CrawlGraph website screenshot

CrawlGraph

CrawlGraph is a backlink-intelligence SaaS built on Common Crawl's open hyperlink graph (121.1M domains / 3.90B domain-level links), positioned as a low-cost alternative to Ahrefs, Moz, Semrush and Majestic. It offers referring-domain lookups with authority scoring, competitor gap analysis, warm outreach-target discovery, and cross-release change comparison. The product ships an unusually complete developer surface for a solo-operator SaaS: a public OpenAPI 3.1 contract, a self-serve free API tier (15 backlink calls a month, no card), a hosted remote MCP server whose tools publish both input and output schemas, an open-source local MCP package on npm, a published llms.txt, and open CC-BY study datasets. It is operated by Search Engine Wizards in Finland and priced as a one-time $99 lifetime licence rather than a subscription.

CrawlGraph publishes 6 API contracts indexed on the APIs.io network, including Backlinks API, Changes API, Free Key API, and 3 more. Tagged areas include SEO, backlink-intelligence, MarTech, Competitive Intelligence, and Web Data.

The CrawlGraph catalog on APIs.io includes 1 Spectral governance ruleset.

CrawlGraph’s developer surface includes documentation, API reference, getting-started guide, engineering blog, authentication, code examples, pricing, and 31 more developer resources.

57.1/100 strong ▬ flat Agent 38/100 agent ready Front door AI 1/6 silent Heartbeat 100/100 alive Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →
AccessFreemiumSelf serveFree trial⚡ Free to try
2 published contracts 1 MCP Servers 4 Agent Skills
SEObacklink-intelligenceMarTechCompetitive IntelligenceWeb DataCommon-CrawlLink BuildingDeveloper ToolsMCP

What this lets a business do 1

Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →

Marketing Management
BC-400
Backlinks
POST /api/v1/backlinks

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0
Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.
Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.
The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.
Show this score on your site. Kin Score badge preview for CrawlGraph It updates itself when the score changes. Paste this where you link to your API docs:
<a href="https://apis.io/providers/crawlgraph/"><img src="https://apis.io/badge/crawlgraph/card.svg" alt="CrawlGraph on APIs.io — Kin Score by API Evangelist"></a>
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Raise your score.
Agent readiness — checks not met, largest first (exact, from this profile):
  • Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
  • A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
  • Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document
  • Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented)
  • Typed Event Surface +6 pts — AsyncAPI document, OR webhooks/callbacks objects in the as-published OpenAPI, OR common[].type includes Webhooks
  • Documented Reversibility +6 pts — a reversal operation in the contract, graded up when a window is documented too
5 more unmet checks in the Agent Readiness table above.
Kin Score — facets with the most composite points still available (weight × headroom):
Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/crawlgraph/apis.yml: open an issue on github.com/api-evangelist/crawlgraph to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 2

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

measured — observed by APIs.io (verified)
measured — observed by APIs.io (published)

APIs 6

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

CrawlGraph MCP Server

Hosted remote Model Context Protocol server at https://crawlgraph.com/mcp over Streamable HTTP, plus an open-source local stdio fallback published to npm as crawlgraph-mcp (MIT)...

CrawlGraph Backlinks API

The Backlinks API from CrawlGraph — 1 operation(s) for backlinks.

CrawlGraph Changes API

The Changes API from CrawlGraph — 1 operation(s) for changes.

CrawlGraph Free Key API

The Free Key API from CrawlGraph — 1 operation(s) for free key.

CrawlGraph Gap Analysis API

The Gap Analysis API from CrawlGraph — 2 operation(s) for gap analysis.

CrawlGraph Releases API

The Releases API from CrawlGraph — 1 operation(s) for releases.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

CrawlGraph

OPEN COLLECTION

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

CrawlGraph MCP Server

Remote MCP server at crawlgraph.com requiring an API key; 4 tools listed.

MCP SERVER

Agent Skills 4

Packaged agent skills for driving this provider's APIs from an AI assistant.

CrawlGraph API pricing

Prices published by CrawlGraph, read 2026-10-28 from crawlgraph.com/#pricing.

PlanPrice
Monthly $19/ month
Includes: up to 100,000 referring domains per lookup; gap analysis with up to 4 competitors; 2 queryable Commo
Lifetime $99 lifetime for the first 50 customers, then $149
Includes: lifetime access; never renews
Free backlink preview free backlink preview
Includes: 5 referring domains, no signup or credit card
optional seo fix (addon) $5/ month
Includes: one prioritized seo task each month; requires paid core access

Plan details, limits and sources →

Rate limits

All 4 limits →

Billed by: account · FinOps profile →

Pricing Plans 2

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Crawlgraph Rate Limits

4 limits

RATE LIMITS

Service Levels 1

Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.

