API Overview This is the Level 3 product category dictionary endpoint. It takes a Level 2 parent category ID and returns the finest standardized category nodes, making it useful when you need the most granular product category resolution available in EchoTik.Recommended Use Cases
Resolve product categories at the most detailed level
Run highly targeted product discovery
Filter rankings and lists at a niche category level
Maintain a complete category tree for BI or internal data systems
Notes
Data comes from EchoTik's offline database, so there can be a delay; if the API returns no data, it usually means the entity has not been collected by EchoTik yet
Request
Authorization
Send your HTTP requests with an
Authorization
header that contains the word Basic followed by a space and a base64-encoded string username:password