test_api.py

import httpx
import asyncio

async def test():
    async with httpx.AsyncClient(timeout=10.0) as client:
        r = await client.get('https://contract.mexc.com/api/v1/contract/ticker')
        print(f"Status: {r.status_code}")
        data = r.json()
        print(f"Success: {data.get('success')}")
        print(f"Data count: {len(data.get('data', []))}")
        if data.get('data'):
            print(f"First item: {data['data'][0].get('symbol')}")

asyncio.run(test())