{"uid":"cap_ND-MHB-ebcGCoDQHHiCHv","slug":"percallapi-carrier-lookup-fab23722","name":"PerCallAPI Carrier Lookup","description":"Inspect telecom carrier, network codes, and line type (mobile vs. landline vs. VoIP burner fraud detection) via Twilio. Provide ?phone=+14157012311.","url":"https://percallapi.com/carrier-lookup?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema"},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zZSCJahrFOHCwSEeI332z","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up telecom carrier details, network codes, and line type (mobile, landline, VoIP, or burner) for a phone number via Twilio for fraud detection and identity verification.","exampleAgentPrompt":"Can you check what carrier and line type this number is registered to — is +14157012311 a real mobile phone, a landline, or a VoIP/burner number?","exampleUseCases":[{"title":"Fraud screening before user signup","prompt":"Before we activate this new account, can you check if the phone number +12125550198 is a real mobile line or a VoIP/burner number? I want to flag it if it looks like a disposable number."},{"title":"SMS deliverability check for marketing campaign","prompt":"We're about to send an SMS campaign — can you look up whether +14089991234 is a mobile number or a landline so we know if SMS will even reach them?"},{"title":"Telecom carrier identification for routing","prompt":"What carrier and network codes are associated with +447700900123? I need to know the operator so I can route the call correctly."}],"resultDescription":"Returns the telecom carrier name, mobile network codes (MNC/MCC), and line type classification (mobile, landline, VoIP, or burner) for the queried phone number, powered by Twilio's Lookup API. Useful for fraud risk assessment and communication routing decisions.","failureModes":["Invalid or malformed phone number format — returns an error indicating bad input","Phone number not found in Twilio's database — may return null or empty carrier fields","Non-E.164 formatted number (missing + prefix or country code) causes lookup failure","Rate limiting or upstream Twilio API errors causing temporary unavailability","Payment not processed — x402 payment required before response is returned"],"whenToPreferThis":"Prefer this endpoint when you need quick, pay-per-call carrier and line-type intelligence without a monthly subscription. Ideal for fraud detection workflows needing to distinguish real mobile numbers from VoIP or burner lines, or for SMS campaign pre-screening. Best when you need Twilio-grade carrier data on demand with micropayment billing via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:30:06.619Z","isFirstParty":false,"canonicalSlug":"percallapi-carrier-lookup-fab23722"}