Thank you. There was a problem with the pre-scripte.
The new download solved the problem.
Is the previous download the past version.. It's..

Anyway, thanks to you, I solved it. Thank you.

Thank you for your answer. However, the environment configuration is normal no matter how much I check. What's strange is that even though Tuya API Explorer and PostMan used the same Timestamp value, the HMAC value was different. Obviously, ClientID, Secret, and Timestamp values are the same, so why...

Hi, I'm trying to call the API using Postman, but I'm getting a "sign invalid" error The Postman json file and Enviroments were added by referring to "https://developer.tuya.com/en/docs/iot/set-up-postman-environment?id=Ka7o385w1svns" Below is Postman pre-scripte, where "cli...