10.4 GET /categories/{slug} — single category
Example request:
curl -H "Authorization: Bearer zk_YOUR_KEY" \
"https://zippfeed.com/api/v1/developer/categories/markets-etfs?lang=tr-TR"
Response:
{
"slug": "markets-etfs",
"name": "ETF'ler",
"is_group": false,
"group": {"slug": "markets", "name": "Pazarlar"},
"leaves": null
}
If slug is a group: is_group: true, group: null, leaves: [...].