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# Credential Injection API Key

The Credential Injection API Key policy injects an API key or client credentials headers into outgoing requests.

For configuration details, see [Credential Injection API Key Policy](https://docs.mulesoft.com/gateway/latest/policies-outbound-api-key).

## [](#september-09-2025)September 09, 2025

### What’s New

- Credential Injection API Key policy implementation version 1.0.1 is now supported by Omni Gateway.
- Credential Injection API Key policy definition version 1.0.0 is now supported by Omni Gateway.