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Developer quickstarts

Understand the tone behind every message

Send text to one HTTPS endpoint and receive overall and sentence-level tone probabilities across 28 categories.

Read tone API docs JWT guides
  • 24 language guides
  • 28 tone categories
  • Bearer authentication
api.sapling.ai
POST /api/v1/tone 
{
  "text": "Will it be ready next week?"
}

→  { "overall": [[0.72, "curious", "🤓"]] }
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Tone checker quickstarts

Choose a language for secure setup instructions, sample code, and an example tone response.

24 languages

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