{"uid":"cap_pGJNNnt1GtMzGZJ3v9FZp","slug":"klymax402-batch-phone-number-validation-624c1979","name":"klymax402 Batch Phone Number Validation","description":"One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.","url":"https://klymax402.com/api/phone-validation/api/validate/batch","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"phones":{"type":"array","items":{"type":"string"},"description":"Array of phone numbers to validate (max 50)"}}},"responseSchema":{"type":"json","example":{"total":1,"valid":1,"invalid":1,"results":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.035","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":"$0.035/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.035","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.035","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Spc-qKEXlQAFwGfwZBJ49","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.035","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates up to 50 phone numbers at once, returning per-number validity status and summary counts","exampleAgentPrompt":"Can you validate these phone numbers for me and tell me which ones are valid: +14155552671, +442071234567, +33123456789, 555-invalid, and +81312345678?","exampleUseCases":[{"title":"CRM contact list cleanup","prompt":"I have a batch of customer phone numbers I need to clean up before our next campaign — can you validate these 40 numbers and tell me which ones are good and which are invalid? Here's the list: +14155552671, +14085559922, +16505551234 ... (and 37 more)"},{"title":"Lead list pre-screening","prompt":"Before we import these 25 leads into our system, can you check which phone numbers are actually valid? I want to separate the good ones from the bad ones before we waste time on outreach."},{"title":"User registration phone verification","prompt":"We just got a signup batch with phone numbers — can you run validation on all of them and give me a count of how many are valid vs invalid, along with the per-number results?"}],"resultDescription":"Returns a JSON object with total count of numbers submitted, count of valid numbers, count of invalid numbers, and a results array with per-number validation details for each phone number in the batch.","failureModes":["Batch exceeds 50 phone numbers — request will be rejected or truncated","Malformed phone number strings that can't be parsed — marked invalid in results","Empty array input — returns zero counts","Network timeout for large batches — retry recommended","Invalid JSON input format — returns error response"],"whenToPreferThis":"Use this endpoint when you need to validate multiple phone numbers in a single API call (up to 50) to minimize cost and latency compared to calling a single-number validator repeatedly. Ideal for contact list hygiene, lead qualification, CRM cleanup, or any workflow where you have a list of numbers to verify in bulk. At $0.035 per call regardless of batch size, it is far more cost-efficient than per-number validation when processing 2–50 numbers at once.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:43:35.563Z","isFirstParty":false}