diff --git a/destination/destination.go b/destination/destination.go
index 309376e..37534f9 100644
--- a/destination/destination.go
+++ b/destination/destination.go
@@ -51,12 +51,34 @@ type config struct {
 }
 
 func NewDestination() sdk.Destination {
-	return &Destination{
+	d := &Destination{
 		stmtBuilder: sq.StatementBuilder.PlaceholderFormat(sq.Dollar),
 	}
+	return sdk.DestinationWithMiddleware(d, sdk.DefaultDestinationMiddleware()...)
+}
+
+func (d *Destination) Parameters() map[string]sdk.Parameter {
+	return map[string]sdk.Parameter{
+		ConfigURL: {
+			Default:     "",
+			Required:    true,
+			Description: "Connection string for the Postgres database.",
+		},
+		ConfigTable: {
+			Default:     "",
+			Required:    false,
+			Description: "The name of the table in Postgres that the connector should write to.",
+		},
+		ConfigKey: {
+			Default:     "",
+			Required:    false,
+			Description: "Column name used to detect if the target table already contains the record.",
+		},
+	}
 }
 
 func (d *Destination) Configure(ctx context.Context, cfg map[string]string) error {
+	// TODO validate required fields
 	d.config = config{
 		url:           cfg[ConfigURL],
 		tableName:     cfg[ConfigTable],
@@ -76,17 +98,20 @@ func (d *Destination) Open(ctx context.Context) error {
 
 // Write routes incoming records to their appropriate handler based on the
 // operation.
-func (d *Destination) Write(ctx context.Context, r sdk.Record) error {
-	return sdk.Util.Destination.Route(ctx, r,
-		d.handleInsert,
-		d.handleUpdate,
-		d.handleDelete,
-		d.handleInsert,
-	)
-}
-
-func (d *Destination) Flush(context.Context) error {
-	return nil
+func (d *Destination) Write(ctx context.Context, recs []sdk.Record) (int, error) {
+	for i, r := range recs {
+		// TODO send all queries to postgres in one round-trip
+		err := sdk.Util.Destination.Route(ctx, r,
+			d.handleInsert,
+			d.handleUpdate,
+			d.handleDelete,
+			d.handleInsert,
+		)
+		if err != nil {
+			return i, err
+		}
+	}
+	return len(recs), nil
 }
 
 func (d *Destination) Teardown(ctx context.Context) error {
diff --git a/destination/destination_test.go b/destination/destination_test.go
index ab93fa0..ac532a1 100644
--- a/destination/destination_test.go
+++ b/destination/destination_test.go
@@ -119,8 +119,9 @@ func TestDestination_Write(t *testing.T) {
 			is = is.New(t)
 			id := tt.record.Key.(sdk.StructuredData)["id"]
 
-			err = d.Write(ctx, tt.record)
+			i, err := d.Write(ctx, []sdk.Record{tt.record})
 			is.NoErr(err)
+			is.Equal(i, 1)
 
 			got, err := queryTestTable(ctx, conn, tableName, id)
 			switch tt.record.Operation {
diff --git a/go.mod b/go.mod
index c2d826c..3dba053 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.18
 
 require (
 	github.com/Masterminds/squirrel v1.5.3
-	github.com/conduitio/conduit-connector-sdk v0.2.1-0.20220803121801-c861a0fb207c
+	github.com/conduitio/conduit-connector-sdk v0.2.1-0.20220823112121-47067cda967a
 	github.com/jackc/pgconn v1.13.0
 	github.com/jackc/pglogrepl v0.0.0-20220305000529-420b8467887a
 	github.com/jackc/pgproto3/v2 v2.3.1
@@ -43,6 +43,7 @@ require (
 	golang.org/x/net v0.0.0-20220403103023-749bd193bc2b // indirect
 	golang.org/x/sys v0.0.0-20220405052023-b1e9470b6e64 // indirect
 	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20220722155302-e5dcc9cfc0b9 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/genproto v0.0.0-20220401170504-314d38edb7de // indirect
 	google.golang.org/grpc v1.45.0 // indirect
diff --git a/go.sum b/go.sum
index 4386e0a..d0f05ee 100644
--- a/go.sum
+++ b/go.sum
@@ -18,8 +18,8 @@ github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I
 github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
 github.com/conduitio/conduit-connector-protocol v0.2.1-0.20220802135043-4b89a6c94401 h1:YXw/DQ8j1RjyqLxoWE5MV1s6V6soWolxnzUpIDg4bEY=
 github.com/conduitio/conduit-connector-protocol v0.2.1-0.20220802135043-4b89a6c94401/go.mod h1:jynMd6Kuc7xUABrvYTUrOBuTYAtoQsZ7T6tAB9xAWOo=
-github.com/conduitio/conduit-connector-sdk v0.2.1-0.20220803121801-c861a0fb207c h1:hINPPA0bEJ/MkfQcM/HdVLcD+lqD8bpq3mLPeGsi/1s=
-github.com/conduitio/conduit-connector-sdk v0.2.1-0.20220803121801-c861a0fb207c/go.mod h1:+68a3+2KGaPTvTL+4UFcE2H0Gk29fg9LJb3fVcjdoRU=
+github.com/conduitio/conduit-connector-sdk v0.2.1-0.20220823112121-47067cda967a h1:VqjfPhBIBb4cTT5ylyeZ2D8YdyOiG2aNToD2ZH/hYIo=
+github.com/conduitio/conduit-connector-sdk v0.2.1-0.20220823112121-47067cda967a/go.mod h1:9+76jHp4YiO+1iu5Iaudyh830K73icqGOE6w7bqZaAs=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
@@ -311,6 +311,8 @@ golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/time v0.0.0-20220722155302-e5dcc9cfc0b9 h1:ftMN5LMiBFjbzleLqtoBZk7KdJwhuybIU+FckUHgoyQ=
+golang.org/x/time v0.0.0-20220722155302-e5dcc9cfc0b9/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
diff --git a/source/source.go b/source/source.go
index a5151e8..8f664bc 100644
--- a/source/source.go
+++ b/source/source.go
@@ -39,7 +39,52 @@ type Source struct {
 }
 
