# BizVerify, free, POST /v1/search: Business verification API

> KYB for AI agents. The cheapest, most coverage-dense agent-native verification API.

BizVerify's business verification API on its Free plan. It costs $0.00 per 1,000 companies. It returns 1 of the 11 key fields we check: Entity number.
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/bizverify/free-post-v1-search
- Get it: https://docs.bizverify.co/guides/billing
- Request: `POST https://api.bizverify.co/v1/search`
- API key: with the plan, on https://docs.bizverify.co/guides/billing
- Its API docs: https://docs.bizverify.co/guides/lead-enrichment#resolve-fuzzy-names-with-search
- Sold by: BizVerify (https://bizverify.co)
- Checked: 2026-10-31

## In the answer

- Completeness: 9%
- Entity number: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Verify Business · Entity history

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: KYB for AI agents. The cheapest, most coverage-dense agent-native verification API.

## Data

- Keep data: reasonable periods
- Use data: Integrating BizVerify into your application to verify business entities as part of your KYB, onboarding, or compliance workflows. [...] Displaying verification results to your end users as part of your product or service. [...] You may not use the Service to: Resell or redistribute raw data — You may not resell, sublicense, or redistribute raw government registry data obtained through the Service as a standalone dataset or data feed. Build a competing service — You may not use the Service to build, operate, or supply data to a business verification service that competes with BizVerify. Bulk data harvesting — You may not systematically download or cache the entire contents of any government registry through the Service. Scraping or crawling — You may not scrape, crawl, or spider the API or any BizVerify web properties. Rate limit circumvention — You may not circumvent, bypass, or attempt to exceed published rate limits, including by rotating API keys, using multiple accounts, or distributing requests across proxies. Authentication bypass — You may not circumvent, tamper with, or bypass authentication, authorization, or billing mechanisms. Vulnerability exploitation — You may not probe, scan, or test the Service for vulnerabilities without prior written authorization from BizVerify. Service disruption — You may not attempt to degrade, disrupt, or overload the Service or its underlying infrastructure. Using the Service for any purpose that violates applicable law or regulation. Using the Service to facilitate fraud, identity theft, or financial crime. Using the Service in violation of export control or sanctions regulations.

## Plan

- Pay: $0
- You get: 50 credits a month
- Enough for: 25 calls a month
- Expires: free-tier credits replenish monthly and cannot be accumulated

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: in the call or by polling

## The call

- You send: entity_name. Optional: jurisdiction, entity_type, limit, offset
- Method: POST
- Path: /v1/search

## About the plan

- Plan: Free
- Who can get it: anyone with a verified email address

## The 6 fields the plan's answer can hold

total results, entity ID, confidence, jurisdictions searched, jurisdictions failed, credits charged

## BizVerify's plans (5)

- [BizVerify, free, POST /v1/search](https://datacircle.dev/business-verification-apis/bizverify/free-post-v1-search/llms.txt): $0.00 per 1,000, 9% complete
- [BizVerify, $8 pack, Starter, POST /v1/search](https://datacircle.dev/business-verification-apis/bizverify/8-pack-starter-post-v1-search/llms.txt): $160.00 per 1,000, 9% complete
- [BizVerify, $35 pack, Pro, POST /v1/search](https://datacircle.dev/business-verification-apis/bizverify/35-pack-pro-post-v1-search/llms.txt): $140.00 per 1,000, 9% complete
- [BizVerify, $120 pack, Business, POST /v1/search](https://datacircle.dev/business-verification-apis/bizverify/120-pack-business-post-v1-search/llms.txt): $120.00 per 1,000, 9% complete
- [BizVerify, $500 pack, Enterprise, POST /v1/search](https://datacircle.dev/business-verification-apis/bizverify/500-pack-enterprise-post-v1-search/llms.txt): $100.00 per 1,000, 9% complete

## BizVerify's calls (3)

- `POST /v1/search`: [BizVerify, free, POST /v1/search](https://datacircle.dev/business-verification-apis/bizverify/free-post-v1-search/llms.txt)
- `POST /v1/verify`, Verify Business: [BizVerify, free, POST /v1/verify, Verify Business](https://datacircle.dev/business-verification-apis/bizverify/free-post-v1-verify-verify-business/llms.txt)
- `POST /v1/verify`, Verify Business, full: [BizVerify, free, POST /v1/verify, Verify Business, full](https://datacircle.dev/business-verification-apis/bizverify/free-post-v1-verify-verify-business-full/llms.txt)

## BizVerify's APIs (1)

- [BizVerify: business verification API pricing, 5 plans, POST /v1/search](https://datacircle.dev/business-verification-apis/bizverify/free-post-v1-search/llms.txt)

## BizVerify: business verification API alternatives

- [Deepline, $395 monthly, Growth, POST /api/v2/integrations/opensosdata_business_lookup/execute](https://datacircle.dev/business-verification-apis/deepline/395-monthly-growth-post-api-v2-integrations-opensosdata-business-lookup-execute/llms.txt): $86.90 per 1,000, 64% complete
- [OpenSOSData, $50 pack, Starter, POST /v1/lookup](https://datacircle.dev/business-verification-apis/opensosdata/50-pack-starter-post-v1-lookup/llms.txt): $100.00 per 1,000, 100% complete, live
- [Anysite, $200 monthly, Growth, POST /api/arizona/companies/search](https://datacircle.dev/business-verification-apis/anysite/200-monthly-growth-post-api-arizona-companies-search/llms.txt): $100.00 per 1,000, 64% complete
- [North Data, €500 monthly, Data API M](https://datacircle.dev/business-verification-apis/north-data/500-monthly-data-api-m/llms.txt): $112.53 per 1,000, 55% 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 2026-10-31.

- https://api.bizverify.co/v1/openapi.json
- https://bizverify.co
- https://bizverify.co/acceptable-use
- https://bizverify.co/terms
- https://docs.bizverify.co/authentication
- https://docs.bizverify.co/guides/ai-agents
- https://docs.bizverify.co/guides/async-jobs
- https://docs.bizverify.co/guides/billing
- https://docs.bizverify.co/guides/lead-enrichment
- https://docs.bizverify.co/guides/rate-limits