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OpenAPI Specification

openapi: 3.2.0
info:
  title: TIAA Financial Data Exchange Accounts Projections 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: Projections
  description: Income projections and illustrations
paths:
  /plans/{planId}/participants/{participantId}/projections:
    get:
      operationId: getIncomeProjection
      summary: Get Income Projection
      description: Returns projected lifetime income amounts for a participant based on current balance and future contributions.
      tags:
      - Projections
      security:
      - ClientCredentials: []
      parameters:
      - name: planId
        in: path
        required: true
        schema:
          type: string
      - name: participantId
        in: path
        required: true
        schema:
          type: string
      - name: retirementAge
        in: query
        schema:
          type: integer
        description: Target retirement age for projection
      - name: projectionDate
        in: query
        schema:
          type: string
          format: date
      responses:
        '200':
          description: Income projection data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/IncomeProjection'
components:
  schemas:
    IncomeProjection:
      type: object
      properties:
        participantId:
          type: string
        currentBalance:
          type: number
          format: double
        projectedRetirementAge:
          type: integer
        monthlyIncomeProjection:
          type: number
          format: double
          description: Estimated monthly lifetime income at retirement
        annualIncomeProjection:
          type: number
          format: double
        projectionDate:
          type: string
          format: date
        assumptions:
          type: object
          properties:
            discountRate:
              type: number
              format: double
            mortalityTable:
              type: string
            inflationRate:
              type: number
              format: double
  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