curl "https://api.up2data.ai/v1/usage/signals?group_by=external_id" \
  -H "X-API-Key: $UP2DATA_API_KEY"

resp = requests.get(
    "https://api.up2data.ai/v1/usage/signals",
    params={"group_by": "external_id"},
    headers={"X-API-Key": UP2DATA_API_KEY},
)
rows = resp.json()["data"]

const res = await fetch(
  "https://api.up2data.ai/v1/usage/signals?group_by=external_id",
  { headers: { "X-API-Key": apiKey } },
);
const { data, meta } = await res.json();

{
  "data": [
    {
      "external_id": "crm:workspace:42",
      "checks": 120,
      "successful_checks": 118,
      "failed_checks": 2,
      "matched_checks": 7,
      "credits_charged": 118
    },
    {
      "external_id": null,
      "checks": 3,
      "successful_checks": 3,
      "failed_checks": 0,
      "matched_checks": 0,
      "credits_charged": 3
    }
  ],
  "meta": {
    "requestId": "req_…",
    "creditsRemaining": 9840,
    "group_by": "external_id",
    "from": "2026-07-01T00:00:00.000Z",
    "to": "2026-07-21T12:00:00.000Z"
  }
}