abn-entity-lookup

name	abn-entity-lookup
description	Validates Australian Business Numbers (ABN) and retrieves entity details from the Australian Business Register (ABR) for compliance verification

ABN Entity Lookup Skill

Queries the Australian Business Register (ABR) to validate ABNs, retrieve entity names, determine entity types, check GST registration status, and verify active/cancelled status. Essential for contractor deeming analysis, payroll tax compliance, and entity type determination.

When to Use

• Validating a contractor's ABN before classifying payments
• Determining entity type (company, trust, sole trader, partnership) for tax rate selection
• Checking GST registration status for input tax credit eligibility
• Verifying ABN is active (not cancelled) before processing payments
• Populating entity details for new Xero organisation connections
• Cross-referencing Xero contact ABNs for data quality checks

ABR API Configuration

Endpoint

https://abr.business.gov.au/abrxmlsearch/AbrXmlSearch.asmx/ABRSearchByABN

Parameters

Parameter	Required	Description
searchString	Yes	11-digit ABN
includeHistoricalDetails	No	Y or N (default N)
authenticationGuid	Yes	ABR API GUID from env ABR_GUID

Alternative Endpoints

Endpoint	Use Case