FinOps 1

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

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

CrawlGraph API Rules

48 rules · 44 errors 1 warnings 3 info

SPECTRAL

OpenAPI Overlays 1

Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.

Crawlgraph V1 Overlay

16 actions · servers · openapi.json

DERIVED

Security Posture 3

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

Crawlgraph Authentication

http · 1 scheme

SECURITY

Crawlgraph Domain Security

TLSv1.3 · HSTS

SECURITY

Crawlgraph Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Crawlgraph Agentic Access

6 operations · 3 acting

6 operations · 3 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

Documentation 3

Reference material describing how the API behaves

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Build 5

SDKs, sample code, and the tooling you integrate with

Access & Security 5

Authentication, authorization, and security posture

Operate 2

Status, limits, changes, and where to get help

Commercial 5

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Other 2

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
deliveryModel:
  model: unknown
  open_source: unknown
  commercial: true
  callable_host: true
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - openapi
  - pricing
  - repository-unlicensed
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: true
  try_now: true
  public: true
  label: Free tier · Self-serve signup · $99 lifetime
  confidence: high
  source:
  - plans
  - authentication
  - rate-limits
  generated: '2026-08-13'
  method: searched
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/crawlgraph.png
name: CrawlGraph
description: 'CrawlGraph is a backlink-intelligence SaaS built on Common Crawl''s open hyperlink graph (121.1M domains / 3.90B
  domain-level links), positioned as a low-cost alternative to Ahrefs, Moz, Semrush and Majestic. It offers referring-domain
  lookups with authority scoring, competitor gap analysis, warm outreach-target discovery, and cross-release change comparison.
  The product ships an unusually complete developer surface for a solo-operator SaaS: a public OpenAPI 3.1 contract, a self-serve
  free API tier (15 backlink calls a month, no card), a hosted remote MCP server whose tools publish both input and output
  schemas, an open-source local MCP package on npm, a published llms.txt, and open CC-BY study datasets. It is operated by
  Search Engine Wizards in Finland and priced as a one-time $99 lifetime licence rather than a subscription.'
url: https://raw.githubusercontent.com/api-evangelist/crawlgraph/refs/heads/main/apis.yml
created: '2026-07-03'
modified: '2026-10-06'
specificationVersion: '0.23'
tags:
- SEO
- backlink-intelligence
- MarTech
- Competitive Intelligence
- Web Data
- Common-Crawl
- Link Building
- Developer Tools
- MCP
tags_raw:
- SEO
- backlink-intelligence
- martech
- competitive-intelligence
- web-data
- Common-Crawl
- link-building
- developer-tools
- API
- MCP
apis:
- name: CrawlGraph MCP Server
  description: 'Hosted remote Model Context Protocol server at https://crawlgraph.com/mcp over Streamable HTTP, plus an open-source
    local stdio fallback published to npm as crawlgraph-mcp (MIT). Four tools — backlinks, gap_analysis, gap_outreach_targets,
    releases — each publishing a JSON Schema inputSchema AND outputSchema with behavioural annotations. tools/list answers
    anonymously; tool invocation uses the same cg_live_ bearer key and the same monthly quotas as the REST API. The gap_outreach_targets
    tool is MCP-value-added: it orchestrates the async gap job, tiers results by competitor overlap, filters platform/CDN
    noise, and authority-scores the top targets.'
  humanURL: https://crawlgraph.com/docs/api
  baseURL: https://crawlgraph.com/mcp
  tags:
  - MCP
  - Agents
  - SEO
  - backlink-intelligence
  - Developer Tools
  tags_raw:
  - MCP
  - agents
  - SEO
  - backlink-intelligence
  - developer-tools
  properties:
  - type: MCPServer
    url: mcp/crawlgraph-mcp.yml
  - type: ToolCrosswalk
    url: mcp/crawlgraph-tool-crosswalk.yml
  - type: Documentation
    url: https://crawlgraph.com/docs/api
  - type: SourceCode
    url: https://github.com/pucilpet/crawlgraph-mcp
- aid: crawlgraph:crawlgraph-backlinks-api
  name: CrawlGraph Backlinks API
  description: The Backlinks API from CrawlGraph — 1 operation(s) for backlinks.
  humanURL: https://crawlgraph.com/docs/api
  baseURL: https://crawlgraph.com/mcp
  tags:
  - Backlinks
  properties:
  - type: OpenAPI
    url: openapi/crawlgraph-backlinks-api-openapi.yml
  - type: Documentation
    url: https://crawlgraph.com/docs/api
  - type: APIReference
    url: https://crawlgraph.com/docs/api
  - type: Authentication
    url: authentication/crawlgraph-authentication.yml
  - type: Conventions
    url: conventions/crawlgraph-conventions.yml
  - type: ErrorCatalog
    url: errors/crawlgraph-problem-types.yml
  - type: DataModel
    url: data-model/crawlgraph-data-model.yml
  - type: RateLimits
    url: rate-limits/crawlgraph-rate-limits.yml
  - type: Examples
    url: examples/crawlgraph-v1-examples.yml
  - type: LLMsTxt
    url: https://crawlgraph.com/llms.txt
- aid: crawlgraph:crawlgraph-changes-api
  name: CrawlGraph Changes API
  description: The Changes API from CrawlGraph — 1 operation(s) for changes.
  humanURL: https://crawlgraph.com/docs/api
  baseURL: https://crawlgraph.com/mcp
  tags:
  - Changes
  properties:
  - type: OpenAPI
    url: openapi/crawlgraph-changes-api-openapi.yml
  - type: Documentation
    url: https://crawlgraph.com/docs/api
  - type: APIReference
    url: https://crawlgraph.com/docs/api
  - type: Authentication
    url: authentication/crawlgraph-authentication.yml
  - type: Conventions
    url: conventions/crawlgraph-conventions.yml
  - type: ErrorCatalog
    url: errors/crawlgraph-problem-types.yml
  - type: DataModel
    url: data-model/crawlgraph-data-model.yml
