# ABN Lookup JSON Services

**Canonical:** https://apis.io/apis/australian-business-register/abn-lookup-json-services/  
**Provider:** Australian Business Register — https://apis.io/providers/australian-business-register/  
**Base URL:** https://abr.business.gov.au/json/  
**Documentation:** https://abr.business.gov.au/json/

ABN Lookup JSON Services is one of 3 APIs that [Australian Business Register](https://apis.io/providers/australian-business-register/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include ABN and JSON. The published artifact set on APIs.io includes API documentation.

JSONP services for ABN Lookup (AbnDetails.aspx, AcnDetails.aspx, MatchingNames.aspx) that take a callback and the registered user's GUID. No machine-readable contract is published for the JSON services.

## Machine-readable artifacts (1)

- **Documentation** — https://abr.business.gov.au/json/

## Other Australian Business Register APIs (2)

- [ABN Lookup XML Search Web Service (ABRXMLSearch)](https://apis.io/apis/australian-business-register/abn-lookup-xml-search-web-service/)
- [ABN Lookup XML Search Web Service, RPC (ABRXMLSearchRPC)](https://apis.io/apis/australian-business-register/abn-lookup-xml-search-rpc-web-service/)

## Tags

ABN, JSON

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/australian-business-register/abn-lookup-json-services/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/australian-business-register/.