generated: '2026-07-17'
method: searched
source: https://developers.altbank.ai/docs/guard-api
docs: https://developers.altbank.ai/docs/
summary: >-
  Cross-cutting request/response semantics for the alt.bank partner APIs
  (GUARD underwriting, CC Integration, SDK KYC), captured from the public
  developer portal.
authentication:
  style: api-key-header
  header: X-Partner-Auth
  network: ip-allowlist
  ref: authentication/alt-bank-authentication.yml
media_type: application/json
async_pattern:
  supported: true
  description: >-
    The GUARD underwriting call is asynchronous. The partner submits a request
    and alt.bank posts the completed result to a partner-registered callback
    URL once the underwriting analysis finishes.
  callback_registration: >-
    Partner must provide alt.bank a callback URL for configuration before using
    the API.
  ref: asyncapi/alt-bank-guard-webhooks.yml
tracing:
  supported: true
  standard: W3C Trace Context
  description: >-
    The developer portal documents a Trace Context page for propagating trace
    identifiers across partner and alt.bank services (W3C traceparent-style
    distributed tracing).
  docs: https://developers.altbank.ai/docs/trace-context
environments:
  separation: host-based
  production: https://guard.altbank.ai
  sandbox: https://guard.stg.altbank.ai
  note: The staging sandbox mirrors the mechanics of production.
  ref: sandbox/alt-bank-sandbox.yml
idempotency:
  documented: false
  note: No idempotency-key contract is documented on the public portal.
pagination:
  documented: false
error_envelope:
  documented: false
  note: Error reference is behind the developer portal's private OpenAPI documents.