litellm-rust 0.3.0

Minimal Rust SDK port of LiteLLM – unified interface for chat, embeddings, images, and video across OpenAI-compatible, Anthropic, Gemini, and xAI providers
Documentation 
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use std::collections::HashMap;

#[derive(Debug, Clone, Default)]
pub struct Config {
    pub default_provider: Option<String>,
    pub providers: HashMap<String, ProviderConfig>,
}

#[derive(Debug, Clone, Default)]
pub struct ProviderConfig {
    pub base_url: Option<String>,
    pub api_key_env: Option<String>,
    pub api_key: Option<String>,
    pub kind: ProviderKind,
    pub no_auth: bool,
    pub extra_headers: HashMap<String, String>,
}

#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub enum ProviderKind {
    #[default]
    OpenAICompatible,
    Anthropic,
    Gemini,
}

impl ProviderConfig {
    pub fn with_base_url(mut self, base: impl Into<String>) -> Self {
        self.base_url = Some(base.into());
        self
    }

    pub fn with_api_key_env(mut self, env: impl Into<String>) -> Self {
        self.api_key_env = Some(env.into());
        self
    }

    pub fn with_api_key(mut self, key: impl Into<String>) -> Self {
        self.api_key = Some(key.into());
        self
    }

    pub fn with_kind(mut self, kind: ProviderKind) -> Self {
        self.kind = kind;
        self
    }

    pub fn with_no_auth(mut self, no_auth: bool) -> Self {
        self.no_auth = no_auth;
        self
    }

    pub fn with_header(mut self, key: impl Into<String>, value: impl Into<String>) -> Self {
        self.extra_headers.insert(key.into(), value.into());
        self
    }
}