PKCE
- PKCE, Proof Key for Code Exchange, binds an authorization code to the client that requested it using a one-time secret.
In short: PKCE, Proof Key for Code Exchange, binds an authorization code to the client that requested it using a one-time secret. OAuth 2.1 requires it for authorization code flows. This entry uses the term the way our gateway datasheets do, and links related terms below.
Related terms
By The Datasheet desk · Reviewed 2026-11-03