# Baselayer, pay as you go: Business verification API

> Business Search is Baselayer’s foundational Know Your Business (KYB) product. It verifies business identity by matching your input against authoritative government registries (Secretary of State filings across all 50 states) [...]

Baselayer's business verification API on its Baselayer Startup (Nevermined) plan. It costs $1000.00 per 1,000 companies. It returns 7 of the 11 key fields we check: Registered name, Entity number, Tax ID, Status, Formation date, Registered agent, Filings.
Half of the 31 plans we rank by price cost $19.90 per 1,000 companies or less. This plan is the most expensive of the 31 plans.
[OpenSOSData's $500 monthly plan](https://datacircle.dev/business-verification-apis/opensosdata/500-monthly-scale-cached-post-v1-lookup/llms.txt) is the cheapest paid plan per 1,000 companies: $5.00.

- This page: https://datacircle.dev/business-verification-apis/baselayer/pay-as-you-go
- Get it: https://docs.baselayer.com/docs/nevermined-agentic-access-x402
- Request: `POST https://api.baselayer.com/alpha/searches`
- API key: with the plan, on https://docs.baselayer.com/docs/nevermined-agentic-access-x402
- Its API docs: https://docs.baselayer.com/api-reference/search/post-search
- Sold by: Baselayer (https://baselayer.com)
- Checked: 2026-10-30

## In the answer

- Completeness: 64%
- Registered name: ✓
- Entity number: ✓
- Tax ID: ✓
- Status: ✓
- Formation date: ✓
- Registered agent: ✓
- Filings: ✓

## Price

- $ per 1,000 companies: $1000.00
- Per: call
- Billing: pay as you go

## In their words

- Their pitch: Business Search is Baselayer’s foundational Know Your Business (KYB) product. It verifies business identity by matching your input against authoritative government registries (Secretary of State filings across all 50 states) [...]

## Data

- Freshness: 1 week
- Keep data: no limit
- Use data: "Customer may not resell, share, disclose, modify or create derivative works from Baselayer Data, and may only access, store, and use Baselayer Data for Customer’s internal business purposes subject to the terms and conditions of this Agreement." [...] "Customer may use Baselayer Data to decide whether to onboard, do business with, or extend credit to a business, including a sole proprietorship." "Customer will not use Baselayer Data for any purpose the FCRA covers, including to decide whether an individual is eligible for credit or insurance for personal, family or household purposes, for employment (including hiring, promotion or retention), or for housing. Customer will not use Baselayer Data to harass, stalk, threaten or harm any person." [...] "Customer may not, directly or indirectly, and may not authorize any third party to: (a) use the Service to develop a similar or competing product or service, [...] (e) publish benchmarks or performance information about the Service, [...] or (l) access or use the Service in a manner that violates any applicable relevant local, state, federal or international laws, regulations and conventions, including those related to data privacy or data transfer, international communications, or export of data."

## Plan

- Pay: per call
- You get: 100 credits
- Enough for: 10 calls

## Rate limit

- Batch: 1

## Speed

- Answer: in the call or by polling

## The call

- You send: name, address. Optional: officer_names, website, phone_number, email, alternative_names, tin, options, reference_id, Prefer, Idempotency-Key
- Method: POST
- Path: /searches

## About the plan

- Plan: Baselayer Startup (Nevermined)
- Who can get it: business use only, 18 or over

## The 144 fields the plan's answer can hold

search ID, search state, ordered add-ons, requesting user first name, requesting user last name, requesting user email, idempotency key, searched name, searched address, searched address street, searched address city, searched address state, searched address ZIP code, searched address latitude, searched address longitude, searched address residential delivery indicator, searched address deliverable, searched address commercial mail receiving agency, searched address delivery type, searched address URL, searched officer names, searched alternative names, searched website, searched phone number, searched email, searched TIN, reference ID, TIN matched, TIN match type, potential TIN match, watchlist hit code, watchlist hit name, watchlist hit count, watchlist hit details, business name match, business address match, business officer match, registered agent match, business website match, business website redirect match, search address validation level, verified, score type, score, rating, reason codes, created at, updated at, URL, status URL, business URL, console URL, business ID, business name, legal structure, business address street, business address city, business address state, business address ZIP code, business address latitude, business address longitude, business address residential delivery indicator, business address deliverable, business address commercial mail receiving agency, business address delivery type, business address URL, business address sources, business phone numbers, business email, business website, social profile site, social profile username, social profile confidence, social profile URL, social profile found on, social profile bio, social profile followers count, social profile verified, social profile business account, review source, review URL, review confidence, review rating, review volume, review summary, review text, review date, review username, directory listing source, directory listing URL, directory listing category, directory listing business name, directory listing people, EIN, incorporation state, incorporation date, months in business, primary address street, primary address city, primary address state, primary address ZIP code, primary address latitude, primary address longitude, primary address residential delivery indicator, primary address deliverable, primary address commercial mail receiving agency, primary address delivery type, primary address URL, alternative names, registration ID, registered name, registration issue date, registration inactive date, registration dissolution date, last annual report date, file number, registration state, registration address, registration type, registration status, registration standing, registered agent name, registered agent address, registration officers, registration status description, taxpayer number, registration source, business officer name, business officer titles, business officer states, business officer sources, predicted NAICS code, predicted NAICS title, predicted NAICS accuracy, predicted NAICS keywords, MCC codes, SIC codes, predicted NAICS risk level, predicted NAICS reasoning, SEC CIK, SEC tickers, SEC exchanges, SEC EDGAR URL, revenue

