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.

42 checks · one API · pay only for conclusive answers

Articles tagged “HLR”

2 articles.

Developers
How long is a phone check result valid? Caching HLR, MNP and messaging-app answers
Each phone signal goes stale at its own speed. How often to re-verify numbers, how to cache HLR, MNP and messaging-app answers, and how long to keep them.
30 September 20268 min read
Deliverability
When does an HLR lookup pay for itself? Break-even math for SMS and OTP costs
A simple cost model for pre-send checks: when an HLR, MNP or carrier lookup costs less than the SMS it saves, with formulas and a worked table.
30 September 20268 min read

How long is a phone check result valid? Caching HLR, MNP and messaging-app answers