# TIN Comply, $100 pack, 100-Pack, POST /api/v1/validate/company-name-lookup-by-ein: Business verification API

> Submit an EIN and get back the registered business name associated with it. Useful when a vendor supplies an EIN but not the exact legal name.

TIN Comply's business verification API on its 100-Pack plan. It costs $1,000.00 per 1,000 companies. It returns 1 of the 11 key fields we check: Registered name.
We haven't run TIN Comply through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
Half of the 753 plans we rank by price cost $7.895 per 1,000 companies or less. This plan costs less per 1,000 companies than 5% of the 753 plans.
[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/tin-comply/100-pack-100-pack-post-api-v1-validate-company-name-lookup-by-ein
- [Business verification API: 9 providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://www.tincomply.com/pricing/prepaid?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `POST https://www.tincomply.com/api/v1/validate/company-name-lookup-by-ein`
- API key: with the plan, on https://www.tincomply.com/pricing/prepaid?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://www.tincomply.com/help-center/api-company-name-lookup-by-ein?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: TIN Comply (https://www.tincomply.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 9%
- Registered name: ✓

## Price

- $ per 1,000 companies: $1,000.00
- Per: call
- Billing: pay first

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: IRS TIN Name Matching · Company EIN Lookup by Name · Company Details Lookup by Name Address · Address Validation · List Sanctions · FATCA GIIN · Legal Entity Identifier · NPI Registry · Medicare Enrollment · FMCSA Carrier · Validate

## Not found

- $ per 1,000: $1,000.00

## In their words

- Their pitch: Submit an EIN and get back the registered business name associated with it. Useful when a vendor supplies an EIN but not the exact legal name.

## Data

- Freshness: stored
- Countries: United States
- Keep data: no limit
- Use data: [...] we grant you a non-exclusive, non-transferable, revocable license to: access the Services, and download or print a copy of any portion of the Content to which you have properly gained access. solely for your internal business purpose. [...] no part of the Services and no Content or Marks may be copied, reproduced, aggregated, republished, uploaded, posted, publicly displayed, encoded, translated, transmitted, distributed, sold, licensed, or otherwise exploited for any commercial purpose whatsoever, without our express prior written permission. [...] As a user of the Services, you agree not to: Systematically retrieve data or other content from the Services to create or compile, directly or indirectly, a collection, compilation, database, or directory without written permission from us. [...] Engage in any automated use of the system, such as using scripts to send comments or messages, or using any data mining, robots, or similar data gathering and extraction tools. [...] Use the Services as part of any effort to compete with us or otherwise use the Services and/or the Content for any revenue-generating endeavor or commercial enterprise.

## Plan

- Pay: $100
- You get: 100 requests
- Enough for: 100 calls
- Expires: never

## Rate limit

- Batch: 1

## Speed

- Answer: in the call or by polling

## The call

- You send: tin, Content-Type header "application/json"
- Method: POST
- Path: /api/v1/validate/company-name-lookup-by-ein

