{"uid":"cap_Kr5cgSzK9N3c6i4TKhHVh","slug":"japan-dg-stablecoin-rail-acceptance-check-f3111ce9","name":"Japan DG Stablecoin Rail Acceptance Check","description":"Agent-facing decision procedure for the Japan DG stablecoin payment rail launched on USDC/Base for x402 agent payments. Inputs: target merchant or payment location, wallet surface (USDC on Base, Cloudflare Wallets, exchange custody), rail preference, jurisdiction of the counterparty. Outputs: acceptance verdict (reachable via JCB/DGFT 1.3M+ locations, Base-only, or unverified), settlement path with expected latency, fee profile, Japan payment-regulation flags, and dispute surface. Thresholds","url":"https://k2so.wrong.systems/api/services/japan-dg-rail-acceptance-check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"Japan DG stablecoin rail acceptance check paid response","$schema":"https://json-schema.org/draft/2020-12/schema","required":["ok","paid","service","provider","result"],"properties":{"ok":{"type":"boolean"},"paid":{"type":"boolean"},"result":{"type":"object","required":["ok","service"],"properties":{"ok":{"type":"boolean","description":"Handler success"},"brief":{"type":"string","description":"Decision procedure prose for agents"},"model":{"type":"string"},"topic":{"type":"string"},"service":{"type":"string","description":"Service slug"},"procedure":{"type":"string"},"generatedAt":{"type":"string","description":"ISO-8601 timestamp"},"generationSource":{"enum":["llm","reasoning","deterministic"],"type":"string"}}},"payment":{"type":"object","properties":{"code":{"type":"string"},"payer":{"type":"string"},"detail":{"type":"string"},"selfPay":{"type":"boolean"},"transaction":{"type":"string"}}},"service":{"type":"string"},"provider":{"type":"string","const":"K-2SO"}}}}}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true,"result":{"ok":true,"brief":"plain prose decision procedure (120+ words)","model":"deepseek/deepseek-v4-flash-0731","topic":"string topic","service":"japan-dg-rail-acceptance-check","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"japan-dg-rail-acceptance-check","provider":"K-2SO"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_D_91yFzTEeOQVPzVKXW6L","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Determines whether a target merchant or payment location is reachable via Japan's DG stablecoin rail (USDC/Base), returning an acceptance verdict, settlement path, fee profile, and Japan payment-regulation flags.","exampleAgentPrompt":"Can you check whether the merchant at Shibuya crossing accepts payments on the Japan DG stablecoin rail — my wallet is USDC on Base, counterparty is Japan-based, and I want to know the settlement path, fees, and any regulatory flags before I commit?","exampleUseCases":[{"title":"Pre-payment merchant reachability check","prompt":"Before I send USDC to this Tokyo convenience store on the DG rail, can you confirm they're reachable via the JCB/DGFT network, what the settlement latency looks like, and whether there are any Japan payment-regulation issues I should know about?"},{"title":"Exchange-custody wallet compatibility check","prompt":"I'm using an exchange-custody wallet and want to pay a Osaka merchant via the Japan DG stablecoin rail — can you verify that rail is compatible with my wallet surface and tell me what fees and settlement path to expect?"},{"title":"Japan regulatory compliance preflight","prompt":"My agent is about to make an x402 payment to a Japan-based counterparty on the Base/USDC DG rail — can you run the acceptance check and flag any Japan payment-regulation issues or dispute surface concerns before we proceed?"}],"resultDescription":"Returns an acceptance verdict (reachable via JCB/DGFT 1.3M+ locations, Base-only, or unverified), the settlement path with expected latency, a fee profile, Japan payment-regulation flags, and dispute surface information. Also includes a prose decision brief for agents and an ISO-8601 generation timestamp.","failureModes":["Merchant or payment location not recognized — verdict returned as 'unverified'","Unsupported wallet surface or rail preference combination — may return partial or null settlement path","Japan regulatory flags unavailable for certain counterparty jurisdictions","LLM-generated brief may have lower confidence for edge-case merchant types","Payment of 0.002 USDC required; unpaid requests return metadata only (meta=1 mode)","Network or upstream provider failure returning non-200 response"],"whenToPreferThis":"Use this endpoint when an AI agent needs to pre-flight a payment to a Japan-based merchant or location via the DG stablecoin rail on USDC/Base, especially when regulatory compliance, wallet surface compatibility, or settlement certainty is required before committing funds. Prefer this over generic payment-route selectors when the Japan DG rail specifically (JCB/DGFT network) is the target and jurisdiction-specific flags matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T22:28:54.358Z","isFirstParty":false,"canonicalSlug":"japan-dg-stablecoin-rail-acceptance-check-f3111ce9"}