{"uid":"cap_64iBUB3vrVerYv3O2rblP","slug":"phone-number-check-normalizer-3101ee7b","name":"Phone Number Check & Normalizer","description":"60 paid endpoints with no metering, no API key and no account. Each endpoint has one flat price per call, whatever the size of the request: LLM completions with automatic failover across several large models, read-only EVM tooling over Base, Ethereum, Polygon, Arbitrum and Optimism, and pure crypto utilities that touch no network.","url":"https://flat-rate-llm.kikoribera03.workers.dev/v1/util/phone","method":"POST","headers":{},"bodySchema":{"type":"object","required":["phone"],"properties":{"phone":{"type":"string","description":"The phone number, in any usual notation: +34 612 34 56 78, 0034612345678, (612) 345-678."},"country":{"type":"string","description":"Optional ISO 3166-1 alpha-2 country, e.g. ES. Only used when the number carries no country code."}}},"responseSchema":{"type":"object","properties":{"e164":{"type":"string"},"phone":{"type":"string"},"valid":{"type":"boolean"},"length":{"type":"number"},"telUri":{"type":"string"},"country":{"type":"string"},"countryCode":{"type":"number"},"typesByLength":{"type":"array","items":{"type":"object"}},"nationalNumber":{"type":"string"},"possibleLengths":{"type":"array","items":{"type":"object"}}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_RsnXCqk6ERp4mvDgUNQeI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates and normalizes a phone number to E.164 format, determines its country, and checks national number length — entirely offline using libphonenumber data.","exampleAgentPrompt":"Can you validate the phone number +14155552671 and tell me what country it's from and what the correct E.164 and national formats are?","exampleUseCases":[{"title":"CRM phone field sanitization","prompt":"I'm about to save a customer's phone number '(415) 555-2671' to our database — can you normalize it to E.164 and confirm it's a valid US number?"},{"title":"Identifying ambiguous +1 country","prompt":"This phone number +18684302000 came in with just a +1 prefix — can you tell me whether it's US, Canadian, or Caribbean, and give me the national dialing form?"},{"title":"Form input validation before submission","prompt":"A user typed '07911 123456' as their UK number — can you validate it and give me the properly formatted tel: URI and E.164 version before I submit it?"}],"resultDescription":"Returns the E.164-normalized phone number, the tel: URI, the national dialling form, the resolved country (including disambiguation among the 12 shared +1 calling code countries), and a validity flag based on the country's numbering plan rules. All computed offline — no external API dependency.","failureModes":["Unparseable input (garbage string not recognizable as a phone number) — returns validation failure or error","Ambiguous number without country context where multiple formats match — best-effort country assignment","Numbers from very recently allocated or obscure ranges may not match libphonenumber's embedded data (data freshness lag)","Short codes or premium-rate special numbers may not validate as standard numbers"],"whenToPreferThis":"Choose this endpoint when you need fast, offline phone number validation and normalization with no API key setup and no dependency on external services being online. Ideal for preprocessing user-submitted phone numbers before storage, detecting country of origin including shared +1 Caribbean/Canada/US disambiguation, and obtaining tel: URI or E.164 format. Not suitable if you need live carrier lookup, line type detection (mobile vs landline), or real-time number reachability checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:55:37.425Z","isFirstParty":false}