Clearbit (HubSpot Breeze Intelligence) website screenshot

Clearbit (HubSpot Breeze Intelligence)

Clearbit was a B2B marketing and sales intelligence platform; HubSpot acquired it in late 2023 and has rebranded most capabilities as HubSpot Breeze Intelligence. Legacy Clearbit REST APIs (Enrichment, Reveal, Prospector, Discovery, Risk, Logo, NameToDomain) were widely used; new sign-ups are now redirected into HubSpot's product surface, and standalone Clearbit APIs are being sunset for new customers.

Clearbit (HubSpot Breeze Intelligence) publishes 5 APIs on the APIs.io network. Tagged areas include Sales Intelligence, B2B, Enrichment, Reveal, and HubSpot.

Clearbit (HubSpot Breeze Intelligence)’s developer surface includes engineering blog and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
35.9/100 thin ▲ 9.5 Agent 19/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFree
5 APIs
Sales IntelligenceB2BEnrichmentRevealHubSpotMarketing

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 35.9/100 · thin
Contract Quality 12.0 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 9.5 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 19/100 · agent aware
Machine-Readable Contract 18 / 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/clearbit: 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.

Clearbit Enrichment API

Person and Company enrichment given an email or domain. Returns firmographic, technographic, and persona data. Endpoints: /person, /company, /combined.

Clearbit Reveal API

De-anonymizes website visitors by IP address, returning company firmographics for B2B traffic.

Clearbit Prospector API

Search for people and companies matching firmographic and persona filters.

Clearbit Logo API

Free Logo API: returns a company logo image given a domain. No auth required.

Clearbit Autocomplete (Name-to-Domain) API

Free Autocomplete API: returns company candidates (name, domain, logo) for a name fragment.

GraphQL 1

GraphQL schemas published by this provider.

Clearbit GraphQL Schema

This directory contains a conceptual GraphQL schema for the Clearbit (now HubSpot Breeze Intelligence) B2B data enrichment and intelligence platform. Clearbit provided REST APIs...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Clearbit Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Clearbit Rate Limits

3 limits

RATE LIMITS

FinOps 1

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

Clearbit Finops

FINOPS

Security Posture 2

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

Clearbit Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Clearbit Trust Center

SOC 2, ISO 27001, PCI DSS, FedRAMP, GDPR

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: clearbit
url: https://raw.githubusercontent.com/api-evangelist/clearbit/refs/heads/main/apis.yml
name: Clearbit (HubSpot Breeze Intelligence)
kind: company
description: Clearbit was a B2B marketing and sales intelligence platform; HubSpot acquired it in late 2023 and has rebranded
  most capabilities as HubSpot Breeze Intelligence. Legacy Clearbit REST APIs (Enrichment, Reveal, Prospector, Discovery,
  Risk, Logo, NameToDomain) were widely used; new sign-ups are now redirected into HubSpot's product surface, and standalone
  Clearbit APIs are being sunset for new customers.
accessModel:
  pricing: free
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Free
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/clearbit.png
tags:
- Sales Intelligence
- B2B
- Enrichment
- Reveal
- HubSpot
- Marketing
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
- aid: clearbit:enrichment
  name: Clearbit Enrichment API
  description: 'Person and Company enrichment given an email or domain. Returns firmographic, technographic, and persona data.
    Endpoints: /person, /company, /combined.'
  humanURL: https://dashboard.clearbit.com/docs
  baseURL: https://person.clearbit.com
  tags:
  - Enrichment
  - Person
  - Company
  properties:
  - type: Documentation
    url: https://dashboard.clearbit.com/docs
  - url: graphql/clearbit-graphql.md
    type: GraphQL
- aid: clearbit:reveal
  name: Clearbit Reveal API
  description: De-anonymizes website visitors by IP address, returning company firmographics for B2B traffic.
  humanURL: https://dashboard.clearbit.com/docs#reveal-api
  baseURL: https://reveal.clearbit.com
  tags:
  - Reveal
  - IP
  - Company
  properties:
  - type: Documentation
    url: https://dashboard.clearbit.com/docs#reveal-api
- aid: clearbit:prospector
  name: Clearbit Prospector API
  description: Search for people and companies matching firmographic and persona filters.
  humanURL: https://dashboard.clearbit.com/docs#prospector-api
  baseURL: https://prospector.clearbit.com
  tags:
  - Prospecting
  - Search
  properties:
  - type: Documentation
    url: https://dashboard.clearbit.com/docs#prospector-api
- aid: clearbit:logo
  name: Clearbit Logo API
  description: 'Free Logo API: returns a company logo image given a domain. No auth required.'
  humanURL: https://clearbit.com/logo
  baseURL: https://logo.clearbit.com
  tags:
  - Logos
  - Free
  properties:
  - type: Documentation
    url: https://clearbit.com/logo
- aid: clearbit:name-to-domain
  name: Clearbit Autocomplete (Name-to-Domain) API
  description: 'Free Autocomplete API: returns company candidates (name, domain, logo) for a name fragment.'
  humanURL: https://clearbit.com/blog/logo
  baseURL: https://autocomplete.clearbit.com
  tags:
  - Autocomplete
  - Free
  properties:
  - type: Documentation
    url: https://clearbit.com/blog/logo
common:
- type: TrustCenter
  url: security/clearbit-trust-center.yml
- type: DomainSecurity
  url: security/clearbit-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/clearbit
- type: LinkedIn
  url: https://www.linkedin.com/company/clearbit
- type: Website
  url: https://clearbit.com/
- type: DeveloperPortal
  url: https://dashboard.clearbit.com/docs
- type: Plans
  url: plans/clearbit-plans-pricing.yml
- type: RateLimits
  url: rate-limits/clearbit-rate-limits.yml
- type: FinOps
  url: finops/clearbit-finops.yml
- url: https://clearbit-blog.ghost.io/rss/
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com