 func NewSource() sdk.Source {
-	return &Source{}
+	return sdk.SourceWithMiddleware(&Source{}, sdk.DefaultSourceMiddleware()...)
+}
+
+func (s *Source) Parameters() map[string]sdk.Parameter {
+	return map[string]sdk.Parameter{
+		ConfigKeyURL: {
+			Default:     "",
+			Required:    true,
+			Description: "Connection string for the Postgres database.",
+		},
+		ConfigKeyTable: {
+			Default:     "",
+			Required:    true,
+			Description: "The name of the table in Postgres that the connector should read.",
+		},
+		ConfigKeyColumns: {
+			Default:     "",
+			Required:    false,
+			Description: "Comma separated list of column names that should be included in each Record's payload.",
+		},
+		ConfigKeyKey: {
+			Default:     "",
+			Required:    false,
+			Description: "Column name that records should use for their `Key` fields.",
+		},
+		ConfigKeySnapshotMode: {
+			Default:     "initial",
+			Required:    false,
+			Description: "Whether or not the plugin will take a snapshot of the entire table before starting cdc mode (allowed values: `initial` or `never`).",
+		},
+		ConfigKeyCDCMode: {
+			Default:     "auto",
+			Required:    false,
+			Description: "Determines the CDC mode (allowed values: `auto`, `logrepl` or `long_polling`).",
+		},
+		ConfigKeyLogreplPublicationName: {
+			Default:     "conduitpub",
+			Required:    false,
+			Description: "Name of the publication to listen for WAL events.",
+		},
+		ConfigKeyLogreplSlotName: {
+			Default:     "conduitslot",
+			Required:    false,
+			Description: "Name of the slot opened for replication events.",
+		},
+	}
 }
 
 func (s *Source) Configure(ctx context.Context, cfgRaw map[string]string) error {
diff --git a/spec.go b/spec.go
index e61c03a..51d53ee 100644
--- a/spec.go
+++ b/spec.go
@@ -24,64 +24,5 @@ func Specification() sdk.Specification {
 		Summary: "A PostgreSQL source and destination plugin for Conduit.",
 		Version: "v0.1.0",
 		Author:  "Meroxa, Inc.",
-		DestinationParams: map[string]sdk.Parameter{
-			"url": {
-				Default:     "",
-				Required:    true,
-				Description: "Connection string for the Postgres database.",
-			},
-			"table": {
-				Default:     "",
-				Required:    false,
-				Description: "The name of the table in Postgres that the connector should write to.",
-			},
-			"key": {
-				Default:     "",
-				Required:    false,
-				Description: "Column name used to detect if the target table already contains the record.",
-			},
-		},
-		SourceParams: map[string]sdk.Parameter{
-			"url": {
-				Default:     "",
-				Required:    true,
-				Description: "Connection string for the Postgres database.",
-			},
-			"table": {
-				Default:     "",
-				Required:    true,
-				Description: "The name of the table in Postgres that the connector should read.",
-			},
-			"columns": {
-				Default:     "",
-				Required:    false,
-				Description: "Comma separated list of column names that should be included in each Record's payload.",
-			},
-			"key": {
-				Default:     "",
-				Required:    false,
-				Description: "Column name that records should use for their `Key` fields.",
-			},
-			"snapshotMode": {
-				Default:     "initial",
-				Required:    false,
-				Description: "Whether or not the plugin will take a snapshot of the entire table before starting cdc mode (allowed values: `initial` or `never`).",
-			},
-			"cdcMode": {
-				Default:     "auto",
-				Required:    false,
-				Description: "Determines the CDC mode (allowed values: `auto`, `logrepl` or `long_polling`).",
-			},
-			"logrepl.publicationName": {
-				Default:     "conduitpub",
-				Required:    false,
-				Description: "Name of the publication to listen for WAL events.",
-			},
-			"logrepl.slotName": {
-				Default:     "conduitslot",
-				Required:    false,
-				Description: "Name of the slot opened for replication events.",
-			},
-		},
 	}
 }