import ssl
import httpx

ssl_transport = httpx.AsyncHTTPTransport(http2=True)

# Ограничения пула соединений
limits = httpx.Limits(max_connections=200, max_keepalive_connections=50)

# Таймауты
timeout = httpx.Timeout(connect=5.0, read=10.0, write=5.0, pool=5.0)

# Глобальный клиент
client = httpx.AsyncClient(
    transport=ssl_transport,
    limits=limits,
    timeout=timeout,
)