curl -X POST https://api.tracklysms.com/api/v2/webhooks \
  -H "X-Api-Key: trk_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{ "url": "https://hooks.bizinga.com/trackly", "events": ["message.delivered", "message.failed"] }'

import requests

resp = requests.post(
    "https://api.tracklysms.com/api/v2/webhooks",
    headers={"X-Api-Key": "trk_your_api_key"},
    json={"url": "https://hooks.bizinga.com/trackly", "events": ["message.delivered", "message.failed"]},
)
print(resp.json()["signingSecret"])  # store this

{
  "id": "66b0f7c84a1d4b2e9c3a1f2e",
  "accountId": 1042,
  "url": "https://hooks.bizinga.com/trackly",
  "events": ["message.delivered", "message.failed"],
  "active": true,
  "signingSecretRotatedAt": null,
  "createdAt": "2026-07-26T14:03:11Z",
  "updatedAt": "2026-07-26T14:03:11Z",
  "signingSecret": "9f2c...64hex",
  "previousSigningSecret": null
}