Lunar

Lunar Discovery API

API discovery and remedy state reporting

Documentation GitHub OpenAPI

Operations 2

GET /discover Retrieve API discovery state #

GET /remedy_stats Retrieve remedy/policy enforcement statistics #

Specifications

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OpenAPI

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

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Lunar Discovery API
  version: 1.0.0
  description: 'Operations tagged Discovery across 2 of this provider''s published API definitions: lunar-api-consumption-gateway-openapi.yml, lunar-gateway-admin-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: http://localhost:{adminPort}
  description: Lunar Engine Admin API (local)
  variables:
    adminPort:
      default: '8081'
      description: Admin port set via ENGINE_ADMIN_PORT environment variable
- url: http://localhost:8040
  description: Gateway Admin Health Server
- url: http://localhost:8081
  description: Gateway Admin Engine Server
tags:
- name: Discovery
  description: API discovery and remedy state reporting
paths:
  /discover:
    get:
      operationId: getDiscoveryState
      summary: Retrieve API discovery state
      description: Returns the current discovery state JSON file, which contains observed API traffic patterns, endpoints accessed, and related metadata collected by the gateway.
      tags:
      - Discovery
      responses:
        '200':
          description: Discovery state data returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JSONFileResponse'
        '422':
          description: Failed to read discovery state file
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '405':
          description: Method not allowed
    servers:
    - url: http://localhost:{adminPort}
      description: Lunar Engine Admin API (local)
      variables:
        adminPort:
          default: '8081'
          description: Admin port set via ENGINE_ADMIN_PORT environment variable
  /remedy_stats:
    get:
      operationId: getRemedyStats
      summary: Retrieve remedy/policy enforcement statistics
      description: Returns the remedy state JSON file containing statistics about policy enforcement actions taken by the gateway (rate limiting, retries, circuit breakers, etc.).
      tags:
      - Discovery
      responses:
        '200':
          description: Remedy stats data returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JSONFileResponse'
        '422':
          description: Failed to read remedy state file
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '405':
          description: Method not allowed
    servers:
    - url: http://localhost:{adminPort}
      description: Lunar Engine Admin API (local)
      variables:
        adminPort:
          default: '8081'
          description: Admin port set via ENGINE_ADMIN_PORT environment variable
components:
  schemas:
    JSONFileResponse:
      type: object
      description: Wrapper response containing JSON file content as a string
      properties:
        data:
          type: string
          description: JSON file contents serialized as a string
      required:
      - data
    ErrorResponse:
      type: object
      description: Error response with message and optional error detail
      properties:
        msg:
          type: string
          description: Human-readable error message
        error:
          type: string
          description: Underlying error string
      required:
      - msg
    DiscoveredEndpoint:
      type: object
      properties:
        method:
          type: string
          description: HTTP method observed for this endpoint.
          examples:
          - GET
          - POST
        url:
          type: string
          description: The URL pattern of the discovered endpoint.
          examples:
          - api.example.com/v1/users
        status_codes:
          type: object
          description: Distribution of HTTP status codes observed.
          additionalProperties:
            type: integer
        count:
          type: integer
          description: Total number of requests observed for this endpoint.
        average_latency_ms:
          type: number
          description: Average latency in milliseconds for requests to this endpoint.
    DiscoveredEndpoints:
      type: object
      properties:
        endpoints:
          type: array
          description: List of discovered API endpoints.
          items:
            $ref: '#/components/schemas/DiscoveredEndpoint'
x-refined-from:
- lunar-api-consumption-gateway-openapi.yml
- lunar-gateway-admin-openapi.yml