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Inkbox AI Content Studio — Shift Tone
x402
Inkbox AI Content Studio — Shift Tone is a paid API for AI agents from xinkx402.netlify.app, paid per call via x402, $0.2/call, status unknown (last checked 2026-09-14).
Rewrites a piece of text to match a specified target tone (e.g. formal, casual, playful, empathetic) while preserving the original meaning.
Price / call$0.2
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 while preserving the original meaning and key information.
Example use cases
Humanizing corporate email responses
“This customer service reply sounds too cold and robotic — can you shift it to a friendly, empathetic tone? Here's the message: 'Your ticket has been logged. A representative will respond within 5 business days.'”
Making legal copy more approachable
“Can you rewrite this terms-of-service snippet in a casual, plain-language tone so everyday users actually understand it? The text is: 'The licensee agrees to indemnify and hold harmless the licensor from any claims arising from misuse of the licensed software.'”
Toning up pitch for investor audience
“I need this startup blurb rewritten in a more confident, authoritative tone for an investor deck — here's the current version: 'We kind of help small businesses manage their bookkeeping a bit better using some AI tools.'”
Technical details
Endpoint
POSThttps://xinkx402.netlify.app/api/shift-toneWhen to prefer
Choose this endpoint when you need to systematically adapt the voice or register of existing written content to a new audience or context — e.g. converting formal copy to casual, or making blunt text more empathetic — without changing the underlying facts or message. It is purpose-built for tone transformation as a single, atomic operation, making it more predictable and cheaper than asking a general-purpose LLM to rewrite content as part of a longer prompt chain. Best suited for short-to-medium passages where preserving meaning while changing delivery is the primary goal.
Side effects
- Missing required 'text' field returns a 400 validation error
- Missing required 'target_tone' field returns a 400 validation error
- Unrecognized or unsupported tone values may produce generic rewrites or errors
- Very long input texts may be truncated or cause timeouts
- Payment of 0.2 USDC on Base must be completed before the response is returned; failed payment returns 402
- Ambiguous or contradictory tone descriptors may produce inconsistent output quality
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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