# OnchainCheck, pay as you go, x402 pay per call, GET /vat/validate: Company enrichment API

> Validates an EU VAT number against the European Commission's VIES service: registered or not, with the registered company name and address where the member state shares them.

OnchainCheck's x402 pay per call plan for the company enrichment API costs $3.00 per 1,000 companies. We check each provider's docs for 13 fields. OnchainCheck's docs list 1: Headquarters.
We haven't run OnchainCheck through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
We rank 2,823 plans for company enrichment APIs by price. Half the plans cost $9.091 or less per 1,000 companies. This plan costs less per 1,000 companies than 67% of the 2,823 plans.
[Coldlytics's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/coldlytics/49-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Coldlytics's company enrichment API costs nothing beyond the plan price. [Pokt Agent's pay-as-you-go plan](https://datacircle.dev/company-enrichment-apis/pokt-agent/pay-as-you-go-x402-pay-per-call-post-kr-entity-resolve/llms.txt) costs the least for 10,000 companies a month: $1.00.
[APIs Peru's PEN 30 (about $9) monthly plan](https://datacircle.dev/company-enrichment-apis/apis-peru/pen-30-monthly/llms.txt) covers any number of companies in Peru only. APIs Peru's PEN 30 (about $9) monthly plan costs less up front than Coldlytics's $49 monthly plan.
[GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [TrustMRR](https://datacircle.dev/company-enrichment-apis/trustmrr/free/llms.txt) and [GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/onchaincheck/pay-as-you-go-x402-pay-per-call-get-vat-validate
- [Company enrichment API: the best of 240+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://onchaincheck.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://onchaincheck.dev/vat/validate`
- API key: not needed
- Its API docs: https://onchaincheck.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#/paths/~1vat~1validate
- Sold by: OnchainCheck (https://onchaincheck.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 8%
- Headquarters: ✓

## 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: $0.00

## In their words

- Their pitch: Validates an EU VAT number against the European Commission's VIES service: registered or not, with the registered company name and address where the member state shares them.

## Data

- Freshness: live
- Countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, United Kingdom
- 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. Optional: country
- Method: GET
- Path: /vat/validate

## About the plan

- Plan: x402 pay per call
- Who can get it: anyone with a wallet paying USDC on Base (x402), no account or API key

## The 13 fields the plan's answer can hold

input, country, number, VAT ID, format valid, valid, registered, name, address, checked with, reason, request date, note

## OnchainCheck's plans (1)

- [OnchainCheck, pay as you go, x402 pay per call, GET /vat/validate](https://datacircle.dev/company-enrichment-apis/onchaincheck/pay-as-you-go-x402-pay-per-call-get-vat-validate/llms.txt): $3.00 per 1,000, 8% complete, live

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

- `GET /company/enrich`: [OnchainCheck, pay as you go, x402 pay per call, GET /company/enrich](https://datacircle.dev/company-enrichment-apis/onchaincheck/pay-as-you-go-x402-pay-per-call-get-company-enrich/llms.txt)
- `GET /sec/company`: [OnchainCheck, pay as you go, x402 pay per call, GET /sec/company](https://datacircle.dev/company-enrichment-apis/onchaincheck/pay-as-you-go-x402-pay-per-call-get-sec-company/llms.txt)
- `GET /vat/validate`: [OnchainCheck, pay as you go, x402 pay per call, GET /vat/validate](https://datacircle.dev/company-enrichment-apis/onchaincheck/pay-as-you-go-x402-pay-per-call-get-vat-validate/llms.txt)

## OnchainCheck's APIs (8)

- [OnchainCheck: company open jobs API pricing, 1 plan](https://datacircle.dev/company-open-job-apis/onchaincheck/pay-as-you-go/llms.txt)
- [OnchainCheck: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/onchaincheck/pay-as-you-go/llms.txt)
- [OnchainCheck: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/onchaincheck/pay-as-you-go/llms.txt)
- [OnchainCheck: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/onchaincheck/pay-as-you-go/llms.txt)
- [OnchainCheck: email finder API pricing, 1 plan](https://datacircle.dev/find-email-apis/onchaincheck/pay-as-you-go/llms.txt)
- [OnchainCheck: web scraping API pricing, 1 plan](https://datacircle.dev/web-scraping-apis/onchaincheck/pay-as-you-go/llms.txt)
- [OnchainCheck: company enrichment API pricing, 1 plan, GET /vat/validate](https://datacircle.dev/company-enrichment-apis/onchaincheck/pay-as-you-go-x402-pay-per-call-get-vat-validate/llms.txt)
- [OnchainCheck: job postings API pricing, 1 plan, GET /jobs/new](https://datacircle.dev/job-posting-apis/onchaincheck/pay-as-you-go-x402-pay-per-call-get-jobs-new/llms.txt)
- [OnchainCheck: job postings API pricing, 1 plan, GET /jobs/search](https://datacircle.dev/job-posting-apis/onchaincheck/pay-as-you-go-x402-pay-per-call-get-jobs-search/llms.txt)

## OnchainCheck: company enrichment API alternatives

- [ReefAPI, $15 monthly, Pro monthly, POST /indeed/v1/company](https://datacircle.dev/company-enrichment-apis/reefapi/15-monthly-pro-monthly-post-indeed-v1-company/llms.txt): $3.00 per 1,000, 46% complete, live
- [Nimble, pay as you go, POST /v2/serp](https://datacircle.dev/company-enrichment-apis/nimble/pay-as-you-go-post-v2-serp/llms.txt): $3.00 per 1,000, 31% complete, live
- [Veriport, $15 monthly, Monthly plan, GET /vat/validate](https://datacircle.dev/company-enrichment-apis/veriport/15-monthly-monthly-plan-get-vat-validate/llms.txt): $3.00 per 1,000, 8% complete, live
- [BESS x402, pay as you go](https://datacircle.dev/company-enrichment-apis/bess-x402/pay-as-you-go/llms.txt): $3.00 per 1,000, 8% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://onchaincheck.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://onchaincheck.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing