Build with the Textspeed API
Explore our comprehensive API references, SDKs, and developer guides to integrate powerful communication channels into your application in minutes.
API Products
Select a product below to view its complete API documentation and schemas.
SMS API
Send single and bulk SMS with DLT compliance, URL shortening, and delivery tracking.
WhatsApp API
Send text, media, templates, and interactive messages via WhatsApp Business.
RCS API
Send rich, interactive messages with high-res media, carousels, and suggested replies using RCS Business Messaging.
OBD Voice API
Automate outbound voice calls, broadcast voice messages, and build interactive voice response (IVR) systems.
Email API
Send transactional and promotional emails at scale with high deliverability, tracking, and customizable templates.
Verify API
Verify phone numbers with SMS OTP for secure user authentication.
Virtual Numbers
Browse, purchase, and manage virtual phone numbers across countries.
Developer Resources
Everything you need to build, test, and launch your integrations faster and securely.
Postman Collection
Test API endpoints instantly in your workspace.
SDKs & Libraries
Official wrappers for Node.js, Python, and PHP.
Webhook Events
Receive real-time message delivery reports.
Rate Limits
Understand platform limits and throttling rules.
Security Guide
Data privacy, encryption, and IP whitelisting.
System Status
Monitor real-time API uptime and latency.
Architecture Patterns
Discover how leading businesses combine our APIs to solve complex communication challenges.
Abandoned Cart Recovery
Automatically trigger personalized WhatsApp reminders with checkout links when users abandon carts.
Multi-Factor Authentication
Secure user logins and transactions with robust, time-sensitive SMS OTPs and fallback voice calls.
AI Customer Support
Deflect routine queries using intelligent WhatsApp chatbots, seamlessly escalating complex issues to human agents.
Delivery Tracking Alerts
Keep customers informed with real-time delivery status updates via SMS and rich WhatsApp notifications.