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EIN Verification API

EIN Verification for seamless business onboarding

Streamline your KYB process and onboard legally incorporated businesses in the US by ensuring the business and its owners have legitimate identities through effective Employer Identification Number check.

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Trusted by industry leaders

Eliminate business fraud with foolproof EIN checks

Simplify tax filings, analyse business risk, and expand globally with one API

100%

Data accuracy

All company data is sourced directly from official sources, ensuring 100% state coverage and zero room for error.

30+

Business data points

Instantly access business name, address, phone number, license, industry classification, Liens and litigations, and more.

50

States coverage

In addition to EIN check, validate Tax ID number, screen government-approved watchlists, and much more across states.

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It’s easier to build trust with Signzy’s EIN API

Verify EIN and unlock new business opportunities with confidence

Manual EIN

Eliminates manual EIN lookups

To help you verify if a business is legitimate, risk-free, and registered with the IRS. All within seconds!

EIN data sources

Uses reliable EIN data sources

So you get EIN-related information directly from official global databases that update every few hours.

Business risks

Notifies you about business risks

To help you stay ahead of potential risk by getting notified about existing or previously onboarded businesses.

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What can you do with Signzy’s EIN Search tool?

Businesses in the U.S trust Signzy to simplify their EIN search processes. Here’s why.

Automate your bulk EIN lookups

Eliminate your routine manual EIN lookups and EIN database searches. Simply upload the EIN entries and validate within seconds. This is the perfect tool to bulk verify EINs and validate already onboarded businesses.

automate your bulk EIN in seconds

Validate and verify EINs at a single place

Check if input EIN and business name are a match, and also get detailed company information like business name, address, phone number, Tax ID, license, UBO, bankruptcy data, watchlist hits, and much more.

Validate EIN at a single stop

Get reliable and updated company data

Make business onboarding decisions with data retrieved from trusted state sources. Our EIN lookup API is regularly refreshed (<2 hours), so you never have to wait to build a business relationship.

Get reliable and trustworthy company data
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For all your business verification needs

Signzy’s Business and EIN Check tools give you the small details and the big picture behind any business

Know your Business

Beyond EIN verification, validate the Tax ID number, screen government-approved watchlists, check business bankruptcy filings, and verify UBOs

EIN Verification

Get accurate validation of EINs against official records to support KYB, vendor onboarding, employee checks, contract management, and more

EIN Fetch

Conduct a comprehensive verification process with extensive details such as business name and address associated with an EIN

EIN Lookup

Access efficient and accurate EIN retrieval based on the legal entity name, get vital tax-related info and eliminate manual research

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Get comprehensive EIN lookup for any use case

Name a business scenario, and an EIN is probably needed

Tax Compliance and Reporting

  • Tax Filings:
Individuals and businesses can use the API to ensure accurate tax filings by verifying the EIN associated with a specific legal entity name.
  • Tax Preparation Software:
Tax preparation software can integrate the API to assist users in automatically populating EINs when preparing tax returns.

Financial Transactions

  • Lending and Loans:
Financial institutions can use the API to verify the EIN of businesses applying for loans, ensuring that the entity is legitimate and reducing the risk of fraud.
  • Investment and Banking:
Investment firms and banks can use the API to validate the identity of business clients and streamline account opening processes.

Vendor and Supplier Verification

  • Vendor Screening:
Companies can quickly verify the EINs of potential vendors and suppliers when onboarding new business partners, improving supply chain management.
  • Procurement:
Procurement departments can use the API to verify vendor EINs to ensure compliance with company policies.

Legal and Compliance

  • Contract Management:
Legal departments can utilize the API to confirm the EIN of contracting parties and ensure the accuracy of contract information.
  • Regulatory Compliance:
Organizations subject to regulatory requirements can use the API to validate EINs for compliance purposes.

Nonprofit and Grant Management

  • Grant Verification:
Nonprofit organizations and grant administrators can verify the EINs of grant applicants to ensure eligibility and compliance with grant requirements.
  • Donor Management:
Nonprofits can use the API to validate the EINs of donors for tracking contributions and issuing tax receipts.

Insurance Industry

  • Policy Administration:
Insurance companies can validate the EINs of policyholders and beneficiaries to ensure that policies are correctly issued and claims are processed accurately.

Government Services

  • Business Licensing:
Government agencies can incorporate the API into business registration and licensing processes to verify legal entity names and associated EINs.
  • Tax Enforcement:
Tax authorities can use the API to cross-reference legal entity names with registered EINs during tax audits and investigations.

Data Enrichment and Customer Relationship Management (CRM)

  • CRM Systems:
CRM platforms can enrich customer profiles with EIN data, helping businesses understand their corporate clients better.
  • Lead Generation:
Sales teams can use the API to identify potential corporate leads and prospects.

Real Estate Transactions

  • Real Estate Due Diligence:
Real estate professionals can verify the EINs of property owners to ensure accurate property transactions.
Unlock every detail with EIN lookup solutions
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Integrate in a week, access unlimited EIN data

Integrate the API during lunch hour, customize based on your needs, and go live within 2-4 weeks!

Integrate, customize and Go live!

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FAQs
What is an Employer Identification Number (EIN)?toggle arrow
Why is an EIN important?toggle arrow
How can I obtain an EIN?toggle arrow
What is the EIN Verification API?toggle arrow
How can the EIN Verification API be useful?toggle arrow
What is Enhanced Due Diligence (EDD) for businesses in UAE?toggle arrow
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