{"uid":"cap__3SKBMJ0GFu1Oz_O6he2c","slug":"phone-number-e-164-normalizer-de49aad3","name":"Phone Number E.164 Normalizer","description":"Call when an agent needs a phone number normalized to E.164 when the country is known. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/phone-e164 first.","url":"https://agentshelf.syntexa.ch/v1/phone-e164?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"phone":{"type":"string","examples":["+1 415 555 0134"],"maxLength":64,"minLength":1,"description":"Phone number. A leading + is accepted. National numbers need region."},"region":{"type":"string","pattern":"^[A-Za-z]{2}$","examples":["US"],"description":"ISO 3166-1 alpha-2 region such as US. Required for numbers that do not start with +."}}},"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_D5LPh3ikhQ_ub4Rr3J4qW","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":"Normalizes a phone number string to E.164 international format given a known country region code, with no external network calls.","exampleAgentPrompt":"Normalize the phone number '(415) 555-0123' for the US region into E.164 format so I can store it in my contacts database.","exampleUseCases":[{"title":"CRM phone number standardization","prompt":"I have a list of customer phone numbers from the UK that look like '07911 123456' — can you convert them to E.164 format so I can store them properly?"},{"title":"SMS gateway pre-flight formatting","prompt":"Before I send an SMS, normalize this French phone number '06 12 34 56 78' to E.164 — the region is FR."},{"title":"User registration input cleanup","prompt":"A user just signed up and entered their phone as '(212) 555-0199' — treat it as a US number and convert it to E.164 for me."}],"resultDescription":"Returns the phone number reformatted as an E.164 string (e.g. '+14155550123'), computed locally without any external network lookups. The transformation is deterministic and pure — same input always yields the same output.","failureModes":["Malformed or unparseable phone number string returns an error","Region code not matching a valid ISO 3166-1 alpha-2 code returns a validation error","Phone number too short or too long (outside libphonenumber valid range) returns an error","Missing required 'phone' or 'region' fields returns a 400-style error","Payment not provided or insufficient USDC causes a 402 Payment Required response"],"whenToPreferThis":"Choose this endpoint when you have a phone number string and a known country/region and need a reliable, purely local E.164 normalization without any external API calls, carrier lookups, or LLM inference. It is ideal for data pipeline preprocessing, CRM ingestion, or pre-SMS-send formatting where determinism and low latency matter. Prefer the free sandbox endpoint (/v1/sandbox/phone-e164) for testing before paying $0.002 USDC per call on this production endpoint.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:47:47.110Z","isFirstParty":false,"canonicalSlug":"phone-number-e-164-normalizer-de49aad3"}