TIN Verification API Verify Taxpayer Identification Numbers and Retrieve Business Registration Information
The TIN Verification API enables businesses to verify a Taxpayer Identification Number (TIN) and retrieve comprehensive tax registration information associated with registered dealers. The API provides verified details such as Central Sales Tax (CST) Number, dealer information, registered address, PAN, registration status, and validity dates, helping banks, NBFCs, fintechs, enterprises, marketplaces, and government agencies strengthen organization profiling, KYB, vendor onboarding, tax compliance, and regulatory due diligence.
End-to-End Verification Flow
Enter TIN Number
Validate TIN Format
Search Tax Registry
Verify Registration Status
Retrieve Dealer Information
Fetch Tax Registration Details
Generate Verification Report
Structured JSON Response
Key Capabilities
TIN Verification
Verify the authenticity and validity of a Taxpayer Identification Number (TIN).
Dealer Information Retrieval
Access registered dealer information, including dealer name and registered address.
CST Registration Details
Retrieve the associated Central Sales Tax (CST) Number and related tax registration information.
Registration Status Validation
Verify the current registration status along with registration and validity dates.
Organization Profiling
Strengthen business profiles with verified tax registration and dealer information.
Compliance Support
Support KYB, vendor onboarding, procurement, tax compliance, and regulatory due diligence using verified tax records.
Real-Time Processing
Retrieve verified TIN information instantly through secure APIs.
Easy API Integration
Integrate seamlessly using REST APIs, structured JSON responses, secure authentication, and comprehensive developer documentation.
Use Cases

Business Onboarding & KYB
Verify tax registration details before onboarding merchants, suppliers, distributors, or corporate customers.

Vendor Verification & Procurement
Validate dealer registration and tax information during supplier onboarding and procurement workflows.

Tax Compliance & Risk Assessment
Support compliance, financial due diligence, and business verification using verified TIN records.
Developer Experience
Secure REST APIs for TIN verification and tax registration intelligence.
Real-Time TIN Verification – Validate taxpayer identification numbers instantly.
Dealer Information Retrieval – Access verified dealer names and addresses.
Tax Registration Details – Retrieve CST number, registration status, and validity information.
Structured JSON Response – Receive standardized verification results.
RESTful API Integration – Secure and developer-friendly APIs.
Sandbox Environment – Test integrations before production deployment.
Developer Documentation – Comprehensive API references and implementation guides.
Enterprise Security – Encrypted communication and secure authentication.
Dedicated Technical Support – Expert assistance throughout your integration journey.
Frequently Asked Questions
What is the TIN Verification API?
The TIN Verification API validates a Taxpayer Identification Number (TIN) and retrieves tax registration information, including dealer details, CST number, registration status, and validity dates.
What input is required?
Taxpayer Identification Number (TIN)
What information does the API return?
The API may return: Client ID, TIN Number, Central Sales Tax (CST) Number, Dealer Name, Dealer Address, State Name, PAN Number (Masked where applicable), Registration Date, Valid Up To, Registration Status and Structured JSON Response
Can this API be integrated into our platform?
Yes. The API integrates seamlessly with banking platforms, NBFCs, fintech applications, KYB solutions, procurement systems, tax compliance platforms, CRMs, ERPs, marketplaces, and enterprise applications using secure REST APIs.
Is the tax registration information retrieved securely?
Yes. All API requests are processed using encrypted communication, secure authentication, and enterprise-grade security standards. Information is retrieved from authorized tax registry data sources and handled in accordance with applicable regulatory requirements.