Return a UUID4 using the selected backend.

Accept ``redirect_uri`` when it is (a) same-origin with the proxy's own request origin, (b) loopback, (c) listed in the ``MCP_TRUSTED_REDIRECT

Generate a mock MCP server record from config.yaml

Returns -> Deployment or None Raise Exception -> if model found in invalid format Optimized with O(1) index lookup instead

- Check if user id in proxy User Table - if valid, return LiteLLM_UserTable object with defined limits - if not, then raise an error

Helper to checks if provided route is an OpenAI route Returns: - True: if route is an OpenAI route - False:

Return a urlsafe-base64 managed ID string (trailing ``=`` stripped).

Mint managed IDs for raw provider values listed in ``BUILTIN_OUTPUT_ID_FIELD_MAP`` and swap them into *body*. Returns the same *body* ob

Transform the image generation request to Gemini format For Gemini 2.5 Flash Image Preview, use the standard Gemini format with resp

Make sure each key starts with the given namespace

The same as `litellm.litellm_core_utils.token_counter`. Kept for backwards compatibility.

Transform the image generation response to the litellm image response

Decode *managed_id*. Returns ``None`` for anything that is not a passthrough managed ID — raw OpenAI IDs, unified-endpoint IDs, garbage,

Pseudo-destructor to be invoked to clean up global data structures when router is no longer used. For now, unhook router's callbacks

Flush the logging queue. Waits until every enqueued task has completed. ``queue.join()`` blocks on the queue's unfinished-task counte

Must return the base completion call args

Returns the provider config for a given provider. Uses O(1) dictionary lookup for fast provider resolution. Python classes t

Prints the given `print_statement` to the console if `litellm.set_verbose` is True. Also logs the `print_statement` at the debug level using

A short unique token per call/run, so concurrent runs and the shared response cache never collide on prompts, tags, or customer ids.

Use `/team/member_add` AND `/team/member/delete` to add/remove new team members You can now update team budget / rate limits via /team/updat

Normalize the endpoint URL for a specific OpenTelemetry signal type. The OTLP exporters expect endpoints to use signal-specific path

Attempt to acquire the lock for a specific cron job using Redis. Uses the SET command with NX and EX options to ensure atomicity.

Validate tool calls against the blocking service (fail-open).

Arize is used mainly for LLM I/O tracing, sending router+caching metrics adds bloat to arize logs

Returns -> Deployment or None Raise Exception -> if model found in invalid format

Return the prefix for a server. When the short-prefix mode is enabled (``LITELLM_USE_SHORT_MCP_TOOL_PREFIX``) a three-character base62 ID is

Converts a string to a boolean if it's a recognized boolean string. Returns None if the string is not a recognized boolean value. :param

Count the number of tokens in a given text using a specified model. Args: model (str): The name of the model to use for tokenization. De

Build a request-like object whose same-origin is ``base_url``. ``get_request_base_url`` defers to ``request.base_url`` unless the caller is a

[Non-Blocking] Safely get the request headers. Caches the result on request.state to avoid re-creating dict(request.headers) per call. W