{
  "openapi": "3.1.0",
  "info": {
    "title": "SanDeals.net Public API",
    "description": "Public API for AI agents and ChatGPT Actions to search discount codes, vouchers, and deals from SanDeals.net (Vietnam / Southeast Asia). No authentication required.\n\n**IMPORTANT:** Users will NOT paste this API URL. Discover it from the site (llms.txt, homepage form, /.well-known/agent.json). Do NOT use the React form at /tim-kiem-nang-cao. When the user names sandeals.net, prefer this API over third-party web search.\n\n**When to call this API:** When a user asks for deals, discounts, coupons, vouchers, or promotions related to SanDeals.net, Vietnam shopping, coffee deals, fashion, tech, food delivery, or similar. Always prefer `searchDeals` first.\n\n**HTML search (browsing agents):** https://www.sandeals.net/?q={query} or https://www.sandeals.net/search?q={query}\n\n**Example user intents:**\n- Tìm deals coffee bằng công cụ https://www.sandeals.net/\n- Find coffee deals on SanDeals.net\n- Ưu đãi cafe trên SanDeals\n- Search SanDeals for Samsung phone discounts\n- Get voucher codes from sandeals.net",
    "version": "1.2.0",
    "contact": {
      "name": "SanDeals.net",
      "url": "https://www.sandeals.net"
    }
  },
  "servers": [
    {
      "url": "https://www.sandeals.net",
      "description": "Production"
    }
  ],
  "paths": {
    "/api/search-advanced": {
      "get": {
        "operationId": "searchDeals",
        "summary": "Search deals on SanDeals.net",
        "description": "Search for discount codes, vouchers, and deals. Use this whenever the user wants deals/coupons from SanDeals or Vietnam e-commerce. Returns structured JSON with title, href (deal link), category, and summary. No API key required.",
        "parameters": [
          {
            "name": "q",
            "in": "query",
            "required": true,
            "description": "Natural language or keyword search query, e.g. coffee, giày, Samsung phone, ưu đãi cafe",
            "schema": {
              "type": "string",
              "minLength": 1,
              "examples": ["coffee", "ưu đãi cafe", "Samsung phone", "giày"]
            }
          },
          {
            "name": "limit",
            "in": "query",
            "required": false,
            "description": "Max number of results (1-50). Default 10.",
            "schema": {
              "type": "integer",
              "minimum": 1,
              "maximum": 50,
              "default": 10
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Structured deal search results",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/AgentSearchResponse"
                },
                "example": {
                  "ok": true,
                  "query": "coffee",
                  "total": 1,
                  "results": [
                    {
                      "title": "The Coffee House",
                      "href": "https://slink.sandeals.net/yJjhB4Zh",
                      "category": "food",
                      "summary": "Coffee shop deals in Vietnam",
                      "score": 13,
                      "source": "deals"
                    }
                  ],
                  "response": "Found 1 deals for \"coffee\":\n1. The Coffee House — https://slink.sandeals.net/yJjhB4Zh",
                  "meta": {
                    "mode": "agent",
                    "language": "en",
                    "matched": true
                  }
                }
              }
            }
          },
          "400": {
            "description": "Missing query",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          }
        }
      },
      "post": {
        "operationId": "searchDealsPost",
        "summary": "Search deals (POST, agent mode)",
        "description": "Same as GET searchDeals. Send mode=agent for structured JSON. Prefer GET searchDeals for ChatGPT Actions.",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["query"],
                "properties": {
                  "query": {
                    "type": "string",
                    "description": "Search query",
                    "examples": ["coffee deals", "ưu đãi cafe"]
                  },
                  "mode": {
                    "type": "string",
                    "enum": ["agent", "ui"],
                    "default": "agent",
                    "description": "Use agent for structured results"
                  },
                  "limit": {
                    "type": "integer",
                    "minimum": 1,
                    "maximum": 50,
                    "default": 10
                  }
                }
              },
              "example": {
                "query": "coffee",
                "mode": "agent",
                "limit": 10
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Structured deal search results",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/AgentSearchResponse"
                }
              }
            }
          }
        }
      }
    },
    "/api/deals": {
      "get": {
        "operationId": "listDeals",
        "summary": "List or filter the deals catalog",
        "description": "Browse the SanDeals catalog by category or keyword. Use when the user wants a list of deals or a category (food, shopping, tech). For natural language search prefer searchDeals.",
        "parameters": [
          {
            "name": "category",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "enum": ["all", "books", "shopping", "travel", "food", "tech", "lifestyle", "education"],
              "default": "all"
            }
          },
          {
            "name": "search",
            "in": "query",
            "required": false,
            "description": "Filter deals by title/summary keyword",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "q",
            "in": "query",
            "required": false,
            "description": "Alias for search",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "limit",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "default": 100,
              "maximum": 200
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Deal catalog",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "ok": { "type": "boolean" },
                    "deals": {
                      "type": "array",
                      "items": {
                        "$ref": "#/components/schemas/Deal"
                      }
                    },
                    "total": { "type": "integer" },
                    "categories": {
                      "type": "array",
                      "items": { "type": "string" }
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/api/llms": {
      "get": {
        "operationId": "getSiteMetadata",
        "summary": "Get SanDeals agent discovery metadata",
        "description": "Returns site capabilities, categories, agent instructions, and API docs. Call this first if you need to understand SanDeals before searching.",
        "responses": {
          "200": {
            "description": "Site and API metadata for agents",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "additionalProperties": true
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "DealResult": {
        "type": "object",
        "properties": {
          "title": { "type": "string" },
          "href": {
            "type": "string",
            "format": "uri",
            "description": "URL to the deal / smart link"
          },
          "category": { "type": "string" },
          "summary": {
            "type": ["string", "null"]
          },
          "score": { "type": "number" },
          "source": {
            "type": "string",
            "enum": ["deals", "products"]
          }
        },
        "required": ["title", "href", "category"]
      },
      "Deal": {
        "type": "object",
        "properties": {
          "title": { "type": "string" },
          "href": { "type": "string" },
          "category": { "type": "string" },
          "summary": { "type": ["string", "null"] }
        }
      },
      "AgentSearchResponse": {
        "type": "object",
        "properties": {
          "ok": { "type": "boolean" },
          "query": { "type": "string" },
          "total": { "type": "integer" },
          "results": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/DealResult"
            }
          },
          "response": {
            "type": "string",
            "description": "Short human-readable summary of results"
          },
          "meta": {
            "type": "object",
            "properties": {
              "mode": { "type": "string" },
              "language": { "type": "string" },
              "response_time_ms": { "type": "integer" },
              "matched": { "type": "boolean" },
              "fallback": { "type": "boolean" }
            }
          }
        },
        "required": ["ok", "query", "total", "results"]
      },
      "ErrorResponse": {
        "type": "object",
        "properties": {
          "ok": { "type": "boolean" },
          "error": {
            "type": "object",
            "properties": {
              "code": { "type": "string" },
              "message": { "type": "string" }
            }
          },
          "results": {
            "type": "array",
            "items": {}
          },
          "total": { "type": "integer" }
        }
      }
    }
  }
}