{"uid":"cap_2O29rT24coiUIL788mbwU","slug":"subscription-billing-acceptance-standard-for-merchant-agents-b8adbd7a","name":"Subscription Billing Acceptance Standard for Merchant Agents","description":"Deterministic acceptance gate for merchant agents offered recurring billing via x402/MPP. Given a proposed subscription agreement (cadence, price anchor, auto-renew terms, cancel path, refund window), the procedure returns accept / conditional / reject. It requires an on-rail cancel path that the payer can trigger without merchant consent, a fixed billing anchor with a 7-day (monthly) or 30-day (annual) price-change notice window, proof that the first charge actually settled as a normal x402","url":"https://k2so.wrong.systems/api/services/subscription-billing-acceptance-standard-for-mer?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"Subscription billing acceptance standard for merchant agents paid response","$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":"subscription-billing-acceptance-standard-for-mer","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"subscription-billing-acceptance-standard-for-mer","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_PZwkFgW23Bpx_yxrw8yBa","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 an accept/conditional/reject decision on a proposed recurring-billing subscription agreement under x402/MPP, checking cancel path, price-change notice windows, and first-charge settlement proof.","exampleAgentPrompt":"A merchant just offered me a monthly subscription at a fixed price anchor with a 7-day price-change notice window and an on-rail cancel path — can you run it through the subscription billing acceptance standard to get an accept, conditional, or reject decision before I commit?","exampleUseCases":[{"title":"Vetting a new recurring billing offer","prompt":"I've received a proposed monthly subscription agreement from a new merchant — cadence is monthly, they claim there's an on-rail cancel path and a 7-day price-change notice, and the first charge settled as a normal x402 payment. Can you evaluate this against the subscription billing acceptance standard and tell me if I should accept, reject, or ask for changes?"},{"title":"Checking auto-renew term compliance before agent onboarding","prompt":"Before I onboard this merchant for recurring auto-renew payments, I want to verify their subscription terms meet the x402 MPP standard — specifically that payers can cancel without merchant consent and the annual price-change window is at least 30 days. Can you run the acceptance gate and give me the decision?"},{"title":"Flagging a conditional subscription with refund window issues","prompt":"This subscription proposal has auto-renew enabled but I'm not sure the refund window and cancel path are compliant with x402 merchant billing standards — can you put it through the acceptance procedure and tell me whether it comes back as conditional or outright rejected?"}],"resultDescription":"A JSON response containing an ok flag, a paid confirmation, and a result object with a boolean success indicator, a plain-prose 'brief' explaining the decision procedure (120+ words), the acceptance outcome (accept/conditional/reject logic embedded in the procedure), an ISO-8601 generatedAt timestamp, the generation source (llm, reasoning, or deterministic), and the service slug and provider (K-2SO).","failureModes":["Missing or malformed subscription agreement input yields an error or empty decision","Unpaid request (no valid x402 payment header) returns a 402 Payment Required response","Invalid topic override parameter causes fallback to default procedure","Network or provider-side timeout results in no result object returned","First-charge settlement proof not verifiable leads to conditional or reject outcome"],"whenToPreferThis":"Choose this endpoint when an autonomous merchant agent needs a deterministic, standards-based gate before accepting a recurring billing arrangement under x402/MPP — particularly when you need structured accept/conditional/reject logic that checks on-rail cancel path availability, price-change notice windows (7-day monthly / 30-day annual), and settled first-charge proof. Prefer this over manual review or generic policy checks when operating unattended and need a reproducible decision trace with prose rationale.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T20:27:39.212Z","isFirstParty":false,"canonicalSlug":"subscription-billing-acceptance-standard-for-merchant-agents-b8adbd7a"}