{"uid":"cap_KVYDXQ0r39DW3cU9wC-qJ","slug":"toll402-latam-tax-id-validator-cuit-cuil-rut-nit-6e62e1b9","name":"Toll402 LATAM Tax ID Validator (CUIT/CUIL, RUT, NIT)","description":"Offline validator for South American tax IDs: Argentine CUIT/CUIL (11-digit check digit algorithm), Chilean RUT (mod-11 check digit, 0-9 or K), and Colombian NIT (mod-11 verification digit with DIAN weights). Returns whether the check digit matches and a normalized/formatted value.","url":"https://toll402.dev/v1/t/latam_tax_id_validate","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_h1v_4jlJavF3ibdk-g01c","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Offline validation of South American tax IDs — Argentine CUIT/CUIL, Chilean RUT, and Colombian NIT — checking check-digit correctness and returning a normalized formatted value.","exampleAgentPrompt":"Can you check whether the Argentine CUIT 20-12345678-3 is valid — verify the check digit and give me the normalized format?","exampleUseCases":[{"title":"Validating supplier tax ID before payment","prompt":"Before we pay this Argentine supplier, can you verify that their CUIT 27-38492847-4 is valid and correctly formatted?"},{"title":"Chilean RUT check for KYC onboarding","prompt":"We're onboarding a Chilean customer who provided RUT 12.345.678-9 — can you validate whether the check digit is correct?"},{"title":"Colombian NIT verification for invoice compliance","prompt":"This Colombian company invoice has NIT 900123456-7 on it — can you verify if that NIT passes the DIAN check digit validation?"}],"resultDescription":"Returns a JSON object with a boolean 'ok' field indicating whether the check digit is valid, along with a normalized and formatted representation of the provided tax ID.","failureModes":["Malformed or non-numeric input may return a validation error","Unsupported country tax ID types will not be recognized","Missing required 'type' field specifying the ID kind will cause request failure","IDs with incorrect digit count may fail before check-digit computation"],"whenToPreferThis":"Choose this endpoint when you need lightweight, fast, offline check-digit validation for Argentine CUIT/CUIL, Chilean RUT, or Colombian NIT numbers without relying on government registry lookups. Ideal for KYC pipelines, invoice validation, supplier onboarding, or form validation where format correctness is the primary requirement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:54:12.611Z","isFirstParty":false}