# Merchant Verification APIs: GST, MSME & FSSAI | FastKYC > Business verification APIs for merchant onboarding: GSTIN, MSME and Udyam, FSSAI, Import Export Code and company registry checks from official sources. Source: https://www.fastkyc.com/apis/merchant/ --- # Merchant Verification APIs Business verification APIs for merchant onboarding: GSTIN, MSME and Udyam, FSSAI, Import Export Code and company registry checks from official sources. [Book a Demo](/book-demo/)[Browse All APIs](/apis/) Search APIs No APIs match Try a shorter term - or [ask us](/book-demo/), we may already have it. - [Company Name to CIN APIFind a company's Corporate Identity Number and registration status by searching its name in the MCA registry, without asking the business for its CIN.](/apis/company-to-cin/) - [FSSAI Validation APIVerify an FSSAI licence number and retrieve the food business's registration details, category and validity before onboarding restaurants or sellers.](/apis/fssai-validation/) - [GST Advanced APIEnhanced GSTIN verification with compliance and filing history, promoter details, turnover data and e-invoice applicability for deeper KYB checks.](/apis/gst-verification-advanced/) - [GST Verification APIVerify a GST number and retrieve the registered business name, address, status and registration details from GST records.](/apis/gst-verification/) - [GST Verify APIQuickly verify a GST number and return the core business information, a lightweight validation built for high-volume merchant and vendor checks.](/apis/gst-verify/) - [GSTIN By Name APIFind every GSTIN registered against a business name across Indian states, with the status of each registration, when a merchant can't share its GSTIN.](/apis/gst-by-name/) - [GSTIN By Pan APIRetrieve every GSTIN linked to a PAN, with the state and current status of each registration, to see a business's full GST footprint in one call.](/apis/gst-by-pan/) - [Generate e-Way Bill APIGenerate a GST-compliant e-Way Bill from invoice and transport details, returning the bill number and validity so goods can move without delays.](/apis/generate-eway-bill/) - [IEC Advanced APIRetrieve exporter and firm details from an Import Export Code, confirming a business is authorised for foreign trade before you onboard or pay it.](/apis/iec-advanced/) - [IEC Basic APILook up Import Export Code details with basic stakeholder information for a registered trading entity, a quick check for importers and exporters.](/apis/iec-basic/) - [MSME Verification APIVerify an MSME Udyam registration and retrieve official enterprise details, classification and registered address for MSME lending and onboarding.](/apis/msme-verification/) - [Mobile To Prefill APIPrefill a customer's KYC profile from a mobile number, returning name, contact details, addresses and demographic attributes.](/apis/mobile-to-prefill/) - [Mobile to MSME APIFind the MSME Udyam registration linked to a mobile number from official government and business registry sources, without asking for the Udyam number.](/apis/mobile-to-msme/) - [PAN to Udyam Details APIFetch Udyam registration and enterprise details for a business using only its PAN, without needing the Udyam number, for MSME lending and onboarding.](/apis/pan-to-udyam/) - [Udyog Aadhaar Verification APIVerify a legacy Udyog Aadhaar registration using its UAM number and retrieve the registered enterprise details, for older MSME registrations.](/apis/udyog-aadhaar-verify/) ## Add Merchant verification to your flow Talk to our team about the Merchant APIs and which ones your journey actually needs. - One API key for every check - Verified against official Indian records - Built for onboarding at scale [Book a Demo](/book-demo/)[Browse All