Python

uv add radion-sdk
# or: pip install radion-sdk

import asyncio
import os

from radion import Radion, Subscription


async def main() -> None:
    radion = Radion(api_key=os.getenv("RADION_API_KEY"))

    await radion.realtime.connect()
    await radion.realtime.subscribe(Subscription(id="trading", channel="trading"))

    @radion.realtime.on_channel("trading")
    async def handle(event):
        print(event.id, event.channel, event.data)

    await asyncio.sleep(60)
    await radion.realtime.close()


asyncio.run(main())

@radion.realtime.on_any_channel()
async def on_any(event):
    print(event.channel, event.data)


@radion.realtime.on_lifecycle("error")
def on_error(err):  # sync is fine too
    print(err)

from radion import RealtimeClient

client = RealtimeClient(api_key="sk_...")
await client.connect()