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Activity Statement APIs for accounting software

Bring Activity Statement discovery, validation and lodgment into your accounting product without directly implementing the underlying ATO SBR2 transport stack.

The Intaxio Activity Statement API is being designed for accounting platforms that want to deliver Australian Activity Statement workflows inside their own product while using Intaxio for the supported regulatory and ATO integration layer.

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One API layer across the Activity Statement workflow

Activity Statement functionality involves more than sending a completed form to the ATO.

1

List & Prefill

Identify supported Activity Statement obligations available through relevant ATO services.

2

Validate

Perform supported local validation and applicable ATO pre-lodgment validation.

3

Lodge

Submit supported Activity Statements through the Intaxio ATO gateway.

4

Track

Retrieve supported status, result and receipt information following submission.

Intaxio handles the regulatory integration. You own the accounting experience.

Intaxio

Activity Statement APIs

Supported API, validation, transformation, gateway, lodgment, response and receipt handling.

Your software

Accounting data & workflow

Your application maintains the accounting information and business context required to populate the Activity Statement.

Your customer

Accounting experience

Your application controls review, validation resolution, declarations and final lodgment workflow.

Target market

Built for accounting platforms

The Activity Statement API is infrastructure for software providers. It is not intended to replace accounting software or operate as a standalone BAS preparation product.

The target use case is an accounting platform that already maintains the accounting data required for Activity Statement preparation but does not want to build and operate its own connection to the applicable ATO services.

Your platform owns the customer relationship and accounting experience. Intaxio maintains the supported integration layer.

Activity Statement 2025

Designed around Activity Statement 2025

The initial service is designed around the ATO's Activity Statement 2025 service.

Discovery & access

Activity Statement discovery plus test and production API access.

Validation & lodgment

Payload preparation, local validation, pre-lodgment validation and lodgment.

Gateway & outcomes

ATO gateway handling, receipt capture, status and result retrieval.

Exact production scope, availability and customer onboarding requirements will be confirmed as the product progresses toward general availability.

Validation before lodgment

A good Activity Statement workflow should identify problems before the customer believes a lodgment has been completed.

Prepare

Assemble Activity Statement values in your accounting product.

Validate locally

Identify supported format and data issues before sending to the ATO.

Pre-lodge

Obtain supported ATO validation outcomes before final submission.

Lodge

Proceed with final lodgment once the workflow is ready.

Data handling

Designed for sensitive tax workflows

Activity Statement data can contain commercially sensitive tax and business information. The product is designed to operate using Australian-hosted SaaS infrastructure and defined data-handling practices.

Current product model

  • Submitted Activity Statement payloads retained for 7 days
  • ATO receipt information retained for 12 months
  • Access controlled through applicable customer credentials and platform architecture
  • Production and non-production workflows separated

Customer responsibilities remain clear

The API does not replace the accounting logic or professional responsibilities inside the customer product.

Integration & mapping

Integrate your application and map accounting data to the supported API contract.

Authority & declarations

Ensure users have authority to access or lodge and manage required confirmations and consent.

Correctness & presentation

Ensure submitted values are correct and present validation and lodgment outcomes inside your product.

Built for enterprise integration

Product evaluation can cover more than the endpoint itself, allowing product and engineering evaluation to run alongside security and procurement due diligence.

Architecture

Defined SaaS service boundary.

Australian hosting

Australian-hosted service model.

Environments

Test and production workflows.

Data handling

Defined retention and responsibilities.

Procurement

Security, service and contractual documentation.

Explore Enterprise & Procurement →

Build vs integrate

Why use an API rather than build the ATO integration directly?

Direct ATO integration introduces an additional technical and operational domain that needs to be maintained alongside the accounting product itself.

  • ATO service specifications
  • Message transformation
  • Validation rules
  • Gateway connectivity
  • Response handling
  • Security requirements
  • Production monitoring
  • Ongoing regulatory maintenance

Discuss early access

We are interested in speaking with accounting software providers planning new or expanded Australian Activity Statement capability.

Discuss early access Discuss early access