Zest

Zest Authentication API

OAuth 2.0 JWT-Bearer assertion grant. Exchange a partner-signed JWT for a short-lived bearer access token, then send that token in the Authorization header on every partner API call.

Documentation GitHub OpenAPI

Operations 2

POST /v1/oauth2/tokens Exchange a JWT assertion for an access token #

GET /v1/oauth2/info Inspect the current access token #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Zest equity public Authentication API
  version: 0.1.0
  description: OAuth 2.0 JWT-Bearer assertion grant. Exchange a partner-signed JWT for a short-lived bearer access token, then send that token in the Authorization header on every partner API call.
servers:
- url: https://sandbox-api.zestequity.com
  description: Staging
tags:
- name: Authentication
  description: OAuth 2.0 JWT-Bearer assertion grant. Exchange a partner-signed JWT for a short-lived bearer access token, then send that token in the Authorization header on every partner API call.
paths:
  /v1/oauth2/tokens:
    post:
      tags:
      - Authentication
      summary: Exchange a JWT assertion for an access token
      description: OAuth 2.0 JWT-Bearer assertion grant. Submit `grant_type=urn:ietf:params:oauth:grant-type:jwt-bearer` plus a signed JWT `assertion`. Returns a short-lived bearer access token used for subsequent partner API calls.
      operationId: exchangeJwtAssertion
      requestBody:
        content:
          application/x-www-form-urlencoded:
            schema:
              $ref: '#/components/schemas/Body_exchangeJwtAssertion'
        required: true
      responses:
        '201':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /v1/oauth2/info:
    get:
      tags:
      - Authentication
      summary: Inspect the current access token
      description: Returns metadata about the bearer token currently presented in the Authorization header. Useful for verifying that a token corresponds to the expected partner application.
      operationId: getOauth2Info
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InfoResponse'
      security:
      - HTTPBearer: []
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError
    Body_exchangeJwtAssertion:
      properties:
        grant_type:
          type: string
          title: Grant Type
        assertion:
          type: string
          title: Assertion
      type: object
      required:
      - grant_type
      - assertion
      title: Body_exchangeJwtAssertion
    InfoResponse:
      properties:
        clientType:
          type: string
          enum:
          - service
          - user
          - application
          title: Clienttype
        clientId:
          type: string
          title: Clientid
        metadata:
          type: object
          title: Metadata
      type: object
      required:
      - clientType
      - clientId
      title: InfoResponse
    TokenResponse:
      properties:
        accessToken:
          type: string
          title: Accesstoken
        refreshToken:
          type: string
          title: Refreshtoken
      type: object
      required:
      - accessToken
      title: TokenResponse
  securitySchemes:
    HTTPBearer:
      type: http
      scheme: bearer