Lunar

Lunar Proxy API

Proxy endpoints for routing third-party API traffic through the Lunar Gateway with policy enforcement, traffic controls, and observability.

GitHub OpenAPI

Operations 5

GET /{path} Lunar.dev Proxy GET request #
POST /{path} Lunar.dev Proxy POST request #
PUT /{path} Lunar.dev Proxy PUT request #
DELETE /{path} Lunar.dev Proxy DELETE request #
PATCH /{path} Lunar.dev Proxy PATCH request #

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/lunar/refs/heads/main/openapi/lunar-proxy-api-openapi.yml

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OpenAPI Specification

lunar-proxy-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Lunar.dev Gateway Proxy API
  description: The Lunar.dev Gateway Proxy API handles the routing of outbound (egress) API traffic through the Lunar Gateway. Client applications send their third-party API requests through this proxy, which provides traffic management, policy enforcement, caching, rate limiting, quota management, and real-time observability. Requests are routed by specifying the target host via the x-lunar-host header, and the gateway forwards the request while applying configured flows and policies.
  version: 1.0.0
  contact:
    name: Lunar.dev
    url: https://www.lunar.dev/
  license:
    name: MIT
    url: https://github.com/TheLunarCompany/lunar/blob/main/LICENSE
servers:
- url: http://localhost:8000
  description: Lunar Gateway Proxy Server
tags:
- name: Proxy
  description: Proxy endpoints for routing third-party API traffic through the Lunar Gateway with policy enforcement, traffic controls, and observability.
paths:
  /{path}:
    get:
      operationId: proxyGet
      summary: Lunar.dev Proxy GET request
      description: Forwards a GET request to the target API host specified in the x-lunar-host header. The Lunar Gateway applies any configured flows and policies before forwarding the request and returns the response from the upstream API.
      tags:
      - Proxy
      parameters:
      - $ref: '#/components/parameters/Path'
      - $ref: '#/components/parameters/LunarHost'
      - $ref: '#/components/parameters/LunarConsumerTag'
      responses:
        '200':
          description: Proxied response from the upstream API.
        '502':
          description: Bad gateway - upstream API is unreachable.
        '503':
          description: Service unavailable - rate limited or quota exceeded.
    post:
      operationId: proxyPost
      summary: Lunar.dev Proxy POST request
      description: Forwards a POST request to the target API host specified in the x-lunar-host header. The Lunar Gateway applies any configured flows and policies before forwarding the request.
      tags:
      - Proxy
      parameters:
      - $ref: '#/components/parameters/Path'
      - $ref: '#/components/parameters/LunarHost'
      - $ref: '#/components/parameters/LunarConsumerTag'
      requestBody:
        description: Request body to forward to the upstream API.
        content:
          application/json:
            schema:
              type: object
          '*/*':
            schema:
              type: string
              format: binary
      responses:
        '200':
          description: Proxied response from the upstream API.
        '502':
          description: Bad gateway - upstream API is unreachable.
        '503':
          description: Service unavailable - rate limited or quota exceeded.
    put:
      operationId: proxyPut
      summary: Lunar.dev Proxy PUT request
      description: Forwards a PUT request to the target API host specified in the x-lunar-host header. The Lunar Gateway applies any configured flows and policies before forwarding the request.
      tags:
      - Proxy
      parameters:
      - $ref: '#/components/parameters/Path'
      - $ref: '#/components/parameters/LunarHost'
      - $ref: '#/components/parameters/LunarConsumerTag'
      requestBody:
        description: Request body to forward to the upstream API.
        content:
          application/json:
            schema:
              type: object
          '*/*':
            schema:
              type: string
              format: binary
      responses:
        '200':
          description: Proxied response from the upstream API.
        '502':
          description: Bad gateway - upstream API is unreachable.
        '503':
          description: Service unavailable - rate limited or quota exceeded.
    delete:
      operationId: proxyDelete
      summary: Lunar.dev Proxy DELETE request
      description: Forwards a DELETE request to the target API host specified in the x-lunar-host header. The Lunar Gateway applies any configured flows and policies before forwarding the request.
      tags:
      - Proxy
      parameters:
      - $ref: '#/components/parameters/Path'
      - $ref: '#/components/parameters/LunarHost'
      - $ref: '#/components/parameters/LunarConsumerTag'
      responses:
        '200':
          description: Proxied response from the upstream API.
        '502':
          description: Bad gateway - upstream API is unreachable.
        '503':
          description: Service unavailable - rate limited or quota exceeded.
    patch:
      operationId: proxyPatch
      summary: Lunar.dev Proxy PATCH request
      description: Forwards a PATCH request to the target API host specified in the x-lunar-host header. The Lunar Gateway applies any configured flows and policies before forwarding the request.
      tags:
      - Proxy
      parameters:
      - $ref: '#/components/parameters/Path'
      - $ref: '#/components/parameters/LunarHost'
      - $ref: '#/components/parameters/LunarConsumerTag'
      requestBody:
        description: Request body to forward to the upstream API.
        content:
          application/json:
            schema:
              type: object
          '*/*':
            schema:
              type: string
              format: binary
      responses:
        '200':
          description: Proxied response from the upstream API.
        '502':
          description: Bad gateway - upstream API is unreachable.
        '503':
          description: Service unavailable - rate limited or quota exceeded.
components:
  parameters:
    LunarHost:
      name: x-lunar-host
      in: header
      required: true
      description: The target host to forward the request to. This specifies which third-party API the request should be routed to through the Lunar Gateway.
      schema:
        type: string
      examples:
        catfact:
          value: catfact.ninja
          summary: Cat Facts API
        generic:
          value: api.example.com
          summary: Generic API host
    Path:
      name: path
      in: path
      required: true
      description: The original request path to forward to the upstream API. This is the path that would normally be sent directly to the third-party API.
      schema:
        type: string
    LunarConsumerTag:
      name: x-lunar-consumer-tag
      in: header
      required: false
      description: An optional tag identifying the consuming application or service. Used for tracking and applying consumer-specific policies and quota allocations.
      schema:
        type: string
      examples:
        backend:
          value: backend-service
          summary: Backend service consumer tag
externalDocs:
  description: Lunar.dev Documentation
  url: https://docs.lunar.dev/