{"uid":"cap_HbSF6Nzu3DDuxyMyjkE8i","slug":"kubla-khan-letter-ownership-astatelypleasuredome-com-3d0baf21","name":"Kubla Khan Letter Ownership — astatelypleasuredome.com","description":"One letter of Kubla Khan, ownable once, ever; price rises with each sale. The letter index goes in the path: /api/poem/char/{i}. GET /api/ledger (free) lists letters already owned; GET /api/poem (free) has metadata.","url":"https://astatelypleasuredome.com/api/poem/char/:i","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001061","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":"$0.001061/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001061","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001061","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cnkyEs0iBvCNMRP51UqXO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001061","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves and claims ownership of a single character at position i in the poem Kubla Khan, where each letter can only be owned once and the price rises with each sale.","exampleAgentPrompt":"I want to own the letter at position 12 in the Kubla Khan poem on astatelypleasuredome.com — can you claim it for me?","exampleUseCases":null,"resultDescription":"Returns the character at the specified index in Kubla Khan along with ownership metadata; a successful paid call records the caller as the owner of that letter. Each letter can only be owned once, and the price increases with each successive sale.","failureModes":["Letter at index i already owned — returns conflict or ownership error","Index i out of range for the poem — returns 404 or invalid index error","Payment insufficient — x402 payment required, insufficient USDC","Network or server error — 5xx response","Invalid path parameter type — non-integer index"],"whenToPreferThis":"Use this endpoint when a user wants to claim or purchase a specific letter by its index position in the Kubla Khan poem on astatelypleasuredome.com. This is the only endpoint that executes the ownership purchase; use GET /api/ledger to check which letters are already owned before calling this.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:33:16.212Z","isFirstParty":false}