diff --git a/api/api.gen.go b/api/api.gen.go
index 2898adf..7a61911 100644
--- a/api/api.gen.go
+++ b/api/api.gen.go
@@ -1,6 +1,6 @@
-// sequence-api v0.4.0 24814ebb88457c0545aa80e8388cb0f08ec59bec
+// sequence-api v0.4.0 4a02ceb2c7cde0102368fe22f1435af952c3fc21
 // --
-// Code generated by webrpc-gen@v0.20.3 with golang generator. DO NOT EDIT.
+// Code generated by webrpc-gen@v0.22.0 with golang generator. DO NOT EDIT.
 //
 // webrpc-gen -schema=api.ridl -target=golang -pkg=api -client -out=./clients/api.gen.go
 package api
@@ -14,11 +14,16 @@ import (
 	"io"
 	"net/http"
 	"net/url"
+	"strings"
 	"time"
 
 	"github.com/0xsequence/go-sequence/lib/prototyp"
 )
 
+const WebrpcHeader = "Webrpc"
+
+const WebrpcHeaderValue = "webrpc@v0.22.0;gen-golang@v0.17.0;sequence-api@v0.4.0"
+
 // WebRPC description and code-gen version
 func WebRPCVersion() string {
 	return "v1"
@@ -31,7 +36,58 @@ func WebRPCSchemaVersion() string {
 
 // Schema hash generated from your RIDL schema
 func WebRPCSchemaHash() string {
-	return "24814ebb88457c0545aa80e8388cb0f08ec59bec"
+	return "4a02ceb2c7cde0102368fe22f1435af952c3fc21"
+}
+
+type WebrpcGenVersions struct {
+	WebrpcGenVersion string
+	CodeGenName      string
+	CodeGenVersion   string
+	SchemaName       string
+	SchemaVersion    string
+}
+
+func VersionFromHeader(h http.Header) (*WebrpcGenVersions, error) {
+	if h.Get(WebrpcHeader) == "" {
+		return nil, fmt.Errorf("header is empty or missing")
+	}
+
+	versions, err := parseWebrpcGenVersions(h.Get(WebrpcHeader))
+	if err != nil {
+		return nil, fmt.Errorf("webrpc header is invalid: %w", err)
+	}
+
+	return versions, nil
+}
+
+func parseWebrpcGenVersions(header string) (*WebrpcGenVersions, error) {
+	versions := strings.Split(header, ";")
+	if len(versions) < 3 {
+		return nil, fmt.Errorf("expected at least 3 parts while parsing webrpc header: %v", header)
+	}
+
+	_, webrpcGenVersion, ok := strings.Cut(versions[0], "@")
+	if !ok {
+		return nil, fmt.Errorf("webrpc gen version could not be parsed from: %s", versions[0])
+	}
+
+	tmplTarget, tmplVersion, ok := strings.Cut(versions[1], "@")
+	if !ok {
+		return nil, fmt.Errorf("tmplTarget and tmplVersion could not be parsed from: %s", versions[1])
+	}
+
+	schemaName, schemaVersion, ok := strings.Cut(versions[2], "@")
+	if !ok {
+		return nil, fmt.Errorf("schema name and schema version could not be parsed from: %s", versions[2])
+	}
+
+	return &WebrpcGenVersions{
+		WebrpcGenVersion: webrpcGenVersion,
+		CodeGenName:      tmplTarget,
+		CodeGenVersion:   tmplVersion,
+		SchemaName:       schemaName,
+		SchemaVersion:    schemaVersion,
+	}, nil
 }
 
 //
@@ -669,350 +725,357 @@ type AdoptedChildWallet struct {
 	Address string `json:"address"`
 }
 
-var (
-	methods = map[string]method{
-		"/rpc/API/Ping": {
-			Name:        "Ping",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/Version": {
-			Name:        "Version",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/RuntimeStatus": {
-			Name:        "RuntimeStatus",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/Clock": {
-			Name:        "Clock",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetSequenceContext": {
-			Name:        "GetSequenceContext",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetAuthToken": {
-			Name:        "GetAuthToken",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetAuthToken2": {
-			Name:        "GetAuthToken2",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/SendPasswordlessLink": {
-			Name:        "SendPasswordlessLink",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/RegisterPublicKey": {
-			Name:        "RegisterPublicKey",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetPublicKey": {
-			Name:        "GetPublicKey",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/FriendList": {
-			Name:        "FriendList",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetFriendByAddress": {
-			Name:        "GetFriendByAddress",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/SearchFriends": {
-			Name:        "SearchFriends",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/AddFriend": {
-			Name:        "AddFriend",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/UpdateFriendNickname": {
-			Name:        "UpdateFriendNickname",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/RemoveFriend": {
-			Name:        "RemoveFriend",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/ContractCall": {
-			Name:        "ContractCall",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/DecodeContractCall": {
