# Poland business verification API pricing: free and cheapest plans compared

Business verification APIs for Poland side by side: what 1,000 companies cost and how fresh the data is. [IsValid's €9 monthly plan](https://datacircle.dev/business-verification-apis/isvalid/free-get-v0-pl-ceidg#9-monthly-starter-get-v0-pl-ceidg) costs the least for 10,000 companies a month: about $10.13. We list 38 Poland business verification API plans, 9 of them free. [IsValid](https://datacircle.dev/business-verification-apis/isvalid/free-get-v0-pl-ceidg)'s free plan gives the most: 3,000 companies a month.

1. [Tropia, PLN 50 (about $13) pack: Business verification API](https://datacircle.dev/business-verification-apis/tropia/pln-50-pack/llms.txt): Overall score 65.3 (Price 17, Accuracy 100, Cost to get started 92, Bundle 92, Performance N/A), $7.725 per 1,000 companies
2. [Anysite, free trial: Business verification API](https://datacircle.dev/business-verification-apis/anysite/free-trial-post-api-krs-companies-search/llms.txt): $0.00 per 1,000 companies
3. [CEIDG, free: Business verification API](https://datacircle.dev/business-verification-apis/ceidg/free/llms.txt): $0.00 per 1,000 companies
4. [GUS REGON, free: Business verification API](https://datacircle.dev/business-verification-apis/gus-regon/free/llms.txt): $0.00 per 1,000 companies
5. [IsValid, free: Business verification API](https://datacircle.dev/business-verification-apis/isvalid/free-get-v0-pl-ceidg/llms.txt): $0.00 per 1,000 companies
6. [IsValid, free: Business verification API](https://datacircle.dev/business-verification-apis/isvalid/free-get-v0-pl-krs/llms.txt): $0.00 per 1,000 companies
7. [IsValid, free: Business verification API](https://datacircle.dev/business-verification-apis/isvalid/free-get-v0-pl-regon/llms.txt): $0.00 per 1,000 companies
8. [NeuralVerge, $50 monthly, Base: Business verification API](https://datacircle.dev/business-verification-apis/neuralverge/50-monthly-base-post-functions-v1-run-pl-companies-search/llms.txt): $1.00 per 1,000 companies
9. [OpenVerbs, pay as you go, x402 per call: Business verification API](https://datacircle.dev/business-verification-apis/openverbs/pay-as-you-go-x402-per-call-post-v1-poland/llms.txt): $6.00 per 1,000 companies
10. [QubitOn, free: Business verification API](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-plbusinessregistration-lookup/llms.txt): $0.00 per 1,000 companies
11. [Rejestr.io, top-up: Business verification API](https://datacircle.dev/business-verification-apis/rejestr-io/top-up/llms.txt): $12.876 per 1,000 companies
12. [Strale, free trial credits: Business verification API](https://datacircle.dev/business-verification-apis/strale/free-trial-credits-post-v1-do-polish-company-data/llms.txt): $0.00 per 1,000 companies
13. [Strale, pay as you go, x402 (USDC on Base): Business verification API](https://datacircle.dev/business-verification-apis/strale/pay-as-you-go-x402-usdc-on-base-get-x402-v2-polish-company-data/llms.txt): $54.00 per 1,000 companies
14. [Synteza, PLN 99 (about $25) monthly: Business verification API](https://datacircle.dev/business-verification-apis/synteza/pln-99-monthly/llms.txt): $10.30 per 1,000 companies
15. [Transparent Data, contact us: Business verification API](https://datacircle.dev/business-verification-apis/transparent-data/contact-us/llms.txt)

[The whole sheet as CSV](https://datacircle.dev/gtm-apis.csv), [as JSON](https://datacircle.dev/gtm-apis.json), [the catalog's files as a zip](https://datacircle.dev/gtm-apis.zip), and [what each column and key means](https://datacircle.dev/fields)