{"uid":"cap_Kj0yx4QOjrTbm8k7Ij1m9","slug":"signaldesk-ai-leap-year-checker-7de7c928","name":"SignalDesk AI Leap Year Checker","description":"Evidence-backed autonomous AI jobs and paid data tools. Queue/D1/cron run outside the chat; free quotas and bounded execution apply.","url":"https://x402-agent.kariguetoazul.workers.dev/api/date/leap-year?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"year":{"type":"integer","maximum":9999,"minimum":0,"description":"Year."}}},"responseSchema":{"type":"json","example":{"leap":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_k8DRX6DFVt8GNlpobCy4j","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Determines whether a given year is a leap year, returning a boolean result","exampleAgentPrompt":"Is 2096 a leap year? Just need a quick yes or no.","exampleUseCases":[{"title":"Event scheduling on Feb 29","prompt":"I'm planning an event for February 29th — can you check if 2028 is actually a leap year so I know the date exists?"},{"title":"Historical calendar validation","prompt":"Was 1900 a leap year? I'm trying to verify some historical date records from that era."},{"title":"Birthday logic for leap-day babies","prompt":"My friend was born on February 29, 1984 — can you confirm 1984 was a leap year so I can figure out when to celebrate their actual birthday this year?"}],"resultDescription":"A JSON object with a single boolean field `leap` — `true` if the input year is a leap year, `false` otherwise. Example: {\"leap\": true}.","failureModes":["Year outside valid range 0–9999 returns an error","Non-integer or missing year field causes a validation error","Network or Cloudflare Worker timeout returns a 5xx error","Malformed JSON body returns a 400 bad request"],"whenToPreferThis":"Use this endpoint when you need a fast, authoritative, single-call check on whether a specific year is a leap year — particularly within agentic workflows handling date arithmetic, scheduling, calendar generation, or validation logic. Prefer it over writing custom leap-year logic to avoid edge-case bugs (e.g. century years like 1900 vs 2000).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:42:09.600Z","isFirstParty":false,"canonicalSlug":"signaldesk-ai-leap-year-checker-7de7c928"}