Alternative Payments API fundamentals: OAuth2 client-credentials token minting and bearer auth, scopes, REST endpoint structure, cursor pagination, the 5 req/sec rate limit, idempotency, error handling, and the read + safe-write capability posture that deliberately excludes direct payment creation.
Alternative Payments API fundamentals: OAuth2 client-credentials token minting and bearer auth, scopes, REST endpoint structure, cursor pagination, the 5 req/sec rate limit, idempotency, error handling, and the read + safe-write capability posture that deliberately excludes direct payment creation.