diff --git a/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/CommunicationIdentity.json b/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/CommunicationIdentity.json
new file mode 100644
index 000000000000..3a1d05a954ca
--- /dev/null
+++ b/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/CommunicationIdentity.json
@@ -0,0 +1,313 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "CommunicationIdentityClient",
+    "description": "Azure Communication Identity Service",
+    "version": "2021-02-22-preview1"
+  },
+  "paths": {
+    "/identities": {
+      "post": {
+        "tags": [
+          "Identity"
+        ],
+        "summary": "Create a new identity.",
+        "operationId": "CommunicationIdentity_Create",
+        "consumes": [
+          "application/json"
+        ],
+        "produces": [
+          "application/json"
+        ],
+        "parameters": [
+          {
+            "$ref": "#/parameters/ApiVersionParameter"
+          },
+          {
+            "in": "body",
+            "name": "body",
+            "schema": {
+              "$ref": "#/definitions/CommunicationIdentityCreateRequest"
+            }
+          }
+        ],
+        "responses": {
+          "default": {
+            "description": "Error",
+            "schema": {
+              "$ref": "../../../Microsoft.CommunicationServicesCommon/stable/2021-03-07/common.json#/definitions/CommunicationErrorResponse"
+            }
+          },
+          "201": {
+            "description": "Created - Returns the created identity.",
+            "schema": {
+              "$ref": "#/definitions/CommunicationIdentityAccessTokenResult"
+            }
+          }
+        },
+        "x-ms-examples": {
+          "Create an Identity": {
+            "$ref": "./examples/CreateIdentity.json"
+          }
+        }
+      }
+    },
+    "/identities/{id}": {
+      "delete": {
+        "tags": [
+          "Identity"
+        ],
+        "summary": "Delete the identity, revoke all tokens for the identity and delete all associated data.",
+        "operationId": "CommunicationIdentity_Delete",
+        "produces": [
+          "application/json"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "id",
+            "description": "Identifier of the identity to be deleted.",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "$ref": "#/parameters/ApiVersionParameter"
+          }
+        ],
+        "responses": {
+          "default": {
+            "description": "Error",
+            "schema": {
+              "$ref": "../../../Microsoft.CommunicationServicesCommon/stable/2021-03-07/common.json#/definitions/CommunicationErrorResponse"
+            }
+          },
+          "204": {
+            "description": "Success"
+          }
+        },
+        "x-ms-examples": {
+          "Delete an identity": {
+            "$ref": "./examples/DeleteIdentity.json"
+          }
+        }
+      }
+    },
+    "/identities/{id}/:revokeAccessTokens": {
+      "post": {
+        "tags": [
+          "Identity"
+        ],
+        "summary": "Revoke all access tokens for the specific identity.",
+        "operationId": "CommunicationIdentity_RevokeAccessTokens",
+        "produces": [
+          "application/json"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "id",
+            "description": "Identifier of the identity.",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "$ref": "#/parameters/ApiVersionParameter"
+          }
+        ],
+        "responses": {
+          "default": {
+            "description": "Error",
+            "schema": {
+              "$ref": "../../../Microsoft.CommunicationServicesCommon/stable/2021-03-07/common.json#/definitions/CommunicationErrorResponse"
+            }
+          },
+          "204": {
+            "description": "Success"
+          }
+        },
+        "x-ms-examples": {
+          "Revoke access tokens": {
+            "$ref": "./examples/RevokeAccessTokens.json"
+          }
+        }
+      }
+    },
+    "/identities/{id}/:issueAccessToken": {
+      "post": {
+        "tags": [
+          "Token"
+        ],
+        "summary": "Issue a new token for an identity.",
+        "operationId": "CommunicationIdentity_IssueAccessToken",
+        "consumes": [
+          "application/json"
+        ],
+        "produces": [
+          "application/json"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "id",
+            "description": "Identifier of the identity to issue token for.",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "$ref": "#/parameters/ApiVersionParameter"
+          },
+          {
+            "in": "body",
+            "name": "body",
+            "description": "Requesting scopes for the new token.",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/CommunicationIdentityAccessTokenRequest"
+            }
+          }
+        ],
+        "responses": {
+          "default": {
+            "description": "Error",
+            "schema": {
+              "$ref": "../../../Microsoft.CommunicationServicesCommon/stable/2021-03-07/common.json#/definitions/CommunicationErrorResponse"
+            }
+          },
+          "200": {
+            "description": "Success",
