APIs & SDKs
Clerkfield
Business verification and UCC lien search from official state records
- 0community votes
- 0DR by Ahrefs no change since last check
- 2026founded
Ahrefs Domain Rating listed 10 Nov 2026, relisted 10 Nov 2026.
API for verifying U.S. businesses and searching UCC liens against official state records, used by MCA funders, brokers and lenders.
What it is

Clerkfield: the homepage
Clerkfield provides business verification and UCC lien search directly from official state records. It checks whether a business is registered and active with its state registry, returning a verdict of Pass, Review or Fail, and searches for UCC liens filed against a business or by a lender. The service is available through a REST API and a web dashboard. It is free during the beta period with no card required.
Listed capabilities
- Business verification with Pass, Review or Fail verdict
- UCC lien search by business name or lender
- Owner and officer verification against state records
- Full filing history and lapse dates
- REST API with authentication
- Coverage and source information on every result
- Web dashboard for manual searches
- MCP server integration for AI assistants
Pricing
Pricing model: Free
Free while in beta. Paid plans will be announced before launch.
Follow Clerkfield for an email about each milestone, update and new product they post, in a daily summary.
Clerkfield metrics
| Metric | Value |
|---|---|
| Domain Rating | 0 no change since last check |
| Trust Flow | 0 no change since last check |
| Citation Flow | 0 no change since last check |
| Referring domains | 0 no change since last check |
| External backlinks | 0 no change since last check |
Ahrefs Domain Rating listed 10 Nov 2026, relisted 10 Nov 2026. Majestic listed 10 Nov 2026, relisted 10 Nov 2026. Link data listed by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
Clerkfield domain listing data
Show the listing data
| Domain age | 4 days |
|---|---|
| Registered | |
| Expires | |
| Registrar | GoDaddy.com, LLC |
| DNSSEC | Not signed |
Clerkfield launch receipt entry
| Measure | At launch, then latest |
|---|---|
| Domain Rating (Ahrefs) | 0 first measured 10 Nov 2026 |
| Trust Flow (Majestic) | 0 first measured 10 Nov 2026 |
| Referring domains (Majestic) | 0 first measured 10 Nov 2026 |
Day 0 since launch. Next receipt: day 30, 10 Dec 2026. We show what changed, not what caused it: many things affect these numbers. Nothing here is estimated.
Before you launch
The playbook on SaaS Directory List lists what to prepare, what to post on launch day and where else to list your product.
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Quick answers
Is Clerkfield really free?
Yes, while it is in beta. Business checks, lien search, the dashboard and the API cost nothing, with no card on file.
Are there usage limits?
Fair use applies: run the checks your underwriting needs. If an account's volume could slow the service for others, the company will contact you first and will not cut you off without warning.
What happens when the beta ends?
Paid plans will be announced on the pricing page and by email well before anything changes, and nothing is charged without choosing a plan. Accounts that join during the beta will get an early-customer price.
Is there a test mode?
No separate test mode. Every call runs a real search. While in beta, calls are free, so you can test against real businesses in a covered state.
Can I call the API from a browser?
No. Call the API from your server. An API key gives full access to your account's checks, so it must never be shipped in a web page or a mobile app.
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