Toqio · AsyncAPI Specification

Toqio Webhooks

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View Spec View on GitHub Embedded FinanceFintechBanking as a ServicePaymentsCardsCorporate BankingLendingComplianceSMEsAsyncAPIEvents

AsyncAPI Specification

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generated: '2026-07-21'
method: searched
type: Webhooks
source:
  - https://platform.toq.io/docs/webhooks
  - https://integrate.toq.io/reference/web-hooks-service
  - https://integrate.toq.io/reference/create-webhook-service-credentials
description: >-
  Toqio's event surface. No AsyncAPI document is published. Two webhook
  surfaces are documented: (1) card-event webhooks surfaced through the Modulr
  BaaS integration on the platform side, and (2) the Integration Hub webhooks
  service — the authoritative asynchronous channel through which financial
  provider integrations deliver events and state changes back to the Toqio
  platform, with a documented reliability contract.

platform_card_webhooks:
  docs: https://platform.toq.io/docs/webhooks
  provider_context: Modulr BaaS card integration
  events:
    - name: CARDAUTH
      description: >-
        Card authorisation events — approved, declined (with Reason), subsequent
        decline of a previously approved authorisation (network outage/timeout),
        and authorisation reversals (OrderID links reversed amounts). PAYIN /
        PAYOUT identify card payments and refunds per AccountID. Saved in logs,
        not configured as a webhook transaction.
    - name: CARDCREATION
      description: >-
        Outcome of a submitted "Create physical card" request (Created or
        Error). Physical cards only; retried on failure.
    - name: CARDSTATUSUPDATE
      description: >-
        Card status changes regardless of trigger: CREATED and ACTIVE (physical
        cards), BLOCK, UNBLOCK, CANCEL, EXPIRED, SUSPENDED.

integration_hub_webhooks:
  docs: https://integrate.toq.io/reference/web-hooks-service
  direction: from the integration/financial-provider layer toward Toqio
  transport: HTTPS only (TLS 1.2 minimum, TLS 1.3 recommended)
  authentication:
    api_key_header: X-Api-Key
    signature_header: X-Toqio-Signature
    signature_scheme: sha256={base64 HMAC-SHA256 over raw request body bytes}
    docs: https://integrate.toq.io/reference/authentication
  reliability_contract:
    retry: exponential backoff with jitter; retry window agreed at onboarding
    status_semantics:
      "2xx": accepted, no retry
      "4xx (except 429)": do not retry — contract violation
      "429": retry with backoff, respect Retry-After header
      "5xx / timeout": retry with exponential backoff
    definitive_failure: >-
      When the retry window is exhausted, the event is a definitive delivery
      failure; integrations log full payload context and Toqio surfaces
      unacknowledged events through its observability layer.

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