{"uid":"cap_rhIoud6JQhvKP9SYXLG2Z","slug":"blockrun-phone-fraud-lookup-6cbfee70","name":"BlockRun Phone Fraud Lookup","description":"Pay for the outcome. One endpoint for every model, tool and data source an agent needs — each call priced before it runs, at the best value per dollar. 103 models and 100 data and tool APIs.","url":"https://blockrun.ai/api/v1/phone/lookup/fraud","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"phoneNumber":{"type":"string","description":"Phone number to look up in E.164 format."}}},"responseSchema":null,"example":{"request":{"phoneNumber":"+14155552671"},"response":{"url":"https://lookups.twilio.com/v2/PhoneNumbers/+14155552671","valid":true,"pre_fill":null,"sim_swap":{"error_code":60606,"carrier_name":null,"last_sim_swap":null,"mobile_country_code":null,"mobile_network_code":null},"caller_name":null,"line_status":null,"country_code":"US","phone_number":"+14155552671","identity_match":null,"call_forwarding":{"error_code":60607,"call_forwarding_enabled":null},"national_format":"(415) 555-2671","sms_pumping_risk":null,"reassigned_number":null,"validation_errors":[],"calling_country_code":"1","line_type_intelligence":{"type":null,"error_code":60600,"carrier_name":null,"mobile_country_code":null,"mobile_network_code":null},"phone_number_quality_score":null}},"exampleRequest":{"phoneNumber":"+14155552671"},"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.051001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.051001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XFmoBrO3rxpATL-HVg_re","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.051001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks a phone number for fraud risk signals, returning a fraud assessment for the given E.164-formatted phone number.","exampleAgentPrompt":"Can you check whether the phone number +14155552671 is associated with fraud or scam activity?","exampleUseCases":[{"title":"Verify user phone before account creation","prompt":"A new user just signed up with the phone number +12125551234. Can you quickly check if that number has any fraud red flags before we let them create an account?"},{"title":"Flag suspicious activity during payment","prompt":"Someone's trying to make a large transaction from this account using the phone number +33612345678. Can you assess whether that phone number looks fraudulent or risky?"},{"title":"Screen customer contacts for security","prompt":"We've got a batch of customer phone numbers from recent support tickets. Can you scan through them and let me know which ones have high fraud risk signals so we can investigate further?"}],"resultDescription":"A fraud assessment for the provided phone number, likely including a risk score or flag, fraud indicators, and related signals about the number's legitimacy or association with fraudulent activity.","failureModes":["Invalid phone number format (not E.164) — returns validation error","Phone number not found in fraud database — may return no-data or low-confidence result","Payment failure (insufficient USDC balance) — returns 402 Payment Required","Rate limiting or quota exceeded — returns 429 Too Many Requests","Upstream data provider unavailable — returns 503 or timeout"],"whenToPreferThis":"Use this endpoint when you need to assess fraud risk for a specific phone number during user onboarding, transaction verification, or suspicious activity review. Prefer this over generic phone validation services when fraud scoring with pay-per-call USDC settlement (no API key required) is acceptable, especially in agentic workflows on Base or Solana.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:56:13.970Z","isFirstParty":false}