Sinch

Founded by Oscar Werner in 2008

Send SMS, voice calls, emails, and verification codes via APIs

Cost

Free Trial

Rating

★ People love it

Time to value

Quick Setup (< 1 hour)

You can use Sinch to build messaging, voice, and email communications into your apps and services using APIs. It lets developers send SMS, RCS, MMS, WhatsApp messages, make voice calls, verify users with OTPs, and send transactional emails. It also offers ready-made applications for marketing campaigns, customer notifications, and chatbots. Sinch connects directly to 600+ telecom operators worldwide, handling delivery routing, fraud prevention, and compliance so businesses don't have to manage multiple intermediary providers.

What Sinch does

Send bulk SMS messages to subscribers using the SMS APIVerify user phone numbers with one-time passcodesSet up RCS campaigns with images, buttons, and branded sender namesRoute voice calls through SIP trunking infrastructureCreate automated email sequences triggered by user actionsMonitor message delivery rates and open rates across campaignsProvision phone numbers across 60+ countries from a single dashboardIntegrate WhatsApp messaging into customer support workflowsDirect connections to 600+ telecom operators without intermediariesSupports SMS, RCS, MMS, WhatsApp, voice, and email from one APIBuilt-in fraud prevention and compliance tools99.99% uptime across 60+ countriesPhone number verification and OTP delivery for user authenticationReady-made marketing and chatbot applications alongside raw APIsRCS messaging with branded, verified sender profilesElastic SIP trunking for voice traffic management

Tutorials & Demos

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