Send SMS messages from your app in minutes
A straightforward SMS API built for developers. No complex setup, no surprise bills — just credits, a key, and a clean API.
No credit card required to sign up.
Up and running in four steps
From zero to sending in under ten minutes.
Create your account
Sign up in seconds. No credit card required to get started.
Buy credits
Top up your balance with the credits you need. Pay only for what you send.
Create an API key
Generate a secure API key for your organisation in one click.
Start sending
Make a single HTTP request and your message is on its way.
Everything you need, nothing you don't
Built lean so you can move fast.
Simple REST API
One endpoint, one Bearer token. Integrate in minutes, not days.
Alphanumeric sender IDs
Send from your brand name instead of a random number.
Delivery receipts
Real-time webhook callbacks so you always know if a message was delivered.
Pay as you go
No monthly fees, no contracts. Buy credits and use them whenever you need.
As simple as a curl command
One POST request is all it takes. Pass your API key, a sender ID, a recipient, and a message body. That's it.
- No SDK required
- Works with any language
- JSON responses
- Webhook delivery receipts
$ curl -X POST \
https://api.dinhtech.co.uk/v1/sms \
-H "Authorization: Bearer sk_..." \
-d '{
"sender": "ACME",
"to": "+447700900000",
"message": "Hello!"
}'`
Ready to start sending?
Create your free account, grab your API key, and send your first message today.