{"uid":"cap_b79_rc8oREhJh21-Iw0g5","slug":"one-engine-odd-number-check-3789cdc3","name":"ONE Engine Odd Number Check","description":"Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.","url":"https://one-search.one-engine.workers.dev/v1/number/odd?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"value":{"type":"integer"}}},"responseSchema":{"type":"json","example":{"odd":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0009","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":"$0.0009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_dMHdMOO78lNHvsfBxA9W5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0009","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a given integer is odd, returning a boolean result for $0.0009 USDC per call via x402 on Base.","exampleAgentPrompt":"Is 137 an odd number? Use the ONE Engine odd-check to find out.","exampleUseCases":[{"title":"Parity gate in data pipeline","prompt":"I'm processing a list of IDs and need to route odd-numbered ones differently — can you check if 4821 is odd?"},{"title":"Game logic odd-turn check","prompt":"In my turn-based game, odd turns trigger a special event. Is turn number 73 an odd turn?"},{"title":"Math homework verification","prompt":"My student says 256 is an odd number — can you verify that for me?"}],"resultDescription":"A JSON object with a single boolean field `odd` indicating whether the provided integer is odd (e.g. {\"odd\": true}).","failureModes":["Missing or non-integer `value` field returns a validation error","Non-integer types (floats, strings) may cause a parsing or type error","Insufficient USDC balance or failed x402 payment results in a 402 Payment Required response","Service unavailability on Cloudflare Workers edge may return a 503"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-call, trustless, on-chain-settled parity check for integers, especially in autonomous agent workflows where micropayments via x402 on Base are already in use and you want minimal overhead for a simple utility computation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:26.176Z","isFirstParty":false,"canonicalSlug":"one-engine-odd-number-check-3789cdc3"}