{"uid":"cap_jRekQXmvrNupYIBY3nJ0R","slug":"ssdf-rail-receipt-purchase-33bb18a2","name":"SSDF Rail Receipt Purchase","description":"SSDF INC digital store. Priced in USD, settled in USDC on Base through Coinbase Business. Humans and agents buy the same SKU. Every settlement mints a Passport.","url":"https://www.ssdf.site/api/x402/ssdf-rail-receipt","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"type":"object","required":[],"properties":{}},"output":{"type":"object","properties":{"ok":{"type":"boolean"},"sku":{"type":"string"},"passport":{"type":"string"},"fulfillment":{"type":"string"}}}}},"responseSchema":{"type":"json","schema":{"type":"object","properties":{"ok":{"type":"boolean"},"sku":{"type":"string"},"passport":{"type":"string"},"fulfillment":{"type":"string"}}},"example":{"ok":true,"sku":"ssdf-rail-receipt","passport":"{id}","fulfillment":"/api/fulfillment/{token}"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"1","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":"$1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_J0GBvQwMSIWCmZqC8EXC8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Purchases the SSDF Rail Receipt SKU from SSDF INC's digital store, settling $1 USDC on Base via Coinbase Business and minting a Passport NFT as proof of purchase.","exampleAgentPrompt":"Buy me the SSDF Rail Receipt from the SSDF INC digital store — pay $1 USDC on Base and get back the Passport and fulfillment token.","exampleUseCases":[{"title":"Agent purchases SSDF digital receipt","prompt":"Go ahead and buy the SSDF Rail Receipt for me — pay the $1 USDC with my Base wallet and give me the Passport ID and fulfillment link when it's done."},{"title":"Automated on-chain purchase for proof of access","prompt":"I need to purchase the ssdf-rail-receipt SKU from SSDF INC's store using USDC on Base so I can get a Passport minted as proof — can you do that now?"},{"title":"Developer testing x402 payment flow","prompt":"Run a test purchase against the SSDF store's rail receipt endpoint using x402 — pay 1 USDC on Base and show me the Passport ID and fulfillment token I get back."}],"resultDescription":"Returns a JSON object with: `ok` (boolean success flag), `sku` (the purchased product identifier, e.g. 'ssdf-rail-receipt'), `passport` (the minted Passport ID tied to this purchase), and `fulfillment` (a URL path to retrieve the fulfilled digital item, e.g. '/api/fulfillment/{token}').","failureModes":["Payment rejected or insufficient USDC balance — ok returns false or HTTP 402 re-issued","Invalid or malformed x402 payment header — endpoint returns payment required error","Base network congestion causing settlement delay — fulfillment token may be delayed","Duplicate payment attempt — may result in a second Passport mint or idempotency error depending on server logic","SKU unavailable or store configuration error — ok returns false with no passport or fulfillment"],"whenToPreferThis":"Choose this endpoint when you specifically want to purchase the SSDF Rail Receipt SKU from SSDF INC's digital store using the x402 micropayment protocol, pay exactly $1 USDC settled on the Base blockchain via Coinbase Business, and receive a Passport NFT mint plus a fulfillment token as proof. Prefer this over generic payment endpoints when the agent needs on-chain Passport issuance as a side effect of purchase, or when building workflows that depend on x402-compatible digital storefronts on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:55:54.667Z","isFirstParty":false}