Glossary
1. Platform API Related Parameters
useId：Used for identity verification when the Polyv server communicates with your server.
readtoken：Read token, used to read data from the Polyv server.
writetoken：Write token, used to write data to the Polyv server.
secretkey：Used when calling the PolyvAPI interface for signed access.
To obtain the values of the four parameters userId, writetoken, readtoken, and secretkey, click "Settings" on the right side of the top function list — then click "API Interface", as shown below:
When calling the platform API interface, one or more of these four parameters may be required.
2. Category Related Parameters
catatree：Category tree
cataid：The id of a video category.
(1) Category tree catatree: In the top function list, click "Video List" — click "Video Category Management" — select a category (e.g., "Volume 2 Upper"), as shown below:
