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Phone Spam Check API

Phone Spam & Reputation API

Spam and robocall risk scoring built on official FTC Do-Not-Call complaint data — refreshed every weekday — combined with community-reported outcomes.

1 credit
200k reported numbers, refreshed from the FTC daily
200k+
Reported numbers
0–100
Spam risk score
Try it free first: Free Spam Phone Checker

Check any number's spam and robocall reputation. No signup needed.

Open free tool

Complete Spam & Robocall Intelligence

Complaint-backed reputation, scored from counts you can check

Spam score (0-100)

Quantify spam and nuisance risk for any number in real time.

Robocaller detection

Flag numbers consumers reported as recorded-message robocalls.

Complaint history tracking

Complaint volume, recency, and subject from the official FTC registry.

Community corroboration

Customer-reported outcomes (spam / wrong number / reached) sharpen the verdict.

Phone Spam Check use cases

Common workflows teams run with this data.

Less spam

Call center protection

Filter spam and fraud numbers before they hit your agents or IVR.

  • Block robocalls
  • Protect agents
  • Reduce noise
Cleaner queues

Customer service filtering

Prioritize legitimate callers and de-prioritize known bad actors.

  • Score inbound calls
  • Route smartly
  • Cut fraud
Better ROI

Lead qualification

Avoid wasting outreach on numbers with a poor spam reputation.

  • Skip flagged numbers
  • Protect sender rep
  • Focus effort

Start using Phone Spam Check today

One API, universal credits, and 200 free credits a month. Live in about five minutes.