  - type: RateLimits
    url: rate-limits/crawlgraph-rate-limits.yml
  - type: Examples
    url: examples/crawlgraph-v1-examples.yml
  - type: LLMsTxt
    url: https://crawlgraph.com/llms.txt
- aid: crawlgraph:crawlgraph-free-key-api
  name: CrawlGraph Free Key API
  description: The Free Key API from CrawlGraph — 1 operation(s) for free key.
  humanURL: https://crawlgraph.com/docs/api
  baseURL: https://crawlgraph.com/mcp
  tags:
  - Free Key
  properties:
  - type: OpenAPI
    url: openapi/crawlgraph-free-key-api-openapi.yml
  - type: Documentation
    url: https://crawlgraph.com/docs/api
  - type: APIReference
    url: https://crawlgraph.com/docs/api
  - type: Authentication
    url: authentication/crawlgraph-authentication.yml
  - type: Conventions
    url: conventions/crawlgraph-conventions.yml
  - type: ErrorCatalog
    url: errors/crawlgraph-problem-types.yml
  - type: DataModel
    url: data-model/crawlgraph-data-model.yml
  - type: RateLimits
    url: rate-limits/crawlgraph-rate-limits.yml
  - type: Examples
    url: examples/crawlgraph-v1-examples.yml
  - type: LLMsTxt
    url: https://crawlgraph.com/llms.txt
- aid: crawlgraph:crawlgraph-gap-analysis-api
  name: CrawlGraph Gap Analysis API
  description: The Gap Analysis API from CrawlGraph — 2 operation(s) for gap analysis.
  humanURL: https://crawlgraph.com/docs/api
  baseURL: https://crawlgraph.com/mcp
  tags:
  - Gap Analysis
  properties:
  - type: OpenAPI
    url: openapi/crawlgraph-gap-analysis-api-openapi.yml
  - type: Documentation
    url: https://crawlgraph.com/docs/api
  - type: APIReference
    url: https://crawlgraph.com/docs/api
  - type: Authentication
    url: authentication/crawlgraph-authentication.yml
  - type: Conventions
    url: conventions/crawlgraph-conventions.yml
  - type: ErrorCatalog
    url: errors/crawlgraph-problem-types.yml
  - type: DataModel
    url: data-model/crawlgraph-data-model.yml
  - type: RateLimits
    url: rate-limits/crawlgraph-rate-limits.yml
  - type: Examples
    url: examples/crawlgraph-v1-examples.yml
  - type: LLMsTxt
    url: https://crawlgraph.com/llms.txt
- aid: crawlgraph:crawlgraph-releases-api
  name: CrawlGraph Releases API
  description: The Releases API from CrawlGraph — 1 operation(s) for releases.
  humanURL: https://crawlgraph.com/docs/api
  baseURL: https://crawlgraph.com/mcp
  tags:
  - Releases
  properties:
  - type: OpenAPI
    url: openapi/crawlgraph-releases-api-openapi.yml
  - type: Documentation
    url: https://crawlgraph.com/docs/api
  - type: APIReference
    url: https://crawlgraph.com/docs/api
  - type: Authentication
    url: authentication/crawlgraph-authentication.yml
  - type: Conventions
    url: conventions/crawlgraph-conventions.yml
  - type: ErrorCatalog
    url: errors/crawlgraph-problem-types.yml
  - type: DataModel
    url: data-model/crawlgraph-data-model.yml
  - type: RateLimits
    url: rate-limits/crawlgraph-rate-limits.yml
  - type: Examples
    url: examples/crawlgraph-v1-examples.yml
  - type: LLMsTxt
    url: https://crawlgraph.com/llms.txt
maintainers:
- FN: Petteri Pucilowski (pucilpet)
  email: petteri@searchenginewizards.fi
  url: https://github.com/pucilpet
  organization: Search Engine Wizards
generated:
  by: apis.io/add
  model: claude-opus-4-8
  confidence: 85
  at: '2026-07-03T11:50:54.356Z'
common:
- url: https://crawlgraph.com/feed.xml
  type: BlogRSS
- type: CapabilityMap
  url: capabilities/crawlgraph-capability-edges.yml
  name: CrawlGraph Business Capability Map
- type: Website
  url: https://www.crawlgraph.com/
- type: AgenticAccess
  url: agentic-access/crawlgraph-agentic-access.yml
- type: License
  name: MIT
  url: https://github.com/pucilpet/crawlgraph-mcp/blob/master/LICENSE
- type: DeveloperPortal
  url: https://crawlgraph.com/docs/api
- type: Documentation
  url: https://crawlgraph.com/docs/api
- type: APIReference
  url: https://crawlgraph.com/docs/api
- type: GettingStarted
  url: https://crawlgraph.com/docs/api
- type: Blog
  url: https://crawlgraph.com/blog
- type: SourceCode
  url: https://github.com/pucilpet/crawlgraph-mcp
- type: Login
  url: https://crawlgraph.com/login
- type: TermsOfService
  url: https://crawlgraph.com/terms
- type: PrivacyPolicy
  url: https://crawlgraph.com/privacy
- type: OpenAPI
  url: openapi/crawlgraph-v1-api-openapi.yml
- type: MCPServer
  url: mcp/crawlgraph-mcp.yml
- type: ToolCrosswalk
  url: mcp/crawlgraph-tool-crosswalk.yml
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: llms/crawlgraph-llms.txt
- type: WellKnown
  url: well-known/crawlgraph-well-known.yml
- type: SecurityTxt
  url: well-known/crawlgraph-security.txt
- type: Security
  url: security/crawlgraph-vulnerability-disclosure.yml
- type: VulnerabilityDisclosure
  url: security/crawlgraph-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/crawlgraph-domain-security.yml
- type: Authentication
  url: authentication/crawlgraph-authentication.yml
- type: Conventions
  url: conventions/crawlgraph-conventions.yml
- type: ErrorCatalog
  url: errors/crawlgraph-problem-types.yml
- type: DataModel
  url: data-model/crawlgraph-data-model.yml
- type: RateLimits
  url: rate-limits/crawlgraph-rate-limits.yml
- type: Plans
  url: plans/crawlgraph-plans-pricing.yml
- type: Lifecycle
  url: lifecycle/crawlgraph-lifecycle.yml
- type: Conformance
  url: conformance/crawlgraph-conformance.yml
- type: Packages
  url: packages/crawlgraph-packages.yml
- type: Overlay
  url: overlays/crawlgraph-v1-overlay.yaml
- type: Examples
  url: examples/crawlgraph-v1-examples.yml
- type: Pricing
  url: https://crawlgraph.com/#pricing
- type: GitHubOrganization
  url: https://github.com/pucilpet
- type: Deprecation
  url: lifecycle/crawlgraph-lifecycle.yml
x-enrichment:
  date: '2026-09-02'
  status: enriched
  artifacts_added: 3
  artifacts_updated: 16
  pass: local-v1
  previous:
  - date: '2026-08-13'
    status: enriched
    artifacts_added: 25
x-coverage:
  state: covered