APIs](/apis/) ## All verification APIs ### [Banking APIs](/apis/banking/) |[Bank Verification Hybrid API](/apis/bank-verification-hybrid/), [Bank Verification Penny Drop API](/apis/bank-verification-penny-drop/), [Bank Verification Pennyless API](/apis/bank-verification-pennyless/), [IFSC Search API](/apis/ifsc-search/), [Mobile to Bank API](/apis/mobile-to-bank/), [Penny Drop Initialize API](/apis/penny-drop-initialize/), [Penny Drop Verify API](/apis/penny-drop-verify/), [VPA to Account Details API](/apis/vpa-to-account/) ### [Employment APIs](/apis/employment/) |[Current Employment Details API](/apis/current-employment-details/), [EPFO Advanced Details API](/apis/epfo-init-status/), [EPFO Basic Search API](/apis/epfo-basic-search/), [EPFO Generate OTP API](/apis/epfo-generate-otp/), [EPFO Name Search API](/apis/epfo-name-search/), [EPFO Submit OTP API](/apis/epfo-submit-otp/), [Employment History API](/apis/employment-history/), [Mobile to UAN API](/apis/mobile-to-uan/) ### [Finance APIs](/apis/finance/) |[Bank Statement Analyzer API](/apis/bank-statement-analyzer/), [CKYC Download via OTP API](/apis/ckyc-download/), [CKYC Generate OTP API](/apis/ckyc-generate-otp/), [CKYC Search API](/apis/ckyc-search/), [Credit Report CIBIL API](/apis/credit-report-cibil/), [Credit Report Crif API](/apis/credit-report-crif/), [Credit Report Experian API](/apis/credit-report-experian/), [Credit Report Experian V2 API](/apis/credit-report-experian-v2/), [ITR Compliance API](/apis/itr-compliance/), [ITR Download API](/apis/itr-file-download/), [ITR Download Form 26as API](/apis/itr-download-26as/), [ITR File Download V API](/apis/itr-file-download-v/), [ITR get AIS API](/apis/itr-get-ais/), [ITR get Profile Details API](/apis/itr-get-profile-details/), [ITR get TIS API](/apis/itr-get-tis/), [Mobile to GST API](/apis/mobile-to-gst/), [SEBI Debarr Verify API](/apis/sebi-records/), [Search ISIN Record API](/apis/isin-record/), [Tan Validation Basic API](/apis/tan-validation-basic/) ### [Identity APIs](/apis/identity/) |[Aadhaar Validation API](/apis/aadhaar-validation/), [Aadhaar XML Verification API](/apis/aadhaar-xml-verification/), [Blank Paper Validation API](/apis/blank-paper-validation/), [Contact Details by GST API](/apis/gst-to-contact-details/), [DIN Basic API](/apis/din-basic/), [DIN Verify API](/apis/din-verify/), [DIN to PAN API](/apis/din-to-pan/), [DL Advanced API](/apis/dl-advanced/), [DL Basic API](/apis/dl-basic/), [DigiLocker Download Docs API](/apis/digilocker-download-docs/), [Driving License API](/apis/dl-text/), [E-Aadhaar Verify API](/apis/eaadhaar-upload/), [Ecourt CNR Search API](/apis/ecourt-cnr-search/), [Email Check API](/apis/email-check/), [Email Verification Send OTP API](/apis/send-email-otp/), [Esign Download Document API](/apis/esign-download-docs/), [Esign Status Check API](/apis/esign-status-check/), [FASTAG History Verification API](/apis/fastag-history/), [Farmer Verification API](/apis/farmer-verification/), [Fastag Lookup API](/apis/fastag-lookup/), [Fastag To RC API](/apis/fastag-to-rc/), [Generate E-Invoice API](/apis/generate-e-invoice/), [Get 1A data API](/apis/get-1a-data/), [Get 2A Data API](/apis/get-2a-data/), [Get 2B Data API](/apis/get-2b-data/), [Get 3B Data API](/apis/get-3b-data/), [Get Company Details API](/apis/cin-advance/), [Get PAN Essentials API](/apis/get-pan-essentials/), [High Court Search API](/apis/high-court-search/), [I4C Check API](/apis/i4c-check/), [ICSI Membership Verification API](/apis/icsi-verify/), [IP Quality Check API](/apis/ip-quality-check/), [Indian Post Tracking API](/apis/postal-tracking/), [Initiate Esign Flow API](/apis/initiate-esign/), [MNV Without OTP API](/apis/mnv-without-otp/), [MNV Without OTP Basic