-			Name:        "DecodeContractCall",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/LookupContractCallSelectors": {
-			Name:        "LookupContractCallSelectors",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/UserStorageFetch": {
-			Name:        "UserStorageFetch",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/UserStorageSave": {
-			Name:        "UserStorageSave",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/UserStorageDelete": {
-			Name:        "UserStorageDelete",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/UserStorageFetchAll": {
-			Name:        "UserStorageFetchAll",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetMoonpayLink": {
-			Name:        "GetMoonpayLink",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/ResolveENSAddress": {
-			Name:        "ResolveENSAddress",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/IsValidSignature": {
-			Name:        "IsValidSignature",
-			Service:     "API",
-			Annotations: map[string]string{"public": ""},
-		},
-		"/rpc/API/IsValidMessageSignature": {
-			Name:        "IsValidMessageSignature",
-			Service:     "API",
-			Annotations: map[string]string{"public": ""},
-		},
-		"/rpc/API/IsValidTypedDataSignature": {
-			Name:        "IsValidTypedDataSignature",
-			Service:     "API",
-			Annotations: map[string]string{"public": ""},
-		},
-		"/rpc/API/IsValidETHAuthProof": {
-			Name:        "IsValidETHAuthProof",
-			Service:     "API",
-			Annotations: map[string]string{"public": ""},
-		},
-		"/rpc/API/SardineGetClientToken": {
-			Name:        "SardineGetClientToken",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/SardineGetNFTCheckoutToken": {
-			Name:        "SardineGetNFTCheckoutToken",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/SardineGetNFTCheckoutOrderStatus": {
-			Name:        "SardineGetNFTCheckoutOrderStatus",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/SardineGetSupportedRegions": {
-			Name:        "SardineGetSupportedRegions",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/SardineGetSupportedFiatCurrencies": {
-			Name:        "SardineGetSupportedFiatCurrencies",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/SardineGetSupportedTokens": {
-			Name:        "SardineGetSupportedTokens",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/SardineGetEnabledTokens": {
-			Name:        "SardineGetEnabledTokens",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/SardineGetQuote": {
-			Name:        "SardineGetQuote",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetSardineClientToken": {
-			Name:        "GetSardineClientToken",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetSardineNFTCheckoutToken": {
-			Name:        "GetSardineNFTCheckoutToken",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetSardineNFTCheckoutOrderStatus": {
-			Name:        "GetSardineNFTCheckoutOrderStatus",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetCoinPrices": {
-			Name:        "GetCoinPrices",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetCollectiblePrices": {
-			Name:        "GetCollectiblePrices",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetExchangeRate": {
-			Name:        "GetExchangeRate",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/MemoryStore": {
-			Name:        "MemoryStore",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/MemoryLoad": {
-			Name:        "MemoryLoad",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetInviteInfo": {
-			Name:        "GetInviteInfo",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/IsValidAccessCode": {
-			Name:        "IsValidAccessCode",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/InternalClaimAccessCode": {
-			Name:        "InternalClaimAccessCode",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/BlockNumberAtTime": {
-			Name:        "BlockNumberAtTime",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/PaperSessionSecret": {
-			Name:        "PaperSessionSecret",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/PaperSessionSecret2": {
-			Name:        "PaperSessionSecret2",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/LinkWallet": {
-			Name:        "LinkWallet",
-			Service:     "API",
-			Annotations: map[string]string{"public": ""},
-		},
-		"/rpc/API/GetLinkedWallets": {
-			Name:        "GetLinkedWallets",
-			Service:     "API",
-			Annotations: map[string]string{"public": ""},
-		},
-		"/rpc/API/RemoveLinkedWallet": {
-			Name:        "RemoveLinkedWallet",
-			Service:     "API",
-			Annotations: map[string]string{"public": ""},
-		},
-		"/rpc/API/GenerateWaaSVerificationURL": {
