Services

Messaging apps

Registration on messaging apps before you pick a channel.

Social networks

Whether a number is linked to an account on a social network.

Consumer apps & accounts

Account presence on major consumer platforms and marketplaces.

Network & risk

Line type, carrier, live network status, porting and reputation signals for routing and risk decisions.

E-mail

Mailbox existence and account presence for e-mail addresses.

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Articles tagged “Rate limiting”

2 articles.

Fraud prevention
OTP bombing: how to protect your send-code endpoint
OTP bombing floods a phone with codes from your send-code endpoint. A rate-limit recipe by number, IP, device and prefix, with pre-send checks.
23 October 20267 min read
Fraud prevention
SMS pumping: how it works and how to stop it
How SMS pumping (artificially inflated traffic) drains OTP budgets, the signals that give it away, and a layered checklist to stop it before you pay.
25 September 20268 min read

OTP bombing: how to protect your send-code endpoint