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Where the information came from. Everything here is assembled from material a member of the public can reach with a browser and no credentials — the company's own website, developer portal and documentation, the specifications it publishes for public use (OpenAPI, AsyncAPI, JSON Schema,
apis.json,llms.txtand similar), its public repositories, and its public status, pricing and changelog pages. Nothing here is obtained by breaching a system, defeating an access control, or using credentials of any kind.The rating is an independent assessment. The Kin Score and Agent Readiness rating are independently calculated scores of a company's public API artifacts, produced by API Evangelist against a published rubric. They are not certifications, endorsements, security assessments, or audits, and they score published artifacts — not the quality, safety, or security of the software.
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Full detail: Where this data comes from
WebCrawlerAPI is a web crawling and scraping API from 103 Labs (Netherlands) that turns websites into clean, LLM-ready markdown, cleaned text, HTML or link lists for AI agents, support bots and RAG pipelines. It offers asynchronous multi-page crawl jobs (POST /v1/crawl with polling or webhooks), single-page scraping (POST /v2/scrape, sync or async, with prompt-based structured outputs validated against a JSON Schema), scheduled change-detection Feeds delivered as Atom 1.0, JSON Feed 1.1 or webhooks, a prompt-driven autonomous crawling agent with a required per-run spend cap, and organization usage/balance endpoints. Requests authenticate with a Bearer API key; usage is metered per successfully crawled page on a $0/month pay-as-you-go tier or $29/$99/$499 monthly plans, with 7-day caching (cache hits free). Published surfaces: a Swagger 2.0 document behind a live Swagger UI, an Agent API OpenAPI 3.0.3, an A2A agent card and RFC 9727 API catalog at /.well-known/, llms.txt, SDKs for JavaScript, Python, PHP, .NET and Java, an npm MCP server (local stdio), the webcr CLI, a Claude Code Agent Skill, a public Postman collection and a dated changelog.
Areas: Web Scraping · Web Crawling · Data Extraction · Markdown · AI Agents · LLM · RAG · Web Feeds · Change Detection · Structured Data · MCP · A2A
Everything profiled for WebCrawlerAPI is published on APIs.io rather than in this repository. Start at the provider page — apis.io/providers/webcrawlerapi-com/ — or go straight to one of the APIs or properties below.
- WebCrawlerAPI MCP Server — Official Model Context Protocol server distributed as the npm package webcrawler-mcp (npx -y webcrawler-mcp) and run locally over stdio - or self-hosted…
- WebCrawlerAPI Agent Card — A2A-style agent card served from https://webcrawlerapi.com/.well-known/agent-card.json describing "WebCrawlerAPI Agent" (version 1.0.0) with three skills -…
- WebCrawlerAPI Agent API — The Agent API from WebCrawlerAPI — 3 operation(s) for agent.
- WebCrawlerAPI Feeds API — The Feeds API from WebCrawlerAPI — 9 operation(s) for feeds.
- WebCrawlerAPI Jobs API — The Jobs API from WebCrawlerAPI — 6 operation(s) for jobs.
- WebCrawlerAPI Organization API — The Organization API from WebCrawlerAPI — 1 operation(s) for organization.
- WebCrawlerAPI Status API — The Status API from WebCrawlerAPI — 2 operation(s) for status.
- WebCrawlerAPI V2 Scraping API — The V2 Scraping API from WebCrawlerAPI — 2 operation(s) for v2 scraping.
Each property below is a page on APIs.io carrying the machine-readable artifact and what it says.
Event-driven and webhook contracts.
Model Context Protocol servers that expose the API to agents.
OpenAPI overlays, including conversational phrasing for each operation.
Authentication, trust centre, and vulnerability disclosure.
Published plans, tiers and prices.
Published request limits.
Links to the company's own pages. This repository publishes no copy of their specifications — the canonical document is theirs and lives at the URLs below.
- Website
- Documentation
- Getting started
- API reference
- Pricing
- Sign up
- Changelog
- Blog
- Terms of service
- Privacy policy
- GitHub
- Status
Kin Score 64.6 — strong · rubric 0.25.0 · scored 2026-10-23
| Facet | Score |
|---|---|
| Discoverability | 88.3 |
| Contract quality | 57.2 |
| Contract governance | 18.2 |
| Operational transparency | 44.7 |
| Developer ergonomics | 83.3 |
| Access clarity | 76.3 |
Agent readiness 43.0 — agent-ready (gated down from agent-native)
| Agent-readiness dimension | Result |
|---|---|
| Spec Presence | yes |
| Agentic Access | — |
| Reversibility Documented | documented (partial credit) |
| MCP Server | documented (partial credit) |
| Auth Clarity | bearer (partial credit) |
| Idempotency | — |
| Error Semantics | verified |
| OpenAPI Examples | — |
| Rate Limit Signal | documented (partial credit) |
| Event Surface Described | yes |
| Agent Skills | yes |
| Well Known Catalog | yes |
| Consent Identity | — |
| Agent Card | — |
| Dry Run Mode | — |
| Delegated Identity | — |
| Protected Resource Metadata | — |
| Dynamic Client Registration | — |
| Agentic Commerce | — |
| Pagination Ratio | paginated |
| Operation Distinctiveness | distinct |
Regulatory alignment 30.0 — Horizontal (data, software, accessibility, platform)
The rubric is published at github.com/api-evangelist/kin-score. The per-check breakdown behind these numbers — which checks were earned, partial or missed — along with score history and how this provider compares to its peers, is available at apis.io/providers/webcrawlerapi-com/.
API Evangelist profiles a company's public API surface the way a developer would find it: the website, developer portal and documentation, the specifications it publishes, its public repositories, and its pricing, status and changelog pages. From that it derives the properties above — contracts split per API, workflows, schemas, collections, governance rules, plans and rate limits — and scores them against the published Kin Score rubric.
The artifacts are published on APIs.io, not in this repository. This repository is the public record for WebCrawlerAPI: the place to say something is wrong, missing or out of date, and to ask for a re-score or a removal.
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