Developer Platform

The Rift, for developers.

Ship language intelligence into any product. Grammar detection, spaced repetition, subtitle segmentation, and voice synthesis in the five official CEO voices — all behind a clean REST + WebSocket API.

⚡

Sub-100ms

Edge inference on grammar and SRS calls.

🔑

OAuth 2.0

Bearer keys with scoped permissions.

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REST + WS

Streaming endpoints for voice + live subs.

📕

OpenAPI 3.1

Typed SDKs for TS, Python, Go, Swift.

Quickstart · Grammar detection

curl -X POST https://api.polyglottika.com/v1/grammar \
  -H "Authorization: Bearer $POLY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "language": "ja",
    "text": "この街は、夜になると別の言語で話し始める。",
    "explain_in": "en"
  }'

Voice · CEO speech synthesis

POST /v1/voice
{
  "voice": "kitsune-noa",
  "text": "一緒に勉強しましょう。",
  "format": "mp3",
  "emotion": "encouraging"
}

Endpoints

Method	Path	Purpose
POST	/v1/grammar	Break down a sentence: tokens, POS, honorifics, translation.
POST	/v1/voice	Synthesize speech in an official CEO voice.
POST	/v1/srs/review	Log a review outcome and get the next scheduled item.
GET	/v1/subtitles/segment	Segment subtitle files into scene-flashcard candidates.
GET	/v1/ceos	List available CEOs, voices, and localized names.

Get your API key

Free developer tier includes 5,000 requests/month. Paid tiers scale to millions.

Request access