## About the plan

- Plan: 100-Pack
- Who can get it: anyone

## The 5 fields the plan's answer can hold

request ID, company name, found, message, completed

## TIN Comply's plans (13)

- [TIN Comply, $100 pack, 100-Pack, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/100-pack-100-pack-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): $1,000.00 per 1,000, 9% complete, stored
- [TIN Comply, $180 pack, 200-Pack, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/180-pack-200-pack-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): $900.00 per 1,000, 9% complete, stored
- [TIN Comply, $300 pack, 400-Pack, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/300-pack-400-pack-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): $750.00 per 1,000, 9% complete, stored
- [TIN Comply, $550 pack, 1,000-Pack, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/550-pack-1000-pack-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): $550.00 per 1,000, 9% complete, stored
- [TIN Comply, $1,200 pack, 2,500-Pack, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/1200-pack-2500-pack-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): $480.00 per 1,000, 9% complete, stored
- [TIN Comply, $2,000 pack, 5,000-Pack, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/2000-pack-5000-pack-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): $400.00 per 1,000, 9% complete, stored
- [TIN Comply, $20 monthly, Basic, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/20-monthly-basic-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): $800.00 per 1,000, 9% complete, stored
- [TIN Comply, $50 monthly, Pro, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/50-monthly-pro-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): $500.00 per 1,000, 9% complete, stored
- [TIN Comply, $100 monthly, Premium, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/100-monthly-premium-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): $400.00 per 1,000, 9% complete, stored
- [TIN Comply, $300 monthly, Enterprise Basic, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/300-monthly-enterprise-basic-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): $300.00 per 1,000, 9% complete, stored
- [TIN Comply, $600 monthly, Enterprise Pro, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/600-monthly-enterprise-pro-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): $240.00 per 1,000, 9% complete, stored
- [TIN Comply, $1,000 monthly, Enterprise Premium, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/1000-monthly-enterprise-premium-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): $200.00 per 1,000, 9% complete, stored
- [TIN Comply, contact us, Larger Volumes, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/contact-us-larger-volumes-post-api-v1-validate-company-name-lookup-by-ein/llms.txt): 9% complete, stored

## TIN Comply's calls (4)

- `POST /api/v1/validate/company-details-lookup-by-name-address`: [TIN Comply, $100 pack, 100-Pack, POST /api/v1/validate/company-details-lookup-by-name-address](https://datacircle.dev/business-verification-apis/tin-comply/100-pack-100-pack-post-api-v1-validate-company-details-lookup-by-name-address/llms.txt)
- `POST /api/v1/validate/company-ein-lookup-by-name`: [TIN Comply, $100 pack, 100-Pack, POST /api/v1/validate/company-ein-lookup-by-name](https://datacircle.dev/business-verification-apis/tin-comply/100-pack-100-pack-post-api-v1-validate-company-ein-lookup-by-name/llms.txt)
- `POST /api/v1/validate/company-name-lookup-by-ein`: [TIN Comply, $100 pack, 100-Pack, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/100-pack-100-pack-post-api-v1-validate-company-name-lookup-by-ein/llms.txt)
- `POST /api/v1/validate/irs-tin-name-matching`: [TIN Comply, $100 pack, 100-Pack, POST /api/v1/validate/irs-tin-name-matching](https://datacircle.dev/business-verification-apis/tin-comply/100-pack-100-pack-post-api-v1-validate-irs-tin-name-matching/llms.txt)

## TIN Comply's APIs (1)

- [TIN Comply: business verification API pricing, 13 plans, POST /api/v1/validate/company-name-lookup-by-ein](https://datacircle.dev/business-verification-apis/tin-comply/100-pack-100-pack-post-api-v1-validate-company-name-lookup-by-ein/llms.txt)

## TIN Comply: business verification API alternatives

- [CNPJa, R$39.99 monthly, SPEED - 60 / min](https://datacircle.dev/business-verification-apis/cnpja/r-39-99-monthly-speed-60-min/llms.txt): $13.113 per 1,000, 36% complete, stored
- [SCALA, €19 monthly](https://datacircle.dev/business-verification-apis/scala/19-monthly/llms.txt): $42.761 per 1,000, 36% complete, stored
- [SOSfinder, top-up from $9](https://datacircle.dev/business-verification-apis/sosfinder/top-up-from-9/llms.txt): $90.00 per 1,000, 91% complete, stored
- [OpenCorporates, £2,250 yearly](https://datacircle.dev/business-verification-apis/opencorporates/2250-yearly/llms.txt): $500.063 per 1,000, 55% complete, stored

## 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://www.tincomply.com/help-center/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.tincomply.com/help-center/api-checks-pending-results?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.tincomply.com/help-center/api-company-name-lookup-by-ein?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.tincomply.com/legal/terms-and-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.tincomply.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.tincomply.com/pricing/prepaid?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.tincomply.com/product/api-integration?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.tincomply.com/product/ein-company-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing