{"uid":"cap__6phGb_OuKN0raHBTrIcB","slug":"delx-commerce-reverse-string-api-e9b3875d","name":"Delx Commerce — Reverse String API","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/reverse-string?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","maxLength":100000,"description":"Primary text input (max 100k chars). Processed first-party; not retained as a dataset."}}},"responseSchema":{"type":"json","example":{"text":"dlrow tnega olleh","schema":"delx/reverse-string/v1","source_len":17}},"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_4ZJrKKYxPk8RMrC66jucl","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":"Reverses the characters of an input string, returning the mirrored text with character count metadata.","exampleAgentPrompt":"Can you reverse the string 'hello agent world' for me using Delx?","exampleUseCases":[{"title":"Palindrome detection pre-processing","prompt":"Take the word 'racecar' and reverse it so I can compare it to the original and check if it's a palindrome."},{"title":"Obfuscated text encoding","prompt":"Reverse this sentence for me: 'This is a secret message meant for the team' — I want to send it in a lightly obfuscated format."},{"title":"Debug mirrored output in pipeline","prompt":"I'm seeing mirrored text coming out of my pipeline — can you reverse this string 'tuptuo derorrим' to check what the original was?"}],"resultDescription":"A JSON object containing the reversed text string, the schema version identifier ('delx/reverse-string/v1'), and the character length of the original input string.","failureModes":["Input text exceeds 100,000 character limit — request rejected","Missing or empty 'text' field in request body — validation error","Payment failure via x402 — 402 Payment Required response before processing","Malformed JSON body — 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-call, no-signup string reversal with verifiable on-chain payment via USDC on Base or Solana. Useful in agent pipelines where accountable micro-payments per operation are preferred over subscription APIs, or when a lightweight utility operation is needed without infrastructure overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:54:02.003Z","isFirstParty":false,"canonicalSlug":"delx-commerce-reverse-string-api-e9b3875d"}