Official Account ID

app_id

string(32)

Yes

Specifies Official Account ID assigned by WeChat
Note：The value of this field cannot be modified
Example：wxd678efh567hg6787

Vendor ID

mch_id

string(32)

Yes

Specifies vendor ID assigned by WeChat Payment
Note：The value of this field cannot be modified
Example：1230000109

Sub_mch_id

sub_mch_id

string(32)

Yes

The unique merchant identification for the institution
Note：The value of this field cannot be modified
Example：013467007045764

Signature

sign

string(32)

Yes

Specifies a signature. For more information Signature Algorithm.
Example：C380BEC2BFD727A4B6845133519F3AD6

Merchant name

merchant_name

string(128)

Yes

Specifies the complete merchant entity name
Example：Fruit Store

Channel ID

channel_id

string(20)  

No

Get from WeChat business platform(pay.wechat.com/cn)
Example：12343234

Merchant shortname

merchant_shortname

string(64)

Yes

Specifies the brief merchant name, which will be shown to the consumers
Example：FS

Registered Country or Region

merchant_country_code

string(3)

Yes

The country where the company was registered, see to CountryCode
Example：344

Merchant Type

merchant_type

string(10)

Yes

ENTERPRISE or INDIVIDUAL
Example：ENTERPRISE

Business Category

business_category

string(3)

Yes

Specifies the business category, please refer to the business ID list of WeChat payment. see to Business Category
Example：344

MCC

mcc

string(4)

Yes

Mcc code, see to MCC code
Example：4214

Registration Certificate Number

registration_certificate_number

string(50)

Yes

Company registration document No. Required when Merchant Type is ENTERPRISE.
Example：5555-8888

Expiration Date of Registration Certificate

registration_certificate_date

string(10)

Yes

The expiration date of the company registration document.
The value should be expire date or “PERMANENT” , “N/A”, the date format should YYYY-MM-DD , such as 2020-10-16. Required when Merchant Type is ENTERPRISE.
Example：2020-10-16

Copy of Registration Certificate

registration_certificate_copy

string(128)

No

The photocopy of the company registration document.
The value should be the media ID returned by Uploading Image API.
Example：w7yQFawBtja5uEdm

Business type

business_type

string(7)

Yes

There are three business types: ONLINE,
OFFLINE or BOTH
Example：BOTH

Download link of APP

app_download

string(128)

Yes/No

The download link of merchant’s APP. app_download, bus_website，office_account, mini_program choose one field to submit if business type is ONLINE or BOTH
Example：https://download.qq.com

Business website

business_website

string(128)

Yes/No

The business website, app_download, bus_website，office_account, mini_program choose one field to submit if business type is ONLINE or BOTH
Example：https://www.qq.com

Official account

office_account

string(128)

Yes/No

Merchant’s official account. app_download, bus_website，office_account, mini_program choose one field to submit if business type is ONLINE or BOTH
Example：wx8888888888888888

Mini Program

mini_program

string(128)

Yes/No

Merchant’s mini program. app_download, bus_website，office_account, mini_program choose one field to submit if business type is ONLINE or BOTH
Example：wx8888888888888888

Store address

store_address

string(128)

Yes/No

Store address, required if business type is OFFLINE or BOTH
Example：10F World Finance Centre (South Office), 11 Canton Road, Tsim Sha Tsui, Hong Kong

Store photos

store_photos

string(1024)

No

Store photos, the value should be at least 3 media IDs, which is returned by Uploading Image API.  Multiple images are submitted in JSON format.  Required if business type is OFFLINE or BOTH(Not mandatory)
Example：["ySdrQ_p2Jgs","ySdVr5RdEI","yS2xjJdSjsKM"]

Director Name

director_name

string(128)

No

Director name. Specify this field only when the secondary merchant type is ENTERPRISE(Not mandatory).
Example：Bob Zhang

Director ID Number

director_id_number

string(128)

No

Director's ID number. Specify this field only when the secondary merchant type is ENTERPRISE.(Not mandatory).
Example：5555-8888

Principal Name

principal_name

string(128)

No

Principal name. Specify this field only when the secondary merchant type is INDIVIDUAL.(Not mandatory).
Example：Bob Zhang

Principal ID Number

principal_id_number

string(128)

No

Principal's ID number. Specify this field only when the secondary merchant type is INDIVIDUAL.(Not mandatory).
Example：5555-8888

Customer Service Phone Number.

office_phone

string(32)

Yes

Specifies the customer service phone number, which will be shown in the payment details page for the consumers.
Please prefix the phone number. See the appendix for prefixes.
Example：+86075586010000

Full Name

contact_name

string(64)

Yes

Specifies the contact person’s name.
Example：Bob Zhang

Mobile Phone No.

contact_phone

string(32)

Yes

Specifies the mobile phone number of the merchant for any urgent issues. Please prefix the phone number. See the appendix for prefixes.
Example：+8613633334444

