OpenID Certification The OpenID Foundation enables deployments of OpenID Connect and the Financial-grade API (FAPI) Read/Write Profile to be certified to specific conformance profiles to promote interoperability among implementations. The OpenID Foundation’s certification process utilizes self-certification and conformance test suites developed by the Foundation. Certified implementations can use the “OpenID Certified” certification mark.Learn more about| OpenID Foundation - Helping people assert their identity wherever they choose