{
  "openapi": "3.1.0",
  "info": {
    "title": "Wayback Reel API",
    "version": "1.0.0",
    "description": "Discover yearly Internet Archive Wayback Machine HTML snapshots and fetch CORS-safe historical webpage captures."
  },
  "servers": [
    {
      "url": "https://h3manth.com/fun/wayback-to-reel"
    }
  ],
  "paths": {
    "/api/timeline": {
      "get": {
        "operationId": "getWaybackTimeline",
        "summary": "List one verified Wayback Machine HTML snapshot per archived year",
        "parameters": [
          {
            "name": "url",
            "in": "query",
            "required": true,
            "schema": { "type": "string" },
            "description": "Target domain or URL, e.g. info.cern.ch"
          }
        ],
        "responses": {
          "200": {
            "description": "Chronological list of yearly snapshots",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "domain": { "type": "string" },
                    "lookupKey": { "type": "string" },
                    "count": { "type": "integer" },
                    "snapshots": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "properties": {
                          "year": { "type": "integer" },
                          "timestamp": { "type": "string" },
                          "dateLabel": { "type": "string" },
                          "isoDate": { "type": "string" },
                          "originalUrl": { "type": "string" },
                          "archiveUrl": { "type": "string" },
                          "iframeUrl": { "type": "string" }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/api/snapshot": {
      "get": {
        "operationId": "getWaybackSnapshotImage",
        "summary": "Render or retrieve a cached 1280x800 image of an archived Wayback snapshot",
        "parameters": [
          {
            "name": "timestamp",
            "in": "query",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "name": "url",
            "in": "query",
            "required": true,
            "schema": { "type": "string" }
          }
        ],
        "responses": {
          "200": {
            "description": "Rendered JPEG or PNG snapshot",
            "content": {
              "image/jpeg": {},
              "image/png": {}
            }
          }
        }
      }
    }
  }
}