Sinch API
SMS & Messaging · Communications
Sinch is a global customer engagement platform that provides enterprise-grade communications APIs enabling businesses to connect with customers through SMS, RCS, WhatsApp Business, voice, email, and verification channels. Founded in Sweden in 2008 and publicly traded on Nasdaq Stockholm, Sinch has built direct carrier connections in over 120 countries, making it one of the largest messaging companies in the world with billions of messages processed monthly.
Sinch API Highlights
Sinch API is verified for developer integrations in Nigeria and across African markets, providing documented endpoints, sandbox testing, and developer support.
API Key + API Secret or OAuth 2.0
Standard limits. Enterprise plans available.
Nigeria
Ghana
Kenya
AWSSinch API is best for:
Mid-to-enterprise businesses needing omnichannel customer engagement SMS, RCS, WhatsApp, voice, email, and verification in one platform with enterprise-grade delivery and global carrier coverage including Nigeria.
- Free trial
- SMS, Voice, WhatsApp, RCS available
- Nigeria supported
- USD pricing per message
Sinch API Core Features & Capabilities
Features Included
Not Supported
Required Access Documents for Sinch API
- Sinch AccountRequiredRegister at sinch.com for free trial access. API credentials in dashboard. Enterprise contracts require business verification.
Different Sinch API use cases
- Nigerian Enterprise Customer Engagement Suite:Use Sinch to build an enterprise customer engagement platform for a large Nigerian business unifying SMS alerts, WhatsApp service messages, RCS rich notifications, and email campaigns under a single Conversation API with a unified customer inbox.
- RCS Rich Messaging for Nigerian Mobile Users:Use Sinch RCS to send branded, interactive rich messages to Nigerian smartphone users on supported carriers including images, action buttons, and carousels in the native SMS app experience.
- Verification API for Nigerian Platform:Use Sinch Verification to handle OTP delivery for Nigerian users automatic channel fallback (SMS → voice) ensures high verification completion rates across all Nigerian networks.
- Nigerian Call Center Voice Analytics:Use Sinch Voice with call recording and analytics to build a monitored customer service call center for a Nigerian enterprise, with post-call analysis for quality assurance and training.