WeChat

WeChat Access Token API

Application-level access token management.

Documentation GitHub OpenAPI

Operations 1

GET /cgi-bin/token auth.getAccessToken #

Specifications

⚙

OpenAPI

https://raw.githubusercontent.com/api-evangelist/wechat/refs/heads/main/openapi/wechat-access-token-api-openapi.yml

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OpenAPI Specification

openapi: 3.2.0
info:
  title: WeChat Mini Program Server API (subset) Access Token API
  description: 'Subset OpenAPI description for the WeChat (Weixin) Mini Programs server-side

    API hosted at `api.weixin.qq.com`.'
  version: 1.0.0
  contact:
    name: WeChat Developer Community
    url: https://developers.weixin.qq.com/community/
  license:
    name: Proprietary
servers:
- url: https://api.weixin.qq.com
  description: WeChat production API
tags:
- name: Access Token
  description: Application-level access token management.
paths:
  /cgi-bin/token:
    get:
      tags:
      - Access Token
      summary: auth.getAccessToken
      description: 'Obtain the global application `access_token` for a Mini Program.

        Returned tokens are valid for 7200 seconds and must be cached and

        re-used across the application; concurrent calls will overwrite each

        other.'
      operationId: getAccessToken
      parameters:
      - in: query
        name: grant_type
        required: true
        schema:
          type: string
          enum:
          - client_credential
        description: Must be set to `client_credential`.
      - in: query
        name: appid
        required: true
        schema:
          type: string
        description: Mini Program AppID from the WeChat Official Accounts Platform.
      - in: query
        name: secret
        required: true
        schema:
          type: string
        description: Mini Program AppSecret.
      responses:
        '200':
          description: Access token response.
          content:
            application/json:
              schema:
                oneOf:
                - type: object
                  properties:
                    access_token:
                      type: string
                      description: Global application access token.
                    expires_in:
                      type: integer
                      format: int32
                      description: Lifetime of the access token in seconds (typically 7200).
                - $ref: '#/components/schemas/WeChatError'
              examples:
                success:
                  value:
                    access_token: ACCESS_TOKEN
                    expires_in: 7200
                invalidAppId:
                  value:
                    errcode: 40013
                    errmsg: invalid appid
components:
  schemas:
    WeChatError:
      type: object
      description: Standard WeChat API error envelope.
      properties:
        errcode:
          type: integer
          description: Numeric WeChat error code; `0` indicates success.
        errmsg:
          type: string
          description: Human-readable error message.
externalDocs:
  description: WeChat Mini Program Server API
  url: https://developers.weixin.qq.com/miniprogram/en/dev/api-backend/