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OpenAPI Specification

openapi: 3.2.0
info:
  title: Regions Open Banking Account Information Consent API
  description: Regions Bank is implementing FDX-compliant open banking APIs through its partnership with Axway Amplify Open Banking. These APIs enable secure, consent-based financial data sharing for consumer banking, corporate banking, and wealth management, replacing legacy screen-scraping with standardized API access. Built to Financial Data Exchange (FDX) API v6.x standards. Regions joined FDX in 2021 and is targeting full compliance with CFPB open banking rules by April 2027.
  version: 1.0.0
  contact:
    name: Regions Bank Developer Support
    url: https://www.regions.com
  x-api-id: regions-open-banking-api
  x-audience: partner
  x-standard: FDX
servers:
- url: https://api.regions.com/v1
  description: Production
security:
- OAuth2:
  - accounts:read
tags:
- name: Consent
  description: Customer consent management for data sharing
paths:
  /consents:
    get:
      operationId: listConsents
      summary: List Consents
      description: List active data sharing consents granted by the customer.
      tags:
      - Consent
      responses:
        '200':
          description: List of active consents
          content:
            application/json:
              schema:
                type: object
                properties:
                  consents:
                    type: array
                    items:
                      $ref: '#/components/schemas/Consent'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /consents/{consentId}:
    delete:
      operationId: revokeConsent
      summary: Revoke Consent
      description: Revoke a specific data sharing consent.
      tags:
      - Consent
      parameters:
      - name: consentId
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Consent revoked successfully
        '404':
          $ref: '#/components/responses/NotFound'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    Consent:
      type: object
      properties:
        consentId:
          type: string
          description: Unique consent identifier
        thirdPartyName:
          type: string
          description: Name of the authorized third party
        scopes:
          type: array
          items:
            type: string
          description: Authorized data scopes
        grantedAt:
          type: string
          format: date-time
        expiresAt:
          type: string
          format: date-time
        status:
          type: string
          enum:
          - ACTIVE
          - EXPIRED
          - REVOKED
    Error:
      type: object
      properties:
        code:
          type: string
        message:
          type: string
        details:
          type: string
        traceId:
          type: string
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing or invalid OAuth2 token
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    OAuth2:
      type: oauth2
      description: OAuth 2.0 with customer consent (FDX standard)
      flows:
        authorizationCode:
          authorizationUrl: https://auth.regions.com/oauth/authorize
          tokenUrl: https://auth.regions.com/oauth/token
          scopes:
            accounts:read: Read account information
            transactions:read: Read transaction history
            customers:read: Read customer profile
            payments:write: Initiate payments