Canada GST Verification

Overview
The Canada GST Verification API provides a method to verify the validity of a GST (Goods and Services Tax) number associated with a business operating within Canada. This API helps in confirming the GST registration status of a company on a specified transaction date, ensuring compliance with tax regulations.
Use Cases
Tax Compliance: Helps businesses verify GST numbers during invoice processing or tax filing to ensure compliance with Canadian tax laws.
Fraud Prevention: Assists in detecting and preventing fraudulent activities by validating the GST registration status of companies involved in financial transactions.
B2B Verification: Enables companies to verify the tax registration status of potential or existing business partners, enhancing trust and reliability in B2B transactions.
API Details
API Details
Request Body
Pre-production
Production
curl --location 'https://api.signzy.us/api/v3/us/canada-gst' \
--header 'Authorization: <---Auth Token--->' \
--header 'Content-Type: application/json' \
--data-raw '{
    "businessName": "Alanex LLC",
    "gstNumber": "758740427",
    "transactionDate": "2024-11-24"
}'
curl --location 'https://api.signzy.us/api/v3/us/canada-gst' \
--header 'Authorization: <---Auth Token--->' \
--header 'Content-Type: application/json' \
--data-raw '{
    "businessName": "Alanex LLC",
    "gstNumber": "758740427",
    "transactionDate": "2024-11-24"
}'
﻿
Request Body Mapping:
Parameter
Type
Description
Required
businessName
String
The name of the business to verify.
Yes
gstNumber
String
The GST number to be verified.
Yes
transactionDate
String
The date of the transaction (format: YYYY-MM-DD).
Yes
Response Body:
JSON
{
    "result": {
        {
            "name": "FIRST QUANTUM MINERALS LTD.",
            "business_number_bn": "-",
            "registry_id": "1169271963",
            "registered_office_location": "Vancouver, Colombie-Britannique",
            "status": "Active",
            "status_notes": "-",
            "business_type": "Société par actions ou compagnie",
            "created": "2013-04-23"
        },
        {
            "name": "FIRST QUANTUM MINERALS LTD.",
            "business_number_bn": "-",
            "registry_id": "A0043679",
            "status": "Inactive",
            "status_notes": "Amalgamated",
            "business_type": "Non-Canadian corporation",
            "registered_in": "British Columbia",
            "registration_date": "-"
        }
    }
}
{
    "result": {
        {
            "name": "FIRST QUANTUM MINERALS LTD.",
            "business_number_bn": "-",
            "registry_id": "1169271963",
            "registered_office_location": "Vancouver, Colombie-Britannique",
            "status": "Active",
            "status_notes": "-",
            "business_type": "Société par actions ou compagnie",
            "created": "2013-04-23"
        },
        {
            "name": "FIRST QUANTUM MINERALS LTD.",
            "business_number_bn": "-",
            "registry_id": "A0043679",
            "status": "Inactive",
            "status_notes": "Amalgamated",
            "business_type": "Non-Canadian corporation",
            "registered_in": "British Columbia",
            "registration_date": "-"
        }
    }
}
﻿
Response Body Mapping:
Field
Type
Description
matchFound
Boolean
Indicates whether a matching GST number was found for the given business on the specified date.
Error Code Response & Mapping
400(GST Error))
400(Date Format)
401(Unauthorized)
500(Internal Server Error)
409(Upstream Down Error)
{
    "message": "Invalid authentication credentials"
}
{
    "message": "Invalid authentication credentials"
}
﻿
Field
Type
Description
name
string
Text displayed on the screen explaining error type.
reason
string
Reason for the error.
status
number
HTTP status code.
message
string
Error message indicating an upstream error.
type
string
Error type.
statusCode
string
Status code representing the error scenario.
Getting help
Please feel free to contact us if you have any questions, require clarification, or have ideas for how to make the documents or any of our services better.
You can reach out to us at [email protected]. We strive to provide prompt and reliable assistance, ensuring your queries are addressed effectively.
We value your feedback and are committed to making your experience smooth and enjoyable. Our team is dedicated to assisting you with any needs you may have. Thank you for choosing our services. We look forward to helping you!
﻿

Parameter	Type	Description	Required
businessName	String	The name of the business to verify.	Yes
gstNumber	String	The GST number to be verified.	Yes
transactionDate	String	The date of the transaction (format: YYYY-MM-DD).	Yes

Field	Type	Description
matchFound	Boolean	Indicates whether a matching GST number was found for the given business on the specified date.

Field	Type	Description
name	string	Text displayed on the screen explaining error type.
reason	string	Reason for the error.
status	number	HTTP status code.
message	string	Error message indicating an upstream error.
type	string	Error type.
statusCode	string	Status code representing the error scenario.

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