Crawl4AI website screenshot

Crawl4AI

Crawl4AI is an open-source web crawling tool optimized for feeding web content into large language models.

Crawl4AI publishes 1 API on the APIs.io network. Tagged areas include AI Automation and Web Crawling.

Crawl4AI’s developer surface includes documentation and 3 more developer resources.

17.8/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
1 APIs
AI AutomationWeb Crawling

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 17.8/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 1.7 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 0.0 / 12
Discoverability 4.1 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/crawl4ai: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Crawl4AI

Crawl4AI is an open-source web crawling tool optimized for feeding web content into large language models.

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Crawl4Ai Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Crawl4Ai Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Access & Security 1

Authentication, authorization, and security posture

Company 2

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: crawl4ai
name: Crawl4AI
description: Crawl4AI is an open-source web crawling tool optimized for feeding web content into large language models.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/crawl4ai.png
tags:
- AI Automation
- Web Crawling
url: https://raw.githubusercontent.com/api-evangelist/crawl4ai/refs/heads/main/apis.yml
created: '2026-03-27'
modified: '2026-03-27'
specificationVersion: '0.19'
apis:
- aid: crawl4ai:crawl4ai
  name: Crawl4AI
  description: Crawl4AI is an open-source web crawling tool optimized for feeding web content into large language models.
  humanURL: https://crawl4ai.com
  tags:
  - AI Automation
  properties:
  - type: Documentation
    url: https://docs.crawl4ai.com
common:
- type: DomainSecurity
  url: security/crawl4ai-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/crawl4ai
- type: Website
  url: https://crawl4ai.com
- type: Documentation
  url: https://docs.crawl4ai.com
- type: Integrations
  url: https://docs.crawl4ai.com/marketplace/
integrations:
- name: Crawl4AI
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com