CrawlGraph API — frequently asked questions

Does CrawlGraph have an API?

Yes. APIs.io lists 6 APIs from CrawlGraph, including CrawlGraph MCP Server, CrawlGraph Backlinks API and CrawlGraph Changes API, and 3 more.

Is there an OpenAPI specification for the CrawlGraph API?

Yes. APIs.io indexes 5 OpenAPI specifications for CrawlGraph, each linked for download from this page.

How do I authenticate with the CrawlGraph API?

CrawlGraph uses bearer-token authentication (http · 1 scheme). The details are profiled on APIs.io as Crawlgraph Authentication.

How much does the CrawlGraph API cost?

CrawlGraph publishes its prices; its Monthly plan is $19/ month as of 2026-10-28. APIs.io lists 4 pricing plans for CrawlGraph, with each plan's price, limits and inclusions under Pricing on this page.

Does CrawlGraph have an MCP server?

Yes. APIs.io lists 1 MCP server for CrawlGraph: Remote MCP server at crawlgraph.com requiring an API key; 4 tools listed.

Is the CrawlGraph API ready for AI agents?

CrawlGraph has a Kin Score of 57.1 out of 100 (strong) and an Agent Readiness score of 37.7 (agent-ready), scored by API Evangelist on 2026-11-06.

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

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  • get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
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  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
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