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Inkbox Shift Tone
x402
Inkbox Shift Tone is a paid API for AI agents from lastink.netlify.app, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-13).
Rewrites a piece of text to match a specified target tone (e.g. formal, casual, persuasive, empathetic)
Price / call$0.08
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 boolean and a data object containing the tone-shifted version of the input text, rewritten to match the specified target tone.
Example use cases
Example prompt
“Can you rewrite this paragraph in a more casual and friendly tone: 'We regret to inform you that your application was unsuccessful. We appreciate your interest in our organization and wish you success in your future endeavors.'”
Technical details
Endpoint
POSThttps://lastink.netlify.app/api/shift-toneWhen to prefer
Use this endpoint when you need to transform existing text to a different tone without changing its core meaning — for example, adapting corporate copy to a friendly brand voice, making a casual draft more professional, or tuning customer communications for empathy. Prefer this over a full rewrite endpoint when the content structure and facts should remain intact but the emotional register needs to change.
Side effects
- Missing required 'text' field returns validation error
- Missing required 'target_tone' field returns validation error
- Empty or very short text may produce low-quality output
- Ambiguous or unrecognized target_tone value may yield unexpected results
- Payment failure (402) if USDC balance is insufficient
- Rate limiting or service unavailability returns 5xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| textrequired | string | |
| target_tonerequired | string |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| data | object | |
| success | boolean |
Tags
x402
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