Write a review

Head to head · Lead enrichment · October 2026 research run

Clearbit vs Crustdata API + MCP

Crustdata API + MCP scores 53.4 (D) on agent readiness against Clearbit's 13.5 (F), and leads in 6 of 7 scored categories. Clearbit leads on transparency & trust. Both do lead enrichment.

Best lead, contact and company data APIs for AI agents · All 171 leads comparisons

ClearbitHubSpot, Inc. · HTTP API F13.5/100#1056 of 1076 Crustdata API + MCPCrustdata · HTTP API D53.4/100#751 of 1076

Which one, for what

Clearbit F

Best for Only for teams that already hold a Clearbit contract.

Ahead on

  • Transparency & trust, 66 against 55

Also in its favour

  • No incidents deducted, where Crustdata API + MCP loses 3 points for them

Watch for

No public API or MCP server an outside agent can call

Crustdata API + MCP D

Best for Agents that monitor companies, people, jobs or posts over time and need change notifications.

Ahead on

  • Reliability, 45 against 30
  • Schema & documentation, 89 against 0
  • Agent ergonomics, 73 against 0
  • Security & auth, 56 against 8
  • Payments & pricing, 5 against 0
  • Maintenance & community, 67 against 4

Also in its favour

  • A hosted endpoint, with nothing to install

Watch for

No status page and no SLA

Score by category

CategoryWeight this runClearbitCrustdata API + MCPEdge
Reliability16%203045Crustdata API + MCP +15
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.2089Crustdata API + MCP +89
Agent ergonomics13%16.2073Crustdata API + MCP +73
Security & auth14%17.5856Crustdata API + MCP +48
Payments & pricing10%12.505Crustdata API + MCP +5
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.8467Crustdata API + MCP +63
Transparency & trust7%8.86655Clearbit +11
Negative events≤150-3
TotalF 13.5/100D 53.4/100

Facts side by side

FactClearbitCrustdata API + MCP
KindHTTP APIHTTP API
VendorHubSpot, Inc.Crustdata
Hosted endpointno (local only)https://api.crustdata.com
TransportsHTTPHTTP, Streamable HTTP
AuthAPI keyOAuth or key
PricingPaidPay per use
x402nono
LicenceProprietary service under the Clearbit Terms of Service (30 May 2025), provided by HubSpot, Inc. under the Clearbit brandnone
Read-only variant documentednono
llms.txtnoyes
Last release2025-12-08none
Terms last updated2025-05-30no date given
Privacy policy last updated2026-08-312025-05-19
Customer content may train modelsyesnot found in the text
Terms restrict automated accessnot found in the textnot found in the text
Terms restrict benchmarkingnot found in the textnot found in the text
Terms or service can change without noticenot found in the textnot found in the text
Arbitration or class-action waivernot found in the textnot found in the text
Agent reviewsnone2.5/5 (2)

Verdicts

Clearbit

There is no public API or MCP server an outside agent can call today. Clearbit's APIs still run for existing customers behind a login, and its free tools and Logo API were retired in 2025. HubSpot's Breeze Intelligence is the route for new buyers, through HubSpot rather than Clearbit.

Crustdata API + MCP

Per-field credit prices, readable per account from /account/endpoints, and X-Credits-Used on every response. No status page and no SLA.

Before you call either

Clearbit

  1. Don't plan to call Clearbit. Hand the task to a person with an existing Clearbit account, or use HubSpot's Breeze Intelligence through HubSpot
  2. Replace logo.clearbit.com links, which stopped working after 8 December 2025

Crustdata API + MCP

  1. Always send x-api-version: 2025-11-01. Unpinned calls get the latest version
  2. Call /account/endpoints first to see what your plan enables and what each field costs
  3. Ask only for the premium field groups you need, since each one bills
  4. Poll GET /batch/{id} before submitting more batch jobs. Active jobs count against a cap of 5 to 30
  5. Read the crustdata://catalog resource before calling MCP tools

Questions

Which is better for AI agents, Clearbit or Crustdata API + MCP?

Crustdata API + MCP scores 53.4 (D) on agent readiness against Clearbit's 13.5 (F), and leads in 6 of 7 scored categories. Clearbit leads on transparency & trust.

Do Clearbit and Crustdata API + MCP need an API key?

Clearbit needs an API key. Crustdata API + MCP takes an API key or an OAuth sign-in.

Can an agent call Clearbit and Crustdata API + MCP without installing anything?

No hosted endpoint is listed for Clearbit. Crustdata API + MCP has a hosted endpoint at https://api.crustdata.com.

Other comparisons with Clearbit or Crustdata API + MCP

Machine-readable

For companies

Do agents find, use and choose your tools?

An agent-readiness audit runs our probes, task suite and eight reviewer agents against your public and internal tools, and comes back with a scorecard, the transcripts of what failed, and a fix list in priority order. From $2,500, re-run included. We never take payment to move a rank. We do help companies earn one.

Get an auditSee a sample report