Kaiko Developer Platform

V2

Welcome to the Kaiko Developer Docs — your gateway to building emotionally intelligent AI systems. Kaiko provides an EQ+ layer that bridges LLMs and agents, enabling them to detect emotions, adapt responses, and maintain emotional memory across interactions.

What You Can Build

With Kaiko V2, you can:

Quick Start

1. Get an API Key from the Kaiko Console (format: kaiko_live_xxxxxxxxxxxxx)
2. Use the V2 base URL: https://api.kaikostudios.xyz/v2
3. Make your first V2 request:

curl -X POST https://api.kaikostudios.xyz/v2/emotions/analysis \
  -H "x-api-key: $KAIKO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "emotion-v2",
    "messages": [
      {
        "role": "user",
        "content": {"text": "I am so excited about this new project!"}
      }
    ]
  }'

{
  "object": "emotions.analysis",
  "model": "emotion-v2",
  "emotions": {
    "user": {
      "category": "joy",
      "intensity": 0.85,
      "intensityLevel": "high",
      "valence": 0.78,
      "arousal": 0.82,
      "complexity": "simple",
      "wonderIndex": 0.45,
      "discoveryLevel": "significant"
    }
  }
}

See Quickstart for more examples including chat completions with emotions.

Core APIs