# FileSure, free: Business verification API

> Ranked candidates with address, status, incorporation date and directors — disambiguate a messy name without a second lookup.

FileSure's business verification API on its Sandbox plan. It costs $0.00 per 1,000 companies. It returns 6 of the 11 key fields we check: Registered name, Entity number, Status, Formation date, Principal address, Officers.
You get up to 1,296,000 calls a month.
We rank 654 plans by price. [Scoris's €99 monthly plan](https://datacircle.dev/business-verification-apis/scoris/99-monthly/llms.txt) is the cheapest paid plan per 1,000 companies: as little as $0.021. Scoris's plan covers companies in 8 countries only. Scoris's €99 monthly plan covers up to 5,184,000 companies a month at no extra cost.
[Scoris's €19 pack](https://datacircle.dev/business-verification-apis/scoris/19-pack/llms.txt) covers any number of companies. Scoris's €19 pack costs less to start than Scoris's €99 monthly plan.
[INSEE](https://datacircle.dev/business-verification-apis/insee/free/llms.txt), [CZ Agents](https://datacircle.dev/business-verification-apis/cz-agents/free/llms.txt) and [ARES](https://datacircle.dev/business-verification-apis/ares/free/llms.txt) are the best business verification API providers in our benchmark.

- This page: https://datacircle.dev/business-verification-apis/filesure/free
- [Best business verification API in 2026: pricing compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://api.filesure.in/pricing.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://api.filesure.in/v1/companies/resolve`
- API key: with the plan, on https://api.filesure.in/pricing.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://api.filesure.in/reference/resolve-company.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: FileSure (https://api.filesure.in?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-01

## In the answer

- Completeness: 55%
- Registered name: ✓
- Entity number: ✓
- Status: ✓
- Formation date: ✓
- Principal address: ✓
- Officers: ✓

## 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: Ranked candidates with address, status, incorporation date and directors — disambiguate a messy name without a second lookup.

## Data

- Freshness: 1 day
- Countries: India
- Keep data: no limit
- Use data: Subject to your compliance with these Terms, you may use the API and the data it returns to build, operate, and improve your own applications, products, and internal systems. [...] You shall not: resell, redistribute, sublicense, or otherwise make available the raw API responses in bulk as a standalone data product, data feed, or as a substitute for the API, or use the Services to build a competing data API, misrepresent the source of the data or remove, alter, or obscure any attribution, proprietary notices, or labels, attempt to gain unauthorized access to any portion of the Services, other accounts, or connected systems, or interfere with or disrupt the integrity, security, or performance of the Services, circumvent, disable, or exceed rate limits, usage quotas, billing, or any authentication mechanism, use the Services to transmit malware or harmful code, or to engage in any unlawful, deceptive, defamatory, or infringing activity, use the data in any manner that violates applicable laws, including data-protection, anti-spam, or telemarketing regulations. [...] Except as expressly permitted, you shall not, without Filesure's prior written consent: reproduce, redistribute, or commercially exploit the raw API responses in bulk as a standalone dataset or competing data service, reverse engineer, decompile, disassemble, or attempt to derive the source code or underlying technology of the Services, remove, alter, or obscure any proprietary notices, or use the Services in any manner that infringes third-party rights or violates applicable law.

## Plan

- Pay: $0
- Enough for: 1,296,000 calls a month

## Rate limit

- Per second: 0.5
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: one of q or name. Optional: state, city, limit
- Method: GET
- Path: /v1/companies/resolve

## About the plan

- Plan: Sandbox
- Who can get it: anyone who registers an account

## The 20 fields the plan's answer can hold

query, entity number, entity number type, registered name, status, formation date, registered address, street address, city, state, postal code, country, activity code, activity description, officers, officer identification number, officer name, officer designation, promoter indicator, match score

## FileSure's plans (3)

- [FileSure, free](https://datacircle.dev/business-verification-apis/filesure/free/llms.txt): $0.00 per 1,000, 55% complete, 1 day
- [FileSure, top-up from ₹10,000](https://datacircle.dev/business-verification-apis/filesure/top-up-from-10000/llms.txt): $52.65 per 1,000, 55% complete, 1 day
- [FileSure, contact us](https://datacircle.dev/business-verification-apis/filesure/contact-us/llms.txt): 55% complete, 1 day

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

- `GET /v1/companies/resolve`: [FileSure, free](https://datacircle.dev/business-verification-apis/filesure/free/llms.txt)

## FileSure's APIs (2)

- [FileSure: business verification API pricing, 3 plans](https://datacircle.dev/business-verification-apis/filesure/free/llms.txt)
- [FileSure: company enrichment API pricing, 3 plans](https://datacircle.dev/company-enrichment-apis/filesure/free/llms.txt)

## FileSure: business verification API alternatives

- [OpenSOSData, $250 pack, Scale, POST /v1/bulk-lookup/upload](https://datacircle.dev/business-verification-apis/opensosdata/250-pack-scale-post-v1-bulk-lookup-upload/llms.txt): $50.00 per 1,000, 100% complete, live
- [Strale, pay as you go, x402 (USDC on Base), GET /x402/v2/belgian-company-data](https://datacircle.dev/business-verification-apis/strale/pay-as-you-go-x402-usdc-on-base-get-x402-v2-belgian-company-data/llms.txt): $54.00 per 1,000, 64% complete, live
- [North Data, €5,100 monthly, Data API M, requests 50,001 and more](https://datacircle.dev/business-verification-apis/north-data/5100-monthly-data-api-m-requests-50001-and-more/llms.txt): $56.265 per 1,000, 55% complete, 1 day
- [Inforegister, €500 monthly](https://datacircle.dev/business-verification-apis/inforegister/500-monthly/llms.txt): $56.265 per 1,000, 18% complete, 1 day

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-01.

- https://api.filesure.in?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://api.filesure.in/data.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://api.filesure.in/legal/terms.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://api.filesure.in/llms-full.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://api.filesure.in/pricing.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://api.filesure.in/reference/resolve-company.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing