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ChatKit

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class ChatKitWorkflow:

Workflow metadata and state returned for the session.

id: str

Identifier of the workflow backing the session.

state_variables: Optional[Dict[str, Union[str, bool, float]]]

State variable key-value pairs applied when invoking the workflow. Defaults to null when no overrides were provided.

One of the following:
str
bool
float
tracing: Tracing

Tracing settings applied to the workflow.

enabled: bool

Indicates whether tracing is enabled.

version: Optional[str]

Specific workflow version used for the session. Defaults to null when using the latest deployment.

ChatKitSessions

Cancel chat session
beta.chatkit.sessions.cancel(strsession_id) -> ChatSession
POST/chatkit/sessions/{session_id}/cancel
Create ChatKit session
beta.chatkit.sessions.create(SessionCreateParams**kwargs) -> ChatSession
POST/chatkit/sessions

ChatKitThreads

List ChatKit thread items
beta.chatkit.threads.list_items(strthread_id, ThreadListItemsParams**kwargs) -> SyncConversationCursorPage[Data]
GET/chatkit/threads/{thread_id}/items
Retrieve ChatKit thread
beta.chatkit.threads.retrieve(strthread_id) -> ChatKitThread
GET/chatkit/threads/{thread_id}
Delete ChatKit thread
beta.chatkit.threads.delete(strthread_id) -> ThreadDeleteResponse
DELETE/chatkit/threads/{thread_id}
List ChatKit threads
beta.chatkit.threads.list(ThreadListParams**kwargs) -> SyncConversationCursorPage[ChatKitThread]
GET/chatkit/threads
ModelsExpand Collapse
class ChatSession:

Represents a ChatKit session and its resolved configuration.

id: str

Identifier for the ChatKit session.

chatkit_configuration: ChatSessionChatKitConfiguration

Resolved ChatKit feature configuration for the session.

client_secret: str

Ephemeral client secret that authenticates session requests.

expires_at: int

Unix timestamp (in seconds) for when the session expires.

max_requests_per_1_minute: int

Convenience copy of the per-minute request limit.

object: Literal["chatkit.session"]

Type discriminator that is always chatkit.session.

Resolved rate limit values.

Current lifecycle state of the session.

user: str

User identifier associated with the session.

workflow: ChatKitWorkflow

Workflow metadata for the session.

class ChatSessionAutomaticThreadTitling:

Automatic thread title preferences for the session.

enabled: bool

Whether automatic thread titling is enabled.

class ChatSessionChatKitConfiguration:

ChatKit configuration for the session.

automatic_thread_titling: ChatSessionAutomaticThreadTitling

Automatic thread titling preferences.

Upload settings for the session.

History retention configuration.

class ChatSessionChatKitConfigurationParam:

Optional per-session configuration settings for ChatKit behavior.

automatic_thread_titling: Optional[AutomaticThreadTitling]

Configuration for automatic thread titling. When omitted, automatic thread titling is enabled by default.

enabled: Optional[bool]

Enable automatic thread title generation. Defaults to true.

file_upload: Optional[FileUpload]

Configuration for upload enablement and limits. When omitted, uploads are disabled by default (max_files 10, max_file_size 512 MB).

enabled: Optional[bool]

Enable uploads for this session. Defaults to false.

max_file_size: Optional[int]

Maximum size in megabytes for each uploaded file. Defaults to 512 MB, which is the maximum allowable size.

maximum512
minimum1
max_files: Optional[int]

Maximum number of files that can be uploaded to the session. Defaults to 10.

minimum1
history: Optional[History]

Configuration for chat history retention. When omitted, history is enabled by default with no limit on recent_threads (null).

enabled: Optional[bool]

Enables chat users to access previous ChatKit threads. Defaults to true.

recent_threads: Optional[int]

Number of recent ChatKit threads users have access to. Defaults to unlimited when unset.

minimum1
class ChatSessionExpiresAfterParam:

Controls when the session expires relative to an anchor timestamp.

anchor: Literal["created_at"]

Base timestamp used to calculate expiration. Currently fixed to created_at.

seconds: int

Number of seconds after the anchor when the session expires.

maximum600
minimum1
class ChatSessionFileUpload:

Upload permissions and limits applied to the session.

enabled: bool

Indicates if uploads are enabled for the session.

