Event Types

Webhook event reference

Firecrawl sends webhook events at each stage of a job’s lifecycle, so you can track progress, capture results, and handle failures in real time without polling.

Quick Reference

Event	Trigger
crawl.started	Crawl job begins processing
crawl.page	A page is scraped during a crawl
crawl.completed	Crawl job finishes and all pages have been processed
batch_scrape.started	Batch scrape job begins processing
batch_scrape.page	A URL is scraped during a batch scrape
batch_scrape.completed	All URLs in the batch have been processed
extract.started	Extract job begins processing
extract.completed	Extraction finishes successfully
extract.failed	Extraction fails
agent.started	Agent job begins processing
agent.action	Agent executes a tool (scrape, search, etc.)
agent.completed	Agent finishes successfully
agent.failed	Agent encounters an error
agent.cancelled	Agent job is cancelled by the user
monitor.page	A monitored page scrape finishes
monitor.check.completed	Monitor check finishes and page-level changes are available

Payload Structure

All webhook events share this structure:

{
  "success": true,
  "type": "crawl.page",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [...],
  "metadata": {}
}

Field	Type	Description
success	boolean	Whether the operation succeeded
type	string	Event type (e.g. crawl.page)
id	string	Job ID
data	array or object	Event-specific data (see examples below)
metadata	object	Custom metadata from your webhook config
error	string	Error message (when success is false)

Crawl Events

crawl.started

Sent when the crawl job begins processing.

{
  "success": true,
  "type": "crawl.started",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [],
  "metadata": {}
}

crawl.page

Sent for each page scraped. The data array contains the page content and metadata.

{
  "success": true,
  "type": "crawl.page",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [
    {
      "markdown": "# Page content...",
      "metadata": {
        "title": "Page Title",
        "description": "Page description",
        "url": "https://example.com/page",
        "statusCode": 200,
        "contentType": "text/html",
        "scrapeId": "550e8400-e29b-41d4-a716-446655440001",
        "sourceURL": "https://example.com/page",
        "proxyUsed": "basic",
        "cacheState": "hit",
        "cachedAt": "2025-09-03T21:11:25.636Z",
        "creditsUsed": 1
      }
    }
  ],
  "metadata": {}
}

crawl.completed

Sent when the crawl job finishes and all pages have been processed.

{
  "success": true,
  "type": "crawl.completed",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [],
  "metadata": {}
}

Batch Scrape Events

batch_scrape.started

Sent when the batch scrape job begins processing.

{
  "success": true,
  "type": "batch_scrape.started",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [],
  "metadata": {}
}

batch_scrape.page

Sent for each URL scraped. The data array contains the page content and metadata.

{
  "success": true,
  "type": "batch_scrape.page",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [
    {
      "markdown": "# Page content...",
      "metadata": {
        "title": "Page Title",
        "description": "Page description",
        "url": "https://example.com",
        "statusCode": 200,
        "contentType": "text/html",
        "scrapeId": "550e8400-e29b-41d4-a716-446655440001",
        "sourceURL": "https://example.com",
        "proxyUsed": "basic",
        "cacheState": "miss",
        "cachedAt": "2025-09-03T23:30:53.434Z",
        "creditsUsed": 1
      }
    }
  ],
  "metadata": {}
}

batch_scrape.completed

Sent when all URLs in the batch have been processed.

{
  "success": true,
  "type": "batch_scrape.completed",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [],
  "metadata": {}
}

Monitor Events

monitor.page

Sent as each monitored page scrape finishes. This event is emitted from the scrape worker path, so it arrives before the full monitor check is reconciled.

