{"uid":"cap_UiXzEj12idFMF4jDRvijE","slug":"nanp-phone-number-validator-a2ec9084","name":"NANP Phone Number Validator","description":"Call when an agent needs whether a phone number matches NANP +1 rules. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-phone-nanp first.","url":"https://agentshelf.syntexa.ch/v1/check-phone-nanp?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"description":"JSON value for schema-check SKUs. Omit it on string checks such as email or IBAN."},"value":{"type":"string","examples":["+14155552671"],"maxLength":20000,"minLength":1,"description":"Value to check. The route description names the format: email, phone, IBAN, postal code, VAT, national id, or similar."},"schema":{"description":"JSON Schema document for schema-check SKUs. Omit it on string checks."}}},"responseSchema":null,"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_IBzlQXQUvqCb-1fzTfKw6","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 whether a phone number conforms to North American Numbering Plan (NANP) +1 rules","exampleAgentPrompt":"Can you check whether +1-415-555-0198 is a valid NANP phone number that follows North American +1 numbering rules?","exampleUseCases":[{"title":"Pre-send SMS phone validation","prompt":"Before we send that campaign SMS, check whether +1-212-555-0173 is actually a valid NANP number so we don't waste the send."},{"title":"Form submission phone screening","prompt":"A user just submitted the phone number +1-900-555-0101 in our signup form — does it pass NANP validation rules?"},{"title":"CRM data quality check","prompt":"We imported a contact with phone number +1-123-456-7890 from a CSV — can you verify if it's a legitimate NANP +1 number before we add it to the CRM?"}],"resultDescription":"A validation result indicating whether the submitted phone number string matches NANP +1 rules, likely including a boolean match/valid field and potentially details about why the number fails if it does not conform.","failureModes":["Empty or missing value field returns an error","Phone number string exceeds maxLength of 20000 characters (unlikely in practice but schema-enforced)","Malformed request body returns 400-level error","Non-string or null value may cause validation failure","Payment of $0.002 USDC not provided results in 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when you need a fast, deterministic, no-LLM check that a phone number string conforms to NANP +1 rules — particularly useful for US and Canadian phone number validation in data pipelines, form validation, or CRM hygiene. Prefer the free sandbox endpoint /v1/sandbox/check-phone-nanp for testing. Use this paid endpoint when operating in production and needing confirmed NANP rule adherence without any network lookups or AI inference.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:20.466Z","isFirstParty":false,"canonicalSlug":"nanp-phone-number-validator-a2ec9084"}