Email

contact_email

string(256)

Yes

Specifies the contact email of the merchant.
Example：test@test.com

Settlement Bank No.

settlement_bank_number

string(128)

No

Settlement bank account number (settlement bank information)
Example：555588889999

Apply for H5 payment authorization

apply_h5_payment

string(4)

No

Apply for H5 payment authorization? The values are YES or NO.
If you already have H5 payment authorization but need to modify the H5 payment domain names, please fill in as YES.
Example：YES

H5 business website URL

h5_website_url

string(128)

Yes/No

Required when apply_h5_payment is YES. Includes the sub-merchant's main business, goods/services and their prices, and website for offline orders from users.
Example：https://qq.com

H5 payment domain name

h5_domains

string(512)

Yes/No

Required when apply_h5_payment is YES. Domain name from which H5 payment will be launched; up to 5; submit in json array format.
Note: The new list of domain names submitted will overwrite the existing list of payment domain names.
Example：["www.qq.com","www.weixin.com"]

Return Status
Code

return_code

string(16)

Yes

SUCCESS or FAIL
Specifies communicating label instead of
transaction label. The status of the
transaction is determined by the value of the
result_code field.
Example：SUCCESS

Return Data

return_msg

string(128)

No

If not empty, the returned info is the error
description.
Signature failure
Parameter format checking error
Example：Signature failure

Service Result

result_code

string(32)

Yes

SUCCESS/FAIL
Example：FAIL

Error Code

err_code

string(32)

No

Please refer to the error code list
Example：INVALID_REQUEST

Error Code Description

err_code_des

string(128)

No

Describes result data
Example：System error

Signature

sign

string(32)

Yes

Specifies a signature. For more information Signature Algorithm.
Example：C380BE7519F3AD6

Sub-Merchant ID

sub_mch_id

string(32)

Yes

Specifies the sub merchant ID by WeChat
Example：013467007045764

H5 payment authorization state

h5_authorization_state

string(32)

No

Returned when apply_h5_payment is YES; describe the H5 payment authorization state of the sub-merchant:
APPROVED: H5 payment authorization already granted;
UNAUTHORIZED: H5 payment authorization not granted, no H5 authorization application submitted;
UNDER_REVIEW: H5 payment authorization application is currently under review;
REJECTED: H5 payment authorization application has been rejected;
UNDER_PUNISHMENT: H5 payment authorization has been applied and granted, but sub-merchant is currently being penalized;
APPLICATION_FAILED: Failed to create the H5 payment authorization application.
Example：APPROVED

INVALID_REQUEST

HTTP GET method not supported

Use POST method. Check and call again.

Debugging by developer

INVALID_REQUEST

Invalid XML format

Invalid XML format. Check and call again.

SIGNERROR

Signature validation

Signature validation failed. Check and try again.

INVALID_REQUEST

Use UTF-8 character encoding

XXX does not use UTF-8 character encoding. Check and try again.
E.g. Domain name for Official Account Payment is not using UTF-8 character encoding. Check and try again.

PARAM_ERROR

Character length limit reached

XXX has invalid input. Check and submit again.

Automated checks and filters

PARAM_ERROR

Regular Validation

XXX has invalid format. Check and try again.

INVALID_REQUEST

Entry permissions

No permissions. Check and try again.

Check permissions

INVALID_REQUEST

Certificate Required

Retrieving serial number of client certificate failed 
Retrieving?Distinguished Name (DN) field from client certificate failed 
Certificate validation failed. Check and try again.

Check certificate

INVALID_REQUEST

Inappropriate term(s) validation is required for Contacts, and vendor's short name, and vendor's full name

System error occurred during validation of vendor information. Try to call again.
System error occurred during validation of vendor information. Try to call again.
Input field contains inappropriate term(s). Check and input again.
Input field contains inappropriate term(s) that do not comply with the service rules. Check and input again.
Company cannot access WeChat Pay due to a violation. Contact Customer Service for more details.
Company cannot access WeChat Pay via the application channel due to agreement protection. Contact Customer Service for more details.
Input field contains inappropriate term(s) that do not comply with the service rules. Check and input again.

Automated checks and filters

SYSTEMERROR

System error occurred when creating a sub-vendor

System error occurred when creating a sub-vendor. Try again later.

Contact WeChat Pay Support

INVALID_REQUEST

Apply for H5 payment failed

The sub-merchant has not pass the review and cannot be modified.

Please be patient and wait for the approval before submitting again.

INVALID_REQUEST

Apply for H5 payment failed

Action has been taken against the merchant. The merchant is not allowed to request to enable H5 payment authorization.

Merchant payment permission has been penalized. Please contact the operation personnel to lift the penalty first.

INVALID_REQUEST

Apply for H5 payment failed

The submitted website or H5 payment domain name is at risk. Contact your BD for assistance.

The business website or H5 payment domain is blacklisted. Please contact the operation personnel to apply for an exemption.