[Messente](https://messente.com) is a global provider of messaging and user verification services. * Send and receive SMS, Viber, WhatsApp and Telegram messages. * Manage contacts and groups. * Fetch detailed info about phone numbers. * Blacklist phone numbers to make sure you're not sending any unwanted messages. Messente builds [tools](https://messente.com/documentation) to help organizations connect their services to people anywhere in the world.