> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vin.gs/llms.txt
> Use this file to discover all available pages before exploring further.

# Get well knownoauth authorization server



## OpenAPI

````yaml https://external.vin.gs/api/openapi.json get /.well-known/oauth-authorization-server
openapi: 3.1.0
info:
  title: Vings External API
  version: 0.1.0
  description: Readonly external API for authenticated Vings financial data.
servers:
  - url: https://external.vin.gs/api
    description: Production
security: []
tags:
  - name: Transactions
    description: Transaction search and recurring payments
  - name: Cashflow
    description: Cashflow summaries
  - name: Spending
    description: Spending aggregates and merchants
  - name: Budgets
    description: Budget categories and summaries
  - name: Banks
    description: Connected bank status
  - name: Portfolio
    description: Portfolio snapshots and history
  - name: Preferences
    description: User preferences
  - name: OAuth
    description: OAuth protected-resource metadata (RFC 9728)
  - name: Health
    description: Liveness and readiness
  - name: User
    description: Authenticated user
  - name: MCP
    description: Model Context Protocol JSON-RPC transport
paths:
  /.well-known/oauth-authorization-server:
    get:
      tags:
        - OAuth
      responses:
        '200':
          description: >-
            OAuth 2.0 Authorization Server Metadata (RFC 8414) with
            offline_access for ChatGPT refresh tokens
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OAuthAuthorizationServerMetadata'
components:
  schemas:
    OAuthAuthorizationServerMetadata:
      type: object
      properties:
        issuer:
          type: string
          format: uri
        authorization_endpoint:
          type: string
          format: uri
        token_endpoint:
          type: string
          format: uri
        jwks_uri:
          type: string
          format: uri
        userinfo_endpoint:
          type: string
          format: uri
        scopes_supported:
          type: array
          items:
            type: string
        response_types_supported:
          type: array
          items:
            type: string
        response_modes_supported:
          type: array
          items:
            type: string
        grant_types_supported:
          type: array
          items:
            type: string
        subject_types_supported:
          type: array
          items:
            type: string
        id_token_signing_alg_values_supported:
          type: array
          items:
            type: string
        token_endpoint_auth_methods_supported:
          type: array
          items:
            type: string
        claims_supported:
          type: array
          items:
            type: string
        code_challenge_methods_supported:
          type: array
          items:
            type: string
      required:
        - issuer
        - authorization_endpoint
        - token_endpoint
        - jwks_uri
        - userinfo_endpoint
        - scopes_supported
        - response_types_supported
        - response_modes_supported
        - grant_types_supported
        - subject_types_supported
        - id_token_signing_alg_values_supported
        - token_endpoint_auth_methods_supported
        - claims_supported
        - code_challenge_methods_supported

````