Protocol reference
These pages give the exact wire shape for each mechanism in version 1 of the OID4Pay protocol, one page per mechanism, each with a worked example. An implementation that matches these shapes interoperates with the rest of the network. For the consolidated wire reference, see the spec.
| v1 | Topic |
|---|---|
| 1.1 | PAR response |
| 1.2 | JWT-AT claim set |
| 1.3 | SD-JWT VC mandate |
| 1.4 | RFC 9421 HTTP message signature |
| 1.5 | DPoP nonces + replay |
| 1.6 | private_key_jwt assertion |
| 1.7 | Refresh token contract |
| 1.8 | Resource indicators / audience |
| 1.9 | Algorithm whitelist |
| 1.10 | Authorization code single-use |
| 1.11 | W3C VC Status List v1.0 |
| 1.12 | /oauth/revoke |
| 1.13 | /oauth/introspect |
| 1.14 | OIDC discovery metadata |
| 1.15 | Audit chain entry envelope |