{"uid":"cap_wZ2ul7JAWhyHqYacahhM9","slug":"agentline-voice-call-api-1a0f4d23","name":"AgentLine Voice Call API","description":"Get a real phone number for your AI agent in under 10 minutes. Works with OpenClaw, Hermes Agent, and any LLM. Outbound calls, SMS, and inbound voice — one API. No telecom experience needed.","url":"https://api.agentline.cloud/v1/x402/calls","method":"POST","headers":{},"bodySchema":{"type":"object","required":["to_number","from_number"],"properties":{"to_number":{"type":"string","description":"Destination phone number in E.164 format"},"from_number":{"type":"string","description":"Your wallet-owned number (E.164, e.g. '+12125551234')"}}},"responseSchema":{"type":"object","properties":{"id":{"type":"string"},"status":{"type":"string"},"tx_hash":{"type":"string"},"to_number":{"type":"string"},"from_number":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.5","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":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y5Ne8TGYcHpSZ9dUnkvEQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Initiates an outbound phone call from a wallet-owned AI agent number to a destination number, billed per call via x402 crypto payment","exampleAgentPrompt":"Call +14155550199 from my AgentLine number +12125551234 and handle the conversation.","exampleUseCases":[{"title":"AI agent customer outreach call","prompt":"Use my AgentLine number +12125551234 to call +14085559876 and deliver the appointment reminder."},{"title":"Automated support follow-up call","prompt":"Have my AI agent call the customer at +13105554321 from +12125551234 to follow up on their open support ticket."},{"title":"AI-driven sales call initiation","prompt":"Dial +16505558765 from my agent's number +12125551234 to start the sales outreach call."}],"resultDescription":"Returns a call session object including call ID and status indicating whether the outbound call was successfully initiated between the from_number and to_number.","failureModes":["Invalid E.164 format for to_number or from_number returns validation error","Insufficient USDC balance or x402 payment failure prevents call initiation","from_number not associated with the caller's wallet returns authorization error","Destination number unreachable or invalid returns call failed status","Rate limits exceeded returns 429 or equivalent throttling error"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to autonomously initiate an outbound voice call to a real phone number using a dedicated agent-owned number, especially when crypto (USDC) micropayment billing via x402 is preferred and no traditional telecom account setup is desired.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T09:53:22.981Z","isFirstParty":false}