US Spam Number Checker API — real-time spam phone lookup (1 million spam numbers database)

The Spam Number Checker API 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:

• Detect spam in real time before answering.

• Protect your users from fraud and scam attempts.

• Integrate in minutes with straightforward REST endpoints.

• Scale to handle millions of checks per day.

Base URL

https://spam.skipcalls.app/

Endpoints

1. Check a single phone number

GET /check/:number
Check one number for spam status.

Example:

curl https://spam.skipcalls.app/check/2125551234

Response:

{
  "number": "2125551234",
  "is_spam": false,
  "response_time_ms": 0.02
}

2. Check multiple phone numbers (batch)

POST /check/batch
Check several numbers in a single request.

Example:

curl -X POST https://spam.skipcalls.app/check/batch \
  -H "Content-Type: application/json" \
  -d '{"numbers": ["2125551234", "4155559876"]}'

3. Database statistics

GET /stats
View current database stats (e.g., number of spam entries, update frequency).

4. Health check

GET /health
Verify API availability and uptime.

Code examples

JavaScript

fetch('https://spam.skipcalls.app/check/2125551234')
  .then(res => res.json())
  .then(data => console.log(data));

Python

import requests
res = requests.get('https://spam.skipcalls.app/check/2125551234')
print(res.json())

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.

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Conclusion

The Spam Number Checker API 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: https://spam.skipcalls.app/