Configuration

Config section: http
Env prefix: LEX_HTTP__
Config model: HTTPClientConfig

Top-level

Key	Type	Default	Env var	Description
pool	ConnectionPoolConfig	—	LEX_HTTP__POOL__*	Connection pool settings
proxy	str | None	None	LEX_HTTP__PROXY	HTTP/HTTPS proxy URL
trust_env	bool	True	LEX_HTTP__TRUST_ENV	Read proxy from env vars
cookie_jar	bool	True	LEX_HTTP__COOKIE_JAR	Enable in-memory cookie jar

ConnectionPoolConfig

Key	Type	Default	Env var	Description
max_connections	int	10	LEX_HTTP__POOL__MAX_CONNECTIONS	Total concurrent connections
max_keepalive_connections	int	5	LEX_HTTP__POOL__MAX_KEEPALIVE_CONNECTIONS	Keep-alive per host
max_connections_per_host	int	10	LEX_HTTP__POOL__MAX_CONNECTIONS_PER_HOST	Max per host
timeout	float	30.0	LEX_HTTP__POOL__TIMEOUT	Request timeout (seconds)
ttl_dns_cache	int	300	LEX_HTTP__POOL__TTL_DNS_CACHE	DNS cache TTL (seconds)
force_close	bool	False	LEX_HTTP__POOL__FORCE_CLOSE	Force-close connections after use

Example YAML

http:
  pool:
    max_connections: 50
    max_keepalive_connections: 20
    timeout: 10.0
    ttl_dns_cache: 60
  proxy: http://proxy.example.com:8080
  trust_env: true
  cookie_jar: true

Env var override form:

export LEX_HTTP__POOL__TIMEOUT=5.0
export LEX_HTTP__POOL__MAX_CONNECTIONS=100
export LEX_HTTP__PROXY=http://proxy.internal:8080