-			Name:        "GenerateWaaSVerificationURL",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/ValidateWaaSVerificationNonce": {
-			Name:        "ValidateWaaSVerificationNonce",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/ListAdoptedWallets": {
-			Name:        "ListAdoptedWallets",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetSwapPrice": {
-			Name:        "GetSwapPrice",
-			Service:     "API",
-			Annotations: map[string]string{"public": ""},
-		},
-		"/rpc/API/GetSwapPrices": {
-			Name:        "GetSwapPrices",
-			Service:     "API",
-			Annotations: map[string]string{"public": ""},
-		},
-		"/rpc/API/GetSwapQuote": {
-			Name:        "GetSwapQuote",
-			Service:     "API",
-			Annotations: map[string]string{"public": ""},
-		},
-		"/rpc/API/ListCurrencyGroups": {
-			Name:        "ListCurrencyGroups",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/AddOffchainInventory": {
-			Name:        "AddOffchainInventory",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/GetOffchainInventory": {
-			Name:        "GetOffchainInventory",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/ListOffchainInventories": {
-			Name:        "ListOffchainInventories",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/UpdateOffchainInventory": {
-			Name:        "UpdateOffchainInventory",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/DeleteOffchainInventory": {
-			Name:        "DeleteOffchainInventory",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/RequestOffchainPayment": {
-			Name:        "RequestOffchainPayment",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
-		"/rpc/API/ListOffchainPayments": {
-			Name:        "ListOffchainPayments",
-			Service:     "API",
-			Annotations: map[string]string{},
-		},
+var methods = map[string]method{
+	"/rpc/API/Ping": {
+		Name:        "Ping",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/Version": {
+		Name:        "Version",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/RuntimeStatus": {
+		Name:        "RuntimeStatus",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/Clock": {
+		Name:        "Clock",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetSequenceContext": {
+		Name:        "GetSequenceContext",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetAuthToken": {
+		Name:        "GetAuthToken",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetAuthToken2": {
+		Name:        "GetAuthToken2",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/SendPasswordlessLink": {
+		Name:        "SendPasswordlessLink",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/RegisterPublicKey": {
+		Name:        "RegisterPublicKey",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetPublicKey": {
+		Name:        "GetPublicKey",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/FriendList": {
+		Name:        "FriendList",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetFriendByAddress": {
+		Name:        "GetFriendByAddress",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/SearchFriends": {
+		Name:        "SearchFriends",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/AddFriend": {
+		Name:        "AddFriend",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/UpdateFriendNickname": {
+		Name:        "UpdateFriendNickname",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/RemoveFriend": {
+		Name:        "RemoveFriend",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/ContractCall": {
+		Name:        "ContractCall",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/DecodeContractCall": {
+		Name:        "DecodeContractCall",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/LookupContractCallSelectors": {
+		Name:        "LookupContractCallSelectors",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/UserStorageFetch": {
+		Name:        "UserStorageFetch",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/UserStorageSave": {
+		Name:        "UserStorageSave",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/UserStorageDelete": {
+		Name:        "UserStorageDelete",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/UserStorageFetchAll": {
+		Name:        "UserStorageFetchAll",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetMoonpayLink": {
+		Name:        "GetMoonpayLink",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/ResolveENSAddress": {
+		Name:        "ResolveENSAddress",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/IsValidSignature": {
+		Name:        "IsValidSignature",
+		Service:     "API",
