{
  "openapi": "3.1.0",
  "info": {
    "title": "Alim Reklam B2B Channel Letter & Signage API",
    "description": "Public API for channel letter pricing calculation, catalog discovery, and quote requests.",
    "version": "1.0.0",
    "contact": {
      "name": "Alim Reklam Engineering",
      "url": "https://alimreklam.com.tr",
      "email": "imalat@alimreklam.com"
    }
  },
  "servers": [
    {
      "url": "https://alimreklam.com.tr/api",
      "description": "Production Server"
    }
  ],
  "paths": {
    "/health": {
      "get": {
        "summary": "Health Check Endpoint",
        "description": "Returns operational status of the service.",
        "responses": {
          "200": {
            "description": "API is operational",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "status": { "type": "string", "example": "ok" },
                    "timestamp": { "type": "string", "example": "2026-08-21T17:48:00Z" }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/catalog": {
      "get": {
        "summary": "List Available Products and Materials",
        "description": "Returns product groups such as Plexiglass, Chrome, Gold Stainless Steel Channel Letters, Totems, and Fascia Signs.",
        "responses": {
          "200": {
            "description": "List of products",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "products": { "type": "array", "items": { "type": "string" } }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}