Frequently asked questions

Clear answers about using InstSMS.

Learn about account setup, sender IDs, business messages, pricing, delivery information, integrations, security, and customer support.

Account setup

Getting started clearly

Business messaging

Sending and delivery

Pricing

Charges and payments

Support

Help when needed

Getting started

Account creation, sender ID purchase, and preparing your business for messaging.

Sender IDs

Using a recognizable business sender name for customer messages.

Messages and campaigns

Preparing recipients, creating messages, and managing campaign delivery.

Delivery and reporting

Understanding message processing and reviewing communication activity.

Pricing and payments

Sender ID purchases, available credit, message charges, and payment activity.

Application integration

Connecting business software and services to InstSMS.

Account and security

Protecting account access and responsible business communication.

Support

Getting help with your account and business messaging service.

Continue with the option that suits your needs.

Create an account, read our public documentation, or contact the InstSMS team for further assistance.

Create an account

Set up your business profile and begin preparing professional messaging.

Get started

Read API documentation

Review public integration guidance and copy-ready request examples.

Open documentation

Contact support

Sign in to start a private support conversation about your account.

Open support

Build better customer communication with InstSMS.

Establish your sender identity and reach customers through campaigns or a secure, developer-ready API.

Secure account accessDeveloper documentationAPI key management
Professional SMS messaging for Sri Lankan businesses