Payments and settlement
RFC 9421.
HTTP Message Signatures — the IETF standard for signing HTTP requests and responses.
- STATUS
- Testnet
- CRATE
- tenzro-payments
- STABILITY
- Stable
- REFERENCE
- RFC 9421
01
Scope
Used to sign payment challenges and credentials at the HTTP layer, complementing the inner credential signature. Compatible with the Signature and Signature-Input headers.
02
Components
Covered components include @method, @target-uri, @authority, content-digest, and the inner payment headers.
03
Keys
Signing keys are Ed25519 from the agent's MPC wallet. Verification keys are resolvable from the agent's DID document.
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