{
  "id": "svix-webhooks",
  "name": "Svix Webhooks",
  "operator": {
    "name": "Svix",
    "url": "https://www.svix.com"
  },
  "description": "Webhook-sending infrastructure used by Svix's customers to deliver events. Not a crawler; Pro/Enterprise plans get a documented, static set of per-region source IPs, and requests include a Svix sender identifier in the User-Agent.",
  "docs": [
    "https://docs.svix.com/receiving/source-ips"
  ],
  "category": "webhook",
  "user_agents": {
    "patterns": [
      "Svix-Webhooks/[\\d.]+"
    ],
    "instances": [
      "Svix-Webhooks/1.68.0"
    ]
  },
  "behavior": {
    "respects_robots_txt": false
  },
  "verification": [
    {
      "type": "static_cidrs",
      "cidrs": [
        "44.228.126.217/32",
        "50.112.21.217/32",
        "52.24.126.164/32",
        "54.148.139.208/32",
        "2600:1f24:64:8000::/56",
        "54.164.207.221/32",
        "54.90.7.123/32",
        "2600:1f28:37:4000::/56",
        "52.215.16.239/32",
        "54.216.8.72/32",
        "63.33.109.123/32",
        "2a05:d028:17:8000::/56",
        "13.239.204.236/32",
        "54.66.246.217/32",
        "54.252.65.96/32",
        "2406:da2c:13:4000::/56",
        "52.60.44.49/32",
        "3.98.68.230/32",
        "3.96.105.27/32",
        "2600:1f21:1c:4000::/56"
      ]
    }
  ],
  "tier": 2,
  "tier_label": "Verifiable",
  "first_seen": "2026-07-08T19:13:49.571Z",
  "resolved_cidrs": [
    "13.239.204.236/32",
    "2406:da2c:13:4000::/56",
    "2600:1f21:1c:4000::/56",
    "2600:1f24:64:8000::/56",
    "2600:1f28:37:4000::/56",
    "2a05:d028:17:8000::/56",
    "3.96.105.27/32",
    "3.98.68.230/32",
    "44.228.126.217/32",
    "50.112.21.217/32",
    "52.215.16.239/32",
    "52.24.126.164/32",
    "52.60.44.49/32",
    "54.148.139.208/32",
    "54.164.207.221/32",
    "54.216.8.72/32",
    "54.252.65.96/32",
    "54.66.246.217/32",
    "54.90.7.123/32",
    "63.33.109.123/32"
  ]
}