{"uid":"cap_JElJrhJ7NvdzctGcH9k1C","slug":"stablephone-number-f25c5a80","name":"StablePhone Buy Phone Number","description":"Buy a phone number ($20.00 via x402). Use it as outbound caller ID.","url":"https://stablephone.dev/api/number?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"area_code":{"type":"string","pattern":"^\\d{3}$"},"country_code":{"enum":["US","CA"],"type":"string","default":"US"}},"additionalProperties":false},"responseSchema":{"type":"object","required":["success","phone_number","expires_at"],"properties":{"success":{"type":"boolean","const":true},"expires_at":{"type":"string"},"phone_number":{"type":"string"}},"additionalProperties":false},"example":null,"exampleRequest":null,"tags":["phone","call","voice","ai-call","imessage","ai","social"],"displayCostAmount":"20","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":"$20/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"20","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"20","per":"call","confidence":"exact"},{"kind":"static","protocol":"x402","network":"base","amountUsd":"20.00","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VibxtdBZQNnRKpKaoFl6_","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"20","costPer":"request","priority":0,"asset":"0x20c000000000000000000000b9537d11c60e8b50","unit":"request","depositMicros":null,"planRef":null},{"uid":"pm_i4UwVk4VNg6OLCdqj05vL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"20.00","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":"StablePhone","brandSlug":"stablephone","brandBaseUrl":"https://stablephone.dev","brandDocsUrl":"https://stablephone.dev","whatItDoes":"Purchase a dedicated US or Canadian phone number for $20 USDC, which can be used as an outbound caller ID for AI phone calls.","exampleAgentPrompt":"Buy me a dedicated StablePhone number with a 415 area code in the US so I can use it as my outbound caller ID.","exampleUseCases":null,"resultDescription":"Returns a JSON object with success: true, the provisioned phone_number string (e.g. +14155550123), and an expires_at ISO timestamp indicating when the number license expires.","failureModes":["Payment of $20 USDC fails or is rejected — purchase does not complete and no number is returned","Requested area code has no available numbers — may return error or assign a different area code","Invalid area_code format (not exactly 3 digits) — schema validation error","Unsupported country_code value — schema validation error","Network or service timeout — no number provisioned, retry safe only if confirmed no charge occurred"],"whenToPreferThis":"Use this endpoint when you need a persistent, dedicated phone number to use as an outbound caller ID for AI phone calls via StablePhone. Choose this over the Call endpoint alone when you want a stable, recognizable number identity across multiple calls rather than a one-off call. Prefer this when the user explicitly wants their own number registered to their wallet.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:38:27.563Z","isFirstParty":false,"canonicalSlug":"stablephone-number-f25c5a80"}