Create a Dream Args: model: Model identifier and configuration applied to every pipeline stage. betas: Optional

Create a dict of type RequestOptions without keys of NotGiven values.

Interpolate {name} placeholders in `template` from keyword arguments. Args: template: The template string containing {name} placeholders.

Update Vault Args: display_name: Updated human-readable name for the vault. 1-255 characters. metadata: Metadat

Archive a Dream Args: betas: Optional header to specify the beta version(s) you want to use. extra_headers: Sen

Wrapper over `transform()` that allows `None` to be passed. See `transform()` for more details.

Test helper: lay out ``configs/<profile>.json`` and optionally ``credentials/<profile>.json`` under ``config_dir``. Accepts either the new ne

Wrapper over `async_transform()` that allows `None` to be passed. See `async_transform()` for more details.

Cancel a Dream Args: betas: Optional header to specify the beta version(s) you want to use. extra_headers: Send

Higher order function that takes one of our bound API methods and wraps it to support streaming and returning the raw `APIResponse` object directl

Higher order function that takes one of our bound API methods and wraps it to support streaming and returning the raw `APIResponse` object directl

Create a new client instance re-using the same options given to the current client with optional overriding.

Waits until the stream has been read to completion and returns the accumulated `Message` object.

Merge header mappings, with later mappings taking precedence on a key clash, exactly like `_merge_mappings`. The exception is the headers in

Run Deployment Now Args: betas: Optional header to specify the beta version(s) you want to use. extra_headers:

Convert a fixture file into a stream of bytes for testing.

Download File Args: file_id: ID of the File. betas: Optional header to specify the beta version(s) you want to

Read and return the binary response content.

Transforms a JSON schema to ensure it conforms to the API's expectations. Args: json_schema (Dict[str, Any]): The original JSON sche

Resolve a :class:`CredentialResult` from the environment per the credential-resolution spec. First match wins. Implements steps 2-5 of the sp

Return a valid bearer token, refreshing if necessary.

Loose coercion to the expected type with construction of nested values. If the given value does not match the expected type then it is returned a

Get a snapshot of directory contents with relative paths.

Count the number of tokens in a Message. The Token Count API can be used to count the number of tokens in a Message, includi

Recursively generate a dictionary representation of the model, optionally specifying which fields to include or exclude. By default, fields t

Convert a single MCP content block to an Anthropic content block. Handles text, image, and embedded resource content types. Raises :class:`Un

Determine whether to use SigV4 auth. Returns True for SigV4, False for API key. Auth precedence: 1. api_key constructor arg → API key mode

Iterate work items claimed from a self-hosted environment. Each yielded :class:`BetaSelfHostedWork` has already been ack'd. The ``work`` reso

Usage docs: https://docs.pydantic.dev/2.4/concepts/serialization/#modelmodel_dump Generate a dictionary representation of the model, opti

The user's allow/deny verdict for an ask-gated (``always_ask``) tool call.

Add two numbers.

Copy only the containers along the given paths. Used to guard against mutation by extract_files without copying the entire structure. Only di

Create a Message stream

Return a copy of ``client`` authenticated with ``auth_token`` as Bearer. The returned sub-client inherits the parent's full configuration via

Recursively extract files from the given dictionary based on specified paths. A path may look like this ['foo', 'files', '<array>', 'data'].

Insert text at a specific line number in a memory file.

Send Events Args: events: Events to send to the `session`. betas: Optional header to specify the beta version(s

Convert a synchronous iterator to an asynchronous one.

View the contents of a memory path.

Messages the middleware logged at ERROR — refusals surfaced rather than retried.

Serialize one event payload as an SSE frame (its `type` is the event name).

Resolve the API key. Returns None if using SigV4.

Rename or move a memory file or directory.

Resolve the base URL from constructor arg, env var, or region. Returns None if no base URL is resolvable (caller should raise).

Resolve the AWS region from constructor arg or env var. Does not silently default — returns None if no region is available.

Emit deprecation warning if output_format is provided.