# Agent Toolworks, free: Business verification API

> Look a company up in the official French or UK registry and get its legal status, address and activity back in one normalized shape.

Agent Toolworks' Free plan for the business verification API costs $0.00 per 1,000 companies. We check each provider's docs for 11 fields. Agent Toolworks' docs list 6: Registered name, Entity number, Entity type, Status, Formation date, Principal address.
We haven't run Agent Toolworks through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
This plan is free. We rank 719 plans for business verification APIs by price. Half the plans cost $10.00 or less per 1,000 companies. [211 business verification API plans on our price sheet are free.](https://datacircle.dev/best-business-verification-api.txt) [GovFiles](https://datacircle.dev/business-verification-apis/govfiles/free/llms.txt) has a free plan with 1,000 results. GovFiles is the best business verification API in our benchmark for companies in any country.
[Jsonpage's €129 monthly plan](https://datacircle.dev/business-verification-apis/jsonpage/129-monthly-pro-get-v2-validate/llms.txt) is the cheapest paid plan per 1,000 companies, for 33 countries only, with no charge per call. You get as many companies as Jsonpage's rate limit allows. [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.
[eucompliance.tools' €20 monthly plan (/v1/vat)](https://datacircle.dev/business-verification-apis/eucompliance-tools/20-monthly-business-get-v1-vat/llms.txt) covers any number of companies, and costs less up front than Jsonpage's €129 monthly plan.
[GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) and [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/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/agent-toolworks/free
- [Business verification API in 2026: the 8 best compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://agenttoolworks.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `POST https://verifydesk.agenttoolworks.com/mcp`
- API key: with the plan, on https://agenttoolworks.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://agenttoolworks.com/use-cases/french-company-lookup-siren-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: Agent Toolworks (https://agenttoolworks.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 55%
- Registered name: ✓
- Entity number: ✓
- Entity type: ✓
- 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: verify_vat · validate_iban · screen_sanctions · enrich_company · search_jobs · get_company_jobs · list_supported_companies · generate_invoice · validate_invoice · extract_invoice · describe_coverage · inspect_store · list_products · get_product · search_products

## Not found

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

## In their words

- Their pitch: Look a company up in the official French or UK registry and get its legal status, address and activity back in one normalized shape.

## Data

- Freshness: live
- Countries: France, United Kingdom
- Keep data: no limit
- Use data: You agree not to: use the service to break the law, including sanctions and data protection law, try to get around rate limits, authentication or billing, or to reach other customers' data, resell raw access to the tools as a competing service, or overload the public sources behind them, use personal data returned by a tool for anything its source does not permit.

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: 100 calls, once
- Expires: never

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: jsonrpc "2.0", id, method "tools/call", params.name "verify_company", Content-Type header "application/json", Accept header "application/json, text/event-stream", params.arguments.country, params.arguments.query
- Method: POST
- Path: /mcp

## About the plan

- Plan: Free
- Who can get it: anyone with an email address, one free grant of 100 credits per person

## The 10 fields the plan's answer can hold

country, registration number, legal name, status, legal form, activity code, registered address, creation date, headcount range, source

## Agent Toolworks' plans (4)

- [Agent Toolworks, free](https://datacircle.dev/business-verification-apis/agent-toolworks/free/llms.txt): $0.00 per 1,000, 55% complete, live
- [Agent Toolworks, $10 pack](https://datacircle.dev/business-verification-apis/agent-toolworks/10-pack/llms.txt): $10.00 per 1,000, 55% complete, live
- [Agent Toolworks, $45 pack](https://datacircle.dev/business-verification-apis/agent-toolworks/45-pack/llms.txt): $9.00 per 1,000, 55% complete, live
- [Agent Toolworks, $80 pack](https://datacircle.dev/business-verification-apis/agent-toolworks/80-pack/llms.txt): $8.00 per 1,000, 55% complete, live

## Agent Toolworks' calls for this API (1)

- `POST /mcp`: [Agent Toolworks, free](https://datacircle.dev/business-verification-apis/agent-toolworks/free/llms.txt)

## Agent Toolworks' APIs (4)

- [Agent Toolworks Business verification API pricing, 4 plans](https://datacircle.dev/business-verification-apis/agent-toolworks/free/llms.txt)
- [Agent Toolworks Company enrichment API pricing, 4 plans](https://datacircle.dev/company-enrichment-apis/agent-toolworks/free/llms.txt)
- [Agent Toolworks Company open jobs API pricing, 4 plans](https://datacircle.dev/company-open-job-apis/agent-toolworks/free/llms.txt)
- [Agent Toolworks Job postings API pricing, 4 plans](https://datacircle.dev/job-posting-apis/agent-toolworks/free/llms.txt)

## Agent Toolworks: business verification API alternatives

[Agent Toolworks alternatives: other business verification API providers by price](https://datacircle.dev/agent-toolworks-alternatives.txt)

We list Agent Toolworks' cheapest paid plan first. Next we list other providers' plans closest to Agent Toolworks in price per 1,000 companies. Each plan in the list gives live data.

- [Agent Toolworks, $80 pack](https://datacircle.dev/business-verification-apis/agent-toolworks/80-pack/llms.txt): $8.00 per 1,000, 55% complete, live
- [Verif Entreprise FR, pay as you go, x402 pay per call, POST /v1/verify/batch](https://datacircle.dev/business-verification-apis/verif-entreprise-fr/pay-as-you-go-x402-pay-per-call-post-v1-verify-batch/llms.txt): $8.00 per 1,000, 64% complete, live
- [Croma, $799 monthly, Scale, POST /us/delaware/entity/v1](https://datacircle.dev/business-verification-apis/croma/799-monthly-scale-post-us-delaware-entity-v1/llms.txt): $8.00 per 1,000, 45% complete, live
- [Agent Data Tools, $100 pack, 125,000 credits, GET /vat/validate](https://datacircle.dev/business-verification-apis/agent-data-tools/100-pack-125000-credits-get-vat-validate/llms.txt): $8.00 per 1,000, 27% complete, live
- [Xynaptic, top-up from $0.50, Prepaid ticket, GET /v1/company-international-search](https://datacircle.dev/business-verification-apis/xynaptic/top-up-from-0-50-prepaid-ticket-get-v1-company-international-search/llms.txt): $8.00 per 1,000, 27% 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 2026-11-10.

- https://agenttoolworks.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://agenttoolworks.com/blog/verify-a-company-from-an-ai-agent?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://agenttoolworks.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://agenttoolworks.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://agenttoolworks.com/servers/verifydesk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://agenttoolworks.com/status?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://agenttoolworks.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://agenttoolworks.com/use-cases/french-company-lookup-siren-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing