{"uid":"cap_Qf8Y8UwgZe3x6YW0Ady22","slug":"palmyr-phone-number-messages-ab7278d6","name":"Palmyr Phone Number Messages","description":"Autonomous infrastructure for AI agents — pay with USDC on Solana or Base via x402.","url":"https://palmyr.ai/phone/numbers/%7Bid%7D/messages","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"properties":{"queryParams":{"type":"object","additionalProperties":true}}},"output":{"properties":{"example":{"type":"object","additionalProperties":true}}}}},"responseSchema":{"example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_idC15RsVVERKp5QxM6jO8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Send an SMS or message from a specific phone number managed by Palmyr's autonomous agent infrastructure, paying per-message with USDC.","exampleAgentPrompt":"Using my Palmyr phone number (ID: pn_abc123), send a text message to +14155550199 saying 'Your appointment is confirmed for tomorrow at 3pm' — pay the $0.02 USDC fee from my Base wallet.","exampleUseCases":[{"title":"Appointment reminders from agent phone","prompt":"My scheduling agent just confirmed a bunch of appointments today. Send SMS reminders to all these customers from my Palmyr number (pn_xyz789) saying 'Your appointment is tomorrow at 2pm — reply CONFIRM to confirm or CANCEL to reschedule' — charge me USDC per message on Solana."},{"title":"Alert notifications for monitoring system","prompt":"Set up my autonomous monitoring agent to send critical alerts via SMS whenever a system goes down. Use my Palmyr phone number (pn_monitor456) to text the on-call engineer at +14155551234 with status updates, and auto-pay each message in USDC from my Base wallet."},{"title":"Customer verification codes delivery","prompt":"My agent needs to send one-time verification codes via SMS to users signing up for my platform. Use my Palmyr-managed phone number (pn_verify789) to deliver these codes to their phone numbers, and pay for each SMS with USDC on Base automatically."}],"resultDescription":"A confirmation response indicating the message was sent, including a message ID and delivery status for the outbound SMS sent from the specified Palmyr-managed phone number.","failureModes":["Invalid phone number ID returns 404 not found","Insufficient USDC balance or failed x402 payment returns 402 payment required","Malformed recipient number returns 400 bad request","Rate limiting on the number returns 429 too many requests","Network error on Solana or Base chain delays payment confirmation"],"whenToPreferThis":"Use this endpoint when an AI agent needs to send an outbound SMS from a specific Palmyr-managed phone number and is able to pay per-message in USDC on Solana or Base via the x402 protocol. Prefer this over traditional SMS APIs when operating in a crypto-native, autonomous agent context without traditional API key billing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T14:50:08.947Z","isFirstParty":false}