+		Annotations: map[string]string{"public": ""},
+	},
+	"/rpc/API/IsValidMessageSignature": {
+		Name:        "IsValidMessageSignature",
+		Service:     "API",
+		Annotations: map[string]string{"public": ""},
+	},
+	"/rpc/API/IsValidTypedDataSignature": {
+		Name:        "IsValidTypedDataSignature",
+		Service:     "API",
+		Annotations: map[string]string{"public": ""},
+	},
+	"/rpc/API/IsValidETHAuthProof": {
+		Name:        "IsValidETHAuthProof",
+		Service:     "API",
+		Annotations: map[string]string{"public": ""},
+	},
+	"/rpc/API/SardineGetClientToken": {
+		Name:        "SardineGetClientToken",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/SardineGetNFTCheckoutToken": {
+		Name:        "SardineGetNFTCheckoutToken",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/SardineGetNFTCheckoutOrderStatus": {
+		Name:        "SardineGetNFTCheckoutOrderStatus",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/SardineGetSupportedRegions": {
+		Name:        "SardineGetSupportedRegions",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/SardineGetSupportedFiatCurrencies": {
+		Name:        "SardineGetSupportedFiatCurrencies",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/SardineGetSupportedTokens": {
+		Name:        "SardineGetSupportedTokens",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/SardineGetEnabledTokens": {
+		Name:        "SardineGetEnabledTokens",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/SardineGetQuote": {
+		Name:        "SardineGetQuote",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetSardineClientToken": {
+		Name:        "GetSardineClientToken",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetSardineNFTCheckoutToken": {
+		Name:        "GetSardineNFTCheckoutToken",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetSardineNFTCheckoutOrderStatus": {
+		Name:        "GetSardineNFTCheckoutOrderStatus",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetCoinPrices": {
+		Name:        "GetCoinPrices",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetCollectiblePrices": {
+		Name:        "GetCollectiblePrices",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetExchangeRate": {
+		Name:        "GetExchangeRate",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/MemoryStore": {
+		Name:        "MemoryStore",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/MemoryLoad": {
+		Name:        "MemoryLoad",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetInviteInfo": {
+		Name:        "GetInviteInfo",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/IsValidAccessCode": {
+		Name:        "IsValidAccessCode",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/InternalClaimAccessCode": {
+		Name:        "InternalClaimAccessCode",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/BlockNumberAtTime": {
+		Name:        "BlockNumberAtTime",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/PaperSessionSecret": {
+		Name:        "PaperSessionSecret",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/PaperSessionSecret2": {
+		Name:        "PaperSessionSecret2",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/LinkWallet": {
+		Name:        "LinkWallet",
+		Service:     "API",
+		Annotations: map[string]string{"public": ""},
+	},
+	"/rpc/API/GetLinkedWallets": {
+		Name:        "GetLinkedWallets",
+		Service:     "API",
+		Annotations: map[string]string{"public": ""},
+	},
+	"/rpc/API/RemoveLinkedWallet": {
+		Name:        "RemoveLinkedWallet",
+		Service:     "API",
+		Annotations: map[string]string{"public": ""},
+	},
+	"/rpc/API/GenerateWaaSVerificationURL": {
+		Name:        "GenerateWaaSVerificationURL",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/ValidateWaaSVerificationNonce": {
+		Name:        "ValidateWaaSVerificationNonce",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/ListAdoptedWallets": {
+		Name:        "ListAdoptedWallets",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetSwapPrice": {
+		Name:        "GetSwapPrice",
+		Service:     "API",
+		Annotations: map[string]string{"public": ""},
+	},
+	"/rpc/API/GetSwapPrices": {
+		Name:        "GetSwapPrices",
+		Service:     "API",
+		Annotations: map[string]string{"public": ""},
+	},
+	"/rpc/API/GetSwapQuote": {
+		Name:        "GetSwapQuote",
+		Service:     "API",
+		Annotations: map[string]string{"public": ""},
+	},
+	"/rpc/API/ListCurrencyGroups": {
+		Name:        "ListCurrencyGroups",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/AddOffchainInventory": {
+		Name:        "AddOffchainInventory",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/GetOffchainInventory": {
