{"uid":"cap_g0vXY1omIdauzeZ1Q22i5","slug":"citiview-phone-number-validation-a3d524da","name":"Citiview Phone Number Validation","description":"Phone number check: validates a number and returns its country, line type (mobile, fixed line, toll free, VoIP...) and E.164, international and national formats, from Google's libphonenumber data.","url":"https://agents.citiviewgroup.com/v1/phone?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"},"country":{"type":"string","description":"2-letter country if the number has no +code"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_FYN9i6T8yVQNfP-YiBING","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 phone number and returns its country, line type (mobile, fixed, VoIP, toll-free, etc.), and formatted representations using Google's libphonenumber data.","exampleAgentPrompt":"Can you check whether +14155552671 is a valid phone number, tell me what country it's from, and whether it's a mobile, landline, VoIP, or toll-free line?","exampleUseCases":[{"title":"Validate user signup phone number","prompt":"A user just signed up with phone number 07911123456 and said they're in the UK — can you validate it and tell me whether it's a real mobile number?"},{"title":"Detect VoIP numbers before calling","prompt":"Before we auto-dial this lead at +18005551234, check if that number is actually a toll-free or VoIP line so we know what to expect."},{"title":"Normalize phone numbers to E.164","prompt":"I have this phone number — 212 555 0100 — and I think it's a US number. Can you validate it and give me the proper E.164 and international formatted versions?"}],"resultDescription":"Returns the phone number's validity status, detected country (ISO code and name), line type (mobile, fixed line, toll-free, VoIP, pager, etc.), and the number formatted in E.164 (e.g. +14155552671), international (e.g. +1 415 555 2671), and national (e.g. (415) 555-2671) formats.","failureModes":["Invalid or unparseable number returns an error or invalid flag","Missing country code without a fallback country hint may cause parsing failure","Ambiguous short numbers may not resolve correctly without a country hint","Non-numeric or malformed strings in the number field will fail validation"],"whenToPreferThis":"Choose this endpoint when you need reliable phone number validation, line type classification, and multi-format normalization powered by Google's libphonenumber — particularly when you need to distinguish mobile from VoIP/toll-free lines or normalize international numbers to E.164 for downstream use. Prefer this over regex-only validators or generic string parsers for production-grade telecom data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:48:39.803Z","isFirstParty":false,"canonicalSlug":"citiview-phone-number-validation-a3d524da"}