{"uid":"cap_kTYuEEUb7qrcR0Bsem6RK","slug":"inkbox-ai-correspondence-writer-44f3bcf3","name":"Inkbox AI Correspondence Writer","description":"Draft, rewrite, translate, and optimize written content. 25 AI-powered endpoints. Pay-per-call with USDC on Base.","url":"https://inkinbox402.netlify.app/api/correspondence","method":"POST","headers":{},"bodySchema":{"type":"object","required":["purpose"],"properties":{"tone":{"type":"string"},"purpose":{"type":"string"}}},"responseSchema":{"type":"object","properties":{"data":{"type":"object"},"success":{"type":"boolean"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.15","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":"$0.15/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yWh2BV5QFRi1G_7zIXJVz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.15","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Drafts AI-generated correspondence (letters, emails, or messages) given a purpose and optional tone","exampleAgentPrompt":"Draft me a professional correspondence with the purpose of requesting a refund for a defective product, and write it in a polite but firm tone.","exampleUseCases":[{"title":"Customer complaint letter generation","prompt":"Write me a formal complaint letter to send to a vendor about a late delivery, and make sure it sounds professional but frustrated."},{"title":"Job application cover letter","prompt":"Help me draft a cover letter for a marketing manager position at a tech startup, and keep the tone confident and enthusiastic."},{"title":"Business relationship follow-up","prompt":"Compose a friendly but professional thank-you email to a client after our initial meeting, and mention our next steps."}],"resultDescription":"Returns a JSON object with a success boolean and a data object containing the AI-generated correspondence text tailored to the specified purpose and tone.","failureModes":["Missing required 'purpose' field returns a 400 validation error","Payment not included or insufficient USDC triggers a 402 Payment Required response","Ambiguous or empty purpose may result in generic or low-quality output","Service unavailable on Netlify hosting returns a 503 error","Rate limiting or quota exhaustion may return a 429 Too Many Requests error"],"whenToPreferThis":"Choose this endpoint when you need to quickly generate a draft letter, email, or formal message for a specific purpose and want tone control. Best suited for agents automating correspondence workflows where pay-per-call USDC billing on Base is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:36:36.747Z","isFirstParty":false}