# Lowest Price SMS Gateway & SMS API Sri Lanka | VeloBotix

> Lowest price SMS gateway in Sri Lanka from LKR 0.50/SMS with no monthly commitment. Pay only for what you send: bulk, OTP and API SMS. Credits never expire. Free LKR 50 trial.

Source: https://www.velobotix.app/

Lowest price in Sri Lanka · No monthly commitments

# SMS gateway in Sri Lanka. API, bulk & OTP.  
Sinhala, Tamil & English.

VeloBotix is a Sri Lankan SMS gateway and SMS API platform that enables businesses and developers to send transactional, OTP, bulk and application-generated SMS messages. Traffic uses local Dialog, Mobitel, Hutch and Airtel routes with portal or REST API access.

VeloBotix is one of the best SMS gateway providers in Sri Lanka for businesses and developers, offering reliable SMS API services, affordable bulk SMS from LKR 0.50 per SMS, OTP delivery and custom Sender ID — all on local operator routes with no monthly commitment.

Built for Sri Lankan shops, apps and enterprises. Lowest SMS price in Sri Lanka with no monthly fees or contracts. Pay only for what you send. Credits never expire. Free LKR 50 trial.

Bulk SMS Sri Lanka OTP & transactional Developer SMS API

[Read the API docs](https://www.velobotix.app/docs/getting-started)

Free LKR 50 to test · No card · No monthly commitment

Local

Operator routes

5+

SL networks

API

REST + portal

Si·Ta·En

Language support

LKR

Pay-as-you-send

Trial

LKR 50 free credit

## SMS gateway → API → OTP → bulk → Sri Lanka

VeloBotix is a Sri Lankan SMS gateway and SMS API platform. Start with the job you need to do.

[### SMS Gateway Sri Lanka

Local operator routes for OTP, alerts and campaigns.](https://www.velobotix.app/sms-gateway-sri-lanka)[### Bulk SMS Sri Lanka

Campaigns in Sinhala, Tamil and English.](https://www.velobotix.app/bulk-sms-sri-lanka)[### SMS Pricing

LKR packs. Credits never expire.](https://www.velobotix.app/sms-pricing-sri-lanka)[### OTP SMS

Verification codes via the SMS API.](https://www.velobotix.app/otp-sms)[### SMS API

REST API with Basic Auth for apps and backends.](https://www.velobotix.app/sms-api-sri-lanka)[### API Documentation

Getting started, send SMS, bulk, languages.](https://www.velobotix.app/docs)

SMS Gateway Features

## SMS gateway & API — built for Sri Lanka

Bulk SMS Sri Lanka, OTP and API on local routes — with Sinhala, Tamil and English support.

### Bulk SMS Sri Lanka

Send bulk SMS Sri Lanka campaigns in seconds — CSV, schedule, Sender ID and live reports on a low cost SMS gateway.

### Powerful REST API

Integrate SMS into any app in minutes with our clean REST API. Full SDK support for PHP, Python, Node.js, Java, and more.

### Smart Web Portal

Manage everything from a sleek, intuitive web portal. View reports, manage contacts, create sender IDs, and monitor campaigns in real time.

### Transactional SMS

Send OTPs, order confirmations, booking alerts, and critical notifications with sub-second delivery and 98%+ delivery rates.

### Contact Management

Upload, segment, and manage unlimited contacts. Create dynamic groups, import via CSV, and keep lists clean with opt-out handling.

### Real-Time Analytics

Track delivery rates, click-throughs, campaign ROI, and cost per message. Export detailed reports for any date range.

### Sinhala, Tamil & English

Full Sinhala, Tamil and English support SMS gateway. Unicode for local languages; GSM-7 for English when it fits.

### Local Operator Delivery

Local Dialog, Mobitel, Hutch and Airtel routes for OTP and transactional SMS — not grey international hops.

### OTP & Verification

Secure your users with one-time passwords delivered via SMS. Built-in expiry, retry logic, and fraud detection included.

