{"uid":"cap_1k-QE00Wgi5SC3VSoA0RG","slug":"stablephone-f57f7b80","name":"StablePhone Make AI Phone Call","description":"Make a call","url":"https://stablephone.dev/api/call","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"from":{"type":"string","pattern":"^\\+1\\d{10}$"},"task":{"type":"string","maxLength":4000,"minLength":1},"model":{"enum":["base","turbo"],"type":"string"},"voice":{"type":"string"},"record":{"type":"boolean"},"metadata":{"type":"object","propertyNames":{"type":"string"},"additionalProperties":{}},"max_duration":{"type":"integer","maximum":30,"minimum":1},"phone_number":{"type":"string","pattern":"^\\+1\\d{10}$"},"first_sentence":{"type":"string","maxLength":500},"voicemail_action":{"enum":["hangup","leave_message","ignore"],"type":"string"},"voicemail_message":{"type":"string","maxLength":500},"wait_for_greeting":{"type":"boolean"},"transfer_phone_number":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.54","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":"$0.54/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.54","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.54","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8C0tC4UOBIpuiFkU34eDS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.54","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Initiates an AI-driven outbound phone call to a specified number with a given task, returning a call_id for tracking","exampleAgentPrompt":"Call +1-415-555-0123 and ask them if they have availability for a haircut tomorrow at 2pm — leave my name as Alex if they ask.","exampleUseCases":null,"resultDescription":"Returns a call_id (string) that can be used to poll for call status and transcript via the status endpoint. The call itself is executed asynchronously by an AI agent.","failureModes":["Invalid or unroutable phone number — call fails to connect","Insufficient USDC balance or x402 payment failure — call not initiated","Malformed task description — AI may not execute intended behavior","Rate limiting or provider-side errors — HTTP 429 or 500","Number blocked or rejected by carrier — call dropped"],"whenToPreferThis":"Use this endpoint when an AI agent needs to autonomously place a real outbound voice call to a phone number with a specific task or instruction. Ideal for automating calls to businesses, scheduling, inquiries, or any scenario requiring voice interaction without human intervention. Prefer over SMS or messaging endpoints when voice is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:35:38.734Z","isFirstParty":false}