+            "schema": {
+              "$ref": "#/definitions/CommunicationIdentityAccessToken"
+            }
+          }
+        },
+        "x-ms-examples": {
+          "Issue an access token": {
+            "$ref": "./examples/IssueAccessToken.json"
+          }
+        }
+      }
+    }
+  },
+  "definitions": {
+    "CommunicationIdentityTokenScope": {
+      "description": "List of scopes for an access token.",
+      "enum": [
+        "chat",
+        "voip"
+      ],
+      "type": "string",
+      "x-ms-enum": {
+        "name": "CommunicationIdentityTokenScope",
+        "modelAsString": true
+      }
+    },
+    "CommunicationIdentityCreateRequest": {
+      "type": "object",
+      "properties": {
+        "createTokenWithScopes": {
+          "description": "Also create access token for the created identity.",
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/CommunicationIdentityTokenScope"
+          }
+        }
+      }
+    },
+    "CommunicationIdentity": {
+      "description": "A communication identity.",
+      "required": [
+        "id"
+      ],
+      "type": "object",
+      "properties": {
+        "id": {
+          "description": "Identifier of the identity.",
+          "type": "string"
+        }
+      }
+    },
+    "CommunicationIdentityAccessToken": {
+      "description": "An access token.",
+      "required": [
+        "expiresOn",
+        "token"
+      ],
+      "type": "object",
+      "properties": {
+        "token": {
+          "description": "The access token issued for the identity.",
+          "type": "string"
+        },
+        "expiresOn": {
+          "format": "date-time",
+          "description": "The expiry time of the token.",
+          "type": "string"
+        }
+      }
+    },
+    "CommunicationIdentityAccessTokenResult": {
+      "description": "A communication identity with access token.",
+      "required": [
+        "identity"
+      ],
+      "type": "object",
+      "properties": {
+        "identity": {
+          "$ref": "#/definitions/CommunicationIdentity"
+        },
+        "accessToken": {
+          "$ref": "#/definitions/CommunicationIdentityAccessToken"
+        }
+      }
+    },
+    "CommunicationIdentityAccessTokenRequest": {
+      "required": [
+        "scopes"
+      ],
+      "type": "object",
+      "properties": {
+        "scopes": {
+          "description": "List of scopes attached to the token.",
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/CommunicationIdentityTokenScope"
+          }
+        }
+      }
+    }
+  },
+  "parameters": {
+    "ApiVersionParameter": {
+      "in": "query",
+      "name": "api-version",
+      "description": "Version of API to invoke.",
+      "required": true,
+      "type": "string"
+    }
+  },
+  "securityDefinitions": {
+    "azure_auth": {
+      "type": "oauth2",
+      "flow": "implicit",
+      "authorizationUrl": "https://login.microsoftonline.com/common/oauth2/authorize",
+      "scopes": {
+        "user_impersonation": "impersonate your user account"
+      }
+    }
+  },
+  "x-ms-parameterized-host": {
+    "hostTemplate": "{endpoint}",
+    "useSchemePrefix": false,
+    "parameters": [
+      {
+        "name": "endpoint",
+        "description": "The communication resource, for example https://my-resource.communication.azure.com",
+        "required": true,
+        "type": "string",
+        "in": "path",
+        "x-ms-skip-url-encoding": true,
+        "x-ms-parameter-location": "client"
+      }
+    ]
+  }
+}
diff --git a/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/examples/CreateIdentity.json b/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/examples/CreateIdentity.json
new file mode 100644
index 000000000000..84fa1a0fbdfb
--- /dev/null
+++ b/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/examples/CreateIdentity.json
@@ -0,0 +1,25 @@
+{
+  "parameters": {
+    "api-version": "2021-03-07",
+    "content-type": "application/json",
+    "endpoint": "https://my-resource.communication.azure.com",
+    "body": {
+      "createTokenWithScopes": [
+        "chat"
+      ]
+    }
+  },
+  "responses": {
+    "201": {
+      "body": {
+        "identity": {
+          "id": "8:acs:2dee53b4-368b-45b4-ab52-8493fb117652_00000005-14a2-493b-8a72-5a3a0d000081"
+        },
+        "accessToken": {
+          "token": "token",
+          "expiresOn": "2020-09-10T21:39:39.3244584+00:00"
+        }
+      }
+    }
+  }
+}
diff --git a/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/examples/DeleteIdentity.json b/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/examples/DeleteIdentity.json
new file mode 100644
index 000000000000..993d441f2f85
--- /dev/null
+++ b/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/examples/DeleteIdentity.json
@@ -0,0 +1,11 @@
+{
+  "parameters": {
+    "api-version": "2021-03-07",
+    "content-type": "application/json",
+    "id": "8:acs:2dee53b4-368b-45b4-ab52-8493fb117652_00000005-14a2-493b-8a72-5a3a0d000081",
+    "endpoint": "https://my-resource.communication.azure.com"
+  },
+  "responses": {
+    "204": {}
+  }
+}
diff --git a/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/examples/IssueAccessToken.json b/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/examples/IssueAccessToken.json
