Vendasta

Vendasta OAUTH API

The OAuth APIs allow applications to retrieve a bearer token that must be supplied with all API calls. See the Authentication documentation for more details.

Documentation GitHub OpenAPI

Operations 1

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

POST /oauth/token Exchange a signed JWT for an access token · Get OAuth Token #

Ask an LLM

“How do I get an OAuth access token for server-to-server calls?”

“Which grant type is used when exchanging a JWT assertion for a token?”

Tell an agent

Get an access token using the signed JWT {assertion}.

Exchange assertion {assertion} with grant type {grant_type} for an OAuth token.

Specifications

⚙

OpenAPI

https://raw.githubusercontent.com/api-evangelist/vendasta/refs/heads/main/openapi/vendasta-oauth-api-openapi.yml

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OpenAPI Specification

openapi: 3.2.0
info:
  version: '1.0'
  title: Vendasta Marketplace API V1 Endpoints OAuth API
  description: The OAuth APIs allow applications to retrieve a bearer token that must be supplied with all API calls. See the Authentication documentation for more details.
servers:
- url: https://developers.vendasta.com/api/v1
  description: Production Server
- url: https://developers-demo.vendasta.com/api/v1
  description: Demo Server
security:
- BearerAuth: []
tags:
- name: OAuth
  description: The OAuth APIs allow applications to retrieve a bearer token that must be supplied with all API calls. See the Authentication documentation for more details.
paths:
  /oauth/token:
    post:
      security: []
      tags:
      - OAuth
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  took:
                    type: integer
                    description: The total response time, in milliseconds.
                  data:
                    $ref: '#/components/schemas/access_token'
        '400':
          description: Invalid JSON Web token
        '404':
          description: App ID not found
      summary: Get OAuth Token
      requestBody:
        content:
          application/json:
            schema:
              type: object
              required:
              - grant_type
              - assertion
              properties:
                grant_type:
                  type: string
                  description: 'Use the following string, URL-encoded as necessary: urn:ietf:params:oauth:grant-type:jwt-bearer'
                assertion:
                  type: string
                  description: The JWT, including signature
        required: true
      operationId: postOauthToken
      x-operation-id-source: derived
components:
  schemas:
    access_token:
      required:
      - access_token
      - token_type
      properties:
        access_token:
          type: string
        token_type:
          type: string
        expires:
          type: integer
          description: Unix Timestamp
      type: object
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer