{"uid":"cap_fx-O9yckkUklL5xq9xCuC","slug":"task-cancel-assurance-d25e136b","name":"Task Cancel Assurance","description":"Verify cancellation state and unresolved side effects","url":"https://phion.systems/v1/paid/trust/task-cancel-assurance?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["body"],"properties":{"body":{"type":"object","additionalProperties":true}}},"output":{"type":"object","required":["example"],"properties":{"example":{"type":"object","additionalProperties":true}}}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_C20WGOpXExxUgNcKC3-A_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies the cancellation state of an agent task and identifies any unresolved side effects left behind","exampleAgentPrompt":"Can you verify that the task I just cancelled is fully resolved — confirm its cancellation state and flag any unresolved side effects it may have left behind?","exampleUseCases":[{"title":"Post-cancellation cleanup audit","prompt":"I cancelled that data-fetch task mid-run — can you check if the cancellation went through cleanly and whether any side effects are still hanging around unresolved?"},{"title":"Multi-agent pipeline abort check","prompt":"We aborted the pipeline task after step 3 failed — please verify the cancellation state and tell me if there are any lingering side effects I need to clean up before restarting."},{"title":"Budget-exceeded task shutdown validation","prompt":"The agent task was stopped because it exceeded budget — can you confirm it was properly cancelled and identify any unresolved actions it may have triggered before shutdown?"}],"resultDescription":"A structured receipt confirming the cancellation state of the specified task, listing any unresolved side effects detected, and providing a signed assurance that the verification was independently performed — allowing downstream agents or orchestrators to safely proceed or take remediation steps.","failureModes":["Task ID not found or unrecognized, returning an error with no state information","Task has not yet been formally cancelled, so cancellation state cannot be confirmed","Insufficient information provided to identify the task, resulting in a validation failure","Service temporarily unavailable, returning a 5xx error with no receipt","Side effect resolution status cannot be determined due to missing upstream records"],"whenToPreferThis":"Use this endpoint when an AI agent or orchestrator needs independent, signed assurance that a task cancellation was complete and did not leave behind unresolved side effects — particularly in multi-agent pipelines, paid workflows, or any scenario where partial execution could cause downstream harm, double-spending, or orphaned state. Prefer this over internal checks when third-party verification or a portable signed receipt is required for auditability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T01:35:34.854Z","isFirstParty":false,"canonicalSlug":"task-cancel-assurance-d25e136b"}