### Scheduled Messaging

Plan ahead. Schedule SMS campaigns days, weeks, or months in advance. Perfect for promotions, reminders, and event notifications.

### Sub-Account Management

Create and manage multiple sub-accounts for your team or clients. Set spending limits, monitor usage, and keep billing separate.

Get Started in 3 Steps

## How to send SMS in Sri Lanka with VeloBotix

No long setups. No technical barriers. VeloBotix gets you sending SMS faster than any other gateway in Sri Lanka.

1

### Create Your Free Account

Sign up in 60 seconds. No credit card required. Get LKR 50 in free trial credits to start testing immediately.

2

### Choose Your Plan & Top Up

Pick a plan that fits your volume. Top up your balance via bank transfer, cards, or cash deposit. No monthly contracts.

3

### Start Sending in Minutes

Use our portal, integrate via REST API, or connect through Zapier. Your first SMS can be live in under 5 minutes.

No credit card required · LKR 50 free credit · Ready in minutes

Developer-First API

## SMS REST API for Sri Lanka — live in minutes

A clean REST API with both GET and POST support. Authenticate with your email and API key — no OAuth setup, no SDK required. Just plain HTTP requests.

Authentication — Basic Auth

Username your-email@domain.com

Password YOUR\_API\_KEY

-   GET & POST endpoints — use whichever suits your stack
-   Single SMS with custom Sender ID
-   Bulk Same — up to 10,000 numbers per request
-   Bulk Different — up to 20 personalised messages
-   Optional cost preview before bulk send
-   Real-time account balance check
-   Sri Lanka local format (07XXXXXXXX) supported

[Get Your API Key](https://portal.velobotix.app)[View Plans](https://www.velobotix.app/sms-pricing-sri-lanka)

BASE URL: https://portal.velobotix.app/

```
# Send a single SMS via GET request
# All parameters passed in the query string

curl "https://portal.velobotix.app/api.php \
  ?FUN=SEND_SINGLE \
  &with_get=true \
  &un=YOUR_EMAIL \
  &up=YOUR_API_KEY \
  &senderID=VeloBotix \
  &to=0701234567 \
  &msg=Your+OTP+is+483920.+Valid+5+mins."
```

```
# Send a single SMS via POST (JSON body)
# Use Basic Auth: email + API key

curl -X POST \
  "https://portal.velobotix.app/api.php?FUN=SEND_SINGLE" \
  -u "YOUR_EMAIL:YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "senderID": "VeloBotix",
    "to":       "0701234567",
    "msg":      "Your OTP is 483920. Valid for 5 minutes."
  }'
```

```
# Send the SAME message to multiple recipients
# Up to 10,000 numbers per request
# Add "check_cost": true to preview cost first

curl -X POST \
  "https://portal.velobotix.app/api.php?FUN=SEND_BULK_SAME" \
  -u "YOUR_EMAIL:YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "senderID":   "VeloBotix",
    "to":         ["0701234567", "0712345678", "0723456789"],
    "msg":        "Flash Sale! 50% off sitewide today only.",
    "check_cost": true
  }'
```

```
# Send DIFFERENT personalised messages per recipient
# Up to 20 unique messages per request

curl -X POST \
  "https://portal.velobotix.app/api.php?FUN=SEND_BULK_DIFFERENT" \
  -u "YOUR_EMAIL:YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "senderID": "VeloBotix",
    "msg_list": [
      { "to": "0701234567", "msg": "Hi Amal! Order #1234 has shipped." },
      { "to": "0712345678", "msg": "Hi Nimal! Order #1235 is ready." },
      { "to": "0723456789", "msg": "Hi Kamal! Your invoice is due." }
    ]
  }'
```

```
# Check your account balance at any time

curl -X POST \
  "https://portal.velobotix.app/api.php?FUN=CHECK_BALANCE" \
  -u "YOUR_EMAIL:YOUR_API_KEY"

# Response:
# {
#   "balance": "LKR 2,450.00",
#   "status":  "active"
# }
```

