Optum API Tools — Security and Authorization

openapi: 3.0.0
info:
  description: OAuth 2.0 compliant proxy for retrieving bearer tokens.
  version: 2.0.0
  title: Security and Authorization v2
  termsOfService: ''
tags:
- name: OAuth 2.0
  description: This API complies with the OAuth 2.0 specification. https://tools.ietf.org/html/rfc6749
- name: Auth
  description: Get auth token
- name: client_id
  description: For client_credentials grant_type, this corresponds with a user name
- name: client_secret
  description: For client_credentials grant_type, this corresponds with a password
- name: grant_type
  description: OAuth 2.0 grant_type parameter. 'client_credentials' is currently the only supported value.
paths:
  /apip/auth/v2/token:
    post:
      summary: Generate and return auth token for a given set of client credentials.
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Auth_Request'
        description: A client credential OAuth 2.0 token request
        required: true
      responses:
        '200':
          description: Successful authorization response
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/Auth_Response_Success'
        '400':
          description: Request was not properly formed.
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/Auth_Response_Failure'
        '401':
          description: Unauthorized - the client_id and/or client_secret are invalid
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/Auth_Response_Failure'
servers:
- url: https://sandbox-apigw.optum.com/
components:
  schemas:
    Auth_Request:
      type: object
      properties:
        client_id:
          type: string
          example: BzmQjGTl7mGrD3A1koQWKtA3J2WEa4q3
        client_secret:
          type: string
          example: z0NNadq12345678W
        grant_type:
          type: string
          description: \'client_credentials\' is currently the only supported grant_type in this API
          example: client_credentials
    Auth_Response_Success:
      type: object
      properties:
        access_token:
          type: string
          description: Bearer token that can be used to issue calls to other APIs demonstrating authorization
          example: eyJraWQiOiIxIiwidHl...w8YGHwr0w
        expires_in:
          type: integer
          description: Number of seconds until the token is no longer valid
          example: 3600
        token_type:
          type: string
          description: Field explicitly stating the type of access_token. (It's always a bearer token.)
          example: bearer
    Auth_Response_Failure:
      type: object
      properties:
        error:
          type: string
          description: Populated with the appropriate OAuth 2.0 error code. See https://tools.ietf.org/html/rfc6749#section-5.2
        error_description:
          type: string
          description: Freeform text further explaining the nature of why the call was unsuccessful
x-readme:
  explorer-enabled: true
  proxy-enabled: true