Common parameters

When calling any TikTok Shop API, these are the required common parameters:

Parameter	Location	Type	Description	Sample
app_key	Query	string	The unique key assigned to your app. Refer to Create your app to find out where to get your app_key.	29a39d
sign	Query	string	A HMAC-SHA256 hash based on the parameter values, used by the service to verify the sender of the request in addition to the bearer/authorization token.
Refer to Sign your API request to learn how to generate this signature.	bc721f0e0182914e3487b81df204de37a352fc3aa96947efda6dc1e5dd0d5290
timestamp	Query	Unix timestamp	A timestamp in Unix epoch format to ensure timeliness of the request and to prevent replay attack. This is also used to generate the digital signature for the sign parameter.
Valid range: [Current time – 5 mins, current time + 30 secs]	1623812664