We are thrilled to announce the Early Access release of Custom Token Exchange. Enterprise customers can now request access to use this feature.
Token Exchange is an OAuth grant-type that enables the exchange of security tokens for other security tokens, typically access_tokens. Custom Token Exchange provides a flexible solution using Actions that allows customers to provide their custom logic to control the exchange - i.e. effectively providing the means to implement custom authentication semantics using Actions.

This added flexibility can be used by customers to tackle advanced integration use cases, such as:
To learn more, read our documentation.
Reach out to you Auth0 contact to request access!
Fetched April 15, 2026