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IP Location IntelligenceCountry, city, timezone and network type for any IPv4 or IPv6 address. Proxy & VPN DetectionFlag VPNs, proxies, Tor exits, bots and hosting ranges before they sign up. Payment Fraud ScoringA 0–100 risk score for every transaction, built from 21 rules and your own outcomes. Card BIN LookupIssuer, scheme, card type and country from the first six digits. IBAN ValidationChecksum, bank and country checks before you send a payout. Email & Phone ScoringDisposable and role-based emails and disposable numbers caught at sign-up. Profanity FilterKeep user-generated text clean in Arabic and English. ASN IntelligenceWho owns the network, and whether it is an ISP, hosting or business. Country IntelligenceCurrencies, dial codes, capitals and timezones for every country.
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Payment fraudCatch fraud at checkout. Keep chargebacks off your books. Fake accountsReal users sign up. Bots and burner accounts do not. SMS fraudEvery code you send should reach a real person. Account takeoverKeep hackers out. Keep customers in. Safe communitiesClean conversations, in every dialect. Web personalizationThe right language, currency and content, from the first request.
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Every code you send should reach a real person.

SMS pumping fires thousands of OTPs at premium numbers and bills you for each one. Gurdx blocks the request before the message leaves your gateway.

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What you get

Premium-rate detection

Known pumping ranges and virtual carriers flagged instantly.

Velocity limits

Cap OTP requests per IP, prefix and session with one rule.

Geo mismatch

Compare the number country with the IP country before sending.

Spend protection

Dashboard alerts when OTP volume spikes outside your baseline.

How it works

1
Score the number

Call phone scoring with the IP before you call your SMS provider.

2
Apply your limits

Velocity and country rules run in the same request.

3
Send only what is safe

Blocked requests never reach your SMS provider.

Frequently asked

Attacks commonly run thousands of messages an hour; a single night can exceed a monthly SMS budget.
It complements it. Rate limits catch volume; Gurdx catches the numbers and networks behind it.
Any. Gurdx runs before the send call, independent of the SMS gateway.
Get started

Start blocking fraud today

Create an account, add one API call and watch the first bad actor get stopped before checkout.

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