API / Search & discovery
One taxonomy across every seller, so a query does not have to know that one calls it “Audio” and another “Headphones & Earbuds”.
GET /v1/categories
No parameters beyond the path and your bearer token.
GET /v1/categories?parent=electronics
→ 200
{ "nodes": [
{ "id": "electronics.audio", "label": "Audio", "products": 41209,
"maps_to": { "bestbuy": "abcat0200000", "target": "N-5xtg6" } } ] }