Models

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Supported interfaces

• POST /api/stealthify for synchronous generation or humanization.
• POST /api/stealthify/runs for asynchronous generation (rephrase: false) or humanization (rephrase: true), including PDF, DOCX, TXT, and MD uploads up to 4 MB.
• MCP humanize_text for asynchronous humanization from MCP clients.

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Usage

• For humanization, send only the source text in prompt (synchronous) or text (asynchronous). Do not add instructions such as “Humanize this.”
• qualityMode: "quality" is the default. Use "fast" for a single-pass rewrite.
• outputFormat accepts "text" or "markdown". All models accept multilingual source text.

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Synchronous

curl --request POST \
  --url 'https://www.stealthgpt.ai/api/stealthify' \
  --header 'api-token: YOUR_API_TOKEN' \
  --header 'Content-Type: application/json' \
  --data '{
    "prompt": "Source text to humanize.",
    "rephrase": true,
    "model": "super"
  }'

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Asynchronous

curl --request POST \
  --url 'https://www.stealthgpt.ai/api/stealthify/runs' \
  --header 'api-token: YOUR_API_TOKEN' \
  --header 'Content-Type: application/json' \
  --data '{
    "text": "Source text to humanize.",
    "model": "super"
  }'