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2026 Node.js Summarize Text API Chat Completions Example for Support Answers

Short answer: for a support agent answering from a private knowledge base, the difficult part is not producing a shorter paragraph.

  • Use Node.js to implement API with chat completions for support answers
  • Specify contract in prompt and validate JSON output fields
  • Set temperature 0.3-0.5, use GPT-4o-mini, and handle rate limits

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