{"uid":"cap_X2-7Kt5a7lx2OnSMwpfgJ","slug":"agent402-tools-rot13-caesar-cipher-cbf85d99","name":"agent402.tools ROT13 / Caesar Cipher","description":"Caesar-cipher a string. Default shift 13 (ROT13, self-inverse). Set shift for any rotation 1-25.","url":"https://agent402.tools/api/rot13","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string"},"shift":{"type":"number","description":"1-25 (default 13)"}}},"responseSchema":{"type":"json","example":{"result":"Uryyb"}},"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_xbtkqoLcP5ol0ZjXwqc-3","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":"Applies a Caesar cipher (default ROT13, shift 13) to a string, with configurable shift values from 1 to 25.","exampleAgentPrompt":"ROT13-encode this text for me: 'The quick brown fox jumps over the lazy dog' — use the default shift of 13.","exampleUseCases":null,"resultDescription":"Returns the Caesar-ciphered version of the input string, with all alphabetic characters rotated by the specified shift (default 13). Non-alphabetic characters are typically passed through unchanged.","failureModes":["Invalid shift value outside 1-25 range may return an error or be rejected","Empty text input may return an empty string or error","Non-string text input may cause a validation error","Missing required text field returns a bad request error"],"whenToPreferThis":"Use this endpoint when you need a quick, reliable Caesar cipher or ROT13 transformation of a string without setting up any local encoding logic. Ideal for obfuscating spoilers, simple encoding tasks, or decoding ROT13 messages. Since ROT13 is self-inverse, running the same text through twice (shift=13) restores the original.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:14:03.139Z","isFirstParty":false}