Datacircle

Ambolt pricing: business verification API, GET /v1/us-business-entities

Is Ambolt yours? Write to us about this page. We invite selected tool providers to our WhatsApp group.

45% complete: 5 of the 11 fields on our checklistSee the 11 fields

$0.00per 1,000 companiesWe haven't run Ambolt through our business verification API benchmark yet.This plan is free. We rank 1,165 plans for business verification APIs by price. Half the plans cost $8.182 or less per 1,000 companies. See the best free business verification API plan.CharityAPI's $15 monthly plan is the cheapest paid plan per 1,000 companies. CharityAPI's plan covers companies in the United States only. CharityAPI's $15 monthly plan charges nothing per call. You get as many companies as CharityAPI's rate limit allows. ApiZero's CNY 399 yearly plan costs the least for 10,000 companies a month: about $4.97.Scoris's €19 pack covers any number of companies in 8 countries only. Scoris's €19 pack costs more up front than CharityAPI's $15 monthly plan.GovFiles, Didit and CompanyData.com are the best business verification API providers in the Datacircle benchmark for companies in any country.
Type a number to see the cheapest Ambolt plan for that many companies. The table below then sorts the other plans by what each costs.
Plan: Free call a day one of Ambolt's 2 plans
Call: GET /v1/us-business-entities one of Ambolt's 4 calls for this API
API: Business verification API one of Ambolt's 6 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 5 of the 11 fields on our checklist. Registered name, Entity type, Status, Formation date, Principal address.
  • Nothing to pay. You get up to 30 calls a month.
  • One call. You call GET /v1/us-business-entities. Every input is optional: states, name, status, entityType, formedSince, formedUntil, limit, free.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

Ambolt: business verification API alternatives

Ambolt alternatives: other business verification API providers by price

The table starts with Ambolt's cheapest paid plan. Next come plans from other providers with the price per 1,000 companies closest to Ambolt's.

Ambolt, pay as you go, Pay per call with x402, GET /v1/us-business-entitieseucompliance.tools, pay as you go, Pay per call (x402), GET /x402/counterpartyAnysite, $200 monthly, Growth, POST /api/dc/companies/searchParse, $100 monthly, Developer, GET /scraper/8ceea6f9-34d2-4d7f-adf1-fc7bdd90b476/search_entitiesAslan Group, pay as you go
$ per 1,000 companies$20.00$20.00$20.00$20.00$20.00
Completeness45%0%64%55%36%
Billingpay as you gopay as you gomonthlymonthlypay as you go
Payper callper call$200$100per call
Enough foras many as you pay foras many as you pay for10,000 calls a month5,000 calls a monthas many as you pay for
Freshnessunknownliveunknownlivelive
Who can get itanyone, with no account or API key, paying each call in USDC on Base, Polygon or Solana (x402)businesses only (the terms' Unternehmer within § 1 UGB, not consumers), paying USDC from a wallet on Base, Arbitrum, Polygon or Solanaanyone at least 18 years old or of the age of majority in their jurisdictionanyone of legal age to enter into the Terms of Service, or acting for an organization they have the legal authority to bindanyone, with no account or API key, paying each call in USDC on Base from a wallet (x402)

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

  1. ambolt.dev
  2. ambolt.dev/licences
  3. ambolt.dev/pricing
  4. ambolt.dev/privacy
  5. ambolt.dev/terms
  6. api.ambolt.dev/
  7. api.ambolt.dev/catalog.json
  8. api.ambolt.dev/openapi.json

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Registered name
  • Entity number, not in the answer
  • Tax ID, not in the answer
  • Entity type
  • Status
  • Good standing, not in the answer
  • Formation date
  • Registered agent, not in the answer
  • Principal addresstown or region
  • Officers, not in the answer
  • Filings, not in the answer
Price
$ per 1,000 companies$0.00
Perresult
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitchLook up US companies in official state business registers (Colorado, Connecticut, New York) or list newly formed entities by date: legal name, entity type, status, formation date, state of formation and city, with the source dataset. Official open data, one schema. Company level only: no registered agents, owners, officers, e-mail addresses or street addresses, trade names and sole proprietorships are excluded.
Data
CountriesUnited States
Keep datano limit
Use dataDo not use the services to attack or overload systems, to evade sanctions, or in breach of law. [...] Each developer-tool response names its source and licence. Where a source requires attribution, you must keep it when you reuse the data.
Plan
Pay$0
Enough for30 calls a month
Rate limit
Per day1
Batch1
Speed
Answerin the call
The call
You sendnothing required. Optional: states, name, status, entityType, formedSince, formedUntil, limit, free
MethodGET
Path/v1/us-business-entities
About the plan
PlanFree call a day
Who can get itanyone, with no account or API key: one free call per tool and IP address per day
The 7 fields the plan's answer can hold

legal name, entity type, status, formation date, state of formation, city, source dataset

Best GTM APIs