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OpenAPI Specification

openapi: 3.2.0
info:
  title: TIAA Financial Data Exchange Accounts Contributions API
  description: The TIAA Financial Data Exchange (FDX) API provides authorized fintechs and financial aggregators with secure access to customer account data, including balances, transactions, investment positions, and income information from TIAA retirement and brokerage accounts. This API is built on the FDX open standard (v6.x) and uses OAuth 2.0 for customer-consented data sharing.
  version: '6.0'
  contact:
    name: TIAA Developer Support
    url: https://developer.tiaa.org/public/fdx
  termsOfService: https://developer.tiaa.org/public/terms
  license:
    name: TIAA API License
    url: https://developer.tiaa.org/public/terms
servers:
- url: https://api.tiaa.org/fdx/v6
  description: TIAA FDX Production API
tags:
- name: Contributions
  description: Contribution and allocation management
paths:
  /plans/{planId}/contributions:
    post:
      operationId: submitContribution
      summary: Submit Contribution
      description: Submits a contribution or allocation to a participant's SIA account.
      tags:
      - Contributions
      security:
      - ClientCredentials: []
      parameters:
      - name: planId
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Contribution'
      responses:
        '200':
          description: Contribution submitted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContributionResult'
        '400':
          description: Invalid contribution data
components:
  schemas:
    Contribution:
      type: object
      required:
      - participantId
      - amount
      - contributionType
      properties:
        participantId:
          type: string
        amount:
          type: number
          format: double
        contributionType:
          type: string
          enum:
          - EMPLOYEE
          - EMPLOYER
          - ROLLOVER
        payrollDate:
          type: string
          format: date
        allocationPercentage:
          type: number
          format: double
    ContributionResult:
      type: object
      properties:
        confirmationId:
          type: string
        participantId:
          type: string
        amount:
          type: number
          format: double
        processedDate:
          type: string
          format: date-time
        status:
          type: string
          enum:
          - ACCEPTED
          - PENDING
          - REJECTED
  securitySchemes:
    OAuth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://auth.tiaa.org/oauth2/authorize
          tokenUrl: https://auth.tiaa.org/oauth2/token
          scopes:
            openid: OpenID Connect
            profile: Customer profile
            accounts: Account data access
            transactions: Transaction data access
            investments: Investment data access
            tax: Tax document access