API](/apis/mnv-without-otp-basic/), [Mobile to Address API](/apis/mobile-to-address/), [Mobile to Name API](/apis/mobile-to-name/), [Mobile to PAN API](/apis/mobile-to-pan/), [Mobile to RC API](/apis/mobile-to-rc/), [Mobile to VPA API](/apis/mobile-to-vpa/), [PAN Aadhaar Link Lookup API](/apis/pan-aadhaar-link-lookup/), [PAN Advanced V2 API](/apis/pan-advanced-v2/), [PAN Comprehensive API](/apis/pan-comprehensive/), [PAN Lite API](/apis/pan-to-name/), [PAN to DIN API](/apis/pan-to-din/), [Pan Aadhaar Link Status API](/apis/pan-aadhaar-link-status/), [Pan Aadhaar Link Verify API](/apis/pan-aadhaar-link-verify/), [Pan Comprehensive with Aadhaar Check API](/apis/pan-comprehensive-with-aadhaar-check/), [Pan Udyam Check API](/apis/pan-udyam-check/), [Passport Verification V2 API](/apis/passport-verification-v2/), [RC Advanced API](/apis/rc-advanced/), [RC V2 API](/apis/rc-v2/), [Reverse Geocode API](/apis/reverse-geocode/), [Risk Analyzer API](/apis/risk-analyzer/), [TAN Validation API](/apis/tan-validation/), [TIN Verification API](/apis/tin-verify/), [Toll Check API](/apis/toll-check/), [Udyam Verification Send OTP API](/apis/send-udyam-otp/), [Validate Email OTP API](/apis/validate-email-otp/), [Validate Udyam OTP API](/apis/validate-udyam-otp/), [Vehicle RC API](/apis/rc-text/), [Voter Id Verification API](/apis/voter-id-text/) ### [Merchant APIs](/apis/merchant/) |[Company Name to CIN API](/apis/company-to-cin/), [FSSAI Validation API](/apis/fssai-validation/), [GST Advanced API](/apis/gst-verification-advanced/), [GST Verification API](/apis/gst-verification/), [GST Verify API](/apis/gst-verify/), [GSTIN By Name API](/apis/gst-by-name/), [GSTIN By Pan API](/apis/gst-by-pan/), [Generate e-Way Bill API](/apis/generate-eway-bill/), [IEC Advanced API](/apis/iec-advanced/), [IEC Basic API](/apis/iec-basic/), [MSME Verification API](/apis/msme-verification/), [Mobile To Prefill API](/apis/mobile-to-prefill/), [Mobile to MSME API](/apis/mobile-to-msme/), [PAN to Udyam Details API](/apis/pan-to-udyam/), [Udyog Aadhaar Verification API](/apis/udyog-aadhaar-verify/) ### [Mobile APIs](/apis/mobile/) |[MNV Generate OTP API](/apis/mnv-generate-otp/), [MNV Submit OTP API](/apis/mnv-submit-otp/), [Mobile 360 Profile API](/apis/mobile-360/) ### [SMS APIs](/apis/sms/) |[MNRL Check API](/apis/mnrl-check/) ### [Utility APIs](/apis/utility/) |[BIN Lookup API](/apis/bin-lookup/), [Chassis To RC API](/apis/chassis-to-rc/), [Chassis To RC Details API](/apis/chassis-to-rc-details/), [E-Challan Details API](/apis/echallan-details/), [ESIC Details API](/apis/esic-verification/), [Electricity Bill Lookup API](/apis/electricity-bill-lookup/), [Engine to RC Details API](/apis/engine-to-rc-details/), [Face Liveness API](/apis/face-liveness/), [Geo Fencing API](/apis/geo-fencing/), [Get FIR Details API](/apis/get-fir-details/), [LEI Verification API](/apis/lei-verification/), [Whatsapp Check API](/apis/whatsapp-check/) ### [Vision APIs](/apis/vision/) |[Aadhaar Masking API](/apis/aadhaar-mask/), [Bank Passbook OCR API](/apis/bank-passbook-ocr/), [Bank Statement OCR API](/apis/bank-statement-ocr/), [Certificate Of Incorporation API](/apis/coi-ocr/), [Cheque OCR API](/apis/cheque-ocr/), [Face Match API](/apis/face-match/), [GST OCR API](/apis/gst-ocr/), [Invoice OCR API](/apis/invoice-ocr/), [KYC Document Classifier API](/apis/kyc-doc-classifier/), [Mobile Invoice OCR API](/apis/mobile-invoice-ocr/), [OCR Aadhaar API](/apis/aadhaar-ocr/), [OCR DL API](/apis/dl-ocr/), [OCR PAN API](/apis/pan-ocr/), [OCR Passport API](/apis/passport-ocr/), [OCR RC API](/apis/rc-ocr/), [OCR Voter Id API](/apis/voter-id-ocr/), [Salary Slip OCR API](/apis/salary-slip-ocr/), [Super OCR API](/apis/super-ocr/), [Udyam OCR API](/apis/udyam-ocr/)