Canada GST Verification API
Simplify Canadian GST checks and tax compliance
Validate Goods and Services Tax numbers for Canadian businesses in real-time. Ensure tax compliance during invoice processing and B2B verification while preventing fraud through accurate GST number validation on any transaction date.
2x
More Fraud Detection
13
Federal States Coverage
160M+
Global Businesses Verified
Trusted by industry leaders
Finally, GST Verification you can count on
Handle every tax compliance scenario with ease, knowing your GST verification is always accurate. Reduce manual work, eliminate errors, and grow your business
Expand in Canada without drowning in tax compliance
Enter the Canadian market confidently. Signzy tracks every local regulation and pushes updates, keeping your onboarding, payments, and AML workflows perpetually compliant — no spreadsheet wrangling or last-minute code scrambles required.
Keep deals moving with foolproof GST checks
Build genuine business relations on GST and KYB data you can trust. Signzy’s business verification is built on reliable databases to give you unmatched coverage and accuracy in Canada.
Make confident decisions with the right business data
Instantly confirm a company’s GST/HST registration status, business type, and effective dates — so your risk and finance teams can approve legitimate Canadian businesses and flag questionable ones before a single dollar moves.
Get total GST Clarity
The GST verification solution that grows with your business needs and adapts to your workflow
Invoice & Tax Compliance
Fraud Prevention
B2B Partner Verification
Marketplace / Seller Vetting
Regulatory Reporting & Audit Readiness
For all your verification needs in Canada
Weave a seamless story of trust with end-to-end KYC, KYB & AML compliance
Canada Business Verification
Automate your approach to verify UBOs, documents, and bank accounts effectively, preventing fraud while being compliant with global and Canadian KYB requirements.
EIN Verification
Streamline your KYB process and onboard legally incorporated businesses in the US through effective Employer Identification Number checks.
One Touch KYC
Onboard users with confidence with Signzy’s foolproof KYC suite. ID checks, biometric verification, AML monitoring, all work together to build dynamic user risk profiles.
AML + Transaction Monitoring
Stay one step ahead of fraud and money laundering — mitigate risk and screen users against Politically Exposed Persons (PEP), sanctions lists, adverse media, and more.
Developer Docs
Ship it before your coffee cools.
Integrate the API during lunch hour, customize based on your needs, and go live within 2-4 weeks!
FAQ
What is the difference between GST, HST, and PST in Canada??
How is GST verification different from general business verification in Canada?
What are the main challenges of GST verification in Canada?
Why do I need to verify GST numbers for my business?
What happens if a GST number is invalid or inactive?
What if I run into an error? Is there documentation?