{
  "openapi": "3.1.0",
  "info": {
    "title": "Voltara Web Studio API",
    "version": "1.0.0",
    "description": "Official programmatic API for Voltara Web Studio — automated website cost estimates, service tier information, client inquiry dispatch, and system health.",
    "contact": {
      "name": "Voltara Web Studio Lead Support",
      "url": "https://voltara.studio",
      "email": "contact@voltara.studio"
    }
  },
  "servers": [
    {
      "url": "https://voltara.studio/api",
      "description": "Production Server"
    }
  ],
  "paths": {
    "/health": {
      "get": {
        "summary": "Health Check",
        "description": "Check API availability and status.",
        "responses": {
          "200": {
            "description": "System healthy",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "status": { "type": "string", "example": "ok" },
                    "timestamp": { "type": "string", "format": "date-time" }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/estimate": {
      "post": {
        "summary": "Calculate Website Cost Estimate",
        "description": "Calculates real-time turnkey website development pricing in INR based on package tier, turnaround speed, and domain choice.",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "packageKey": {
                    "type": "string",
                    "enum": ["landing", "business", "ecommerce", "saas"],
                    "example": "landing"
                  },
                  "speed": {
                    "type": "string",
                    "enum": ["standard", "express", "economy"],
                    "default": "standard"
                  },
                  "domain": {
                    "type": "string",
                    "default": ".com"
                  }
                },
                "required": ["packageKey"]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Calculation result",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "package": { "type": "string" },
                    "basePriceINR": { "type": "number" },
                    "discountedPriceINR": { "type": "number" },
                    "speedMultiplier": { "type": "number" },
                    "timeline": { "type": "string" },
                    "freeInclusions": {
                      "type": "array",
                      "items": { "type": "string" }
                    },
                    "directWhatsAppUrl": { "type": "string" }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/services": {
      "get": {
        "summary": "List Website Packages",
        "description": "Returns full list of turnkey website packages, turnaround times, and feature inclusions.",
        "responses": {
          "200": {
            "description": "List of packages",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "tiers": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "properties": {
                          "id": { "type": "string" },
                          "name": { "type": "string" },
                          "basePriceINR": { "type": "number" },
                          "turnaround": { "type": "string" },
                          "features": {
                            "type": "array",
                            "items": { "type": "string" }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/leads": {
      "post": {
        "summary": "Submit Client Lead",
        "description": "Registers client interest and returns instant WhatsApp direct link formatted for transmission to Voltara team.",
        "security": [
          { "OAuth2": ["voltara:lead"] }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "clientName": { "type": "string", "example": "Dr. Sharma" },
                  "clientPhone": { "type": "string", "example": "+919876543210" },
                  "packageKey": { "type": "string", "example": "business" },
                  "notes": { "type": "string", "example": "Need dental clinic website with appointment booking" }
                },
                "required": ["clientName", "clientPhone", "packageKey"]
              }
            }
          }
        },
        "responses": {
          "201": {
            "description": "Lead registered",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "leadId": { "type": "string" },
                    "status": { "type": "string" },
                    "whatsappDirectUrl": { "type": "string" }
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "OAuth2": {
        "type": "oauth2",
        "flows": {
          "clientCredentials": {
            "tokenUrl": "https://voltara.studio/api/v1/oauth/token",
            "scopes": {
              "voltara:estimate": "Execute calculation algorithms",
              "voltara:lead": "Submit client leads"
            }
          }
        }
      }
    }
  }
}