# HALOWERK, pay as you go: Business verification API

> Prüft eine europäische Umsatzsteuer-Identifikationsnummer auf Länderpräfix, Länge, Zeichenvorrat und Prüfziffer, soweit das Verfahren je Land festgelegt ist, und fragt anschließend den VIES-Dienst der EU-Kommission ab.

HALOWERK's x402 plan for the business verification API costs $3.00 per 1,000 companies. We check each provider's docs for 11 fields. HALOWERK's docs list 3: Registered name, Entity type, Principal address.
We haven't run HALOWERK through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
We rank 1,735 plans for business verification APIs by price. Half the plans cost $7.895 or less per 1,000 companies. This plan costs less per 1,000 companies than 59% of the 1,735 plans.
[SafeDeal's ₸50,000 (about $110) monthly plan](https://datacircle.dev/business-verification-apis/safedeal/50000-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. SafeDeal's business verification API costs nothing beyond the plan price. SafeDeal's plan covers companies in Kazakhstan only. [ApiZero's CNY 399 yearly plan](https://datacircle.dev/business-verification-apis/apizero/cny-399-yearly-diamond-membership-get-api-company-search/llms.txt) costs the least for 10,000 companies a month: about $4.97.
[Scoris' €19 pack](https://datacircle.dev/business-verification-apis/scoris/19-pack/llms.txt) covers any number of companies in 8 countries only. Scoris' €19 pack costs less up front than SafeDeal's ₸50,000 (about $110) 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/halowerk/pay-as-you-go
- [Business verification API in 2026: the 8 best compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://tools.halowerk.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `POST https://tools.halowerk.com/v1/business/eu`
- API key: not needed
- Its API docs: https://tools.halowerk.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: HALOWERK (https://halowerk.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 27%
- Registered name: ✓
- Entity type: ✓
- Principal address: ✓

## Price

- $ per 1,000 companies: $3.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Prüft eine europäische Umsatzsteuer-Identifikationsnummer auf Länderpräfix, Länge, Zeichenvorrat und Prüfziffer, soweit das Verfahren je Land festgelegt ist, und fragt anschließend den VIES-Dienst der EU-Kommission ab.

## Data

- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: per call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: vat_id. Optional: website, expected_name
- Method: POST
- Path: /v1/business/eu

## About the plan

- Plan: x402
- Who can get it: anyone

## The 28 fields the plan's answer can hold

VAT ID, format valid, country prefix, country code, structure valid, checksum supported, checksum valid, VIES valid, VIES name, VIES address, VIES consulted on, VIES name disclosure, company name, legal form, street, house number, postcode, city, website checked, website name match, website VAT match, website address match, website discrepancies, expected name, expected name similarity, expected name verdict, verdict, hint

## HALOWERK's plans (1)

- [HALOWERK, pay as you go](https://datacircle.dev/business-verification-apis/halowerk/pay-as-you-go/llms.txt): $3.00 per 1,000, 27% complete

## HALOWERK's calls for this API (1)

- `POST /v1/business/eu`: [HALOWERK, pay as you go](https://datacircle.dev/business-verification-apis/halowerk/pay-as-you-go/llms.txt)

## HALOWERK's APIs (8)

- [HALOWERK: business verification API pricing, 1 plan](https://datacircle.dev/business-verification-apis/halowerk/pay-as-you-go/llms.txt)
- [HALOWERK: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/halowerk/pay-as-you-go/llms.txt)
- [HALOWERK: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/halowerk/pay-as-you-go/llms.txt)
- [HALOWERK: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/halowerk/pay-as-you-go/llms.txt)
- [HALOWERK: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/halowerk/pay-as-you-go/llms.txt)
- [HALOWERK: tech stack API pricing, 2 plans, POST /stack](https://datacircle.dev/company-technology-apis/halowerk/pay-as-you-go-x402-post-stack/llms.txt)
- [HALOWERK: tech stack API pricing, 2 plans, POST /stack/batch](https://datacircle.dev/company-technology-apis/halowerk/pay-as-you-go-x402-post-stack-batch/llms.txt)
- [HALOWERK: tech stack API pricing, 2 plans, POST /stack/batch/25](https://datacircle.dev/company-technology-apis/halowerk/pay-as-you-go-x402-post-stack-batch-25/llms.txt)
- [HALOWERK: tech stack API pricing, 2 plans, POST /v1/tech/detect](https://datacircle.dev/company-technology-apis/halowerk/pay-as-you-go-x402-post-v1-tech-detect/llms.txt)
- [HALOWERK: web scraping API pricing, 1 plan, POST /batch/extract](https://datacircle.dev/web-scraping-apis/halowerk/pay-as-you-go-x402-post-batch-extract/llms.txt)
- [HALOWERK: web scraping API pricing, 1 plan, POST /extract](https://datacircle.dev/web-scraping-apis/halowerk/pay-as-you-go-x402-post-extract/llms.txt)
- [HALOWERK: IP company lookup API pricing, 1 plan, POST /ip](https://datacircle.dev/ip-company-lookup-apis/halowerk/pay-as-you-go-x402-post-ip/llms.txt)
- [HALOWERK: IP company lookup API pricing, 1 plan, POST /ip/batch](https://datacircle.dev/ip-company-lookup-apis/halowerk/pay-as-you-go-x402-post-ip-batch/llms.txt)
- [HALOWERK: IP company lookup API pricing, 1 plan, POST /v1/ip/reputation](https://datacircle.dev/ip-company-lookup-apis/halowerk/pay-as-you-go-x402-post-v1-ip-reputation/llms.txt)

## HALOWERK: business verification API alternatives

- [Companyfacts, pay as you go](https://datacircle.dev/business-verification-apis/companyfacts/pay-as-you-go/llms.txt): $3.00 per 1,000, 45% complete
- [hihat, pay as you go, x402 pay per call, GET /lei](https://datacircle.dev/business-verification-apis/hihat/pay-as-you-go-x402-pay-per-call-get-lei/llms.txt): $3.00 per 1,000, 45% complete, 7 days
- [RedTape, pay as you go, x402 pay per call, GET /v1/eu/vat/validate](https://datacircle.dev/business-verification-apis/redtape/pay-as-you-go-x402-pay-per-call-get-v1-eu-vat-validate/llms.txt): $3.00 per 1,000, 18% complete
- [SiteCheck, pay as you go, x402 pay per call, GET /api/uk-company](https://datacircle.dev/business-verification-apis/sitecheck/pay-as-you-go-x402-pay-per-call-get-api-uk-company/llms.txt): $3.00 per 1,000, 73% 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 2026-11-10.

- https://halowerk.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://halowerk.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://tools.halowerk.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://tools.halowerk.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://tools.halowerk.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://tools.halowerk.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing