Şehir ve İlçe

GET /api/v1/lookups/cities

curl https://identity.payven.com.tr/api/v1/lookups/cities \
  -H "Authorization: Bearer $PAYVEN_TOKEN"

[
  { "id": "abc-...", "code": "34", "name": "İstanbul" },
  { "id": "def-...", "code": "06", "name": "Ankara" },
  { "id": "ghi-...", "code": "35", "name": "İzmir" }
]

GET /api/v1/lookups/districts?city_id={uuid}

curl "https://identity.payven.com.tr/api/v1/lookups/districts?city_id=abc-..." \
  -H "Authorization: Bearer $PAYVEN_TOKEN"

[
  { "id": "...", "name": "Kadıköy",   "city_id": "abc-..." },
  { "id": "...", "name": "Beşiktaş", "city_id": "abc-..." },
  { "id": "...", "name": "Şişli",     "city_id": "abc-..." }
]