200 OK · { "status": "success", "message\_id": "msg\_a1b2c3" }

### Query Parameters — GET Single

All parameters passed in the URL when using `with_get=true`

Parameter

Value

Description

FUN

SEND\_SINGLE

Function name — specifies the action

with\_get

true

Required — enables GET query string mode

un

your@email.com

Your account email address

up

YOUR\_API\_KEY

Your account API key (password)

senderID

VeloBotix

Approved Sender ID for your account

to

0701234567

Recipient's phone number (Sri Lanka format)

msg or text

Your message here

The SMS body content

Simple, Transparent Pricing

## SMS gateway pricing in Sri Lanka

No hidden fees. No monthly lock-ins. Pay only for what you send. Top up anytime, credits never expire.

All plans include Sri Lanka network coverage · Operator direct routes

Connect Everything

## Works With Tools You Already Use

VeloBotix connects natively with 50+ platforms. No coding needed — just connect and automate.

[🛒

### WooCommerce

Order & shipping SMS](https://www.velobotix.app/integrations/woocommerce-sms)[⚡

### Zapier

No-code automation](https://www.velobotix.app/integrations/zapier-sms)[📝

### WordPress

Form notifications](https://www.velobotix.app/integrations/wordpress-sms)[🏪

### Shopify

E-commerce alerts](https://www.velobotix.app/integrations/shopify-sms)[🔶

### HubSpot

CRM workflows](https://www.velobotix.app/integrations/hubspot-sms)

💬

### Slack

Internal alerts

💳

### Stripe

Payment receipts

[📊

### Google Sheets

Data-driven SMS](https://www.velobotix.app/integrations/google-sheets-sms)

[View all integrations →](https://www.velobotix.app/integrations)

Loved by teams across Sri Lanka

## Businesses Across Sri Lanka Trust VeloBotix

From Colombo startups to island-wide enterprises — here's what our customers say.

"VeloBotix API was the easiest integration we've ever done. Our OTP delivery rate jumped from 89% to 99.2% after switching. The support team is incredibly responsive."

KP

Kasun Perera

CEO, OG Style

"We run weekly promotions to 80,000 customers and VeloBotix has never let us down. The portal is intuitive, delivery is near-instant, and the pricing is the best we found."

AS

Amandi Silva

Marketing Head, Supermart Clothing

"As a logistics startup we send delivery alerts around the clock. VeloBotix handles 15,000+ daily messages without a hiccup. Worth every rupee."

RK

Rajesh Kumar

Founder, Deliver Ceylon

"The analytics dashboard gives us exactly what we need. We can see delivery rates, campaign performance, and costs at a glance. Wish we'd switched sooner."

DJ

Dilini Jayasuriya

Product Manager, Xenc Portals

"Enterprise plan with SLA was a must for us. VeloBotix delivered on every promise — uptime, support, and compliance. Our team loves the sub-account management."

MA

Mohamed Azhar

IT Support, Noor & Nooh Properties

"The REST API docs are some of the clearest I have seen. I had a working integration in 20 minutes. Webhooks for delivery receipts are a game-changer."

NR

Nithya Ramasamy

Marketing Head, Female Builders

FAQs

## Frequently Asked Questions

SMS gateway, SMS API, bulk SMS, OTP and Sender ID for Sri Lanka — answered directly. [Talk to sales.](https://www.velobotix.app/contact)

### 

VeloBotix is one of the best SMS gateway providers in Sri Lanka for businesses and developers that need API access, bulk campaigns, OTP delivery and custom Sender ID on local operator routes. It routes over Dialog, Mobitel, Hutch, Airtel and Lanka Bell and offers the lowest price in the island starting from LKR 0.50 per SMS with no monthly commitment. Create a free account and receive LKR 50 trial credit — no card required.

