{"uid":"cap_2UJ9iGDiLTnLNEFgLTCBB","slug":"creator-desk-contains-literal-utility-47eebc44","name":"Creator Desk Contains-Literal Utility","description":"Machine-callable x402-paid utilities for autonomous agents.","url":"https://creator-desk-x402-isolated.onrender.com/v1/utility/contains-literal?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"value":{},"options":{"type":"object"}}},"responseSchema":{"type":"json","example":{"result":"example","operation":"contains_literal"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_KzBVlJGb6jdKlneiN3bZk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","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 value contains a specified literal substring or element, returning a boolean result via x402-paid API.","exampleAgentPrompt":"Check if the string 'The quick brown fox jumps over the lazy dog' literally contains the word 'fox' — just tell me true or false.","exampleUseCases":[{"title":"Keyword presence check in user input","prompt":"Does the user's comment 'Please refund my order immediately, this is urgent' literally contain the word 'refund'? Give me a yes or no."},{"title":"Literal pattern detection in log lines","prompt":"Check if this log line 'ERROR: null pointer exception at line 42' literally contains the text 'null pointer' — I need to know before routing it."},{"title":"Content filter for agent pipeline","prompt":"Tell me whether the text 'Buy now and get 50% off, limited time offer!!!' literally contains the word 'off' — I'm filtering promotional content."}],"resultDescription":"Returns a JSON object with a 'result' field indicating whether the literal was found (true/false or equivalent), and an 'operation' field confirming 'contains_literal'.","failureModes":["Missing 'value' field returns validation error","Malformed request body causes 400-level response","Payment not fulfilled via x402 protocol returns 402 Payment Required","Service unavailable on cold Render.com instance causes timeout or 503"],"whenToPreferThis":"Use this endpoint when an agent needs a lightweight, pay-per-call literal substring check without setting up a local string library, or when operating in an x402-compatible autonomous payment pipeline that bills only for actual checks performed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:42:35.355Z","isFirstParty":false,"canonicalSlug":"creator-desk-contains-literal-utility-47eebc44"}