Send & Receive SMS via Rest API in Australia
Kudosity's REST API gives development teams a practical way to embed SMS and MMS into apps, platforms, and production workflows. Built for Australian data requirements, ISO 27001 certified, and connected directly to Tier 1 carriers. This is an SMS API your team can build into real operational use from day one.
Get started with a few lines of code
Send, receive, and retrieve data with our documented libraries. With our APIs, sending an SMS or MMS takes just a few minutes.
Send SMS
curl --request POST \
--url https://api.transmitsms.com/send-sms.json \
--header 'accept: application/json' \
--header 'content-type: application/x-www-form-urlencoded'Receive SMS Responses
curl --request POST \
--url https://api.transmitsms.com/get-sms-responses.json \
--header 'accept: application/json' \
--header 'content-type: application/x-www-form-urlencoded'Format Number
curl --request POST \
--url https://api.transmitsms.com/format-number.json \
--header 'accept: application/json' \
--header 'content-type: application/x-www-form-urlencoded'Lease Number
curl --request POST \
--url https://api.transmitsms.com/lease-number.json \
--header 'accept: application/json' \
--header 'content-type: application/x-www-form-urlencoded'Opt Out/Unsubscribe Contact
curl --request POST \
--url https://api.transmitsms.com/optout-list-member.json \
--header 'accept: application/json' \
--header 'content-type: application/x-www-form-urlencoded'Get Message/Campaign Report
curl --request POST \
--url https://api.transmitsms.com/get-sms-stats.json \
--header 'accept: application/json' \
--header 'content-type: application/x-www-form-urlencoded'Add Contact to List
curl --request POST \
--url https://api.transmitsms.com/add-to-list.json \
--header 'accept: application/json' \
--header 'content-type: application/x-www-form-urlencoded'SMS API features to simplify developer integration
Kudosity’s platform is built to support developers from the first implementation step, with resources designed around real build workflows rather than generic product copy. For teams evaluating Australian SMS API integration, that means quicker testing, fewer unknowns, and more practical support during rollout.
Detailed API documentation
Reference docs, quick-start guides, and code samples in Python, JavaScript, PHP and more. Everything your team needs to move from first call to production without unnecessary back and forth.
Sandbox environment
Test your integration before anything goes near production. Sandbox credentials are available from day one so teams can validate against real Australian network conditions without risk.
Webhooks and delivery reporting
Real-time delivery reports, reply notifications, and SMS triggers via webhooks. Your team sees what happened after send, not just that the message left the platform.
Two-way messaging via virtual mobile numbers
Assign dedicated virtual mobile numbers to enable reply handling, conversational flows, and inbound message routing directly within your application or workflow.
Developer portal
A single environment for API keys, usage reporting, documentation, and account management. Built around real development workflows, not a generic product dashboard.
MCP compatibility
Send messages directly from AI agents built in Claude, Cursor, or Gemini via the Kudosity API. Built for teams embedding messaging into LLM-powered workflows and operational AI systems.
Flexible billing for every business model
Kudosity offers custom pricing for global SMS and international messaging.
Enterprise pricing from 4.9c per sms based on volume and contractual terms.
Reliable SMS API with guaranteed delivery and scalability
Your business communications deserve infrastructure that performs under pressure.
Kudosity’s SMS text API ensures your messages are delivered fast, securely, and with complete visibility.
Enterprise-Grade Speed & Uptime
Support high-volume messaging with infrastructure built for production load, including fast delivery paths, 99.9% uptime, and the operational stability teams need.
Scalable Bulk SMS API Messaging
Kudosity offers flexible pricing based on volume, making it suitable for bulk campaigns, transactional traffic, and ongoing customer communication without forcing a platform change.
100% Carrier Delivery Guarantee
Kudosity uses direct Tier 1 carrier connections only. No grey routes, no aggregator dependencies. Messages reach the recipient's carrier quickly, with delivery reports your team can act on.
Easy SMS integration with
your existing Tech Stack
Kudosity works with the systems your team already uses, with 15+ direct integrations across platforms such as Salesforce, Oracle, and Zoho, plus thousands more through Zapier.
