import http.client

conn = http.client.HTTPSConnection("gw.wxdata.meishr.com")

payload = "secret=您的密钥&参数=值..."

headers = {
    "Content-Type":"application/x-www-form-urlencoded;charset:utf-8;"
}

conn.request("POST","/api/ocr/qrcode", payload, headers)

res = conn.getresponse()

data = res.read()

print(data.decode("utf-8"))