generated: '2026-07-23'
method: searched
source: https://developer.svb.com/apis/commercial-banking-apis/authorization-api/1.0/authorization
notes: >-
  Cross-cutting request/response semantics for the SVB (First Citizens)
  commercial banking API family, captured from the public developer docs. The
  machine-readable spec is partner-gated (401), so pagination/metadata/rate-limit
  specifics that live only inside authenticated reference pages are marked
  unknown rather than fabricated.
authentication:
  style: oauth2-client-credentials + detached-jws-signing
  token_endpoint: https://api.svb.com/v1/security/oauth/token
  request_signing: x-jws-signature (RFC 7515 detached JWS over the request body)
  ref: authentication/first-citizens-bancshares-authentication.yml
idempotency:
  supported: unknown               # not confirmed in public docs; no pointer emitted (no fabrication)
versioning:
  style: uri-path                  # /v1, /v2, /v2.1
  ref: lifecycle/first-citizens-bancshares-lifecycle.yml
error_handling:
  style: per-product error reference pages (ACH, wires, instant payments)
  envelope: unknown                # error schema is inside partner-gated reference
  ref: lifecycle/first-citizens-bancshares-lifecycle.yml
events:
  style: webhook subscriptions under /v2/event/*
  ref: asyncapi/first-citizens-bancshares-webhooks.yml
pagination:
  style: unknown
rate_limiting:
  signaling: unknown