API reference
Experience APIs are public contracts. System APIs are the operator surface.
Use Experience (EAPI) when you are integrating: leads, partner webhooks, catalog. Use System (SAPI) when you are operating the platform — or just use the portal, which already calls SAPI.
SAPI reference is Authentik-gated in production. EAPI try-it accepts an API key or a JWT from Authorize.
Experience (EAPI)Published contracts for partners and product consumersSystem (SAPI)Runs, catalog, consumers, reliability — SSO in production
Guides for when to use which layer: API layers.