SMSLocal
Start Free — ₹60 Credit
Developer Hub

Send your first message in five minutes.

REST and XML APIs, webhook-driven delivery reports, and a sandbox mode with ₹60 free credit. Everything an engineer needs to go from curl to production.

Start the quickstartAPI referenceGet sandbox credits
Signed webhooks
Idempotency built-in
Versioned API
Real-time DLRs
zsh — smslocalsandbox
$ curl -X POST https://api.smslocal.in/v1/sms/send \
  -H "Authorization: Bearer sk_test_•••••••••" \
  -d '{"to":"+919876543210","body":"Hello India"}'

{
  "id": "msg_4f6c72",
  "status": "queued",
  "to": "+919876543210",
  "operator": "JIO",
  "template_id": "1307161234567890123",
  "route": "transactional-priority",
  "segments": 1,
  "price": { "amount": 0.21, "currency": "INR" }
}

# delivery webhook fires in ~0.6s
Start here

Four ways to get productive fast.

Every tile takes you to a focused, copy-paste-ready page.

Quickstart

From zero to first SMS in 5 minutes. cURL, API key, and a single POST.

API Reference

Every endpoint, every parameter, every response code — with live examples.

SMS API reference

Deep dive on the SMS endpoint — DLT templates, sender IDs, Unicode, webhooks.

Popular endpoints

Copy, paste, ship.

Four endpoints cover 90% of integrations. Bring your API key and you're done.

POST/v1/sms/send

Send a single DLT-compliant SMS to one recipient.

curl -X POST https://api.smslocal.in/v1/sms/send \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+919876543210",
    "sender_id": "SMSLOC",
    "template_id": "1307161234567890123",
    "body": "Your order #4821 is confirmed. Tracking in our app."
  }'
POST/v1/otp/send

Dispatch an OTP on a dedicated priority route with retry logic.

curl -X POST https://api.smslocal.in/v1/otp/send \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: 2f9b6c1e-…" \
  -d '{
    "to": "+919876543210",
    "code_length": 6,
    "expires_in": 300,
    "channel": "sms"
  }'
POST/v1/whatsapp/send

Send a WhatsApp Business template message with variables and buttons.

curl -X POST https://api.smslocal.in/v1/whatsapp/send \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+919876543210",
    "template_name": "order_shipped_en",
    "language": "en",
    "variables": ["4821", "25 Apr", "https://smsl.in/t/4821"]
  }'
POST/v1/campaigns/bulk

Launch a bulk SMS campaign across a large recipient list with throttling.

curl -X POST https://api.smslocal.in/v1/campaigns/bulk \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Diwali Sale — Delhi NCR",
    "template_id": "1307161234567890124",
    "recipients_list_id": "lst_8d2a41",
    "schedule_at": "2026-10-28T19:00:00+05:30"
  }'

Sandbox access

Test the full API against a sandbox phone number. No credits consumed, no DLT template required — ideal for CI pipelines and PR previews.

Get API key₹60 free credit on first top-up
Pair with

What every API integration ends up needing.

Explore products

See it in your industry

Keep reading

The fastest path from curl to production.

REST, XML, webhooks, signed events, idempotency, sandbox — everything your platform team will audit for, already built.

Start building — freeRead the docs