# Download QR Code Package Interface
Interface should be called on the server side, not in the front end (Weixin Mini Program, web pages, APP, etc.) directly called, specific reference interface call guide
Interface name: intp_marketcode_applycodedownload
Download the generated QR code packet
# 1. How to call
# HTTPS calls
POST https://api.weixin.qq.com/intp/marketcode/applycodedownload?access_token=ACCESS_TOKEN
# Cloud Calls
- This interface does not support cloud calls
# Third party invocation
This interface supports Third Party Platform generation business call.
The permission set id to which the interface belongs is: 46
When a service provider is authorized by one of the permissions set, it can call on behalf of the merchant by using authorizer_access_token , which can be viewed in the third-party call documentation.
# 2. Request parameters
# Query parametersQuery String parameters
Parameter Name | type | Required to fill in | Introductions |
---|---|---|---|
access_token | string | yes | Interface invocation credentials, using access_token , authorizer_access_token |
# Request BodyRequest Payload
Parameter Name | type | Required to fill in | Introductions |
---|---|---|---|
application_id | number | yes | Application Number |
code_start | number | yes | Start location, from query QR code application interface |
code_end | number | yes | End position, from query QR code application interface |
# 3. Return Parameters
# Response Payload
Parameter Name | type | Introductions |
---|---|---|
buffer | formdata | The file buffer requires base64 decode before decrypting (see 3.1 for decryption) |
errcode | number | Return a status code |
errmsg | string | Error prompts |
# 4. Note
Make sure the status of the application is FINISH before downloading.
# 5. Code examples
Example Requests
{
"application_id":581865877,
"code_start": 0,
"code_end": 49999
}
Return an example
{
"errcode":0,
"errmsg":"ok",
"buffer": "ajfiwejfoiawjfijweofi"
}
# 6. Error code
The following is a list of error codes for this interface, other error codes can refer to General error codes
Error code | Error Description | Solutions |
---|---|---|
40001 | invalid credential access_token isinvalid or not latest | access_token Invalid or not recently acquired access_token, please confirm the validity of the access_token |
# 7. Scope of application
This interface supports "Service Account (required)" account type call.None of the other account types can be invoked without special instructions.