## Baselayer's plans (8)

- [Baselayer, pay as you go](https://datacircle.dev/business-verification-apis/baselayer/pay-as-you-go/llms.txt): $1000.00 per 1,000, 64% complete, 1 week
- [Baselayer, $150 monthly, Start-up, 500 credits / month, POST /searches](https://datacircle.dev/business-verification-apis/baselayer/150-monthly-start-up-500-credits-month-post-searches/llms.txt): 64% complete, 1 week
- [Baselayer, $300 monthly, Start-up, 1,000 credits / month, POST /searches](https://datacircle.dev/business-verification-apis/baselayer/300-monthly-start-up-1000-credits-month-post-searches/llms.txt): 64% complete, 1 week
- [Baselayer, $600 monthly, Start-up, 2,000 credits / month, POST /searches](https://datacircle.dev/business-verification-apis/baselayer/600-monthly-start-up-2000-credits-month-post-searches/llms.txt): 64% complete, 1 week
- [Baselayer, $750 monthly, Growth, 3,000 credits / month, POST /searches](https://datacircle.dev/business-verification-apis/baselayer/750-monthly-growth-3000-credits-month-post-searches/llms.txt): 64% complete, 1 week
- [Baselayer, $1,500 monthly, Growth, 6,000 credits / month, POST /searches](https://datacircle.dev/business-verification-apis/baselayer/1500-monthly-growth-6000-credits-month-post-searches/llms.txt): 64% complete, 1 week
- [Baselayer, $2,500 monthly, Growth, 10,000 credits / month, POST /searches](https://datacircle.dev/business-verification-apis/baselayer/2500-monthly-growth-10000-credits-month-post-searches/llms.txt): 64% complete, 1 week
- [Baselayer, contact us, Enterprise, POST /searches](https://datacircle.dev/business-verification-apis/baselayer/contact-us-enterprise-post-searches/llms.txt): 64% complete, 1 week

## Baselayer's calls (2)

- `POST /searches`: [Baselayer, pay as you go](https://datacircle.dev/business-verification-apis/baselayer/pay-as-you-go/llms.txt)
- `POST /international/searches`: [Baselayer, $150 monthly, Start-up, 500 credits / month, POST /international/searches](https://datacircle.dev/business-verification-apis/baselayer/150-monthly-start-up-500-credits-month-post-international-searches/llms.txt)

## Baselayer's APIs (1)

- [Baselayer: business verification API pricing, 8 plans](https://datacircle.dev/business-verification-apis/baselayer/pay-as-you-go/llms.txt)

## Baselayer: business verification API alternatives

- [Cobalt Intelligence, free lookups, GET /v1/search](https://datacircle.dev/business-verification-apis/cobalt-intelligence/free-lookups-get-v1-search/llms.txt): $0.00 per 1,000, 64% complete, live
- [Registry Lookup, free](https://datacircle.dev/business-verification-apis/registry-lookup/free/llms.txt): $0.00 per 1,000, 27% complete, 7 days
- [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

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-30.

- https://api.live.nevermined.app/api/v1/protocol/plans/64016128970723825062202451177754352720194073054658343333156009220723821177122
- https://baselayer.com/pricing
- https://baselayer.com/terms-of-service
- https://docs.baselayer.com/api-reference/openapi.json
- https://docs.baselayer.com/api-reference/search/get-search.md
- https://docs.baselayer.com/api-reference/search/post-search.md
- https://docs.baselayer.com/docs/business-search-basics.md
- https://docs.baselayer.com/docs/nevermined-agentic-access-x402.md
- https://docs.baselayer.com/docs/synchronous-asynchronous-request-execution