{"uid":"cap_9YeOa3p1EZSza2FJCauDo","slug":"beggar-bot-cow-cancel-endpoint-base-mainnet-172e05eb","name":"Beggar Bot CoW Cancel Endpoint (Base Mainnet)","description":"Paid: /v1/verify, /v1/risk, /v1/receipt cost $0.01 USDC per call on Base mainnet via x402 (payTo 0x719227f384b66BFEF00093D6d8d32fA9dC2B40e7); utilities analyze Base mainnet (USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) by default, network=base-sepolia optional; /v1/receipt/verify and discovery files are free. Operator: Beggar Bot.","url":"https://beggar-bot-demand.beggarbot.workers.dev/v1/cowcancel?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AJpn8X5wQw4ecM7Xg5ubB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves information or performs a CoW (CoW Protocol / CowSwap) order cancellation lookup on Base mainnet via a paid x402 micropayment endpoint.","exampleAgentPrompt":"Can you check the cancellation status of my CoW Protocol order on Base mainnet? I want to confirm my pending swap was successfully cancelled.","exampleUseCases":[{"title":"Confirm cancelled DEX swap order","prompt":"I think I cancelled a CoW Protocol swap order on Base mainnet earlier — can you look it up and confirm it's actually cancelled and not still pending?"},{"title":"Monitor CoW order after cancellation request","prompt":"I submitted a cancellation for a CowSwap order on Base mainnet. Can you check whether the cancellation went through successfully?"},{"title":"Audit cancelled CoW trades for accounting","prompt":"Can you pull the cancellation details for my recent CoW Protocol orders on Base mainnet so I can reconcile them in my trading records?"}],"resultDescription":"Returns JSON data about a CoW Protocol order cancellation on Base mainnet, including cancellation status, order details, and relevant transaction information. Costs $0.02 USDC per call paid via x402 micropayment on Base mainnet.","failureModes":["Payment not provided or insufficient USDC balance — returns 402 Payment Required","Invalid or missing order ID — returns error or empty result","Order not found on Base mainnet — returns not found error","Network mismatch if wrong chain specified — returns error","Rate limiting or Cloudflare Worker timeout — returns 5xx error"],"whenToPreferThis":"Use this endpoint when you need to verify or retrieve details about a CoW Protocol order cancellation specifically on Base mainnet. Prefer this over general blockchain explorers when you need structured JSON output about CoW order status and are already using the Beggar Bot x402 micropayment infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-10T18:39:34.994Z","isFirstParty":false,"canonicalSlug":"beggar-bot-cow-cancel-endpoint-base-mainnet-172e05eb"}