curl --location 'http://prod-cn.your-api-server.com/gateway/base/biz' \
--header 'method: pay' \
--header 'signType: SHA512' \
--header 'serviceName: api.pay' \
--header 'mchId: 1416010331032883200' \
--header 'timestamp: 1631671670' \
--header 'sign: 32554324534545432543' \
--header 'Content-Type: application/json' \
--data '{
"docType": "PIX",
"docNumber": "string",
"pixCheck": "string"
}'{
"data": [
{
"qrCodeString": "string",
"orderId": "string",
"checkoutUrl": "string"
}
]
}