curl https://api.tracklysms.com/api/v2/accounts/children \
  -H "X-Api-Key: trk_your_parent_key"

import requests

resp = requests.get(
    "https://api.tracklysms.com/api/v2/accounts/children",
    headers={"X-Api-Key": "trk_your_parent_key"},
)
for child in resp.json()["children"]:
    print(child["accountId"], child["name"], child["status"])

{
  "children": [
    {
      "accountId": 1042,
      "name": "Acme West",
      "status": "active",
      "plan": "paid",
      "externalIds": { "partnerId": "p_1", "businessId": "b_9", "locationId": "loc_west" },
      "billedByParent": true,
      "createdAt": "2026-07-26T14:03:11.123456"
    }
  ]
}