Taxi - Describe How Your APIs and Data Relate Services API

openapi: 3.1.0
info:
  title: Taxi Language Conversion Services API
  description: Taxi is an open-source language for describing APIs, data models, and how data relates across an entire ecosystem. This API covers the Taxi schema compiler service, TaxiQL query execution, schema registry operations, and tooling integrations for generating Taxi schemas from existing API specifications.
  version: '1.0'
  contact:
    name: Taxi Language
    url: https://taxilang.org/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: https://api.taxilang.org
  description: Taxi API service
tags:
- name: Services
  description: Service registry operations
paths:
  /services:
    get:
      operationId: listServices
      summary: List Services
      description: Returns all API services registered in the Taxi schema registry.
      tags:
      - Services
      responses:
        '200':
          description: List of services
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ServiceList'
  /services/{service_name}:
    get:
      operationId: getService
      summary: Get Service
      description: Returns a specific service definition including all operations.
      tags:
      - Services
      parameters:
      - name: service_name
        in: path
        required: true
        description: Service name
        schema:
          type: string
      responses:
        '200':
          description: Service definition
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ServiceDefinition'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    ServiceDefinition:
      type: object
      properties:
        name:
          type: string
          description: Service name
        base_url:
          type: string
          description: Service base URL
        operations:
          type: array
          items:
            $ref: '#/components/schemas/OperationDefinition'
        annotations:
          type: array
          items:
            type: string
    ServiceList:
      type: object
      properties:
        services:
          type: array
          items:
            $ref: '#/components/schemas/ServiceDefinition'
        total:
          type: integer
    Error:
      type: object
      properties:
        code:
          type: string
          description: Error code
        message:
          type: string
          description: Human-readable error description
        errors:
          type: array
          items:
            type: string
          description: List of specific error messages
    OperationDefinition:
      type: object
      properties:
        name:
          type: string
          description: Operation name
        method:
          type: string
          enum:
          - GET
          - POST
          - PUT
          - PATCH
          - DELETE
        url:
          type: string
          description: Operation URL
        return_type:
          type: string
          description: Return type qualified name
        parameters:
          type: array
          items:
            $ref: '#/components/schemas/OperationParameter'
    OperationParameter:
      type: object
      properties:
        name:
          type: string
        type:
          type: string
          description: Parameter type qualified name
        placement:
          type: string
          enum:
          - path
          - query
          - body
          - header
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
externalDocs:
  description: Taxi Language Documentation
  url: https://docs.taxilang.org/