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Programmable SMS API

SMS API

Send and receive text messages worldwide with a single REST API. High-throughput delivery, intelligent routing, and real-time status callbacks in 190+ countries.

190+
countries
10M+/hr
throughput
99.99%
uptime SLA
bash
curl -X POST https://api.conversa.in/v1/sms/messages \
  -H "Authorization: Bearer $API_KEY" \
  -d from="CONVRSA" \
  -d to="+919000000000" \
  -d text="Your order has shipped."
Capabilities

Everything you need to ship SMS API

01

Global reach

Deliver to 190+ countries over direct operator connections and tier-1 routes.

02

High throughput

Push millions of messages per hour with automatic rate scaling.

03

Delivery receipts

Real-time status webhooks confirm sent, delivered, or failed states.

04

Unicode & concatenation

Full emoji and multi-part message support with automatic segmentation.

Use cases

Built for how you use SMS API

  • Transactional alerts
  • Order updates
  • Account notifications
  • Appointment reminders

SLA

99.99%

uptime SLA

Enterprise-grade reliability with 24/7 support, dedicated routing, and transparent status reporting.

FAQ

Common questions

How do I track delivery?

Register a webhook URL to receive real-time delivery receipts for every message.

Do you support long messages?

Yes — messages over 160 characters are auto-segmented and reassembled on the handset.

One platform

More SMS products

Every Conversa product shares the same API, dashboard, and billing.

Ready to launch SMS API?

Get API keys in minutes. Pay only for what you use.