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Inkbox AI Correspondence Generator
x402
Inkbox AI Correspondence Generator is a paid API for AI agents from xinkx402.netlify.app, paid per call via x402, $0.3/call, status unknown (last checked 2026-09-13).
Generates AI-drafted correspondence (emails, letters, messages) based on a stated purpose and optional tone.
Price / call$0.3
Success—
StatusUnknown
How this service works
Draft, rewrite, translate, and optimize written content. 25 AI-powered endpoints. Pay-per-call with USDC on Base.
Output
Returns a JSON object with a success flag and a data object containing the AI-generated correspondence text tailored to the specified purpose and tone.
Example use cases
Client invoice follow-up email
“Draft me a firm but polite email to send to a client who hasn't paid their invoice after 30 days — the purpose is to request immediate payment and outline next steps.”
Job application cover letter
“Write a professional and enthusiastic cover letter for me — the purpose is to apply for a senior marketing manager role at a tech startup, and I want the tone to be confident and personable.”
Customer apology correspondence
“Compose an apologetic and empathetic message for me — the purpose is to address a customer complaint about a delayed shipment and offer a discount as goodwill.”
Technical details
Endpoint
POSThttps://xinkx402.netlify.app/api/correspondenceWhen to prefer
Choose this endpoint when you need to quickly generate a written message, email, or letter for a specific purpose with a defined tone, especially in automated workflows where correspondence needs to be created at scale without human drafting time.
Side effects
- Missing required 'purpose' field returns a validation error
- Vague or ambiguous purpose may yield generic or off-target correspondence
- Very long or complex purpose descriptions may result in truncated output
- Invalid tone values may be ignored or cause unexpected formatting
- Service unavailability on the Netlify-hosted endpoint may return 5xx errors
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| tone | string | |
| purposerequired | string |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| data | object | |
| success | boolean |
Tags
x402
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