# CorpoAPI, free starter allowance, GET /v1/vat/{vat_number}: Business verification API

> Check an EU VAT number against the VAT register and get the registered business name and address back.

CorpoAPI's business verification API on its Free starter allowance plan. It costs $0.00 per 1,000 companies. It returns 6 of the 11 key fields we check: Registered name, Entity number, Tax ID, Status, Formation date, Principal address.
We haven't run CorpoAPI through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
This plan is free. We rank 821 plans for business verification APIs by price. Half the plans cost $7.895 per 1,000 companies or less.
[EuroValidate's €149 monthly plan](https://datacircle.dev/business-verification-apis/eurovalidate/149-monthly-scale-post-v1-validate/llms.txt) is the cheapest paid plan per 1,000 companies: $0.017. EuroValidate's plan covers companies in 31 countries only.
[Scoris's €19 pack](https://datacircle.dev/business-verification-apis/scoris/19-pack/llms.txt) covers any number of companies in 8 countries only. Scoris's €19 pack costs less up front than EuroValidate's €149 monthly plan.
[GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/llms.txt) and [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) are the best business verification API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/business-verification-apis/corpoapi/free-starter-allowance-get-v1-vat-vat-number
- [Business verification API: the 11 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://corpoapi.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://api.corpoapi.com/v1/vat/{vat_number}`
- API key: with the plan, on https://corpoapi.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://docs.corpoapi.com/endpoints/checkvat?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: CorpoAPI (https://corpoapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 55%
- Registered name: ✓
- Entity number: ✓
- Tax ID: ✓
- Status: ✓
- Formation date: ✓
- Principal address: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Get a company · Verify one company against the register · Verify up to 100 companies · List company officers · List direct shareholders and declared UBOs · Walk the upstream ownership graph and calculate UBOs · List a company's links · List company documents · List financial statements

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Check an EU VAT number against the VAT register and get the registered business name and address back.

## Data

- Keep data: no limit
- Use data: 2. Acceptable use: You may not use the Service: to process data you do not have the right to process, or in violation of applicable law (including privacy law), to attack, disrupt, reverse engineer, or gain unauthorized access to the Service or other users, to build a competing product using our outputs, to submit content that is unlawful, harmful, or infringing. [...] 5. Intellectual property: [...] You may not copy, resell, or sublicense the Service except as expressly permitted.

## Plan

- Pay: $0
- You get: 100 requests
- Enough for: 100 calls, once

## Rate limit

- Per second: 1.67
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: vat_number
- Method: GET
- Path: /v1/vat/{vat_number}

## About the plan

- Plan: Free starter allowance
- Who can get it: anyone aged 18 or over with an account, no card required

## The 21 fields the plan's answer can hold

VAT number, country, valid, name, address, consultation number, checked at, company ID, jurisdiction, company number, legal name, status, registration date, address line 1, address line 2, city, postcode, region, raw address, match score, matched on

## CorpoAPI's plans (2)

- [CorpoAPI, free starter allowance, GET /v1/vat/{vat_number}](https://datacircle.dev/business-verification-apis/corpoapi/free-starter-allowance-get-v1-vat-vat-number/llms.txt): $0.00 per 1,000, 55% complete
- [CorpoAPI, top-up from $50, Usage, GET /v1/vat/{vat_number}](https://datacircle.dev/business-verification-apis/corpoapi/top-up-from-50-usage-get-v1-vat-vat-number/llms.txt): $50.00 per 1,000, 55% complete

## CorpoAPI's calls for this API (3)

- `GET /v1/vat/{vat_number}`: [CorpoAPI, free starter allowance, GET /v1/vat/{vat_number}](https://datacircle.dev/business-verification-apis/corpoapi/free-starter-allowance-get-v1-vat-vat-number/llms.txt)
- `POST /v1/verify`: [CorpoAPI, free starter allowance, POST /v1/verify](https://datacircle.dev/business-verification-apis/corpoapi/free-starter-allowance-post-v1-verify/llms.txt)
- `POST /v1/verify/batch`: [CorpoAPI, free starter allowance, POST /v1/verify/batch](https://datacircle.dev/business-verification-apis/corpoapi/free-starter-allowance-post-v1-verify-batch/llms.txt)

## CorpoAPI's APIs (3)

- [CorpoAPI: company discovery API pricing, 2 plans](https://datacircle.dev/company-discovery-apis/corpoapi/free/llms.txt)
- [CorpoAPI: company enrichment API pricing, 2 plans](https://datacircle.dev/company-enrichment-apis/corpoapi/free/llms.txt)
- [CorpoAPI: business verification API pricing, 2 plans, GET /v1/vat/{vat_number}](https://datacircle.dev/business-verification-apis/corpoapi/free-starter-allowance-get-v1-vat-vat-number/llms.txt)

## CorpoAPI: business verification API alternatives

- [Anysite, $1,199 monthly, Enterprise, POST /api/arizona/companies/search](https://datacircle.dev/business-verification-apis/anysite/1199-monthly-enterprise-post-api-arizona-companies-search/llms.txt): $49.958 per 1,000, 64% complete
- [SavvyIQ, top-up from $5, Pay as you go, GET /v2/search](https://datacircle.dev/business-verification-apis/savvyiq/top-up-from-5-pay-as-you-go-get-v2-search/llms.txt): $50.00 per 1,000, 27% complete, 1 month
- [OpenSOSData, $250 pack, Scale, POST /v1/lookup](https://datacircle.dev/business-verification-apis/opensosdata/250-pack-scale-post-v1-lookup/llms.txt): $50.00 per 1,000, 100% complete, live
- [BizVerify, $500 pack, Enterprise, POST /v1/verify, Verify Business](https://datacircle.dev/business-verification-apis/bizverify/500-pack-enterprise-post-v1-verify-verify-business/llms.txt): $50.00 per 1,000, 82% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.

- https://corpoapi.com/coverage?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://corpoapi.com/index.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://corpoapi.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://corpoapi.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://docs.corpoapi.com/endpoints/checkvat?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://docs.corpoapi.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://docs.corpoapi.com/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing