Fintecture Decoupled Authentication then List Accounts

arazzo: 1.0.1
info:
  title: Fintecture Decoupled Authentication then List Accounts
  summary: Authenticate a PSU with the decoupled (mobile-app) model, poll until approved, then list accounts.
  description: >-
    Drives the decoupled AIS authentication model end to end. It reads the
    target provider to confirm it supports the decoupled auth model, triggers a
    provider authorization to start the PSU's bank mobile-app approval, polls the
    decoupled status until it reaches COMPLETED (branching to a failure step on
    FAILED), and then lists the accounts on the newly established connection.
    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: accountsApi
  url: ../openapi/fintecture-accounts-api-openapi.yml
  type: openapi
- name: authenticationApi
  url: ../openapi/fintecture-authentication-api-openapi.yml
  type: openapi
- name: providersApi
  url: ../openapi/fintecture-providers-api-openapi.yml
  type: openapi
workflows:
- workflowId: decoupled-auth-accounts
  summary: Run decoupled PSU authentication, poll to completion, then enumerate accounts.
  description: >-
    Confirms the provider, starts decoupled authorization, polls the decoupled
    status until COMPLETED or FAILED, and lists the connection's accounts on
    success.
  inputs:
    type: object
    required:
    - accessToken
    - providerId
    - customerId
    properties:
      accessToken:
        type: string
        description: A valid AIS-scoped bearer access token.
      providerId:
        type: string
        description: Identifier of the bank provider to authenticate against.
      customerId:
        type: string
        description: The connection (customer) identifier to read accounts from once authenticated.
      psuType:
        type: string
        description: PSU segment, either "retail" or "corporate".
  steps:
  - stepId: getProvider
    description: Read the provider to confirm it supports the decoupled authentication model.
    operationId: getResV1Provider
    parameters:
    - name: Authorization
      in: header
      value: "Bearer $inputs.accessToken"
    - name: provider_id
      in: path
      value: $inputs.providerId
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      authModels: $response.body#/auth_models
  - stepId: startAuthorization
    description: >-
      Trigger provider authorization, which initiates a decoupled authentication
      request on the PSU's bank mobile app and returns a session id to poll.
    operationId: getAisV1ProviderAuthorization
    parameters:
    - name: Authorization
      in: header
      value: "Bearer $inputs.accessToken"
    - name: provider_id
      in: path
      value: $inputs.providerId
    - name: psu_type
      in: query
      value: $inputs.psuType
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      sessionId: $response.body#/meta/session_id
  - stepId: pollDecoupled
    description: >-
      Poll the decoupled authentication status. COMPLETED proceeds to list
      accounts, FAILED routes to the failure step, and PENDING loops back.
    operationId: getAisV1ProviderAuthorizationDecoupled
    parameters:
    - name: Authorization
      in: header
      value: "Bearer $inputs.accessToken"
    - name: provider_id
      in: path
      value: $inputs.providerId
    - name: session_id
      in: query
      value: $steps.startAuthorization.outputs.sessionId
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      status: $response.body#/status
    onSuccess:
    - name: authCompleted
      type: goto
      stepId: listAccounts
      criteria:
      - context: $response.body
        condition: $.status == "COMPLETED"
        type: jsonpath
    - name: authFailed
      type: goto
      stepId: reportFailure
      criteria:
      - context: $response.body
        condition: $.status == "FAILED"
        type: jsonpath
    - name: authPending
      type: goto
      stepId: pollDecoupled
      criteria:
      - context: $response.body
        condition: $.status == "PENDING"
        type: jsonpath
  - stepId: listAccounts
    description: List the accounts linked to the connection now that the PSU has authenticated.
    operationId: getAisV1CustomerAccounts
    parameters:
    - name: Authorization
      in: header
      value: "Bearer $inputs.accessToken"
    - name: customer_id
      in: path
      value: $inputs.customerId
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      accounts: $response.body#/data
    onSuccess:
    - name: done
      type: end
  - stepId: reportFailure
    description: >-
      Terminal failure handling — re-read the decoupled status so the failing
      state is captured in the workflow outputs.
    operationId: getAisV1ProviderAuthorizationDecoupled
    parameters:
    - name: Authorization
      in: header
      value: "Bearer $inputs.accessToken"
    - name: provider_id
      in: path
      value: $inputs.providerId
    - name: session_id
      in: query
      value: $steps.startAuthorization.outputs.sessionId
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      failedStatus: $response.body#/status
  outputs:
    sessionId: $steps.startAuthorization.outputs.sessionId
    accounts: $steps.listAccounts.outputs.accounts
    failedStatus: $steps.reportFailure.outputs.failedStatus