URLScan.io API

Base URL

https://urlscan.io/api/v1

Authentication

Header: API-Key: $URLSCAN_API_KEY

Rate Limits

• Free: 100 scans/day, 100 searches/day
• Paid: Higher limits based on plan

Key Endpoints

Submit URL for scanning

curl -s -X POST "https://urlscan.io/api/v1/scan/" \
  -H "API-Key: $URLSCAN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url": "https://example.com", "visibility": "unlisted"}'

Response: {"uuid": "...", "api": "https://urlscan.io/api/v1/result/UUID/"}

Important: Scan is async. Wait ~30 seconds before retrieving results. Poll the result URL until status is not 404.

Retrieve scan results

curl -s "https://urlscan.io/api/v1/result/{uuid}/" \
  -H "API-Key: $URLSCAN_API_KEY"

Useful response fields:

• verdicts.overall — malicious/benign score
• page.url — final URL after redirects
• page.ip — IP address resolved
• page.country — hosting country
• page.server — web server
• lists.ips — all IPs contacted
• lists.domains — all domains contacted
• lists.urls — all URLs loaded
• stats.tlsPercentage — TLS usage
• task.screenshotURL — screenshot of page

Search existing scans

curl -s "https://urlscan.io/api/v1/search/?q=domain:example.com" \
  -H "API-Key: $URLSCAN_API_KEY"

Search operators: domain:, ip:, server:, filename:, hash:, page.url:

Scan Flow

1. Submit URL → get UUID
2. Wait 30 seconds
3. Poll result endpoint (retry on 404, max 5 attempts with 10s delay)
4. Extract and return key findings

Response Summary Format

url: <scanned URL>
final_url: <after redirects>
verdict: malicious|suspicious|benign|unknown
ip: <resolved IP>
country: <hosting country>
technologies: [<detected technologies>]
domains_contacted: [<list>]
ips_contacted: [<list>]
screenshot: <URL>