+		Name:        "GetOffchainInventory",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/ListOffchainInventories": {
+		Name:        "ListOffchainInventories",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/UpdateOffchainInventory": {
+		Name:        "UpdateOffchainInventory",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/DeleteOffchainInventory": {
+		Name:        "DeleteOffchainInventory",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/RequestOffchainPayment": {
+		Name:        "RequestOffchainPayment",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+	"/rpc/API/ListOffchainPayments": {
+		Name:        "ListOffchainPayments",
+		Service:     "API",
+		Annotations: map[string]string{},
+	},
+}
+
+func WebrpcMethods() map[string]method {
+	res := make(map[string]method, len(methods))
+	for k, v := range methods {
+		res[k] = v
 	}
-)
+
+	return res
+}
 
 var WebRPCServices = map[string][]string{
 	"API": {
@@ -1451,7 +1514,7 @@ func (c *aPIClient) Ping(ctx context.Context) (bool, error) {
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1467,7 +1530,7 @@ func (c *aPIClient) Version(ctx context.Context) (*Version, error) {
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1483,7 +1546,7 @@ func (c *aPIClient) RuntimeStatus(ctx context.Context) (*RuntimeStatus, error) {
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1499,7 +1562,7 @@ func (c *aPIClient) Clock(ctx context.Context) (time.Time, error) {
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1515,7 +1578,7 @@ func (c *aPIClient) GetSequenceContext(ctx context.Context) (*SequenceContext, e
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1538,7 +1601,7 @@ func (c *aPIClient) GetAuthToken(ctx context.Context, ewtString string, testnetM
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1561,7 +1624,7 @@ func (c *aPIClient) GetAuthToken2(ctx context.Context, ewtString string, chainID
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1582,7 +1645,7 @@ func (c *aPIClient) SendPasswordlessLink(ctx context.Context, email string, redi
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1601,7 +1664,7 @@ func (c *aPIClient) RegisterPublicKey(ctx context.Context, publicKey *PublicKey)
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1620,7 +1683,7 @@ func (c *aPIClient) GetPublicKey(ctx context.Context, id string) (*PublicKey, er
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1641,7 +1704,7 @@ func (c *aPIClient) FriendList(ctx context.Context, nickname *string, page *Page
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1661,7 +1724,7 @@ func (c *aPIClient) GetFriendByAddress(ctx context.Context, friendAddress string
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1681,7 +1744,7 @@ func (c *aPIClient) SearchFriends(ctx context.Context, filterUsername string, pa
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1702,7 +1765,7 @@ func (c *aPIClient) AddFriend(ctx context.Context, friendAddress string, optiona
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1723,7 +1786,7 @@ func (c *aPIClient) UpdateFriendNickname(ctx context.Context, friendAddress stri
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1742,7 +1805,7 @@ func (c *aPIClient) RemoveFriend(ctx context.Context, friendAddress string) (boo
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1765,7 +1828,7 @@ func (c *aPIClient) ContractCall(ctx context.Context, chainID string, contract s
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1784,7 +1847,7 @@ func (c *aPIClient) DecodeContractCall(ctx context.Context, callData string) (*C
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1803,7 +1866,7 @@ func (c *aPIClient) LookupContractCallSelectors(ctx context.Context, selectors [
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1822,7 +1885,7 @@ func (c *aPIClient) UserStorageFetch(ctx context.Context, key string) (interface
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1842,7 +1905,7 @@ func (c *aPIClient) UserStorageSave(ctx context.Context, key string, object inte
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1861,7 +1924,7 @@ func (c *aPIClient) UserStorageDelete(ctx context.Context, key string) (bool, er
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1880,7 +1943,7 @@ func (c *aPIClient) UserStorageFetchAll(ctx context.Context, keys []string) (map
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1899,7 +1962,7 @@ func (c *aPIClient) GetMoonpayLink(ctx context.Context, url string) (string, err
