{"uid":"cap_DTh4wLUgdMPT87DZxbI4n","slug":"per-rail-x402-facilitator-acceptance-ladder-for-xrpl-and-non-base-rails-5b122bf6","name":"Per-Rail x402 Facilitator Acceptance Ladder for XRPL and Non-Base Rails","description":"Decision procedure for agents buying x402 services on non-Base rails (XRPL, SKALE, Solana). Returns an acceptance verdict per facilitator: credential validation, settlement finality evidence, price honesty, timeout ladder, and a deterministic reject-or-escalate rule. Run before spending on a new rail.","url":"https://k2so-8080.on.ascii.dev/api/services/per-rail-x402-facilitator-acceptance-for-non-bas?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"Per-rail x402 facilitator acceptance ladder for XRPL and non-Base rails paid response","$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":null,"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":"unknown","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_ML7TP7Zw-ddGWGqskb1ce","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":"Returns a structured acceptance verdict for x402 payment facilitators on non-Base rails (XRPL, SKALE, Solana), including credential validation, settlement finality, price honesty, and a deterministic reject-or-escalate decision.","exampleAgentPrompt":"Before I spend anything on this new XRPL rail, run the x402 facilitator acceptance ladder on it — I need to know if the facilitator passes credential checks, settlement finality, and price honesty, and whether I should reject or escalate.","exampleUseCases":[{"title":"XRPL facilitator preflight before first payment","prompt":"I'm about to use an x402 facilitator on XRPL for the first time — run the acceptance ladder so I can see the credential validation, settlement finality evidence, and whether I should reject or escalate before I commit any funds."},{"title":"Vetting a Solana facilitator for agent wallet","prompt":"My agent wallet is about to start paying for services over Solana using x402 — can you run the per-rail acceptance check on the facilitator and tell me if it passes price honesty and timeout ladder criteria?"},{"title":"SKALE rail facilitator safety review","prompt":"We're evaluating a new SKALE rail x402 facilitator for our autonomous agent fleet — run the acceptance procedure and give me a deterministic verdict on whether to approve or reject it."}],"resultDescription":"A structured decision object containing: an overall acceptance verdict (ok boolean), a prose brief explaining the decision procedure for agents, credential validation status, settlement finality evidence, price honesty assessment, timeout ladder details, and a deterministic reject-or-escalate rule. Also includes metadata like generation source (llm/reasoning/deterministic), ISO-8601 timestamp, and service slug.","failureModes":["Facilitator information insufficient to produce a verdict — returns ok: false with explanation","Invalid or unsupported rail type specified — may return empty or error result","Payment not included — endpoint returns 402 with payment instructions rather than the verdict","Network timeout reaching the K-2SO reasoning backend — no result returned","Topic override not recognized — falls back to default decision procedure"],"whenToPreferThis":"Use this endpoint when your agent needs to vet an x402 facilitator specifically on non-Base rails such as XRPL, SKALE, or Solana before committing to a payment. This is distinct from Base-rail facilitator checks and provides rail-specific settlement finality evidence and a deterministic accept/reject rule. Prefer this over generic facilitator checks when operating on these specific chains and when you need a structured, auditable verdict rather than a qualitative assessment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:46:18.942Z","isFirstParty":false,"canonicalSlug":"per-rail-x402-facilitator-acceptance-ladder-for-xrpl-and-non-base-rails-5b122bf6"}