# The KYB, free, Plus activation: 2 free credits, POST /api/search: Business verification API

> The "The KYB" API provides developers with real-time access to authentic data from government registries across 225 countries and states.

The KYB's business verification API on its Plus activation: 2 free credits plan. It costs $0.00 per 1,000 companies. It returns 8 of the 11 key fields we check: Registered name, Entity number, Entity type, Status, Formation date, Principal address, Officers, Filings.
We rank 523 plans by price. [KVK's €6.40 monthly plan](https://datacircle.dev/business-verification-apis/kvk/6-40-monthly/llms.txt) is the cheapest paid plan per 1,000 companies: as little as $0.024. KVK's €6.40 monthly plan covers up to 300,000 companies a month at no extra cost.

- This page: https://datacircle.dev/business-verification-apis/the-kyb/free-plus-activation-2-free-credits-post-api-search
- Get it: https://thekyb.com/pricing
- Request: `POST https://api.thekyb.com/api/search`
- API key: with the plan, on https://thekyb.com/pricing
- Its API docs: https://developers.thekyb.com/docs/services/kyb_check#company-search
- Sold by: The KYB (https://thekyb.com)
- Checked: 2026-10-31

## In the answer

- Completeness: 73%
- Registered name: ✓
- Entity number: ✓
- Entity type: ✓
- Status: ✓
- Formation date: ✓
- Principal address: ✓
- Officers: ✓
- Filings: ✓

## Price

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

## Aggregators

- Aggregators: none

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: The "The KYB" API provides developers with real-time access to authentic data from government registries across 225 countries and states.

## Data

- Freshness: live
- Keep data: no limit
- Use data: a limited, non-exclusive, non-transferable, non-sublicensable, and revocable license for the duration of the Term. This license permits the Client to access and utilize the Cloud Services via a supported web application or REST APIs, in strict compliance with the Documentation. [...] The Client is strictly prohibited from engaging in any of the following activities: The Client must not grant access to or allow any third party to use the Cloud Services. The Client may not republish, redistribute, or make any part of the Cloud Services publicly available. [...] The Client is expressly prohibited from engaging in the white-labeling, resale, or any other form of commercial exploitation of the Cloud Services without obtaining prior written approval from the Service Provider.

## Plan

- Pay: $0
- You get: 2 credits
- Enough for: 2 calls, once
- Expires: Any unused verification checks remaining at the end of a billing cycle or contractual term shall not be carried over to any subsequent term

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: by polling or webhook

## The call

- You send: one of search or registration_number, country_names, services "kyb_check". Optional: search_type, ttl
- Method: POST
- Path: /api/search

## About the plan

- Plan: Plus activation: 2 free credits
- Who can get it: anyone: its terms bind the Client, who orders the Cloud Services through a Statement of Work

## The 86 fields the plan's answer can hold

request ID, searched name, searched registration number, searched country codes, search type, services requested, request status, total results, page, results per page, last page, first result number, last result number, registered name, registration number, registration date, company type, company status, risk level, verification status, available data modules, fetch status, description, incorporation date, industries, tax number, dissolution date, inactive date, last updated at, people network, registry details, contacts, previous names, addresses, announcements, officers, beneficial owners, parent companies, branches, accounts detail, confirmation statement detail, extra details, identifiers, capital stock, industry code, ownership structure, financial details, registries, additional details, service ID, resolved percentage, fetched countries, fetched states, secondary source, company ID, primary source, favorite, registration period, incorporation period, years since dissolution, similar companies, officer designations, officer nationalities, filings, key figures table, overview financial close table, industry keywords, solidity, profit margin, cash flow, financial statement periods, income statement, wages, balance sheet, country name, country flag, jurisdiction code, key figures graphs, organization structure, people graph, affiliated companies, working on files, services in progress, services completed, ownership shares, voting shares

## The KYB's plans (3)

- [The KYB, free, Plus activation: 2 free credits, POST /api/search](https://datacircle.dev/business-verification-apis/the-kyb/free-plus-activation-2-free-credits-post-api-search/llms.txt): $0.00 per 1,000, 73% complete, live
- [The KYB, $300 pack, Plus, POST /api/search](https://datacircle.dev/business-verification-apis/the-kyb/300-pack-plus-post-api-search/llms.txt): $3000.00 per 1,000, 73% complete, live
- [The KYB, contact us, Enterprise, POST /api/search](https://datacircle.dev/business-verification-apis/the-kyb/contact-us-enterprise-post-api-search/llms.txt): 73% complete, live

## The KYB's calls (2)

- `POST /api/search`: [The KYB, free, Plus activation: 2 free credits, POST /api/search](https://datacircle.dev/business-verification-apis/the-kyb/free-plus-activation-2-free-credits-post-api-search/llms.txt)
- `POST /v2/kyb`: [The KYB, free, Plus activation: 2 free credits, POST /v2/kyb](https://datacircle.dev/business-verification-apis/the-kyb/free-plus-activation-2-free-credits-post-v2-kyb/llms.txt)

## The KYB's APIs (1)

- [The KYB: business verification API pricing, 3 plans, POST /api/search](https://datacircle.dev/business-verification-apis/the-kyb/free-plus-activation-2-free-credits-post-api-search/llms.txt)

## The KYB: business verification API alternatives

- [NeuralVerge, $1,000 monthly, Enterprise, POST /functions/v1/run-lei-lookup-companies-search](https://datacircle.dev/business-verification-apis/neuralverge/1000-monthly-enterprise-post-functions-v1-run-lei-lookup-companies-search/llms.txt): $1.00 per 1,000, 55% complete, live
- [Scavio, top-up from $25](https://datacircle.dev/business-verification-apis/scavio/top-up-from-25/llms.txt): $10.00 per 1,000, 45% complete, live
- [OpenSOSData, $50 pack, Starter, POST /v1/bulk-lookup/upload](https://datacircle.dev/business-verification-apis/opensosdata/50-pack-starter-post-v1-bulk-lookup-upload/llms.txt): $100.00 per 1,000, 100% complete, live
- [Strale, top-up from €10, Prepaid wallet, POST /v1/do, KYB Complete — Singapore](https://datacircle.dev/business-verification-apis/strale/top-up-from-10-prepaid-wallet-post-v1-do-kyb-complete-singapore/llms.txt): $3038.31 per 1,000, 0% 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 2026-10-31.

- https://developers.thekyb.com/docs/additional_features/rate_limiting
- https://developers.thekyb.com/docs/additional_features/webhooks
- https://developers.thekyb.com/docs/authorization
- https://developers.thekyb.com/docs/introduction
- https://developers.thekyb.com/docs/services/kyb_check
- https://developers.thekyb.com/docs/services/kyb_check_v2
- https://thekyb.com
- https://thekyb.com/our-data/costa-rica
- https://thekyb.com/pricing
- https://thekyb.com/terms-of-use