🔌 Blacklist Monitor API

Programmatic access to all 8 DNS blacklists. JSON responses, rate-limited, crypto-billed.

🆓 Free Tier

100 req/day

No key required
Rate-limited per IP

⭐ Pro Tier

€9/mo

1,000 req/day
API key access
BTC/LTC payments

Upgrade →

Endpoints

Check IP

        GET /api/blacklist-monitor/ip?target=192.0.2.1
    

Checks one IP against all 6 IP-based blacklists + geo-location.

Check Domain

        GET /api/blacklist-monitor/domain?target=example.com
    

Checks one domain against 2 domain-based blacklists (SURBL + URIBL) + resolves domain IPs to check IP blacklists too.

Bulk Check (Pro Only)

        POST /api/blacklist-monitor/bulk

        Content-Type: application/json

        {"targets": ["192.0.2.1", "example.com"], "api_key": "pro_key_xxx"}

Batch check up to 20 targets (IPs or domains) in one request. Returns array of results.

Example Response (IP)

{
  "target": "192.0.2.1",
  "target_type": "ip",
  "checked_at": "2026-05-01T15:30:00Z",
  "total_checked": 6,
  "listed_count": 0,
  "clean_count": 6,
  "verdict": "All 6 blacklists report this IP as clean.",
  "geo": {
    "country": "United States",
    "city": "Mountain View",
    "isp": "Google LLC",
    "asn": "AS15169"
  },
  "results": [
    {
      "name": "Spamhaus ZEN",
      "listed": false,
      "response": null,
      "description": "Primary spam blacklist used by most providers",
      "delist_url": "https://www.spamhaus.org/lookup/"
    },
    ...
  ]
}

Blacklists Available via API

IP Blacklists (6)
Spamhaus ZEN, SpamCop, Barracuda, SORBS, PSBL, SpamRATS

Domain Blacklists (2)
SURBL multi, URIBL black

Geo + Location
Country, city, ISP, ASN for IPs

← Back to Blacklist Monitor

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