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Merchant category code is set by the acquirer for the special merchant. This API allows the inquiry of merchant type and merchant group type through merchant category code. Merchant code format is 15 digits, formed by institution code (3 digits) + area code (4 digits) + merchant category code (4 digits) + merchant sequence number (4 digits)。
This code refers to the internal standard of UnionPay. UnionPay international will maintain the code content and update it regularly.
The merchant category comform to the real merchant type. Users can query whether the content of the merchant category code is consistent with the merchant's main business.
It can be applied to user interface or user voucher, and is closely combined with the display scene of displaying code as string information.
1. API Caller apply to use APIs
2. UPI approve application, update white list and generate key pair, then provide API Caller the public key and user ID (appID)
3. API Caller uses the public key to encrypt the request message which include caller’s user identity information
4. UPI verify API Caller’s identity, decrypt request message, and return response data encrypted by using private key.
|Field name||Identifier||Type||Length||Request||Default value||Note|
|MCC||mcc||N||4||M:Mandatory||"0743"||The merchant category code.|
|Filed name||Identifier||Type||Length||Request||Default value||Note|
|MCC Description||mccDesc||S||1-20||M:Mandatory||“Wine manufacturer”||The description of the MCC.|
|MCC Group||mccGroup||S||1-20||M:Mandatory||“Agricultural Services”||The group of the MCC.|
UnionPay International has adopted unified security requirement, please refer to UPI Server-based API General Requirements for signature and encryption guide.
If you are UPI member, you need to fill in the Application Form of API Service Product with Terms and Conditions.
If not, you need to sign the Protocol of API Usage and fill in the Application Form of API Service Product.