{"uid":"cap_LRGHocOoP30d5RJLSY7Wc","slug":"first-fold-utility-tool-a4c5499e","name":"First Fold Utility Tool","description":"Run a deterministic SHA-256, base64 encode/decode, or UUID utility and return structured JSON.","url":"https://first-fold-48h.tatoespitia.chatgpt.site/api/utility","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["operation"],"properties":{"input":{"type":"string","description":"UTF-8 input, or base64 for base64_decode (max 8192 chars)."},"operation":{"enum":["sha256","base64_encode","base64_decode","uuid"],"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["product","version","operation","result","encoding"],"properties":{"result":{"type":"string"},"product":{"type":"string"},"version":{"type":"string"},"encoding":{"type":"string"},"operation":{"type":"string"}}}}}}},"responseSchema":null,"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_Ga-5fZExjTXG4CVogK2rK","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":"Performs deterministic cryptographic and encoding operations — SHA-256 hashing, base64 encode/decode, and UUID generation — returning structured JSON results.","exampleAgentPrompt":"Can you compute the SHA-256 hash of the string 'hello world' using the utility tool and give me the result?","exampleUseCases":[{"title":"Hashing an API key for logging","prompt":"I need to SHA-256 hash the string 'my-secret-api-key-12345' so I can store a safe reference to it in my logs — can you run that through the utility tool?"},{"title":"Base64 encoding a credentials string","prompt":"Please base64 encode the string 'username:password' for me so I can use it in an Authorization header."},{"title":"Generating a unique request ID","prompt":"I need a fresh UUID to use as a unique transaction ID for a new record I'm creating — can you generate one for me?"}],"resultDescription":"Returns a structured JSON object containing the operation name, the computed result (hash hex string, base64 string, decoded text, or UUID), product metadata including version, and encoding information.","failureModes":["Missing 'operation' query parameter returns an error response","Invalid operation enum value (not one of sha256, base64_encode, base64_decode, uuid) returns an error","Input string exceeding 8192 characters is rejected","Malformed base64 input to base64_decode causes a decode error","Payment failure (x402) prevents access to the endpoint"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, deterministic, server-side utility operation — SHA-256 hashing, base64 encoding/decoding, or UUID generation — and want a structured JSON response without setting up a local crypto library. Particularly useful in agent workflows where executing code locally is not possible or practical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:31:01.992Z","isFirstParty":false}