SMS Character Limits Explained: 160, 153, 70 and 67
Why one SMS holds 160 GSM-7 or 70 Unicode characters, which characters count double, how emoji and multipart segments work, and what each extra segment costs.
How to Choose a Verify API for Phone Verification and 2FA
A practical checklist for choosing a Verify API for phone verification and 2FA, with the tests, metrics and vendor questions that show real differences before you commit.