therizwan/flagshiprouter/flagshiprouter-tts

# 1) List models
curl $FLAGSHIPROUTER_URL/v1/models/tts | jq '.data[].id'
# 2) Per-model metadata (params, voicesUrl if voice-by-id)
curl "$FLAGSHIPROUTER_URL/v1/models/info?id=el/eleven_multilingual_v2"
# 3) List voices (elevenlabs, edge-tts, deepgram, inworld, local-device). Optional ?lang=vi
curl "$FLAGSHIPROUTER_URL/v1/audio/voices?provider=edge-tts&lang=vi" | jq '.data[].model'

curl -X POST "$FLAGSHIPROUTER_URL/v1/audio/speech" \
  -H "Authorization: Bearer $FLAGSHIPROUTER_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"openai/tts-1","input":"Hello world"}' \
  --output speech.mp3

import { writeFile } from "node:fs/promises";
const r = await fetch(`${process.env.FLAGSHIPROUTER_URL}/v1/audio/speech`, {
  method: "POST",
  headers: { "Authorization": `Bearer ${process.env.FLAGSHIPROUTER_KEY}`, "Content-Type": "application/json" },
  body: JSON.stringify({ model: "el/eleven_multilingual_v2", input: "Xin chào" }),
});
await writeFile("speech.mp3", Buffer.from(await r.arrayBuffer()));

{ "audio": "SUQzBAAAA...", "format": "mp3" }