Fathom Analytics

Fathom Analytics is a privacy-first website analytics platform that provides GDPR-compliant, cookie-free analytics as an alternative to Google Analytics. The platform serves thousands of companies, including Fortune 100 enterprises and government agencies, offering simple and accurate traffic metrics without tracking personally identifiable information. Fathom exposes a REST API with base URL https://api.usefathom.com/v1, enabling developers to manage sites, events, and milestones, generate aggregated custom reports, and retrieve real-time visitor counts. Authentication is via Bearer token API keys, which are generated in the account settings area and support configurable permissions scoped to admin, all sites, or individual sites.

Fathom Analytics publishes 5 APIs on the APIs.io network, including Account API, Events API, Milestones API, and 2 more. Tagged areas include Analytics, Privacy, GDPR, Website Analytics, and Cookieless.

The Fathom Analytics catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Fathom Analytics’ developer surface includes authentication, documentation, engineering blog, changelog, pricing, and 18 more developer resources.

🌐 Visit website 📡 Source on GitHub

60.0/100 strong ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessPaidSelf serveFree trial⚡ Free to try

5 APIs

AnalyticsPrivacyGDPRWebsite AnalyticsCookielessPage ViewsEventsReporting

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 60.0/100 · strong

Contract Quality 17.4 / 25

Developer Ergonomics 6.5 / 20

Commercial Clarity 11.6 / 20

Operational Transparency 8.9 / 13

Governance 8.3 / 12

Discoverability 7.4 / 10

Agent readiness — 31/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

MCP Server 0 / 12

Machine-Readable Auth 10 / 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/fathom: 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 5

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

Rate Limits 1

Documented rate limits and quota policies.

Fathom Rate Limits

3 limits

RATE LIMITS

FinOps 1

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

JSON Schema 4

Standalone JSON Schema definitions for this provider's data models.

Examples 5

Example request and response payloads for these APIs.

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIDocumentation

APIDocumentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Vocabulary

Vocabulary

JSONLDContext

JSONLDContext

Build 2

SDKs, sample code, and the tooling you integrate with

PostmanWorkspace

PostmanWorkspace

GitHubOrganization

GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

TrustCenter

TrustCenter

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 4

Status, limits, changes, and where to get help

ChangeLog

ChangelogFeed

StatusPage

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

Plans

Plans

FinOps

FinOps

Company 5

The organization behind the API

Website

Website

Blog

Blog

BlogFeed

BlogFeed

LinkedIn

BlogFeedJSON

BlogFeedJSON

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

aid: fathom
name: Fathom Analytics
description: 'Fathom Analytics is a privacy-first website analytics platform that provides GDPR-compliant, cookie-free analytics
  as an alternative to Google Analytics. The platform serves thousands of companies, including Fortune 100 enterprises and
  government agencies, offering simple and accurate traffic metrics without tracking personally identifiable information.
  Fathom exposes a REST API with base URL https://api.usefathom.com/v1, enabling developers to manage sites, events, and milestones,
  generate aggregated custom reports, and retrieve real-time visitor counts. Authentication is via Bearer token API keys,
  which are generated in the account settings area and support configurable permissions scoped to admin, all sites, or individual
  sites.

  '
type: Index
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: true
  try_now: true
  public: false
  label: Paid (free trial) · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/fathom.png
tags:
- Analytics
- Privacy
- GDPR
- Website Analytics
- Cookieless
- Page Views
- Events
- Reporting
url: https://raw.githubusercontent.com/api-evangelist/fathom/refs/heads/main/apis.yml
created: '2026-06-12'
modified: '2026-06-12'
specificationVersion: '0.19'
apis:
- aid: fathom:fathom-account-api
  name: Fathom Analytics Account API
  description: Account information
  humanURL: https://usefathom.com/api
  baseURL: https://api.usefathom.com/v1
  tags:
  - Account
  properties:
  - type: OpenAPI
    url: openapi/fathom-account-api-openapi.yml
  - type: Documentation
    url: https://usefathom.com/api
- aid: fathom:fathom-events-api
  name: Fathom Analytics Events API
  description: Event management per site
  humanURL: https://usefathom.com/api
  baseURL: https://api.usefathom.com/v1
  tags:
  - Events
  properties:
  - type: OpenAPI
    url: openapi/fathom-events-api-openapi.yml
  - type: Documentation
    url: https://usefathom.com/api
- aid: fathom:fathom-milestones-api
  name: Fathom Analytics Milestones API
  description: Milestone management per site
  humanURL: https://usefathom.com/api
  baseURL: https://api.usefathom.com/v1
  tags:
  - Milestones
  properties:
  - type: OpenAPI
    url: openapi/fathom-milestones-api-openapi.yml
  - type: Documentation
    url: https://usefathom.com/api
- aid: fathom:fathom-reports-api
  name: Fathom Analytics Reports API
  description: Aggregation reports and current visitor counts
  humanURL: https://usefathom.com/api
  baseURL: https://api.usefathom.com/v1
  tags:
  - Reports
  properties:
  - type: OpenAPI
    url: openapi/fathom-reports-api-openapi.yml
  - type: Documentation
    url: https://usefathom.com/api
- aid: fathom:fathom-sites-api
  name: Fathom Analytics Sites API
  description: Site management
  humanURL: https://usefathom.com/api
  baseURL: https://api.usefathom.com/v1
  tags:
  - Sites
  properties:
  - type: OpenAPI
    url: openapi/fathom-sites-api-openapi.yml
  - type: Documentation
    url: https://usefathom.com/api
common:
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/fathom-analytics/overview
- type: AgenticAccess
  url: agentic-access/fathom-agentic-access.yml
- type: TrustCenter
  url: security/fathom-trust-center.yml
- type: DomainSecurity
  url: security/fathom-domain-security.yml
- type: Authentication
  url: authentication/fathom-authentication.yml
- type: Website
  url: https://usefathom.com/
- type: Documentation
  url: https://usefathom.com/docs
- type: APIDocumentation
  url: https://usefathom.com/api
- type: Blog
  url: https://usefathom.com/blog
- type: BlogFeed
  url: https://usefathom.com/blog/feed.xml
- type: ChangeLog
  url: https://usefathom.com/changelog
- type: ChangelogFeed
  url: https://usefathom.com/changelog/feed.xml
- type: Pricing
  url: https://usefathom.com/pricing
- type: StatusPage
  url: https://status.usefathom.com/
- type: GitHubOrganization
  url: https://github.com/usefathom
- type: X
  url: https://twitter.com/usefathom
- type: LinkedIn
  url: https://www.linkedin.com/company/fathom-analytics
- type: Plans
  url: https://raw.githubusercontent.com/api-evangelist/fathom/refs/heads/main/plans/fathom-plans-pricing.yml
- type: RateLimits
  url: https://raw.githubusercontent.com/api-evangelist/fathom/refs/heads/main/rate-limits/fathom-rate-limits.yml
- type: FinOps
  url: https://raw.githubusercontent.com/api-evangelist/fathom/refs/heads/main/finops/fathom-finops.yml
- type: Vocabulary
  url: https://raw.githubusercontent.com/api-evangelist/fathom/refs/heads/main/vocabulary/fathom-vocabulary.yml
- type: JSONLDContext
  url: https://raw.githubusercontent.com/api-evangelist/fathom/refs/heads/main/json-ld/fathom-context.jsonld
- type: BlogFeedJSON
  url: https://raw.githubusercontent.com/api-evangelist/fathom/refs/heads/main/blogs/blogs.json
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com