Sent TeamMar 8, 2026 / sms compliance / Sinch

Sinch Next.js Inbound SMS: Receive SMS Webhooks with Complete Tutorial (2025)

Build a production-ready Sinch SMS webhook handler with Next.js App Router. Step-by-step guide with HMAC-SHA256 verification, Zod validation, Prisma storage, and webhook retry handling for two-way messaging.