{"uid":"cap_tETlAPQ9aluoTQK9KQQ8T","slug":"toll402-ein-validator-ece6fe6a","name":"Toll402 EIN Validator","description":"The OpenRouter for AI-agent tools: one gateway, one wallet, every capability. Built-in tools, forged tools, a global verified business directory and 2,000+ aggregated x402 services, all paid per call in USDC via x402 (HTTP 402). No signup, no API key.","url":"https://toll402.dev/v1/t/ein_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","required":["ein"],"properties":{"ein":{"type":"string","description":"EIN string, with or without hyphen, e.g. 12-3456789 or 123456789"}},"additionalProperties":false},"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":{"type":"json","example":{"ok":true}},"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_E7v0HEoeXyBj2Kpb_Ait7","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":"Validates a US Employer Identification Number (EIN) using offline checksum logic and returns whether it is structurally valid","exampleAgentPrompt":"Can you check if this EIN is valid: 12-3456789?","exampleUseCases":[{"title":"Vendor onboarding EIN check","prompt":"Before we add this new vendor to our system, can you validate their EIN 27-1234567 to make sure it's properly formatted?"},{"title":"Tax form data quality check","prompt":"I have an EIN from a contractor — 123456789 — can you verify it's a valid employer identification number before I file the 1099?"},{"title":"Business registry validation","prompt":"We're building a database of US companies and need to check whether the EIN 98-7654321 is structurally valid — can you run that check?"}],"resultDescription":"Returns a JSON object with an 'ok' boolean indicating whether the EIN is structurally valid. A true value means the EIN passes format and checksum validation; false means it is invalid.","failureModes":["Malformed input (non-numeric characters beyond the hyphen) may return ok: false","EINs that are correctly formatted but not actually assigned by the IRS will still return ok: true — this is structural validation only, not IRS database lookup","Missing required 'ein' field in body returns an error","Network or payment failure via x402 results in no response"],"whenToPreferThis":"Use this endpoint when you need a fast, cheap, offline structural validation of a US EIN without requiring IRS database access. Ideal for pre-submission data quality checks, vendor onboarding pipelines, and form validation flows where a real IRS lookup is overkill or unavailable. At $0.001 per call with no signup required, it is well-suited for high-volume batch validation within an agent workflow.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:56:39.827Z","isFirstParty":false}