Programmable SMS

SMS API

Send and receive SMS worldwide with one API. High-throughput delivery, OTP, and smart routing.

190+: countries
10k+: msgs / sec
99.95%: delivery rate

bash

curl -X POST https://api.conversa.in/v1/sms \
  -H "Authorization: Bearer $API_KEY" \
  -d from="CONVRSA" \
  -d to="+919000000000" \
  -d text="Your OTP is 458213"

Capabilities

Everything you need to ship SMS

Global reach

Direct carrier connections in 190+ countries with adaptive routing.

OTP & verification

Purpose-built verification API with auto-retry across channels.

Two-way messaging

Long codes, short codes, and sender IDs for inbound conversations.

Delivery intelligence

Real-time DLRs, spam detection, and per-route quality scoring.

Explore

SMS products

Purpose-built SMS products, all on one API, dashboard, and bill.

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.

Verify & OTP

Verify users with one-time passcodes over SMS, voice, and WhatsApp. Managed code generation, retries, and fraud controls through one turnkey API.

Two-Way SMS

Hold real conversations over SMS. Receive inbound replies on your numbers and respond programmatically to build interactive, two-way messaging flows.

Short Codes

Send high-volume, high-throughput messaging over dedicated 5-6 digit short codes. Ideal for marketing, alerts, and any campaign needing maximum deliverability.

Long Codes & 10DLC

Message from standard 10-digit local numbers with 10DLC registration for compliant, high-trust A2P delivery across US carriers.

Sender IDs

Brand every message with an alphanumeric Sender ID so recipients see your name instead of a number. Registered and route-optimized for supported countries.