Instantly validate Social Security numbers with checks for issuance status, death records, name and DOB match, and more - so you can confirm identity legitimacy, spot fraud early, and stay compliant across every onboarding workflow.
Know who you’re onboarding on your business - verify user identities confidently and stay compliant.
Confirm whether the Social Security number is valid and matches the user’s name, phone numbers, and address.
With access to a network of verified sources, Signzy consolidates all your background verification needs into a single, efficient API.
Ensure the Social Security number is genuinely tied to the user while preventing identity fraud and potential AML concerns.
Confirm matches, retrieve verified details, and process thousands of records in one seamless workflow.
Confirm whether the Social Security number is valid and matches the candidate's name and address history.
Get comprehensive details such as the user's Social Security Number, and/or their date of birth and home address from SSN.
Verify and validate thousands of SSN numbers by uploading CSV files for automated bulk lookup.
Process thousands of SSN checks quickly and securely for enterprise-level verification needs.
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Make every payout, transfer, and customer onboarding step smoother and more secure.
From banks to fintechs, Signzy processes millions of verification checks every day with consistent performance, regulatory compliance, and enterprise-grade reliability.
From banks to fintechs, Signzy processes millions of verification checks every day with consistent performance, regulatory compliance, and enterprise-grade reliability.
Kinds words by clients
CPO, ASAPP Financial Technology
Working with Signzy has been a game-changer. Their team isn't just responsive, they're deeply invested in helping us solve real onboarding and compliance challenges. The flexibility of their product, the speed of execution, and their commitment to partnership have set a new bar for us.
Developer Docs >>>Developer Docs
Enhance every verification step with deeper insights across KYC, AML, and bank account checks.
Instantly verify EINs to reliably confirm business legitimacy and reduce onboarding risk.
Screen users against sanctions, PEP, adverse media, negative news, and watchlists in real time.
Global KYC flow with built-in OCR, liveness checks, and deepfake detection for seamless onboarding.
Integrate the platform during lunch hour, customize based on your needs, and go live within 2-4 weeks :)
What is an SSN Trace API and how does it work?
An SSN Trace API verifies a Social Security Number by checking issuance status, death records, and matching identity details such as name, date of birth, and address. It helps confirm whether the SSN is active, legitimate, and tied to the correct person.
What information can I get from Signzy's SSN Trace API?
The API returns key markers such as SSN issuance status, full name match, date of birth match, death master file checks, linked address history, and identity verification signals used to detect fraud and verify legitimacy.
How does SSN verification help with fraud prevention?
SSN trace data helps identify mismatched information, inactive or fraudulent SSNs, synthetic identities, and records tied to deceased individuals, stopping fraud early in onboarding, lending, payments, and customer verification.
Is SSN verification required for KYC and compliance checks?
Yes. Most regulated industries including banking, fintech, lending, insurance, and healthcare use SSN verification to meet KYC, AML, and customer due-diligence requirements and avoid compliance penalties.
Can the SSN Trace API be used for employment or background checks?
Yes. Employers and HR platforms use SSN trace results to validate a candidate's identity, confirm personal details, and conduct compliant background screening before hiring.
How accurate and up-to-date is the data returned by the SSN Trace API?
Signzy connects to verified sources and authoritative databases to provide real-time, accurate identity information tied to an SSN, minimizing data entry errors and improving customer record quality.
Can I run bulk SSN verification for high-volume use cases?
Yes. The SSN Trace API supports batch and bulk verification, allowing large teams like lenders, insurers, or marketplaces to validate thousands of SSNs quickly without manual processing.
How quickly can I integrate Signzy's SSN Trace API?
The API is developer-friendly and easy to integrate. Most teams set it up within hours allowing instant SSN validation inside onboarding, risk, or KYC workflows.
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