monitor.page

{
  "success": true,
  "type": "monitor.page",
  "id": "019df960-5f2a-75fb-a98b-bd2d32ca67d4",
  "webhookId": "f1e2d3c4-0000-0000-0000-000000000000",
  "data": [
    {
      "monitorId": "019df960-06e7-7383-9d89-82c0113dc31a",
      "checkId": "019df960-5f2a-75fb-a98b-bd2d32ca67d4",
      "url": "https://example.com/blog",
      "status": "changed",
      "previousScrapeId": "019df94f-82c3-7e41-81f0-00c72b2d9c52",
      "currentScrapeId": "019df960-73ee-7ac2-97a9-fb0e442c21f1",
      "error": null,
      "isMeaningful": true,
      "judgment": {
        "meaningful": true,
        "confidence": "high",
        "reason": "The page headline changed to announce a new release cadence.",
        "meaningfulChanges": [
          {
            "type": "changed",
            "before": "Welcome to our weekly update.",
            "after": "Welcome to our weekly update — now with daily releases!",
            "reason": "The headline changed in a way that matches the monitor goal."
          }
        ]
      },
      "diff": {
        "text": "--- previous\n+++ current\n@@ -1,3 +1,3 @@\n # Latest posts\n-Welcome to our weekly update.\n+Welcome to our weekly update — now with daily releases!\n"
      }
    }
  ],
  "metadata": {
    "environment": "production"
  }
}

monitor.check.completed

Sent when a monitor check finishes. The data object contains check status and summary counts. Page-level results are only sent through monitor.page events or returned from the monitor check API.

monitor.check.completed

{
  "success": true,
  "type": "monitor.check.completed",
  "id": "019df960-5f2a-75fb-a98b-bd2d32ca67d4",
  "webhookId": "f1e2d3c4-0001-0000-0000-000000000000",
  "data": [
    {
      "monitorId": "019df960-06e7-7383-9d89-82c0113dc31a",
      "checkId": "019df960-5f2a-75fb-a98b-bd2d32ca67d4",
      "status": "completed",
      "summary": {
        "totalPages": 2,
        "same": 1,
        "changed": 1,
        "new": 0,
        "removed": 0,
        "error": 0
      }
    }
  ],
  "metadata": {
    "environment": "production"
  }
}

success is true when the check completed without page errors. For partial or failed checks, success is false and error may contain a message.

Extract Events

extract.started

Sent when the extract job begins processing.

{
  "success": true,
  "type": "extract.started",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [],
  "metadata": {}
}

extract.completed

Sent when extraction finishes successfully. The data array contains the extracted data and usage info.

{
  "success": true,
  "type": "extract.completed",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [
    {
      "success": true,
      "data": { "siteName": "Example Site", "category": "Technology" },
      "extractId": "550e8400-e29b-41d4-a716-446655440000",
      "llmUsage": 0.0020118,
      "totalUrlsScraped": 1,
      "sources": {
        "siteName": ["https://example.com"],
        "category": ["https://example.com"]
      }
    }
  ],
  "metadata": {}
}

extract.failed

Sent when extraction fails. The error field contains the failure reason.

{
  "success": false,
  "type": "extract.failed",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [],
  "error": "Failed to extract data: timeout exceeded",
  "metadata": {}
}

Agent Events

agent.started

Sent when the agent job begins processing.

{
  "success": true,
  "type": "agent.started",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [],
  "metadata": {}
}

agent.action

Sent after each tool execution (scrape, search, etc.).

{
  "success": true,
  "type": "agent.action",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [
    {
      "creditsUsed": 5,
      "action": "mcp__tools__scrape",
      "input": {
        "url": "https://example.com"
      }
    }
  ],
  "metadata": {}
}

The creditsUsed value in action events is an estimate of the total credits used so far. The final accurate credit count is only available in the completed, failed, or cancelled events.

agent.completed

Sent when the agent finishes successfully. The data array contains the extracted data and total credits used.

{
  "success": true,
  "type": "agent.completed",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [
    {
      "creditsUsed": 15,
      "data": {
        "company": "Example Corp",
        "industry": "Technology",
        "founded": 2020
      }
    }
  ],
  "metadata": {}
}

agent.failed

Sent when the agent encounters an error. The error field contains the failure reason.

{
  "success": false,
  "type": "agent.failed",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [
    {
      "creditsUsed": 8
    }
  ],
  "error": "Max credits exceeded",
  "metadata": {}
}

agent.cancelled

Sent when the agent job is cancelled by the user.

{
  "success": false,
  "type": "agent.cancelled",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "data": [
    {
      "creditsUsed": 3
    }
  ],
  "metadata": {}
}

Event Filtering

By default, you receive all events. To subscribe to specific events only, use the events array in your webhook config:

{
  "url": "https://your-app.com/webhook",
  "events": ["completed", "failed"]
}

This is useful if you only care about job completion and don’t need per-page updates.