Free Spam Check API
US Spam Number Checker API — real-time spam phone lookup (1 million spam numbers database)
lets you instantly check if a phone number is marked as spam. With simple JSON endpoints and lightning-fast response times, it’s easy to integrate into any app, CRM, or call-handling system.
Why use the Spam Number Checker API?
Spam calls waste time, hurt business productivity, and annoy customers. By using our API, you can:
with straightforward REST endpoints.
to handle millions of checks per day.
Base URL
Endpoints
1. Check a single phone number
Check one number for spam status.
//spam.skipcalls.app/check/2125551234
2. Check multiple phone numbers (batch)
Check several numbers in a single request.
//spam.skipcalls.app/check/batch \
3. Database statistics
View current database stats (e.g., number of spam entries, update frequency).
4. Health check
Verify API availability and uptime.
Code examples
'https://spam.skipcalls.app/check/2125551234'
Best practices
Cache results for repeated lookups to reduce API calls.
Use batch endpoint for contact list cleaning.
Run checks before dialing outbound numbers.
Combine with caller ID to display a “Spam” warning.
spam number api, phone number spam check, spam lookup api, spam caller detection, block spam calls, spam prevention API, spam phone API integration
Conclusion
is a fast, lightweight, and developer-friendly solution for identifying spam calls. Whether you’re building a consumer app or a business call center system, integrating this API will protect your users, reduce wasted time, and improve call quality.
You can start using it today at:
Your AI phone assistant that never sleeps. AI that actually works
