{"uid":"cap_DLP1ZS5bQutm9i5ozwHgc","slug":"synapse-ai-text-rewriter-e1aefe6f","name":"Synapse AI Text Rewriter","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/ai-rewrite?utm_source=zero.xyz","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"tone":"formal","original":"...","rewritten":"..."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6SYi69_T63_cQqsu4_RaG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Rewrites or paraphrases input text with a specified tone (e.g. formal) using AI, paid per call in USDC via x402 on Base","exampleAgentPrompt":"Can you rewrite the following paragraph in a formal tone: 'Hey, just wanted to check in and see if you got my last message — let me know when you're free to chat!'","exampleUseCases":[{"title":"Formal email tone polish","prompt":"Rewrite this casual email draft in a formal tone so it's appropriate to send to a client: 'Hi! We wanted to reach out and see if you'd be down to meet sometime next week to go over the project stuff.'"},{"title":"Professional bio rewrite","prompt":"Take this informal bio I wrote and rewrite it to sound formal and professional: 'I'm a developer who loves building cool stuff and figuring out hard problems with my team.'"},{"title":"Customer message tone correction","prompt":"I need this support reply rewritten with a formal tone before I send it: 'Thanks so much for reaching out! We'll look into it ASAP and get back to you soon.'"}],"resultDescription":"A JSON object containing the original input text, the rewritten version with the requested tone applied, and a label confirming the tone used (e.g. {tone: 'formal', original: '...', rewritten: '...'})","failureModes":["Missing or malformed 'input' parameter returns a 400 error","Payment failure or insufficient USDC balance causes a 402 response before processing","Text too long or unsupported content may result in a processing error","Network issues with the duckdns.org host may cause timeouts or 503 errors"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-use text rewriting or tone-shifting capability with no account setup or API key — ideal for agents that need on-demand paraphrasing in a formal style via x402 micropayments on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:40.478Z","isFirstParty":false,"canonicalSlug":"synapse-ai-text-rewriter-e1aefe6f"}