# Lookuptax, free: Company enrichment API

> Global Tax ID Validation via Official Government Sources. Connect directly to national databases for 100% accurate real-time validation.

Lookuptax's company enrichment API on its Free plan. It costs $0.00 per 1,000 companies. It returns 2 of the 13 key fields we check: Type and status, Headquarters.
Lookuptax limits how many calls you get but gives no number.
We haven't run Lookuptax through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
This plan is free. We rank 1,542 plans for company enrichment APIs by price. Half the plans cost $7.96 per 1,000 companies or less.
[Extruct's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/extruct/49-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Extruct's company enrichment API costs nothing beyond the plan price.
[CNPJ API's R$99 monthly plan (/bulk-cnpj)](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-99-monthly-pro-post-bulk-cnpj/llms.txt) covers any number of companies in Brazil only. CNPJ API's R$99 monthly plan costs less up front than Extruct's $49 monthly plan.
[GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [SEC EDGAR](https://datacircle.dev/company-enrichment-apis/sec-edgar/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/lookuptax/free
- [Company enrichment API: 130+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://lookuptax.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://api.lookuptax.com/v1/validate`
- API key: with the plan, on https://lookuptax.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://demo.lookuptax.com/api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Sold by: Lookuptax (https://lookuptax.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-03

## In the answer

- Completeness: 15%
- Type and status: ✓
- Headquarters: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Global Tax ID Validation via Official Government Sources. Connect directly to national databases for 100% accurate real-time validation.

## Data

- Freshness: live
- Countries: Worldwide
- Keep data: no limit
- Use data: Our Tax ID validation software is intended for use by individuals and businesses for the purpose of validating Tax Identification Numbers (TINs), VAT numbers, GSTINs, EINs, and other government-issued tax IDs. You may not use our software for any illegal or unauthorized purpose. [...] You may not resell, sublicense, or provide access to the Lookuptax API to third parties, use it to build a competing tax validation service, or share API credentials across separate organisations.

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: country_iso, tin. Optional: reference_id, validation_source, additional_params.name
- Method: GET
- Path: /validate

## About the plan

- Plan: Free
- Who can get it: one free account per organisation

## The 24 fields the plan's answer can hold

reference ID, country code, request date, tax ID, validation status, validation reason, validation message, retryable, format check valid, format check attempted, registry check valid, registry check attempted, overall valid, overall check attempted, validation method, tax ID label, tax ID name, formatted tax ID, registered name, registered address, entity type, entity status, processing time, API version

## Lookuptax's plans (7)

- [Lookuptax, free](https://datacircle.dev/company-enrichment-apis/lookuptax/free/llms.txt): $0.00 per 1,000, 15% complete, live
- [Lookuptax, $49 monthly](https://datacircle.dev/company-enrichment-apis/lookuptax/49-monthly/llms.txt): $245.00 per 1,000, 15% complete, live
- [Lookuptax, $149 monthly](https://datacircle.dev/company-enrichment-apis/lookuptax/149-monthly/llms.txt): $149.00 per 1,000, 15% complete, live
- [Lookuptax, $499 monthly, Enterprise, GET /validate](https://datacircle.dev/company-enrichment-apis/lookuptax/499-monthly-enterprise-get-validate/llms.txt): $49.90 per 1,000, 15% complete, live
- [Lookuptax, $528 yearly](https://datacircle.dev/company-enrichment-apis/lookuptax/528-yearly/llms.txt): $220.00 per 1,000, 15% complete, live
- [Lookuptax, $1,608 yearly](https://datacircle.dev/company-enrichment-apis/lookuptax/1608-yearly/llms.txt): $134.00 per 1,000, 15% complete, live
- [Lookuptax, $5,388 yearly, Enterprise, billed annually, GET /validate](https://datacircle.dev/company-enrichment-apis/lookuptax/5388-yearly-enterprise-billed-annually-get-validate/llms.txt): $44.90 per 1,000, 15% complete, live

## Lookuptax's calls (2)

- `GET /validate`: [Lookuptax, free](https://datacircle.dev/company-enrichment-apis/lookuptax/free/llms.txt)
- `POST /batch`: [Lookuptax, $499 monthly, Enterprise, POST /batch](https://datacircle.dev/company-enrichment-apis/lookuptax/499-monthly-enterprise-post-batch/llms.txt)

## Lookuptax's APIs (1)

- [Lookuptax: company enrichment API pricing, 7 plans](https://datacircle.dev/company-enrichment-apis/lookuptax/free/llms.txt)

## Lookuptax: company enrichment API alternatives

- [Olostep, $20 pack](https://datacircle.dev/company-enrichment-apis/olostep/20-pack/llms.txt): $40.00 per 1,000, 54% complete, live
- [suprsonic, $29 monthly](https://datacircle.dev/company-enrichment-apis/suprsonic/29-monthly/llms.txt): $43.50 per 1,000, 62% complete, live
- [Scale SERP, $276 yearly, 1,000 searches, annual, GET /search, Google Map Place Details](https://datacircle.dev/company-enrichment-apis/scale-serp/276-yearly-1000-searches-annual-get-search-google-map-place-details/llms.txt): $46.00 per 1,000, 31% complete, live
- [Infosimples, top-up](https://datacircle.dev/company-enrichment-apis/infosimples/top-up/llms.txt): $47.218 per 1,000, 31% 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 2026-11-03.

- https://demo.lookuptax.com/api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://lookuptax.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://lookuptax.com/countries?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://lookuptax.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://lookuptax.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://raw.githubusercontent.com/lookuptax/lookuptax-sdk-python/main/README.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://raw.githubusercontent.com/lookuptax/lookuptax-sdk-python/main/src/lookuptax/client.py?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://raw.githubusercontent.com/lookuptax/lookuptax-sdk-python/main/src/lookuptax/models.py?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.lookuptax.com/changelog?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing