{"name":"Aussie Business Check","description":"Call before paying an Australian invoice or onboarding an Australian supplier. Give an ABN (and optionally the name on the invoice) to check the business is real: active or cancelled, GST registered, legal and trading names, entity type, state, age, and whether the invoice name matches the ABN. Returns a verdict (ok/caution/warning) with plain-English scam flags. Invalid ABNs are rejected free","price_per_check":"$0.03","payment":"x402 (USDC)","network":"eip155:8453","how_to_use":"GET https://aussie-business-check-production.up.railway.app/check?abn=51824753556&name=Australian%20Taxation%20Office&gst_charged=true","inputs":{"abn":{"type":"string","description":"Australian Business Number: 11 digits, spaces allowed. Checked for free before any payment.","pattern":"^[0-9 ]{11,14}$"},"name":{"type":"string","description":"Optional. The business name shown on the invoice, to check it matches the ABN.","maxLength":200},"gst_charged":{"type":"string","enum":["true","false"],"description":"Optional. 'true' if the invoice includes GST, to check the business may charge it."}},"flags":{"ABN_NOT_FOUND":"high: valid-looking ABN that is not on the register","ABN_CANCELLED":"high: the ABN has been cancelled","NAME_DOES_NOT_MATCH":"high: the invoice name does not match the business registered to the ABN","GST_CHARGED_BUT_NOT_REGISTERED":"high: GST charged by a business not registered for GST","RECENTLY_REGISTERED":"medium: ABN active for under 90 days","NAME_PARTLY_MATCHES":"medium: the invoice name only partly matches","REGISTERED_UNDER_A_YEAR":"low: ABN active for under a year","NOT_GST_REGISTERED":"info: not registered for GST"},"errors":{"400":"INVALID_ABN: not 11 digits or fails the ABN checksum. No payment is requested.","402":"Payment required: pay with x402 and retry.","503":"DATA_LOADING: the register is loading. Retry later. No payment is requested."},"docs":{"openapi":"https://aussie-business-check-production.up.railway.app/openapi.json","llms_txt":"https://aussie-business-check-production.up.railway.app/llms.txt"},"terms":"Results must not be republished as a dataset or used for direct marketing.","data_ready":true,"data_as_of":"2026-10-28","attribution":"Contains data from the ABN Bulk Extract, (c) Commonwealth of Australia (Australian Business Register), licensed under CC BY 3.0 AU (https://creativecommons.org/licenses/by/3.0/au/). This service is independent and not endorsed by the Australian Business Register or the ATO. Information is provided as is, with no warranty. Not to be used for direct marketing."}