diff --git a/hazelcast/assets/configuration/spec.yaml b/hazelcast/assets/configuration/spec.yaml
index 423c81df944f2..b2d5623d07762 100644
--- a/hazelcast/assets/configuration/spec.yaml
+++ b/hazelcast/assets/configuration/spec.yaml
@@ -6,6 +6,7 @@ files:
     options:
     - template: init_config/jmx
       overrides:
+        is_jmx.required: false
         is_jmx.value.example: false
     - template: init_config/http
   - template: instances
@@ -29,8 +30,10 @@ files:
           In Transition: WARNING
     - template: instances/jmx
       overrides:
+        host.required: false
         host.display_priority: 10
         host.description: Hazelcast or Hazelcast Management Center server with which to connect.
+        port.required: false
         port.display_priority: 9
         port.description: Hazelcast or Hazelcast Management Center port with which to connect.
         port.value.example: 1099
diff --git a/hazelcast/datadog_checks/hazelcast/config_models/__init__.py b/hazelcast/datadog_checks/hazelcast/config_models/__init__.py
new file mode 100644
index 0000000000000..ba42dbdc7ffb0
--- /dev/null
+++ b/hazelcast/datadog_checks/hazelcast/config_models/__init__.py
@@ -0,0 +1,18 @@
+# (C) Datadog, Inc. 2021-present
+# All rights reserved
+# Licensed under a 3-clause BSD style license (see LICENSE)
+from .instance import InstanceConfig
+from .shared import SharedConfig
+
+
+class ConfigMixin:
+    _config_model_instance: InstanceConfig
+    _config_model_shared: SharedConfig
+
+    @property
+    def config(self) -> InstanceConfig:
+        return self._config_model_instance
+
+    @property
+    def shared_config(self) -> SharedConfig:
+        return self._config_model_shared
diff --git a/hazelcast/datadog_checks/hazelcast/config_models/defaults.py b/hazelcast/datadog_checks/hazelcast/config_models/defaults.py
new file mode 100644
index 0000000000000..89ef2d924df3d
--- /dev/null
+++ b/hazelcast/datadog_checks/hazelcast/config_models/defaults.py
@@ -0,0 +1,272 @@
+# (C) Datadog, Inc. 2021-present
+# All rights reserved
+# Licensed under a 3-clause BSD style license (see LICENSE)
+from datadog_checks.base.utils.models.fields import get_default_field_value
+
+
+def shared_collect_default_metrics(field, value):
+    return False
+
+
+def shared_conf(field, value):
+    return get_default_field_value(field, value)
+
+
+def shared_is_jmx(field, value):
+    return False
+
+
+def shared_new_gc_metrics(field, value):
+    return False
+
+
+def shared_proxy(field, value):
+    return get_default_field_value(field, value)
+
+
+def shared_service(field, value):
+    return get_default_field_value(field, value)
+
+
+def shared_service_check_prefix(field, value):
+    return get_default_field_value(field, value)
+
+
+def shared_skip_proxy(field, value):
+    return False
+
+
+def shared_timeout(field, value):
+    return 10
+
+
+def instance_allow_redirects(field, value):
+    return True
+
+
+def instance_auth_token(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_auth_type(field, value):
+    return 'basic'
+
+
+def instance_aws_host(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_aws_region(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_aws_service(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_collect_default_jvm_metrics(field, value):
+    return True
+
+
+def instance_connect_timeout(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_disable_generic_tags(field, value):
+    return False
+
+
+def instance_empty_default_hostname(field, value):
+    return False
+
+
+def instance_extra_headers(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_headers(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_host(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_is_jmx(field, value):
+    return False
+
+
+def instance_java_bin_path(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_java_options(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_jmx_url(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_kerberos_auth(field, value):
+    return 'disabled'
+
+
+def instance_kerberos_cache(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_kerberos_delegate(field, value):
+    return False
+
+
+def instance_kerberos_force_initiate(field, value):
+    return False
+
+
+def instance_kerberos_hostname(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_kerberos_keytab(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_kerberos_principal(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_key_store_password(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_key_store_path(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_log_requests(field, value):
+    return False
+
+
+def instance_mc_cluster_states(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_mc_health_check_endpoint(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_min_collection_interval(field, value):
