Integration · Mass Data Ltd

SMS, Voice & Payment APIs for Bangladesh: Integrate in Days

এসএমএস, ভয়েস ও পেমেন্ট এপিআই ইন্টিগ্রেশন

Plug messaging, voice, payments and data into your website, app or ERP with clean REST APIs and clear documentation.

StyleREST APIs
CoversSMS, voice, payments, data
DocsFull documentation
EventsWebhooks
APIMass Data Ltd
Overview

What is API.

Our APIs let developers add messaging and voice to any system. Send an OTP when a customer signs in, a delivery update when an order ships, or trigger a voice alert from your own software.

One client connected its whole tech stack in about two weeks. Clear documentation, webhooks and a support team that answers quickly keep integration short.

Best for
  • Fintech and banking apps
  • E-commerce platforms
  • ERP and CRM vendors
  • Mobile app developers
  • Software houses and agencies
Style
REST APIs
Covers
SMS, voice, payments, data
Docs
Full documentation
Events
Webhooks
Capabilities

Key features.

What you get with API Services.

SMS API

Send OTPs, alerts and campaigns from your own code.

Voice API

Start voice messages and alerts automatically.

Payment and data APIs

Connect payment flows and business data to the same integration.

Webhooks

Get notified the moment a message status changes, with no polling.

Full documentation

Clear guides and examples so a developer can start the same day.

Secure and reliable

API keys, encryption, access control and a 99.9% uptime SLA.

Good to know

What a request looks like.

A simple REST call is all it takes to send a message.

POST /v1/sms/send
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json

{ "to": "8801XXXXXXXXX",
  "message": "Your OTP is 482915",
  "sender": "YourBrand" }

200 OK  { "status": "queued" }

Illustrative example only. Real endpoints, fields and keys are in the documentation we share when you sign up.

How it works

Four simple steps.

From first call to going live.

  1. Request access

    Tell us what you want to build and we set up your account.

  2. Read the docs

    Get the documentation and example requests.

  3. Integrate and test

    Connect your system and test with real messages.

  4. Go live

    Switch on production with our team on call.

Real-world applications

Use cases.

How teams put API to work.

OTP and login verification

Send one-time codes that arrive in seconds.

Order and delivery notifications

Tell customers about every step of an order.

Payment confirmations

Confirm each transaction by message the moment it clears.

ERP and CRM triggers

Send messages automatically when a record changes.

Mobile app notifications

Reach users who have not opened your app today.

Voice alerts from your software

Escalate urgent events with an automated call.

Quick answers

Frequently asked.

About API Services.

What can I do with the API?

You can send SMS, trigger voice messages, connect payments and work with business data from your own software.

Is documentation provided?

Yes. You get full documentation with examples when your account is ready.

Which programming languages can I use?

Any stack that can make an HTTP request, including PHP, Python, Node.js, Java, .NET and mobile apps.

How long does integration take?

One client integrated its whole stack in about two weeks. Simple SMS integrations can be much quicker.

Do you support webhooks?

Yes. Webhooks tell your system when a message status changes.

Is the API secure?

Requests use API keys, data is encrypted and access is controlled. The platform runs under a 99.9% uptime SLA.

Ready to start with API?.

Get a free demo and a tailored quote. Call 09647 888 888 or message us on WhatsApp.

Free Demo নিন
Get in touch

Contact us.

Ready to grow your business? Tell us what you need. A free demo is available for every product.

  • Emailinfo@massdataltd.com
  • Phone+880 1303 316 203
  • Hotline (24/7)09647 888 888
  • OfficeSector 10, Uttara, Dhaka 1344, Bangladesh
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