For teams that need more control, the API also makes it easier to build custom messaging directly into your own applications and internal workflows. That gives businesses a more practical path to Australian SMS API integration across sales, service, operations, ecommerce, and customer communications without relying on disconnected tools.
SMS API use cases
Kudosity’s SMS API service supports a wide range of use cases to fit any workflow or communication goal:
Appointment Reminders
Delivery & Order Updates
Customer Surveys & Feedback
2FA & Security Alerts
Promotional Campaigns
AI agent-triggered messaging
NEW: MCP Server for AI Assistants
The future of API development is here. Connect your AI coding assistant directly to Kudosity.
Supercharge your AI development workflow
The Kudosity MCP (Model Context Protocol) server enables AI-powered development tools like Cursor, Windsurf, and Claude Desktop to directly access Kudosity APIs. Build messaging integrations faster with AI assistance that understands your API.
API Discovery & Exploration
Discover available messaging APIs (SMS, RCS, WhatsApp)
Code Generation
Generate code snippets in curl, JavaScript, Python, and more
Live API Execution
Run real API calls and send test messages from your IDE
Documentation Access
Retrieve schemas, authentication requirements, and docs instantly
Why choose Kudosity's SMS API solution?
If you are looking for a REST API SMS Australia teams can trust in production, the value is not just in the endpoint. It is in the infrastructure, support model, and data handling behind it.
Kudosity combines performance, security, and operational fit for businesses that need messaging to work inside real systems.
100% Australian owned
Not a global platform with a local office. Kudosity is Australian owned and operated, built with Australian business and compliance requirements in mind from day one.
Australian data residency
Data is processed and stored locally. Built to support organisations with obligations under the Australian Privacy Act 1988 and public sector data handling requirements.
ISO 27001 and SOC 2 Type II certified
The security credentials enterprise and government buyers need to see before messaging infrastructure goes to internal review. Independently audited and maintained.
24/7 Australian-based support
Technical support in your time zone, every day of the year. Available during implementation and when something needs attention in a live environment without delay.
Get started with Kudosity SMS API today
Build messaging into the systems your team already uses, with a platform designed for developers, local business requirements, and long-term scalability.
Whether you need a dependable messaging API Australia teams can roll out quickly, or a more structured Australian SMS API integration across multiple systems, Kudosity gives you a practical way to get there.
What our customers say
Within the first 90 minutes, there was a 4x increase in website visitors and sales increased by 59%. What's even more exciting is the significant growth in first-time customers and returning customers.
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FAQs
How do I get started with Kudosity's SMS API?
To get started with our SMS REST API, sign up for a trial account. Once registered, navigate to settings for your API key and secret. Using these credentials, you can integrate SMS and MMS into your applications. Follow the documentation on our Developer Portal.
What are the common use cases for Kudosity's APIs?
Customers often use our API to send transactional messages, marketing campaigns, appointment reminders, alerts and notifications, customer support, and Two-Way communications. Our APIs are versatile and can be used by various industries to enhance customer engagement and streamline communications.
How do I handle message delivery and error responses?
Our APIs provide delivery reports and error codes to help you track the status of your messages. Delivery reports indicate whether a message was successfully delivered to the recipient’s phone. Error codes help diagnose issues, such as invalid phone numbers or network problems. Our API documentation will detail how to handle these responses and implement error handling in your application.
How do I ensure compliance with regulations when using Kudosity’s APIs?
Businesses should make sure they have the right consent to send messages, provide clear opt-out options where required, and maintain accurate preference records. For Australian organisations, API data handling and messaging workflows should also be reviewed in the context of the Australian Privacy Act 1988 and any relevant industry obligations.
Can I send messages internationally with Kudosity's APIs?
Yes, our SMS APIs support international messaging, allowing you to send SMS messages to recipients in different countries. However, you need to be aware of international regulations and potential differences in costs.
You can talk to one of our experts to confirm our supported countries, requirements and pricing.
Over +15 direct integrations available
Offering direct integrations with platforms like Salesforce, Oracle, and Zoho and access 7,000+ Zapier integrations, connecting with tools like Facebook, Shopify, MailChimp, and more.