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Finding Your API Key

Your Intrinio API key is used to authenticate requests to the Intrinio REST API. Every API request must include your unique API key to verify your account and determine which datasets and endpoints you have access to.

Before You Begin

You'll need:

  • An active Intrinio account (trial or paid)
  • To be signed in to your account

If you don't have an account yet, you can start a 14-day free trial at https://intrinio.com/pricing. During the trial, you'll receive an API key within minutes and can begin testing immediately.

How to Find Your API Key

  1. Sign in to your Intrinio account.
  2. Navigate to the Account page.
  3. Select Access.
  4. Your API Key will be displayed on the page.
  5. Copy the key and use it when making requests to the Intrinio REST API.

Important: Treat your API key like a password. Do not share it publicly or commit it to source control repositories.

Using Your API Key

Most REST API requests authenticate using your API key. Be sure to include it according to the authentication method described in the API documentation.

For complete API documentation, visit:

https://docs.intrinio.com

Verify Your Access

If you're unsure which datasets or endpoints are included with your subscription:

  1. Go to Account → Access or Account → Subscription.
  2. Select one of your included data feeds.
  3. Click View API Documentation.

The documentation will automatically filter to the endpoints associated with that data feed. You can also switch between:

  • My Endpoints – Displays only the endpoints available with your current subscription.
  • All Endpoints – Displays every endpoint available across the Intrinio API.

This is the fastest way to discover the endpoints available with your account.

Using AI to Find the Right Endpoints

If you're using AI coding tools such as ChatGPT, Claude, Cursor, Windsurf, or GitHub Copilot, consider connecting to the Intrinio Financial Data MCP Server.

The MCP server understands your account's subscriptions and can recommend:

  • The datasets you already have access to
  • The appropriate API endpoints for your use case
  • Implementation guidance based on your subscription

Learn more at:

https://intrinio.com/mcp

Troubleshooting

I can't find my API key.

Make sure you're signed in to your Intrinio account and navigate to Account → Access.

My API requests return an authentication error.

Common causes include:

  • An incorrect or incomplete API key
  • A typo when copying the key
  • Using an expired or disabled account
  • Attempting to access data that isn't included with your subscription

I'm using the MCP Server and my API key doesn't work.

This is expected. The Intrinio MCP Server uses OAuth 2.0 for authentication and does not accept your REST API key as a bearer token. Instead, complete the OAuth authentication flow (or use an official MCP SDK) to obtain an OAuth access token before connecting.

Need More Help?

If you're still having trouble locating your API key or authenticating your requests, contact Intrinio Support through your account or visit the Help Center for additional resources.