### 

VeloBotix provides reliable SMS API services in Sri Lanka. The REST API supports single SMS, bulk sends, OTP delivery and balance checks over local operator routes via HTTP Basic Auth. Language examples are available for PHP, Node.js, Python, Java, Laravel and JavaScript. Start with a free LKR 50 trial at portal.velobotix.app.

### 

VeloBotix is a top SMS gateway solution for Sri Lankan businesses. It combines a web portal for non-technical users with a REST API for developers, supports Sinhala, Tamil and English, and provides custom Sender ID, delivery reports and LKR credit packs that never expire — all on one account. Pricing starts from LKR 0.50 per SMS with no subscription or contract.

### 

VeloBotix offers affordable bulk SMS in Sri Lanka from LKR 0.50 per SMS — the lowest price in the island with no monthly subscription or contract. Send Sinhala, Tamil or English bulk campaigns from the portal or via the API (SEND\_BULK\_SAME / SEND\_BULK\_DIFFERENT) with CSV upload and custom Sender ID.

### 

With VeloBotix you do not need to choose — both are included on the same account. The web portal lets marketing and operations teams send campaigns and manage Sender ID without code. The REST API gives developers programmatic access for OTP, transactional alerts and application-generated SMS. VeloBotix is purpose-built for Sri Lanka: local operator routes, LKR pricing, Sinhala and Tamil support.

### 

VeloBotix is a Sri Lankan SMS gateway and SMS API platform that enables businesses and developers to send transactional, OTP, bulk and application-generated SMS messages.

### 

An SMS gateway connects your software or campaign tools to mobile networks so you can send and track text messages. VeloBotix is an SMS gateway built for Sri Lanka, with a portal and REST API on the same account.

### 

Compare delivery reliability on local networks, LKR pricing, API documentation, Sender ID support, delivery reports and support. VeloBotix is designed for Sri Lankan businesses and developers — start with the free LKR 50 trial and compare against your current provider.

### 

VeloBotix offers the lowest price SMS gateway in Sri Lanka, starting from LKR 0.50 per SMS with no monthly commitments. There is no monthly subscription, contract or minimum monthly spend: you buy LKR credit packs, pay only for the SMS you send, and credits never expire. Exact per-SMS cost depends on the pack you buy — view current packs on the pricing page or talk to sales for volume rates.

### 

No. VeloBotix has no monthly subscription, no contract and no minimum monthly spend. Top up LKR credits when you need them and pay only for the SMS you send. Unused credits never expire.

### 

Sign up, top up credits, upload a CSV or use SEND\_BULK\_SAME / SEND\_BULK\_DIFFERENT on the API, choose a Sender ID, and send or schedule. Messages can be in Sinhala, Tamil or English.

### 

Yes. English can use GSM-7 when the message has no special characters; Sinhala and Tamil use Unicode. Unicode may use more credits per segment — see the GSM-7 vs Unicode guide.

### 

OTP and transactional traffic use local operator routes (Dialog, Mobitel, Hutch, Airtel, Lanka Bell). Delivery speed depends on the operator and handset. Delivery receipts are available on plans.

### 

Dialog, Mobitel (Sri Lanka Telecom), Hutch, Airtel and Lanka Bell via local routes.

### 

Yes. Custom Sender ID lets recipients see your brand name. Registration is typically completed in 1–2 business days — confirm current process during onboarding.

### 

No. VeloBotix credits never expire. Top up when you need to and use them at your own pace.

### 

Yes. Sign up and receive LKR 50 in free trial credits. No credit card required. Test portal and API before you pay.

### 

See /docs for getting started, authentication, send SMS, bulk SMS, balance and language examples (PHP, Node.js, Python, Java, Laravel, JavaScript).

Free LKR 50 Trial Credit — No Card Required

## Ready to Send Your First SMS?

Create a free account, claim LKR 50 trial credit, and send your first SMS from the portal or API. Built for Sri Lankan businesses and developers.

[Read the API documentation](https://www.velobotix.app/docs)

Setup in 5 minutes · Credits never expire · Cancel anytime