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1919,7 +1982,7 @@ func (c *aPIClient) ResolveENSAddress(ctx context.Context, ens string) (string,
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1941,7 +2004,7 @@ func (c *aPIClient) IsValidSignature(ctx context.Context, chainId string, wallet
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1963,7 +2026,7 @@ func (c *aPIClient) IsValidMessageSignature(ctx context.Context, chainId string,
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -1985,7 +2048,7 @@ func (c *aPIClient) IsValidTypedDataSignature(ctx context.Context, chainId strin
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2006,7 +2069,7 @@ func (c *aPIClient) IsValidETHAuthProof(ctx context.Context, chainId string, wal
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2022,7 +2085,7 @@ func (c *aPIClient) SardineGetClientToken(ctx context.Context) (string, error) {
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2041,7 +2104,7 @@ func (c *aPIClient) SardineGetNFTCheckoutToken(ctx context.Context, params *Sard
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2060,7 +2123,7 @@ func (c *aPIClient) SardineGetNFTCheckoutOrderStatus(ctx context.Context, orderI
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2076,7 +2139,7 @@ func (c *aPIClient) SardineGetSupportedRegions(ctx context.Context) ([]*SardineR
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2092,7 +2155,7 @@ func (c *aPIClient) SardineGetSupportedFiatCurrencies(ctx context.Context) ([]*S
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2108,7 +2171,7 @@ func (c *aPIClient) SardineGetSupportedTokens(ctx context.Context) ([]*SardineSu
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2124,7 +2187,7 @@ func (c *aPIClient) SardineGetEnabledTokens(ctx context.Context) ([]*SardineEnab
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2143,7 +2206,7 @@ func (c *aPIClient) SardineGetQuote(ctx context.Context, params *SardineGetQuote
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2159,7 +2222,7 @@ func (c *aPIClient) GetSardineClientToken(ctx context.Context) (string, error) {
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2178,7 +2241,7 @@ func (c *aPIClient) GetSardineNFTCheckoutToken(ctx context.Context, params *Sard
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2197,7 +2260,7 @@ func (c *aPIClient) GetSardineNFTCheckoutOrderStatus(ctx context.Context, orderI
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2216,7 +2279,7 @@ func (c *aPIClient) GetCoinPrices(ctx context.Context, tokens []*Token) ([]*Toke
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2235,7 +2298,7 @@ func (c *aPIClient) GetCollectiblePrices(ctx context.Context, tokens []*Token) (
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2254,7 +2317,7 @@ func (c *aPIClient) GetExchangeRate(ctx context.Context, toCurrency string) (*Ex
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2274,7 +2337,7 @@ func (c *aPIClient) MemoryStore(ctx context.Context, key string, value string) (
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2293,7 +2356,7 @@ func (c *aPIClient) MemoryLoad(ctx context.Context, key string) (string, error)
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2309,7 +2372,7 @@ func (c *aPIClient) GetInviteInfo(ctx context.Context) (*InviteInfo, error) {
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2328,7 +2391,7 @@ func (c *aPIClient) IsValidAccessCode(ctx context.Context, accessCode string) (b
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2348,7 +2411,7 @@ func (c *aPIClient) InternalClaimAccessCode(ctx context.Context, address string,
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2368,7 +2431,7 @@ func (c *aPIClient) BlockNumberAtTime(ctx context.Context, chainId uint64, times
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2390,7 +2453,7 @@ func (c *aPIClient) PaperSessionSecret(ctx context.Context, chainName string, co
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2412,7 +2475,7 @@ func (c *aPIClient) PaperSessionSecret2(ctx context.Context, chainName string, c
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2438,7 +2501,7 @@ func (c *aPIClient) LinkWallet(ctx context.Context, parentWalletAddress string,
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2460,7 +2523,7 @@ func (c *aPIClient) GetLinkedWallets(ctx context.Context, parentWalletAddress st
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2483,7 +2546,7 @@ func (c *aPIClient) RemoveLinkedWallet(ctx context.Context, parentWalletAddress
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2503,7 +2566,7 @@ func (c *aPIClient) GenerateWaaSVerificationURL(ctx context.Context, walletAddre
