curl -H "X-API-Key: $PARTICLE_API_KEY" \
  "https://api.particle.pro/v1/projects/{projectId}/webhooks/connections"

{
  "data": [
    {
      "created_at": "2023-11-07T05:31:56Z",
      "id": "<string>",
      "project_id": "<string>",
      "secret_prefix": "<string>",
      "url": "<string>",
      "created_by": {
        "id": "<string>",
        "name": "<string>"
      },
      "name": "<string>",
      "revoked_at": "2023-11-07T05:31:56Z"
    }
  ]
}