+    return 15
+
+
+def instance_name(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_ntlm_domain(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_password(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_persist_connections(field, value):
+    return False
+
+
+def instance_port(field, value):
+    return 1099
+
+
+def instance_process_name_regex(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_proxy(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_read_timeout(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_request_size(field, value):
+    return 16
+
+
+def instance_rmi_client_timeout(field, value):
+    return 15000
+
+
+def instance_rmi_connection_timeout(field, value):
+    return 20000
+
+
+def instance_rmi_registry_ssl(field, value):
+    return False
+
+
+def instance_service(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_skip_proxy(field, value):
+    return False
+
+
+def instance_tags(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_timeout(field, value):
+    return 10
+
+
+def instance_tls_ca_cert(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_tls_cert(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_tls_ignore_warning(field, value):
+    return False
+
+
+def instance_tls_private_key(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_tls_use_host_header(field, value):
+    return False
+
+
+def instance_tls_verify(field, value):
+    return True
+
+
+def instance_tools_jar_path(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_trust_store_password(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_trust_store_path(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_use_legacy_auth_encoding(field, value):
+    return True
+
+
+def instance_user(field, value):
+    return get_default_field_value(field, value)
+
+
+def instance_username(field, value):
+    return get_default_field_value(field, value)
diff --git a/hazelcast/datadog_checks/hazelcast/config_models/instance.py b/hazelcast/datadog_checks/hazelcast/config_models/instance.py
new file mode 100644
index 0000000000000..80084e54f2a67
--- /dev/null
+++ b/hazelcast/datadog_checks/hazelcast/config_models/instance.py
@@ -0,0 +1,116 @@
+# (C) Datadog, Inc. 2021-present
+# All rights reserved
+# Licensed under a 3-clause BSD style license (see LICENSE)
+from __future__ import annotations
+
+from typing import Any, Mapping, Optional, Sequence
+
+from pydantic import BaseModel, root_validator, validator
+
+from datadog_checks.base.utils.functions import identity
+from datadog_checks.base.utils.models import validation
+
+from . import defaults, validators
+
+
+class AuthToken(BaseModel):
+    class Config:
+        allow_mutation = False
+
+    reader: Optional[Mapping[str, Any]]
+    writer: Optional[Mapping[str, Any]]
+
+
+class Proxy(BaseModel):
+    class Config:
+        allow_mutation = False
+
+    http: Optional[str]
+    https: Optional[str]
+    no_proxy: Optional[Sequence[str]]
+
+
+class InstanceConfig(BaseModel):
+    class Config:
+        allow_mutation = False
+
+    allow_redirects: Optional[bool]
+    auth_token: Optional[AuthToken]
+    auth_type: Optional[str]
+    aws_host: Optional[str]
+    aws_region: Optional[str]
+    aws_service: Optional[str]
+    collect_default_jvm_metrics: Optional[bool]
+    connect_timeout: Optional[float]
+    disable_generic_tags: Optional[bool]
+    empty_default_hostname: Optional[bool]
+    extra_headers: Optional[Mapping[str, Any]]
+    headers: Optional[Mapping[str, Any]]
+    host: Optional[str]
+    is_jmx: Optional[bool]
+    java_bin_path: Optional[str]
+    java_options: Optional[str]
+    jmx_url: Optional[str]
+    kerberos_auth: Optional[str]
+    kerberos_cache: Optional[str]
+    kerberos_delegate: Optional[bool]
+    kerberos_force_initiate: Optional[bool]
+    kerberos_hostname: Optional[str]
+    kerberos_keytab: Optional[str]
+    kerberos_principal: Optional[str]
+    key_store_password: Optional[str]
+    key_store_path: Optional[str]
+    log_requests: Optional[bool]
+    mc_cluster_states: Optional[Mapping[str, Any]]
+    mc_health_check_endpoint: Optional[str]
+    min_collection_interval: Optional[float]
+    name: Optional[str]
+    ntlm_domain: Optional[str]
+    password: Optional[str]
+    persist_connections: Optional[bool]
+    port: Optional[int]
+    process_name_regex: Optional[str]
+    proxy: Optional[Proxy]
+    read_timeout: Optional[float]
+    request_size: Optional[float]
+    rmi_client_timeout: Optional[float]
+    rmi_connection_timeout: Optional[float]
+    rmi_registry_ssl: Optional[bool]
+    service: Optional[str]
+    skip_proxy: Optional[bool]
+    tags: Optional[Sequence[str]]
+    timeout: Optional[float]
+    tls_ca_cert: Optional[str]
+    tls_cert: Optional[str]
+    tls_ignore_warning: Optional[bool]
+    tls_private_key: Optional[str]
