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Zapier MCP supports three authentication methods. The right one depends on how you are connecting.
MethodWhen to use
Server URLYour client is on the supported list (Claude, Cursor, ChatGPT, and others).
Connection tokenYour client is not on the list, or you are connecting a custom integration.
API keyYou are connecting via the TypeScript or Python SDK.

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Server URL

For most listed clients, Zapier MCP generates a client-specific server URL during setup. The Connect tab on your server walks you through the steps for your client; you do not need to manage credentials manually. Some listed clients require specific configurations to connect to Zapier MCP. Learn how to connect specific AI clients.

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Connection token

If your client is not on the supported list, select Other when creating your server. Zapier MCP generates a connection token you can use to authenticate any MCP-compatible client.
Treat your connection credentials like a password. They can be used to run tools on this server and access your data.

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Generate a token

  1. Go to mcp.zapier.com and select your server.
  2. Select the Connect tab.
  3. Click Generate token. A dialog box will open showing your credentials.
  4. Copy and store your credentials immediately. The token is only shown once.
  5. Check I have saved my credentials, then click Close.
If you close the dialog without saving your token, you will not be able to retrieve the token. You will need to rotate it to get a new one.

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How to connect

When you generate a token, you get two connection options: Option 1: Authorization header (Recommended) Add the following header to your client’s MCP configuration: 
Authorization: Bearer <token>
Connect to: 
https://mcp.zapier.com/api/v1/connect
Option 2: URL with token Use the full server URL with the token included as a query parameter. The dialog box will display the complete URL during setup.

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Rotate a token

If your token is exposed or you need to invalidate the current one:
  1. Go to mcp.zapier.com and select your server.
  2. Select the Connect tab.
  3. Click Rotate token.
  4. Copy and store the new token immediately. It is only visible once.
Rotating immediately invalidates the previous token. Any clients using the old token will stop working until you update their configuration.

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API key

The API key method is available for TypeScript and Python SDK integrations. It is not used for standard AI client connections.
Treat your API key like a password. It can be used to run tools on this server and access your data.

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Generate an API key

  1. Go to mcp.zapier.com and select your server.
  2. Select the Connect tab.
  3. Select TypeScript or Python as your client.
  4. Under Step 1: Get Your API Key, click Generate API Key.
Use the key as a Bearer token in the Authorization header of your SDK requests: 
Authorization: Bearer <YOUR_MCP_API_KEY>
Connect to: 
https://mcp.zapier.com/api/v1/connect

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Next steps

Connect your AI client

Per-client setup guides for Claude, ChatGPT, Cursor, and more.

Your first MCP workflow

End-to-end tutorial for connecting and running your first tool call.