# Inkbox Shift Tone

> Inkbox Shift Tone is a paid API for AI agents from 0ink.netlify.app, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-14).

Rewrites a piece of text to match a specified tone while preserving its original meaning

## Facts

- Endpoint: POST https://0ink.netlify.app/api/shift-tone
- Price: $0.08/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/inkbox-shift-tone-51aeab1f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_m5uIa-fxwgwXgoP3fp1-W

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability inkbox-shift-tone-51aeab1f -d '<json body>'
```

Example prompt: Rewrite this paragraph to have a friendly, conversational tone: 'We regret to inform you that your application did not meet our current requirements and will not be moving forward at this time.'

## When to prefer this

Use this endpoint when you need to adapt existing content to a specific emotional register or stylistic tone without rewriting from scratch — ideal for adjusting emails, blog posts, marketing copy, or customer messages to match a brand voice, audience, or communication goal.

## Known failure modes

- Missing required 'text' field returns validation error
- Missing required 'target_tone' field returns validation error
- Empty or very short text may produce poor or unchanged output
- Vague or unrecognized tone descriptors may yield inconsistent results
- Payment failure via x402 protocol returns 402 status
- Rate limiting or server overload returns 5xx error

## 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.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "text",
  "target_tone"
 ],
 "properties": {
  "text": {
   "type": "string"
  },
  "target_tone": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "data": {
   "type": "object"
  },
  "success": {
   "type": "boolean"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/inkbox-shift-tone-51aeab1f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from 0ink.netlify.app](https://www.zero.xyz/host/0ink.netlify.app/llms.txt)