{
  "openapi": "3.1.0",
  "info": {
    "title": "IzhImpro Lead Form API",
    "summary": "Public lead form submission endpoint used by the IzhImpro website.",
    "description": "Accepts trial lesson, course, and corporate workshop lead submissions from the public website.",
    "version": "2026-06-11"
  },
  "servers": [
    {
      "url": "https://dark-brook-67a3.islamov-marat.workers.dev/"
    }
  ],
  "paths": {
    "/": {
      "post": {
        "operationId": "submitLeadForm",
        "summary": "Submit a lead form",
        "description": "Creates a lead submission for trial lessons, courses, and corporate workshop requests.",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/LeadSubmission"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Lead submission accepted.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/LeadSubmissionResponse"
                }
              }
            }
          },
          "400": {
            "description": "Invalid request payload."
          },
          "500": {
            "description": "Unexpected server error."
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "LeadSubmission": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "fio",
          "tel",
          "comment"
        ],
        "properties": {
          "fio": {
            "type": "string",
            "description": "Full name provided by the visitor.",
            "minLength": 1
          },
          "tel": {
            "type": "string",
            "description": "Phone number provided by the visitor.",
            "minLength": 1
          },
          "comment": {
            "type": "string",
            "description": "Free-form request details and source form metadata.",
            "minLength": 1
          }
        }
      },
      "LeadSubmissionResponse": {
        "type": "object",
        "additionalProperties": true,
        "required": [
          "success"
        ],
        "properties": {
          "success": {
            "type": "boolean",
            "const": true
          }
        }
      }
    }
  }
}