new file mode 100644
index 000000000000..2e65b9f6a994
--- /dev/null
+++ b/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/examples/IssueAccessToken.json
@@ -0,0 +1,21 @@
+{
+  "parameters": {
+    "api-version": "2021-03-07",
+    "content-type": "application/merge-patch+json",
+    "id": "8:acs:2dee53b4-368b-45b4-ab52-8493fb117652_00000005-14a2-493b-8a72-5a3a0d000081",
+    "body": {
+      "scopes": [
+        "chat"
+      ]
+    },
+    "endpoint": "https://my-resource.communication.azure.com"
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "token": "token",
+        "expiresOn": "2020-09-10T21:39:39.3244584+00:00"
+      }
+    }
+  }
+}
diff --git a/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/examples/RevokeAccessTokens.json b/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/examples/RevokeAccessTokens.json
new file mode 100644
index 000000000000..993d441f2f85
--- /dev/null
+++ b/specification/communication/data-plane/Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/examples/RevokeAccessTokens.json
@@ -0,0 +1,11 @@
+{
+  "parameters": {
+    "api-version": "2021-03-07",
+    "content-type": "application/json",
+    "id": "8:acs:2dee53b4-368b-45b4-ab52-8493fb117652_00000005-14a2-493b-8a72-5a3a0d000081",
+    "endpoint": "https://my-resource.communication.azure.com"
+  },
+  "responses": {
+    "204": {}
+  }
+}
diff --git a/specification/communication/data-plane/Microsoft.CommunicationServicesTurn/preview/2021-02-22-preview1/CommunicationTurn.json b/specification/communication/data-plane/Microsoft.CommunicationServicesTurn/preview/2021-02-22-preview1/CommunicationTurn.json
index 98b462771b22..35affa23fbdd 100644
--- a/specification/communication/data-plane/Microsoft.CommunicationServicesTurn/preview/2021-02-22-preview1/CommunicationTurn.json
+++ b/specification/communication/data-plane/Microsoft.CommunicationServicesTurn/preview/2021-02-22-preview1/CommunicationTurn.json
@@ -32,13 +32,13 @@
           "default": {
             "description": "Error",
             "schema": {
-              "$ref": "#/definitions/CommunicationErrorResponse"
+              "$ref": "../../../Microsoft.CommunicationServicesCommon/stable/2021-03-07/common.json#/definitions/CommunicationErrorResponse"
             }
           },
           "200": {
             "description": "Success",
             "schema": {
-              "$ref": "#/definitions/TurnCredentialsResponse"
+              "$ref": "#/definitions/CommunicationTurnCredentialsResponse"
             }
           }
         },
@@ -51,53 +51,7 @@
     }
   },
   "definitions": {
-    "CommunicationError": {
-      "description": "The Communication Services error.",
-      "required": [
-        "code",
-        "message"
-      ],
-      "type": "object",
-      "properties": {
-        "code": {
-          "description": "The error code.",
-          "type": "string"
-        },
-        "message": {
-          "description": "The error message.",
-          "type": "string"
-        },
-        "target": {
-          "description": "The error target.",
-          "type": "string",
-          "readOnly": true
-        },
-        "details": {
-          "description": "Further details about specific errors that led to this error.",
-          "type": "array",
-          "items": {
-            "$ref": "#/definitions/CommunicationError"
-          },
-          "readOnly": true
-        },
-        "innerError": {
-          "$ref": "#/definitions/CommunicationError"
-        }
-      }
-    },
-    "CommunicationErrorResponse": {
-      "description": "The Communication Services error.",
-      "required": [
-        "error"
-      ],
-      "type": "object",
-      "properties": {
-        "error": {
-          "$ref": "#/definitions/CommunicationError"
-        }
-      }
-    },
-    "TurnServer": {
+    "CommunicationTurnServer": {
       "description": "An instance of a TURN server with credentials.",
       "required": [
         "credential",
@@ -120,7 +74,7 @@
         }
       }
     },
-    "TurnCredentialsResponse": {
+    "CommunicationTurnCredentialsResponse": {
       "description": "A TURN credentials response.",
       "required": [
         "expiresOn",
@@ -137,7 +91,7 @@
           "description": "An array representing the credentials and the TURN server URL.",
           "type": "array",
           "items": {
-            "$ref": "#/definitions/TurnServer"
+            "$ref": "#/definitions/CommunicationTurnServer"
           }
         }
       }
diff --git a/specification/communication/data-plane/readme.md b/specification/communication/data-plane/readme.md
index e90b4e6e29b9..932dcabce405 100644
--- a/specification/communication/data-plane/readme.md
+++ b/specification/communication/data-plane/readme.md
@@ -96,6 +96,7 @@ These settings apply only when `--tag=package-2021-02-22-preview1` is specified
 ```yaml $(tag) == 'package-2021-02-22-preview1'
 input-file:
   - Microsoft.CommunicationServicesTurn/preview/2021-02-22-preview1/CommunicationTurn.json
+  - Microsoft.CommunicationServicesIdentity/preview/2021-02-22-preview1/CommunicationIdentity.json
 ```
 
 ### Tag: package-2020-11-19-preview1