{"uid":"cap_vNgyOzSTb7sHSbtRheMeu","slug":"ssdf-seller-carry-protocol-8c4cb0ad","name":"SSDF Seller Carry Protocol","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-seller-carry-protocol","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-seller-carry-protocol","passport":"{id}","fulfillment":"/api/fulfillment/{token}"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"59","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":"$59/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"59","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"59","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_KkNJSW144WhhUHQypL_qh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"59","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Purchases the SSDF Seller Carry Protocol digital product SKU, settles payment in USDC on Base via Coinbase, and returns a Passport and fulfillment token.","exampleAgentPrompt":"Buy me the SSDF Seller Carry Protocol from the SSDF digital store — pay the $59 USDC price, settle it on Base, and give me back my Passport and fulfillment link.","exampleUseCases":[{"title":"Agent autonomously purchases digital protocol access","prompt":"Go ahead and purchase the SSDF Seller Carry Protocol for me — pay $59 USDC via Base, then hand me the Passport ID and fulfillment URL so I can use the product right away."},{"title":"Mint SSDF Passport for identity verification","prompt":"I need to mint an SSDF Passport — buy the seller carry protocol SKU from SSDF's digital store, settle in USDC on Base, and return my new Passport ID."},{"title":"Automated reseller workflow purchasing SSDF license","prompt":"As part of my reseller onboarding, purchase the SSDF Seller Carry Protocol SKU, confirm the payment settled on Base, and give me the fulfillment token I need to proceed."}],"resultDescription":"Returns a JSON object with: 'ok' (boolean indicating success), 'sku' (the purchased SKU identifier, e.g. 'ssdf-seller-carry-protocol'), 'passport' (a unique Passport ID minted upon settlement), and 'fulfillment' (a path to retrieve the digital product, e.g. '/api/fulfillment/{token}').","failureModes":["Insufficient USDC balance — payment cannot be completed on Base","x402 payment header missing or malformed — returns 402 Payment Required","On-chain transaction failure or gas issue — payment not settled","Invalid or expired USDC authorization — returns auth error","Fulfillment service unavailable — ok: false with no fulfillment token returned"],"whenToPreferThis":"Use this endpoint when you specifically need to purchase the SSDF Seller Carry Protocol digital product, settle payment natively in USDC on Base via Coinbase Business, and receive a minted Passport plus a fulfillment token in a single call. It is purpose-built for the x402 payment protocol and works identically for human and agent callers. Prefer it over generic e-commerce APIs when the target SKU is exactly 'ssdf-seller-carry-protocol' and you need blockchain-verifiable settlement and identity issuance in one step.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:51:35.641Z","isFirstParty":false}