Implementation Guides
Practical, step-by-step guides for implementing common messaging patterns with Sent.
Guide Categories
Core Messaging
Sending Messages
Everything about sending messages: single, batch, scheduling, and retry strategies
SMS Length, Segments & Cost
How segments are counted and billed, plus a live SMS length calculator
Message Status Tracking
Track delivery status via webhooks, polling, and the dashboard
Managing Contacts
Create, retrieve, update, and delete contacts through the API
Working with Templates
Create, customize, and manage message templates across channels
Advanced Patterns
Batch Operations
Send messages in bulk, import contacts, and optimize for high volume
Error Handling
Handle errors gracefully, implement retries, and circuit breakers
Testing & Debugging
Sandbox mode, test environment, and debugging failed messages
Voice
Answering Calls
What Sent asks your callback URL when a call arrives, and how to answer it
Calls From Your App
Mint voice tokens and place or receive calls in the browser with @sentdm/voice
Calls, Recordings, and Participants
Read calls, hang up, record, and manage conference participants through the API
Voice Recipes
Ring an app user with a phone fallback, a menu, a hold, a recorded call, a room per call, and routing by department
Quick Reference
| Task | Guide | API Endpoint |
|---|---|---|
| Send a message | Sending Messages | POST /v3/messages |
| Track delivery | Status Tracking | Webhooks / GET /v3/messages/{id} |
| Create contacts | Managing Contacts | POST /v3/contacts |
| Create templates | Working with Templates | POST /v3/templates |
| Handle errors | Error Handling | - |
New to Sent? Start with the Quickstart to send your first message, then return here for detailed implementation guidance.
Getting Help
- Troubleshooting Guide - Common issues and solutions
- Error Catalog - Complete error code reference
- Support - Contact the support team
What is 10DLC?
Why carriers in the United States require 10DLC registration for A2P SMS, how The Campaign Registry reviews brands and campaigns, and where Sent fits in
Connect a WhatsApp Business Account (WABA) to Sent
Connect a WhatsApp Business Account to Sent: Meta authorization, choosing the sending number, confirming the channel is live, and the Sender Profile path.