max_file_size: Optional[int]

Maximum upload size in megabytes.

max_files: Optional[int]

Maximum number of uploads allowed during the session.

class ChatSessionHistory:

History retention preferences returned for the session.

enabled: bool

Indicates if chat history is persisted for the session.

recent_threads: Optional[int]

Number of prior threads surfaced in history views. Defaults to null when all history is retained.

class ChatSessionRateLimits:

Active per-minute request limit for the session.

max_requests_per_1_minute: int

Maximum allowed requests per one-minute window.

class ChatSessionRateLimitsParam:

Controls request rate limits for the session.

max_requests_per_1_minute: Optional[int]

Maximum number of requests allowed per minute for the session. Defaults to 10.

minimum1
Literal["active", "expired", "cancelled"]
One of the following:
"active"
"expired"
"cancelled"
class ChatSessionWorkflowParam:

Workflow reference and overrides applied to the chat session.

id: str

Identifier for the workflow invoked by the session.

state_variables: Optional[Dict[str, Union[str, bool, float]]]

State variables forwarded to the workflow. Keys may be up to 64 characters, values must be primitive types, and the map defaults to an empty object.

One of the following:
str
bool
float
tracing: Optional[Tracing]

Optional tracing overrides for the workflow invocation. When omitted, tracing is enabled by default.

enabled: Optional[bool]

Whether tracing is enabled during the session. Defaults to true.

version: Optional[str]

Specific workflow version to run. Defaults to the latest deployed version.

class ChatKitAttachment:

Attachment metadata included on thread items.

id: str

Identifier for the attachment.

mime_type: str

MIME type of the attachment.

name: str

Original display name for the attachment.

preview_url: Optional[str]

Preview URL for rendering the attachment inline.

type: Literal["image", "file"]

Attachment discriminator.

One of the following:
"image"
"file"
class ChatKitResponseOutputText:

Assistant response text accompanied by optional annotations.

annotations: List[Annotation]

Ordered list of annotations attached to the response text.

One of the following:
class AnnotationFile:

Annotation that references an uploaded file.

source: AnnotationFileSource

File attachment referenced by the annotation.

filename: str

Filename referenced by the annotation.

type: Literal["file"]

Type discriminator that is always file.

type: Literal["file"]

Type discriminator that is always file for this annotation.

class AnnotationURL:

Annotation that references a URL.

source: AnnotationURLSource

URL referenced by the annotation.

type: Literal["url"]

Type discriminator that is always url.

url: str

URL referenced by the annotation.

type: Literal["url"]

Type discriminator that is always url for this annotation.

text: str

Assistant generated text.

type: Literal["output_text"]

Type discriminator that is always output_text.

class ChatKitThread:

Represents a ChatKit thread and its current status.

id: str

Identifier of the thread.

created_at: int

Unix timestamp (in seconds) for when the thread was created.

object: Literal["chatkit.thread"]

Type discriminator that is always chatkit.thread.

status: Status

Current status for the thread. Defaults to active for newly created threads.

One of the following:
class StatusActive:

Indicates that a thread is active.

type: Literal["active"]

Status discriminator that is always active.

class StatusLocked:

Indicates that a thread is locked and cannot accept new input.

reason: Optional[str]

Reason that the thread was locked. Defaults to null when no reason is recorded.

type: Literal["locked"]

Status discriminator that is always locked.

class StatusClosed:

Indicates that a thread has been closed.

reason: Optional[str]

Reason that the thread was closed. Defaults to null when no reason is recorded.

type: Literal["closed"]

Status discriminator that is always closed.

title: Optional[str]

Optional human-readable title for the thread. Defaults to null when no title has been generated.

user: str

Free-form string that identifies your end user who owns the thread.

class ChatKitThreadAssistantMessageItem:

Assistant-authored message within a thread.

id: str

Identifier of the thread item.

Ordered assistant response segments.

annotations: List[Annotation]

Ordered list of annotations attached to the response text.

