Svix Provision Application and Send First Message

arazzo: 1.0.1
info:
  title: Svix Provision Application and Send First Message
  summary: Create an application, register a webhook endpoint, send a message, and inspect the delivery attempts.
  description: >-
    The canonical Svix onboarding flow. The workflow creates a new
    application to act as a tenant, registers a webhook endpoint that will
    receive events for that application, sends a first message to fan it out to
    the endpoint, and then lists the delivery attempts for that message so the
    caller can confirm the webhook fired. Every step spells out its request
    inline so the flow can be read and executed without opening the underlying
    OpenAPI description.
  version: 1.0.0
sourceDescriptions:
- name: svixApi
  url: ../openapi/svix-openapi.json
  type: openapi
workflows:
- workflowId: provision-and-send-message
  summary: Stand up an application with an endpoint and deliver a first webhook message.
  description: >-
    Creates an application, attaches a webhook endpoint subscribed to the given
    event type, publishes a message of that event type, and then lists the
    delivery attempts recorded for the message.
  inputs:
    type: object
    required:
    - applicationName
    - endpointUrl
    - eventType
    - payload
    properties:
      applicationName:
        type: string
        description: Human readable name for the new application (tenant).
      applicationUid:
        type: string
        description: Optional unique identifier for the application.
      endpointUrl:
        type: string
        description: The HTTPS URL the webhook endpoint will deliver events to.
      eventType:
        type: string
        description: The event type name the endpoint subscribes to and the message uses.
      payload:
        type: object
        description: The JSON payload delivered to subscribers for this message.
  steps:
  - stepId: createApplication
    description: >-
      Create the application that owns the endpoint and messages. Svix returns
      either 200 or 201 with the new application object.
    operationId: v1.application.create
    requestBody:
      contentType: application/json
      payload:
        name: $inputs.applicationName
        uid: $inputs.applicationUid
    successCriteria:
    - condition: $statusCode == 201
    outputs:
      applicationId: $response.body#/id
  - stepId: createEndpoint
    description: >-
      Register a webhook endpoint on the application, subscribed to the supplied
      event type. Svix returns 201 with the new endpoint object.
    operationId: v1.endpoint.create
    parameters:
    - name: app_id
      in: path
      value: $steps.createApplication.outputs.applicationId
    requestBody:
      contentType: application/json
      payload:
        url: $inputs.endpointUrl
        filterTypes:
        - $inputs.eventType
    successCriteria:
    - condition: $statusCode == 201
    outputs:
      endpointId: $response.body#/id
  - stepId: sendMessage
    description: >-
      Publish a message of the subscribed event type to the application, which
      Svix fans out to matching endpoints. Returns 202 with the message object.
    operationId: v1.message.create
    parameters:
    - name: app_id
      in: path
      value: $steps.createApplication.outputs.applicationId
    requestBody:
      contentType: application/json
      payload:
        eventType: $inputs.eventType
        payload: $inputs.payload
    successCriteria:
    - condition: $statusCode == 202
    outputs:
      messageId: $response.body#/id
  - stepId: listAttempts
    description: >-
      List the delivery attempts recorded for the message so the caller can
      confirm the endpoint was invoked. Returns 200 with a paged attempt list.
    operationId: v1.message-attempt.list-by-msg
    parameters:
    - name: app_id
      in: path
      value: $steps.createApplication.outputs.applicationId
    - name: msg_id
      in: path
      value: $steps.sendMessage.outputs.messageId
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      attempts: $response.body#/data
  outputs:
    applicationId: $steps.createApplication.outputs.applicationId
    endpointId: $steps.createEndpoint.outputs.endpointId
    messageId: $steps.sendMessage.outputs.messageId
    attempts: $steps.listAttempts.outputs.attempts