{"uid":"cap_6N5S6Oy8u3KLxPNLqOOqO","slug":"agentstall-za-south-african-tax-number-validator-5de22eeb","name":"AgentStall ZA – South African Tax Number Validator","description":"South African tax number validation: checks a 10-digit SARS VAT registration number or income tax reference number (format and modulus-10 check digit) and says which type it is. Format check only, not a SARS registration lookup; nothing is stored. Useful for invoices, supplier onboarding and form validation.","url":"https://agentstall.nilesh-b54.workers.dev/v1/validate-tax-number?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":["number"],"properties":{"number":{"type":"string","description":"VAT or income tax number; spaces, dashes and slashes are ignored"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"type":"income tax reference number","valid":true,"normalized":"0001339050"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Lc3twI1jftUYmQH72_ZZ-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates a South African VAT or income tax reference number and returns the type and normalized form","exampleAgentPrompt":"Can you check whether 4000123456 is a valid South African income tax reference number and tell me its normalized form?","exampleUseCases":[{"title":"Supplier VAT verification before payment","prompt":"Before we pay this South African supplier, can you check whether their VAT number 4123456789 is actually valid according to SARS?"},{"title":"Onboarding form tax number check","prompt":"A new client filled in their income tax reference number as 001-133-9050 — can you validate it and give me the clean normalized version?"},{"title":"Automated compliance pre-screening","prompt":"We're about to submit a tender and need to confirm our company's SARS tax number 0001339050 is valid and correctly formatted before we include it in the documents."}],"resultDescription":"A JSON object containing: 'type' (e.g. 'income tax reference number' or 'VAT'), 'valid' (boolean indicating whether the number passes SARS format rules), and 'normalized' (the canonical digit-only form of the number, e.g. '0001339050'). Spaces, dashes, and slashes in the input are stripped before validation.","failureModes":["Missing 'number' query parameter returns a 400 or error response","Unpaid call (no x402 payment header) returns HTTP 402 with PAYMENT-REQUIRED header","Malformed or unrecognizable number format returns valid:false with no normalized form","Network timeout on the Cloudflare Worker edge node"],"whenToPreferThis":"Use this endpoint when you specifically need to validate or normalize South African tax numbers (SARS VAT or income tax reference numbers) as part of a ZA-focused compliance, onboarding, or procurement workflow. It is purpose-built for the South African tax number format rules, unlike generic regex checks or international tax validators that don't understand SARS-specific formats. Prefer it over manual checks when automating supplier onboarding, tender submissions, or invoice processing in South Africa.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T00:36:05.261Z","isFirstParty":false,"canonicalSlug":"agentstall-za-south-african-tax-number-validator-5de22eeb"}