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2525,7 +2588,7 @@ func (c *aPIClient) ValidateWaaSVerificationNonce(ctx context.Context, nonce str
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2545,7 +2608,7 @@ func (c *aPIClient) ListAdoptedWallets(ctx context.Context, page *Page) (*Page,
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2568,7 +2631,7 @@ func (c *aPIClient) GetSwapPrice(ctx context.Context, buyCurrencyAddress string,
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2591,7 +2654,7 @@ func (c *aPIClient) GetSwapPrices(ctx context.Context, userAddress string, buyCu
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2616,7 +2679,7 @@ func (c *aPIClient) GetSwapQuote(ctx context.Context, userAddress string, buyCur
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2632,7 +2695,7 @@ func (c *aPIClient) ListCurrencyGroups(ctx context.Context) ([]*CurrencyGroup, e
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2651,7 +2714,7 @@ func (c *aPIClient) AddOffchainInventory(ctx context.Context, inventory *Offchai
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2670,7 +2733,7 @@ func (c *aPIClient) GetOffchainInventory(ctx context.Context, inventoryId uint64
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2689,7 +2752,7 @@ func (c *aPIClient) ListOffchainInventories(ctx context.Context, projectId uint6
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2705,7 +2768,7 @@ func (c *aPIClient) UpdateOffchainInventory(ctx context.Context, inventory *Offc
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2724,7 +2787,7 @@ func (c *aPIClient) DeleteOffchainInventory(ctx context.Context, inventoryId uin
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2746,7 +2809,7 @@ func (c *aPIClient) RequestOffchainPayment(ctx context.Context, inventoryId uint
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2767,7 +2830,7 @@ func (c *aPIClient) ListOffchainPayments(ctx context.Context, inventoryId uint64
 	if resp != nil {
 		cerr := resp.Body.Close()
 		if err == nil && cerr != nil {
-			err = ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to close response body: %w", cerr))
+			err = ErrWebrpcRequestFailed.WithCausef("failed to close response body: %w", cerr)
 		}
 	}
 
@@ -2804,6 +2867,7 @@ func newRequest(ctx context.Context, url string, reqBody io.Reader, contentType
 	}
 	req.Header.Set("Accept", contentType)
 	req.Header.Set("Content-Type", contentType)
+	req.Header.Set(WebrpcHeader, WebrpcHeaderValue)
 	if headers, ok := HTTPRequestHeaders(ctx); ok {
 		for k := range headers {
 			for _, v := range headers[k] {
@@ -2818,15 +2882,15 @@ func newRequest(ctx context.Context, url string, reqBody io.Reader, contentType
 func doHTTPRequest(ctx context.Context, client HTTPClient, url string, in, out interface{}) (*http.Response, error) {
 	reqBody, err := json.Marshal(in)
 	if err != nil {
-		return nil, ErrWebrpcRequestFailed.WithCause(fmt.Errorf("failed to marshal JSON body: %w", err))
+		return nil, ErrWebrpcRequestFailed.WithCausef("failed to marshal JSON body: %w", err)
 	}
 	if err = ctx.Err(); err != nil {
-		return nil, ErrWebrpcRequestFailed.WithCause(fmt.Errorf("aborted because context was done: %w", err))
+		return nil, ErrWebrpcRequestFailed.WithCausef("aborted because context was done: %w", err)
 	}
 
 	req, err := newRequest(ctx, url, bytes.NewBuffer(reqBody), "application/json")
 	if err != nil {
-		return nil, ErrWebrpcRequestFailed.WithCause(fmt.Errorf("could not build request: %w", err))
+		return nil, ErrWebrpcRequestFailed.WithCausef("could not build request: %w", err)
 	}
 
 	resp, err := client.Do(req)
@@ -2837,12 +2901,12 @@ func doHTTPRequest(ctx context.Context, client HTTPClient, url string, in, out i
 	if resp.StatusCode != 200 {
 		respBody, err := io.ReadAll(resp.Body)
 		if err != nil {
-			return nil, ErrWebrpcBadResponse.WithCause(fmt.Errorf("failed to read server error response body: %w", err))
+			return nil, ErrWebrpcBadResponse.WithCausef("failed to read server error response body: %w", err)
 		}
 
 		var rpcErr WebRPCError
 		if err := json.Unmarshal(respBody, &rpcErr); err != nil {
-			return nil, ErrWebrpcBadResponse.WithCause(fmt.Errorf("failed to unmarshal server error: %w", err))
+			return nil, ErrWebrpcBadResponse.WithCausef("failed to unmarshal server error: %w", err)
 		}
 		if rpcErr.Cause != "" {
 			rpcErr.cause = errors.New(rpcErr.Cause)
@@ -2853,12 +2917,12 @@ func doHTTPRequest(ctx context.Context, client HTTPClient, url string, in, out i
 	if out != nil {