One of the following:
class AnnotationFile:

Annotation that references an uploaded file.

source: AnnotationFileSource

File attachment referenced by the annotation.

filename: str

Filename referenced by the annotation.

type: Literal["file"]

Type discriminator that is always file.

type: Literal["file"]

Type discriminator that is always file for this annotation.

class AnnotationURL:

Annotation that references a URL.

source: AnnotationURLSource

URL referenced by the annotation.

type: Literal["url"]

Type discriminator that is always url.

url: str

URL referenced by the annotation.

type: Literal["url"]

Type discriminator that is always url for this annotation.

text: str

Assistant generated text.

type: Literal["output_text"]

Type discriminator that is always output_text.

created_at: int

Unix timestamp (in seconds) for when the item was created.

object: Literal["chatkit.thread_item"]

Type discriminator that is always chatkit.thread_item.

thread_id: str

Identifier of the parent thread.

type: Literal["chatkit.assistant_message"]

Type discriminator that is always chatkit.assistant_message.

class ChatKitThreadItemList:

A paginated list of thread items rendered for the ChatKit API.

data: List[Data]

A list of items

One of the following:
class ChatKitThreadUserMessageItem:

User-authored messages within a thread.

id: str

Identifier of the thread item.

attachments: List[ChatKitAttachment]

Attachments associated with the user message. Defaults to an empty list.

id: str

Identifier for the attachment.

mime_type: str

MIME type of the attachment.

name: str

Original display name for the attachment.

preview_url: Optional[str]

Preview URL for rendering the attachment inline.

type: Literal["image", "file"]

Attachment discriminator.

One of the following:
"image"
"file"
content: List[Content]

Ordered content elements supplied by the user.

One of the following:
class ContentInputText:

Text block that a user contributed to the thread.

text: str

Plain-text content supplied by the user.

type: Literal["input_text"]

Type discriminator that is always input_text.

class ContentQuotedText:

Quoted snippet that the user referenced in their message.

text: str

Quoted text content.

type: Literal["quoted_text"]

Type discriminator that is always quoted_text.

created_at: int

Unix timestamp (in seconds) for when the item was created.

inference_options: Optional[InferenceOptions]

Inference overrides applied to the message. Defaults to null when unset.

model: Optional[str]

Model name that generated the response. Defaults to null when using the session default.

tool_choice: Optional[InferenceOptionsToolChoice]

Preferred tool to invoke. Defaults to null when ChatKit should auto-select.

id: str

Identifier of the requested tool.

object: Literal["chatkit.thread_item"]

Type discriminator that is always chatkit.thread_item.

thread_id: str

Identifier of the parent thread.

type: Literal["chatkit.user_message"]
class ChatKitThreadAssistantMessageItem:

Assistant-authored message within a thread.

id: str

Identifier of the thread item.

Ordered assistant response segments.

annotations: List[Annotation]

Ordered list of annotations attached to the response text.

One of the following:
class AnnotationFile:

Annotation that references an uploaded file.

source: AnnotationFileSource

File attachment referenced by the annotation.

filename: str

Filename referenced by the annotation.

type: Literal["file"]

Type discriminator that is always file.

type: Literal["file"]

Type discriminator that is always file for this annotation.

class AnnotationURL:

Annotation that references a URL.

source: AnnotationURLSource

URL referenced by the annotation.

type: Literal["url"]

Type discriminator that is always url.

url: str

URL referenced by the annotation.

type: Literal["url"]

Type discriminator that is always url for this annotation.

text: str

Assistant generated text.

type: Literal["output_text"]

Type discriminator that is always output_text.

created_at: int

Unix timestamp (in seconds) for when the item was created.

object: Literal["chatkit.thread_item"]

Type discriminator that is always chatkit.thread_item.

thread_id: str

Identifier of the parent thread.

type: Literal["chatkit.assistant_message"]

Type discriminator that is always chatkit.assistant_message.

class ChatKitWidgetItem:

Thread item that renders a widget payload.

id: str

Identifier of the thread item.

created_at: int

Unix timestamp (in seconds) for when the item was created.

object: Literal["chatkit.thread_item"]

Type discriminator that is always chatkit.thread_item.

thread_id: str

Identifier of the parent thread.

type: Literal["chatkit.widget"]

Type discriminator that is always chatkit.widget.

widget: str

Serialized widget payload rendered in the UI.

class DataChatKitClientToolCall:

Record of a client side tool invocation initiated by the assistant.

id: str

Identifier of the thread item.

arguments: str

JSON-encoded arguments that were sent to the tool.

call_id: str

Identifier for the client tool call.

created_at: int

Unix timestamp (in seconds) for when the item was created.

name: str

Tool name that was invoked.

object: Literal["chatkit.thread_item"]

Type discriminator that is always chatkit.thread_item.

output: Optional[str]

JSON-encoded output captured from the tool. Defaults to null while execution is in progress.

status: Literal["in_progress", "completed"]

Execution status for the tool call.

