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Anthropic bot verification

Anthropic publishes an IP allow-list covering ClaudeBot, Claude-User, and Claude-SearchBot. DutyRadar reports a verdict per request and distinguishes training, user-driven, and search by UA.

Bots covered

ClaudeBot Training crawler ◑ IP-verified

Claude-User User-triggered fetcher ◑ IP-verified

Claude-SearchBot Retrieval crawler ◑ IP-verified

anthropic-ai Training crawler ✗ No source

Sample request

curl -X POST https://api.dutyradar.com/v1/classify \
  -H "Authorization: Bearer dr_live_..." \
  -H "Content-Type: application/json" \
  -d '{"user_agent":"Mozilla/5.0 (compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"}'

Sample response

{
  "data": {
    "verdict": "verified_bot",
    "operator": "anthropic",
    "bot": {
      "name": "ClaudeBot"
    },
    "category": "training_crawler"
  },
  "error": null
}

Try it now

Free tier: 500 verifications / month.

Sign up in 30 seconds. We email you a verification link, you mint your first dr_live_… key from the dashboard, and you're calling /v1/classify in under a minute.