+    tls_use_host_header: Optional[bool]
+    tls_verify: Optional[bool]
+    tools_jar_path: Optional[str]
+    trust_store_password: Optional[str]
+    trust_store_path: Optional[str]
+    use_legacy_auth_encoding: Optional[bool]
+    user: Optional[str]
+    username: Optional[str]
+
+    @root_validator(pre=True)
+    def _initial_validation(cls, values):
+        return validation.core.initialize_config(getattr(validators, 'initialize_instance', identity)(values))
+
+    @validator('*', pre=True, always=True)
+    def _ensure_defaults(cls, v, field):
+        if v is not None or field.required:
+            return v
+
+        return getattr(defaults, f'instance_{field.name}')(field, v)
+
+    @validator('*')
+    def _run_validations(cls, v, field):
+        if not v:
+            return v
+
+        return getattr(validators, f'instance_{field.name}', identity)(v, field=field)
+
+    @root_validator(pre=False)
+    def _final_validation(cls, values):
+        return validation.core.finalize_config(getattr(validators, 'finalize_instance', identity)(values))
diff --git a/hazelcast/datadog_checks/hazelcast/config_models/shared.py b/hazelcast/datadog_checks/hazelcast/config_models/shared.py
new file mode 100644
index 0000000000000..9e61aa822dad9
--- /dev/null
+++ b/hazelcast/datadog_checks/hazelcast/config_models/shared.py
@@ -0,0 +1,59 @@
+# (C) Datadog, Inc. 2021-present
+# All rights reserved
+# Licensed under a 3-clause BSD style license (see LICENSE)
+from __future__ import annotations
+
+from typing import Any, Mapping, Optional, Sequence
+
+from pydantic import BaseModel, root_validator, validator
+
+from datadog_checks.base.utils.functions import identity
+from datadog_checks.base.utils.models import validation
+
+from . import defaults, validators
+
+
+class Proxy(BaseModel):
+    class Config:
+        allow_mutation = False
+
+    http: Optional[str]
+    https: Optional[str]
+    no_proxy: Optional[Sequence[str]]
+
+
+class SharedConfig(BaseModel):
+    class Config:
+        allow_mutation = False
+
+    collect_default_metrics: Optional[bool]
+    conf: Optional[Sequence[Mapping[str, Any]]]
+    is_jmx: Optional[bool]
+    new_gc_metrics: Optional[bool]
+    proxy: Optional[Proxy]
+    service: Optional[str]
+    service_check_prefix: Optional[str]
+    skip_proxy: Optional[bool]
+    timeout: Optional[float]
+
+    @root_validator(pre=True)
+    def _initial_validation(cls, values):
+        return validation.core.initialize_config(getattr(validators, 'initialize_shared', identity)(values))
+
+    @validator('*', pre=True, always=True)
+    def _ensure_defaults(cls, v, field):
+        if v is not None or field.required:
+            return v
+
+        return getattr(defaults, f'shared_{field.name}')(field, v)
+
+    @validator('*')
+    def _run_validations(cls, v, field):
+        if not v:
+            return v
+
+        return getattr(validators, f'shared_{field.name}', identity)(v, field=field)
+
+    @root_validator(pre=False)
+    def _final_validation(cls, values):
+        return validation.core.finalize_config(getattr(validators, 'finalize_shared', identity)(values))
diff --git a/hazelcast/datadog_checks/hazelcast/config_models/validators.py b/hazelcast/datadog_checks/hazelcast/config_models/validators.py
new file mode 100644
index 0000000000000..9d0b0155542cb
--- /dev/null
+++ b/hazelcast/datadog_checks/hazelcast/config_models/validators.py
@@ -0,0 +1,3 @@
+# (C) Datadog, Inc. 2021-present
+# All rights reserved
+# Licensed under a 3-clause BSD style license (see LICENSE)
diff --git a/hazelcast/datadog_checks/hazelcast/data/conf.yaml.example b/hazelcast/datadog_checks/hazelcast/data/conf.yaml.example
index 8d98db1088c13..dbac72de5ba82 100644
--- a/hazelcast/datadog_checks/hazelcast/data/conf.yaml.example
+++ b/hazelcast/datadog_checks/hazelcast/data/conf.yaml.example
@@ -2,10 +2,10 @@
 #
 init_config:
 
-    ## @param is_jmx - boolean - required
+    ## @param is_jmx - boolean - optional - default: false
     ## Whether or not this file is a configuration for a JMX integration.
     #
-    is_jmx: false
+    # is_jmx: false
 
     ## @param collect_default_metrics - boolean - optional - default: false
     ## Whether or not the check should collect all default metrics.
@@ -85,15 +85,16 @@ init_config:
 #
 instances:
 
-    ## @param host - string - required
+  -
+    ## @param host - string - optional
     ## Hazelcast or Hazelcast Management Center server with which to connect.
     #
-  - host: <HOST>
+    # host: <HOST>
 
-    ## @param port - integer - required
+    ## @param port - integer - optional - default: 1099
     ## Hazelcast or Hazelcast Management Center port with which to connect.
     #
-    port: 1099
+    # port: 1099
 
     ## @param mc_health_check_endpoint - string - optional
     ## Hazelcast Management Center health check endpoint with which