Kratko EIN Validator

Financial Freemium View on RapidAPI ↗

Real-time EIN validation API for B2B payment onboarding and KYB compliance. Validates 9-digit EINs against IRS prefix assignment rules and returns the issuing IRS campus, validity status, and formatted EIN. ### Response includes - Valid/invalid determination - Formatted EIN (XX-XXXXXXX) - IRS prefix - Issuing campus location ### Use cases - B2B payment onboarding - KYB (Know Your Business)…

8.8/10 popularity
107 ms avg latency
100% success rate
1 endpoints
The in-depth APIMemo review for this API hasn't been published yet — the data below comes straight from the public marketplace listing.

Kratko EIN Validator endpoints

MethodEndpointDescription
GET EIN Validator
/v1/tools/ein/{ein} 		Validates US Employer Identification Numbers against IRS prefix assignment rules. Returns validity, issuing campus, and format details.

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