Sinch · AsyncAPI Specification

Sinch Verification Callbacks

Version 1.0

Event-driven callbacks for the Sinch Verification API. The Verification API sends HTTP POST callbacks to your application during the verification lifecycle. These include verification request events when a verification is initiated and verification result events when a verification is completed or fails.

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Channels

/verification/request
publish receiveVerificationRequest
Receive a verification request event
Receives verification request events when a new verification is initiated. Your response can allow or deny the verification and override the verification method.
/verification/result
publish receiveVerificationResult
Receive a verification result event
Receives verification result events when a verification is completed, either successfully or with a failure.

Messages

VerificationRequestEvent
Verification Request Event
A new verification has been initiated
VerificationResultEvent
Verification Result Event
A verification has reached a terminal state

Servers

https
customerServer {callbackUrl}
Your server endpoint configured to receive Verification API callbacks. The callback URL is configured per application.

AsyncAPI Specification

Raw ↑
asyncapi: 2.6.0
info:
  title: Sinch Verification Callbacks
  description: >-
    Event-driven callbacks for the Sinch Verification API. The Verification API
    sends HTTP POST callbacks to your application during the verification
    lifecycle. These include verification request events when a verification
    is initiated and verification result events when a verification is
    completed or fails.
  version: '1.0'
  contact:
    name: Sinch Support
    url: https://www.sinch.com/contact-us/
servers:
  customerServer:
    url: '{callbackUrl}'
    protocol: https
    description: >-
      Your server endpoint configured to receive Verification API callbacks.
      The callback URL is configured per application.
    variables:
      callbackUrl:
        description: Your callback endpoint URL
channels:
  /verification/request:
    description: >-
      Receives verification request events when a new verification is
      initiated. Your response can allow or deny the verification and
      override the verification method.
    publish:
      operationId: receiveVerificationRequest
      summary: Receive a verification request event
      description: >-
        Triggered when a new verification is initiated via the SDK or API.
        Your response determines whether the verification proceeds and can
        override the method (SMS, flashcall, callout).
      message:
        $ref: '#/components/messages/VerificationRequestEvent'
  /verification/result:
    description: >-
      Receives verification result events when a verification is completed,
      either successfully or with a failure.
    publish:
      operationId: receiveVerificationResult
      summary: Receive a verification result event
      description: >-
        Triggered when a verification reaches a terminal state, either
        successful, failed, or denied. Includes the verification method
        and identity details.
      message:
        $ref: '#/components/messages/VerificationResultEvent'
components:
  messages:
    VerificationRequestEvent:
      name: VerificationRequestEvent
      title: Verification Request Event
      summary: A new verification has been initiated
      contentType: application/json
      payload:
        $ref: '#/components/schemas/VerificationRequestPayload'
    VerificationResultEvent:
      name: VerificationResultEvent
      title: Verification Result Event
      summary: A verification has reached a terminal state
      contentType: application/json
      payload:
        $ref: '#/components/schemas/VerificationResultPayload'
  schemas:
    VerificationRequestPayload:
      type: object
      properties:
        id:
          type: string
          description: The verification request identifier
        event:
          type: string
          enum:
            - VerificationRequestEvent
          description: The event type
        method:
          type: string
          enum:
            - sms
            - flashcall
            - callout
            - seamless
          description: The requested verification method
        identity:
          type: object
          description: The identity being verified
          properties:
            type:
              type: string
              description: The identity type
            endpoint:
              type: string
              description: The phone number in E.164 format
        reference:
          type: string
          description: Custom reference string if provided
        custom:
          type: string
          description: Custom data if provided
        price:
          type: object
          description: The verification price
          properties:
            currencyId:
              type: string
              description: Currency code
            amount:
              type: number
              description: Price amount
        acceptLanguage:
          type: array
          description: Accepted languages from the SDK
          items:
            type: string
    VerificationResultPayload:
      type: object
      properties:
        id:
          type: string
          description: The verification request identifier
        event:
          type: string
          enum:
            - VerificationResultEvent
          description: The event type
        method:
          type: string
          enum:
            - sms
            - flashcall
            - callout
            - seamless
          description: The verification method used
        identity:
          type: object
          description: The verified identity
          properties:
            type:
              type: string
              description: The identity type
            endpoint:
              type: string
              description: The phone number
        status:
          type: string
          enum:
            - SUCCESSFUL
            - FAIL
            - DENIED
            - ERROR
          description: The verification result
        reason:
          type: string
          description: The reason for the result
        reference:
          type: string
          description: Custom reference string
        source:
          type: string
          enum:
            - intercepted
            - manual
          description: How the code was reported