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Canada
Canadian Québec QST/TVQ number
The QST/TVQ number is a specific tax identification number used in the province of Québec for the Québec Sales Tax (QST), also known as Taxe de vente du Québec (TVQ). It consists of a 10-digit number followed by the letters "TQ" and a 4-digit account identifier, often starting at "0001".
This identifier follows a strict format, here represented as X = alphanumeric character, A = letter, 0 = digit, and # = alphanumeric or special character (*, +, ?).
Example of syntactically valid Canadian Québec QST/TVQ number
QST10029 28058 TQ0004Data for this identifier is verified against the following registries
Revenu Québecca-rqCanadian Québec QST/TVQ number
Syntax 10029 28058 TQ0004
Verification API
Use our API to verify any Québec › QST/TVQ number from Canada in real-time and get detailed information about the associated entity, ensure its presence in the registry of record, see the registered address, and more.
curl -X GET "https://verifyvat.com/api/verify/ca_qst/1002928058TQ0004" \
-H "x-api-key: {your_api_key}"
# You can also use query parameters with a GET request:
curl -X GET "https://verifyvat.com/api/verify?type=ca_qst&id=1002928058TQ0004" \
-H "x-api-key: {your_api_key}"
# Or via JSON body with a POST request:
curl -X POST "https://verifyvat.com/api/verify" \
-H "Content-Type: application/json" \
-H "x-api-key: {your_api_key}" \
-d '{"type":"ca_qst","id":"1002928058TQ0004"}'curl -X GET "https://verifyvat.com/api/types/ca_qst"
# Via query parameters with a GET request:
curl -X GET "https://verifyvat.com/api/id-types?id=ca_qst"
# Or via JSON body with a POST request:
curl -X POST "https://verifyvat.com/api/id-types" \
-H "Content-Type: application/json" \
-d '{"id":"ca_qst"}'Format API
Explore the format and validation rules of this identifier, and implement the verification logic in your platform.
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Whether you’re checking one company or building verification into your product, VerifyVAT gives you instant access to official business data: clear, accurate, and always up to date. No fluff, no guesswork, just the facts you need from the sources that matter.