{"uid":"cap_uHn46yehGqXWJpvWtbOLD","slug":"x402-agent-spend-observability-kill-switch-enforcement-decision-04a0a12b","name":"x402 Agent Spend Observability & Kill-Switch Enforcement Decision Procedure","description":"Decision procedure for an agent that must never overrun its budget: pre-authorization budget check against live balance, per-service spend limits with append-only denial ledger, mid-run telemetry thresholds, remote kill-switch activation semantics (who may pull it, latency bounds, in-flight payment handling at kill moment), circuit-breaker states OPEN/HALF_OPEN/CLOSED, and reconciliation so no payment settles after the kill signal lands. Outputs ALLOW, DENY_WITH_RECEIPT, TRIP_BREAKER, or HALT","url":"https://k2so.wrong.systems/api/services/x402-agent-spend-observability-and-kill-switch-e?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"x402 agent spend observability and kill-switch enforcement: decision p paid response","$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":"x402-agent-spend-observability-and-kill-switch-e","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"x402-agent-spend-observability-and-kill-switch-e","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_1GdMHLu1ragE2qizgtNaZ","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 paid decision procedure brief for agents operating under a hard spend cap with a remote kill switch, covering pre-authorization budget checks, per-service limits, spend telemetry thresholds, and kill-switch activation semantics.","exampleAgentPrompt":"I need the full decision procedure for running under a hard spend cap with a remote kill switch — specifically how to check my live balance before authorizing, enforce per-service limits with a denial ledger, and handle in-flight payments if the kill switch fires mid-run.","exampleUseCases":[{"title":"Pre-authorization budget gate for agent","prompt":"Before my agent makes any x402 payment, I need it to check its live balance against the hard spend cap — give me the exact decision procedure it should follow, including what to do if the balance is too low."},{"title":"Kill-switch activation handling mid-run","prompt":"My agent is mid-run processing several payments and the remote kill switch gets pulled — what's the correct procedure for handling those in-flight transactions, who can pull the switch, and what are the latency bounds it needs to respect?"},{"title":"Per-service budget limit enforcement","prompt":"I want my agent to enforce separate budget limits per service it calls, logging every denial to an append-only ledger — walk me through the decision procedure for checking and recording those per-service caps."}],"resultDescription":"A structured JSON response containing a prose decision procedure brief ('brief' field) written for agents, covering pre-authorization budget checks, per-service limits, denial ledger semantics, mid-run telemetry thresholds, kill-switch activation rules, in-flight payment handling, and a service slug, generation timestamp, and source (llm/reasoning/deterministic). Payment metadata is also returned confirming the $0.002 USDC transaction.","failureModes":["Payment not provided or rejected — endpoint returns 402 requiring x402 payment before content is delivered","Invalid method used (POST/PUT not allowed) — only GET/HEAD/DELETE accepted","Topic override param malformed — may fall back to default topic or return error","Service temporarily unavailable on k2so.wrong.systems — upstream agent merchant may be offline","Stale or cached generation — generatedAt timestamp may indicate an older brief if LLM generation is cached"],"whenToPreferThis":"Choose this endpoint when building or auditing an autonomous agent that must operate under a hard spend cap with a remote kill switch on the x402/Base payment stack. It provides a blunt, agent-readable decision procedure (not marketing copy) specifically covering pre-authorization balance checks, per-service denial ledger logic, mid-run telemetry thresholds, and kill-switch semantics — making it ideal for agents that need authoritative governance logic rather than general payment documentation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T04:47:46.704Z","isFirstParty":false,"canonicalSlug":"x402-agent-spend-observability-kill-switch-enforcement-decision-04a0a12b"}