腾讯云，物联网通信产品，动态注册步骤

使用apipost，post方法。
test_sign.py脚本生成sign

import hashlib
import random
import time
import hmac
import base64if __name__ == '__main__':sign_format = '%s\n%s\n%s\n%s\n%s\n%d\n%d\n%s'url_format = '%s://ap-guangzhou.gateway.tencentdevices.com/device/register'request_format = "{\"ProductId\":\"%s\",\"DeviceName\":\"%s\"}"device_name = 'dev002'product_id = 'JCZDFSOKXS'product_secret = 'X42fPqwHxPiIBwY94cY5sQ1Y'request_text = request_format % (product_id, device_name)request_hash = hashlib.sha256(request_text.encode("utf-8")).hexdigest()nonce = random.randrange(2147483647)timestamp = int(time.time())sign_content = sign_format % ("POST", "ap-guangzhou.gateway.tencentdevices.com","/device/register", "", "hmacsha256", timestamp,nonce, request_hash)print("\nsign_content: \n" + sign_content)sign_base64 = base64.b64encode(hmac.new(product_secret.encode("utf-8"),sign_content.encode("utf-8"), hashlib.sha256).digest())print("sign_base64: " + str(sign_base64))

λ test_sign.py

sign_content:
POST
ap-guangzhou.gateway.tencentdevices.com
/device/register

hmacsha256
1625543789
542787393
770efeee110dca75a929ceab8b94ff1c5b67351e6db8da1a01ad0a275ce22d93
sign_base64: b’VhXqxMUBJxx4F94f69pl4FXAuUoDQEEfMgNS6X2poOw=’
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信息填入，注意按照图片里来，sign是单引号里面的内容json不能有空格，回车换行，需要和py代码里的一致
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点击发送
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{"Response": {"Len": 53,"Payload": "VquGm1QSJ8LtvTiGq3Zl8peo7Bjqr95bUuEwkRydEytD43dETTxiE7Jye4PE9hQCAGiMS9lqUvdyG5vNY3NIQg==","RequestId": "d8a2876d-d6b1-4f1a-8685-043971539fa2"}
}