# At least one provider API key is required.
# You can also enter keys directly in the UI (BYOK).

# --- AI Providers (pick one or more) ---
OPENROUTER_API_KEY=            # shared starter key (set in Railway and local .env)
ANTHROPIC_API_KEY=
OPENAI_API_KEY=
GOOGLE_GENERATIVE_AI_API_KEY=
XAI_API_KEY=
MISTRAL_API_KEY=
DEEPSEEK_API_KEY=
GROQ_API_KEY=
PERPLEXITY_API_KEY=
COHERE_API_KEY=
TOGETHER_AI_API_KEY=
FIREWORKS_API_KEY=
DEEPINFRA_API_KEY=
CEREBRAS_API_KEY=
MOONSHOT_API_KEY=
ALIBABA_API_KEY=

# Optional OpenRouter headers / guardrails
OPENROUTER_APP_URL=            # optional HTTP-Referer header for OpenRouter
OPENROUTER_APP_NAME=           # optional X-Title header for OpenRouter
OPENROUTER_STARTER_DISABLED=0  # set to 1 to disable shared starter access
OPENROUTER_STARTER_RATE_LIMIT=30
OPENROUTER_STARTER_WINDOW_MS=60000

# --- Share / Publish ---
DURABLE_STREAM_BASE_URL=    # defaults to https://stream.tonbo.dev
SHARE_ID_SECRET=            # secret for deriving stable share IDs