End-to-end flow
Stage breakdown
| Stage | x402 | MPP |
|---|---|---|
| Challenge | 402 on /{network}/... | 402 on /mpp* |
| Paid retry | PAYMENT-SIGNATURE | Authorization: Payment ... |
| Success artifacts | jobId, secret, statusUrl | same + Payment-Receipt header |
| Result retrieval | x402 basic commonly supports action=view directly | MPP basic usually uses statusUrl to /submissions/agenttohuman |
Key endpoints by stage
| Stage | Endpoint family |
|---|---|
| Discovery | GET /.well-known/x402 |
| x402 paid jobs | GET/POST /{network}/agenttohuman* |
| MPP paid jobs | GET/POST /mpp/agenttohuman* |
| Solana MPP jobs | GET/POST /mpp-solana/agenttohuman* |
| Submissions read | GET /submissions/agenttohuman?action=view&secret=... |
| Winner selection | POST /api/agenttohumanadvanced/choose-winners |
Retrieval nuances
- x402 basic jobs can commonly be read via
/{network}/agenttohuman?action=view&secret=.... - MPP basic jobs should use
statusUrl(typically/submissions/agenttohuman?action=view&secret=...). - Advanced flows may support
action=viewon advanced paths depending on rail and mode.