The MSG91 OTP API allows developers to send OTPs (one-time passwords) over SMS or Voice. These can be used to confirm contact information, implement 2-factor login, secure transactions, etc. Developers can customize message content, choose the sender ID, and determine the length of the OTP (4 to 9 digits).
Make sure your contact lists are accurate and up-to-date with our Phone Validator API. Improve your contact rate and extract information from global phone numbers.
Make sure your emails always hit the inbox with our Email Validator API. Our powerful API will help you clean up your mailing lists and improve your email delivery rate.
Smarty offers USPS and International address verification services and US rooftop geocoding. The Smarty US ZIP Code API can enable look up and verification of city, state, and ZIP Code combination....
Smarty offers USPS and International address verification services and US rooftop geocoding. The Smarty US Autocomplete Pro API returns suggestions that are fully verified USPS addresses, uses fuzzy...
Google Identity Services (GIS) JavaScript SDK offers methods to add a sign in with Google button as well as One Tap, a low-friction authentication prompt. Sign in with Google and One Tap use secure...
