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Tempest Retone — AI Tone Rewriter
x402
Tempest Retone — AI Tone Rewriter is a paid API for AI agents from tumpest.vercel.app, paid per call via x402, $0.2/call, status unknown (last checked 2026-09-15).
Rewrites a given text in a specified target tone (e.g. professional, casual, empathetic) while preserving the original meaning
Price / call$0.2
Success—
StatusUnknown
How this service works
Compose, rewrite, translate, and refine content at scale. 25 AI-powered endpoints. Pay-per-call with USDC on Tempo.
Output
A JSON object with a 'success' boolean and a 'data' object containing the retoned version of the input text adjusted to match the specified target tone
Example use cases
Example prompt
“Rewrite the following paragraph in a warm and empathetic tone: 'We regret to inform you that your application has not been successful at this time. We appreciate your interest in our company.'”
Technical details
Endpoint
POSThttps://tumpest.vercel.app/api/retoneWhen to prefer
Use this endpoint when you need to adapt existing text to a different emotional register or communication style without changing the underlying message. Ideal for adjusting customer communications, marketing copy, emails, or social media posts to fit different audiences or brand voices. Prefer this over a general rewrite endpoint when tone-shifting is the primary transformation goal.
Side effects
- Missing required 'text' field returns 400 error
- Missing required 'target_tone' field returns 400 error
- Empty or extremely short text may produce low-quality retoning
- Unrecognized or ambiguous tone descriptors may yield unexpected results
- Payment failure (USDC not delivered) returns 402 Payment Required
- Rate limiting or server overload may return 429 or 503
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| textrequired | string | Text to retone |
| target_tonerequired | string | Desired tone |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| data | object | |
| success | boolean |
Tags
x402
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