{"uid":"cap_K4WnQHeTMS1nYvutVVPtZ","slug":"ausref-tax-id-validator-australasia-0c70bc1a","name":"Ausref Tax ID Validator — Australasia","description":"Tax-ID / VAT-number validation for Australasian countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup","url":"https://ausref.dev/v1/taxid/validate?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["country","id"],"properties":{"id":{"type":"string","description":"The tax ID / VAT number as written (spaces, dots, dashes and the VAT country prefix are accepted)"},"country":{"type":"string","description":"ISO 3166-1 alpha-2 country code on this brand (see GET /v1/taxid/coverage)"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1R-BVrK9BEvHP7yARNM6R","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates tax IDs and VAT numbers for Australasian countries using official check-digit algorithms, returning validity status, normalised form, ID type, and failure reason","exampleAgentPrompt":"Can you validate this Australian Business Number for me — 51 824 753 556 — and tell me whether it's valid, what type it is, and if it's wrong, why it failed?","exampleUseCases":[{"title":"Supplier onboarding ABN check","prompt":"Before I add this new Australian supplier to our system, check whether their ABN '83 914 571 673' is valid and give me its normalised form."},{"title":"NZ IRD number verification","prompt":"I have a New Zealand contractor claiming their IRD number is 49-091-850 — can you verify it's a valid NZ tax ID and tell me if the check digit passes?"},{"title":"Bulk invoice compliance for Fiji","prompt":"We're about to send an invoice to a Fijian business and they gave us TIN 'FJ123456789' — validate it against Fiji's official rules and let me know if it's legitimate or why it might fail."}],"resultDescription":"Returns a JSON object indicating whether the tax ID is valid or invalid, the normalised (canonical) form of the ID, the detected ID type (e.g. ABN, TFN, IRD), and if invalid, a human-readable reason for failure citing the specific rule or check-digit algorithm that was violated. All rules are traceable to official government sources with dates.","failureModes":["Unsupported country code — country not in Ausref coverage list returns an error or empty result","Malformed query parameters — missing 'country' or 'id' param returns 400","Ambiguous ID format that cannot be parsed returns invalid with a parse-failure reason","Network timeout or service unavailability returns 5xx","Payment not provided or insufficient balance returns 402"],"whenToPreferThis":"Choose this endpoint when you need algorithmic tax ID validation for Australasian countries (Australia, New Zealand, Fiji, Papua New Guinea, and others in Oceania) without requiring a live registry lookup. Ideal for onboarding flows, invoice validation, and compliance checks where you need the official check-digit result and a cited failure reason. Prefer over generic international VAT validators when the country is in Oceania and you need source-cited, jurisdiction-specific rules.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:34:34.745Z","isFirstParty":false,"canonicalSlug":"ausref-tax-id-validator-australasia-0c70bc1a"}