{"uid":"cap_moY7223vn5GgyctL09Xn8","slug":"nexusapi-base64-encode-b3981c90","name":"NexusAPI Base64 Encode","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://nexus-api-virid.vercel.app/api/tools/base64/encode","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.071681","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":"$0.071681/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.071681","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.071681","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9DRRix5FvkvoN1JR15VEW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.071681","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Encodes a given string or data into Base64 format","exampleAgentPrompt":"Can you Base64 encode this string for me: 'Hello, World! This is my secret message'?","exampleUseCases":[{"title":"Encoding API credentials for HTTP headers","prompt":"I need to Base64 encode my username and password 'admin:supersecretpassword123' so I can use it in a Basic Auth header — can you encode that string for me?"},{"title":"Preparing binary payload for JSON embedding","prompt":"Can you Base64 encode this raw data string 'image_data_bytes_xyz_raw' so I can safely embed it inside a JSON field without breaking the format?"},{"title":"Encoding configuration file content","prompt":"Take this config value 'host=localhost;port=5432;db=myapp' and Base64 encode it so I can store it safely as an environment variable."}],"resultDescription":"Returns a Base64-encoded representation of the input string, which can be used in HTTP headers, JSON payloads, data URIs, or any context requiring Base64-encoded data.","failureModes":["Empty or missing input string returns an error","Malformed input schema returns a 400 bad request","Payment failure or insufficient USDC balance results in a 402 response","Very large inputs may be truncated or rejected","Network timeout from the Vercel-hosted endpoint"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call Base64 encoding operation without managing API keys or setting up a local encoding library — particularly useful inside AI agent workflows on Base that already use USDC micropayments via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:51:36.480Z","isFirstParty":false}