ISV Platform

The ATO API platform for Australian software vendors

Integrate STP, BAS, and tax lodgement into your software. Start testing in EVTE immediately. No credit card required.

terminal
// Authenticate
POST /api/v1/auth/token
{
"clientId": "evte_abc123...",
"clientSecret": "your-secret",
"grantType": "client_credentials"
}
// Response — 200 OK
{ "accessToken": "eyJ...", "environment": "EVTE" }
AES-256 encryption at rest
AWS ap-southeast-2 only
99.9% uptime SLA

Everything you need to lodge with the ATO

From testing to production, ATO Connect handles the complexity so you can focus on your software.

EVTE from day one

Real ATO test environment from the moment you register. Test with real diagnostic codes, rejections, and responses.

Two environments, no confusion

EVTE for development and conformance testing. PROD for live lodgements. Separate credentials. No crossover.

Only pay when you go live

Free EVTE access forever. Upgrade to PROD when your integration is ready.

How it works

01

Register

Free account in under 2 minutes. No credit card.

02

Activate a module

Enable STP or other ATO services.

03

Test in EVTE

Real ATO responses, immediately.

04

Go to PROD

When your integration passes conformance.

Ready to integrate?

Join Australian ISVs already building on ATO Connect. Start for free, go live when you are ready.

Create your free account