One of the following:
"in_progress"
"completed"
thread_id: str

Identifier of the parent thread.

type: Literal["chatkit.client_tool_call"]

Type discriminator that is always chatkit.client_tool_call.

class DataChatKitTask:

Task emitted by the workflow to show progress and status updates.

id: str

Identifier of the thread item.

created_at: int

Unix timestamp (in seconds) for when the item was created.

heading: Optional[str]

Optional heading for the task. Defaults to null when not provided.

object: Literal["chatkit.thread_item"]

Type discriminator that is always chatkit.thread_item.

summary: Optional[str]

Optional summary that describes the task. Defaults to null when omitted.

task_type: Literal["custom", "thought"]

Subtype for the task.

One of the following:
"custom"
"thought"
thread_id: str

Identifier of the parent thread.

type: Literal["chatkit.task"]

Type discriminator that is always chatkit.task.

class DataChatKitTaskGroup:

Collection of workflow tasks grouped together in the thread.

id: str

Identifier of the thread item.

created_at: int

Unix timestamp (in seconds) for when the item was created.

object: Literal["chatkit.thread_item"]

Type discriminator that is always chatkit.thread_item.

tasks: List[DataChatKitTaskGroupTask]

Tasks included in the group.

heading: Optional[str]

Optional heading for the grouped task. Defaults to null when not provided.

summary: Optional[str]

Optional summary that describes the grouped task. Defaults to null when omitted.

type: Literal["custom", "thought"]

Subtype for the grouped task.

One of the following:
"custom"
"thought"
thread_id: str

Identifier of the parent thread.

type: Literal["chatkit.task_group"]

Type discriminator that is always chatkit.task_group.

first_id: Optional[str]

The ID of the first item in the list.

has_more: bool

Whether there are more items available.

last_id: Optional[str]

The ID of the last item in the list.

object: Literal["list"]

The type of object returned, must be list.

class ChatKitThreadUserMessageItem:

User-authored messages within a thread.

id: str

Identifier of the thread item.

attachments: List[ChatKitAttachment]

Attachments associated with the user message. Defaults to an empty list.

id: str

Identifier for the attachment.

mime_type: str

MIME type of the attachment.

name: str

Original display name for the attachment.

preview_url: Optional[str]

Preview URL for rendering the attachment inline.

type: Literal["image", "file"]

Attachment discriminator.

One of the following:
"image"
"file"
content: List[Content]

Ordered content elements supplied by the user.

One of the following:
class ContentInputText:

Text block that a user contributed to the thread.

text: str

Plain-text content supplied by the user.

type: Literal["input_text"]

Type discriminator that is always input_text.

class ContentQuotedText:

Quoted snippet that the user referenced in their message.

text: str

Quoted text content.

type: Literal["quoted_text"]

Type discriminator that is always quoted_text.

created_at: int

Unix timestamp (in seconds) for when the item was created.

inference_options: Optional[InferenceOptions]

Inference overrides applied to the message. Defaults to null when unset.

model: Optional[str]

Model name that generated the response. Defaults to null when using the session default.

tool_choice: Optional[InferenceOptionsToolChoice]

Preferred tool to invoke. Defaults to null when ChatKit should auto-select.

id: str

Identifier of the requested tool.

object: Literal["chatkit.thread_item"]

Type discriminator that is always chatkit.thread_item.

thread_id: str

Identifier of the parent thread.

type: Literal["chatkit.user_message"]
class ChatKitWidgetItem:

Thread item that renders a widget payload.

id: str

Identifier of the thread item.

created_at: int

Unix timestamp (in seconds) for when the item was created.

object: Literal["chatkit.thread_item"]

Type discriminator that is always chatkit.thread_item.

thread_id: str

Identifier of the parent thread.

type: Literal["chatkit.widget"]

Type discriminator that is always chatkit.widget.

widget: str

Serialized widget payload rendered in the UI.