 		respBody, err := io.ReadAll(resp.Body)
 		if err != nil {
-			return nil, ErrWebrpcBadResponse.WithCause(fmt.Errorf("failed to read response body: %w", err))
+			return nil, ErrWebrpcBadResponse.WithCausef("failed to read response body: %w", err)
 		}
 
 		err = json.Unmarshal(respBody, &out)
 		if err != nil {
-			return nil, ErrWebrpcBadResponse.WithCause(fmt.Errorf("failed to unmarshal JSON response body: %w", err))
+			return nil, ErrWebrpcBadResponse.WithCausef("failed to unmarshal JSON response body: %w", err)
 		}
 	}
 
@@ -3020,13 +3084,28 @@ var (
 
 // Schema errors
 var (
-	ErrUnauthorized     = WebRPCError{Code: 1000, Name: "Unauthorized", Message: "Unauthorized access", HTTPStatus: 401}
-	ErrPermissionDenied = WebRPCError{Code: 1001, Name: "PermissionDenied", Message: "Permission denied", HTTPStatus: 403}
-	ErrSessionExpired   = WebRPCError{Code: 1002, Name: "SessionExpired", Message: "Session expired", HTTPStatus: 403}
-	ErrAborted          = WebRPCError{Code: 1005, Name: "Aborted", Message: "Request aborted", HTTPStatus: 400}
-	ErrGeoblocked       = WebRPCError{Code: 1006, Name: "Geoblocked", Message: "Geoblocked region", HTTPStatus: 451}
-	ErrInvalidArgument  = WebRPCError{Code: 2000, Name: "InvalidArgument", Message: "Invalid argument", HTTPStatus: 400}
-	ErrUnavailable      = WebRPCError{Code: 2002, Name: "Unavailable", Message: "Unavailable resource", HTTPStatus: 400}
-	ErrQueryFailed      = WebRPCError{Code: 2003, Name: "QueryFailed", Message: "Query failed", HTTPStatus: 400}
-	ErrNotFound         = WebRPCError{Code: 3000, Name: "NotFound", Message: "Resource not found", HTTPStatus: 400}
+	ErrUnauthorized      = WebRPCError{Code: 1000, Name: "Unauthorized", Message: "Unauthorized access", HTTPStatus: 401}
+	ErrPermissionDenied  = WebRPCError{Code: 1001, Name: "PermissionDenied", Message: "Permission denied", HTTPStatus: 403}
+	ErrSessionExpired    = WebRPCError{Code: 1002, Name: "SessionExpired", Message: "Session expired", HTTPStatus: 403}
+	ErrMethodNotFound    = WebRPCError{Code: 1003, Name: "MethodNotFound", Message: "Method not found", HTTPStatus: 404}
+	ErrRequestConflict   = WebRPCError{Code: 1004, Name: "RequestConflict", Message: "Conflict with target resource", HTTPStatus: 409}
+	ErrAborted           = WebRPCError{Code: 1005, Name: "Aborted", Message: "Request aborted", HTTPStatus: 400}
+	ErrGeoblocked        = WebRPCError{Code: 1006, Name: "Geoblocked", Message: "Geoblocked region", HTTPStatus: 451}
+	ErrRateLimited       = WebRPCError{Code: 1007, Name: "RateLimited", Message: "Rate-limited. Please slow down.", HTTPStatus: 429}
+	ErrProjectNotFound   = WebRPCError{Code: 1008, Name: "ProjectNotFound", Message: "Project not found", HTTPStatus: 401}
+	ErrAccessKeyNotFound = WebRPCError{Code: 1101, Name: "AccessKeyNotFound", Message: "Access key not found", HTTPStatus: 401}
+	ErrAccessKeyMismatch = WebRPCError{Code: 1102, Name: "AccessKeyMismatch", Message: "Access key mismatch", HTTPStatus: 409}
+	ErrInvalidOrigin     = WebRPCError{Code: 1103, Name: "InvalidOrigin", Message: "Invalid origin for Access Key", HTTPStatus: 403}
+	ErrInvalidService    = WebRPCError{Code: 1104, Name: "InvalidService", Message: "Service not enabled for Access key", HTTPStatus: 403}
+	ErrUnauthorizedUser  = WebRPCError{Code: 1105, Name: "UnauthorizedUser", Message: "Unauthorized user", HTTPStatus: 403}
+	ErrQuotaExceeded     = WebRPCError{Code: 1200, Name: "QuotaExceeded", Message: "Quota request exceeded", HTTPStatus: 429}
+	ErrQuotaRateLimit    = WebRPCError{Code: 1201, Name: "QuotaRateLimit", Message: "Quota rate limit exceeded", HTTPStatus: 429}
+	ErrNoDefaultKey      = WebRPCError{Code: 1300, Name: "NoDefaultKey", Message: "No default access key found", HTTPStatus: 403}
+	ErrMaxAccessKeys     = WebRPCError{Code: 1301, Name: "MaxAccessKeys", Message: "Access keys limit reached", HTTPStatus: 403}
+	ErrAtLeastOneKey     = WebRPCError{Code: 1302, Name: "AtLeastOneKey", Message: "You need at least one Access Key", HTTPStatus: 403}
+	ErrTimeout           = WebRPCError{Code: 1900, Name: "Timeout", Message: "Request timed out", HTTPStatus: 408}
+	ErrInvalidArgument   = WebRPCError{Code: 2000, Name: "InvalidArgument", Message: "Invalid argument", HTTPStatus: 400}
+	ErrUnavailable       = WebRPCError{Code: 2002, Name: "Unavailable", Message: "Unavailable resource", HTTPStatus: 400}
+	ErrQueryFailed       = WebRPCError{Code: 2003, Name: "QueryFailed", Message: "Query failed", HTTPStatus: 400}
+	ErrNotFound          = WebRPCError{Code: 3000, Name: "NotFound", Message: "Resource not found", HTTPStatus: 400}
 )