# api_key query parameter stops working

Calls to /v0/*, query parameter api_key on Airtable API stopped working on February 1, 2024.

On February 1, 2024, Airtable removed support for authentication using the api_key query parameter across all /v0/* endpoints. Requests that pass tokens through this URL parameter now fail. The change affects any call relying on the legacy query parameter rather than standard header authentication.

## What to use instead

Send a personal access token or an OAuth access token in the Authorization: Bearer header instead of using the api_key URL parameter. Because user API keys no longer work, you must create a personal access token or configure OAuth with the necessary scopes.

User API keys no longer work: someone must create a personal access token or set up OAuth with the right scopes.

- API: Airtable API (api.airtable.com)
- Kind: Endpoint removal
- Announced: January 18, 2023
- Takes effect: February 1, 2024
- Calls after that day: fail
- Calls it hits: `/v0/*`, `query parameter api_key`
- Source: [Announcement](https://airtable.com/developers/web/api/authentication.md)
- Verified: October 26, 2026, against Airtable API's own pages
- Page: https://www.okapi.bot/providers/airtable-api/breaking-changes/api-key-query-parameter-stops-working/

## Airtable API's words

> Passing personal access tokens and OAuth access tokens via the legacy `api_key` URL parameter is not supported.

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent