List Messages Paginated
Query Parameters
older, newer JSON-encoded array of TaskMessageEntityFilter objects.
Schema: {
"$defs": {
"DataContentEntityOptional": {
"properties": {
"type": {
"anyOf": [
{
"const": "data",
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "The type of the message, in this case data.",
"title": "Type"
},
"author": {
"anyOf": [
{
"$ref": "#/$defs/MessageAuthor"
},
{
"type": "null"
}
],
"default": null,
"description": "The role of the messages author, in this case system, user, assistant, or tool."
},
"style": {
"anyOf": [
{
"$ref": "#/$defs/MessageStyle"
},
{
"type": "null"
}
],
"default": null,
"description": "The style of the message. This is used by the client to determine how to display the message."
},
"data": {
"anyOf": [
{
"additionalProperties": true,
"type": "object"
},
{
"type": "null"
}
],
"default": null,
"description": "The contents of the data message.",
"title": "Data"
}
},
"title": "DataContentEntityOptional",
"type": "object"
},
"FileAttachmentEntity": {
"description": "Represents a file attachment in messages.",
"properties": {
"file_id": {
"description": "The unique ID of the attached file",
"title": "File Id",
"type": "string"
},
"name": {
"description": "The name of the file",
"title": "Name",
"type": "string"
},
"size": {
"description": "The size of the file in bytes",
"title": "Size",
"type": "integer"
},
"type": {
"description": "The MIME type or content type of the file",
"title": "Type",
"type": "string"
}
},
"required": [
"file_id",
"name",
"size",
"type"
],
"title": "FileAttachmentEntity",
"type": "object"
},
"MessageAuthor": {
"enum": [
"user",
"agent"
],
"title": "MessageAuthor",
"type": "string"
},
"MessageStyle": {
"enum": [
"static",
"active"
],
"title": "MessageStyle",
"type": "string"
},
"ReasoningContentEntityOptional": {
"properties": {
"type": {
"anyOf": [
{
"const": "reasoning",
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "The type of the message, in this case reasoning.",
"title": "Type"
},
"author": {
"anyOf": [
{
"$ref": "#/$defs/MessageAuthor"
},
{
"type": "null"
}
],
"default": null,
"description": "The role of the messages author, in this case system, user, assistant, or tool."
},
"style": {
"anyOf": [
{
"$ref": "#/$defs/MessageStyle"
},
{
"type": "null"
}
],
"default": null,
"description": "The style of the message. This is used by the client to determine how to display the message."
},
"summary": {
"anyOf": [
{
"items": {
"type": "string"
},
"type": "array"
},
{
"type": "null"
}
],
"default": null,
"description": "A list of short reasoning summaries",
"title": "Summary"
},
"content": {
"anyOf": [
{
"items": {
"type": "string"
},
"type": "array"
},
{
"type": "null"
}
],
"default": null,
"description": "The reasoning content or chain-of-thought text",
"title": "Content"
}
},
"title": "ReasoningContentEntityOptional",
"type": "object"
},
"TextContentEntityOptional": {
"properties": {
"type": {
"anyOf": [
{
"const": "text",
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "The type of the message, in this case text.",
"title": "Type"
},
"author": {
"anyOf": [
{
"$ref": "#/$defs/MessageAuthor"
},
{
"type": "null"
}
],
"default": null,
"description": "The role of the messages author, in this case system, user, assistant, or tool."
},
"style": {
"anyOf": [
{
"$ref": "#/$defs/MessageStyle"
},
{
"type": "null"
}
],
"default": null,
"description": "The style of the message. This is used by the client to determine how to display the message."
},
"format": {
"anyOf": [
{
"$ref": "#/$defs/TextFormat"
},
{
"type": "null"
}
],
"default": null,
"description": "The format of the message. This is used by the client to determine how to display the message."
},
"content": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "The contents of the text message.",
"title": "Content"
},
"attachments": {
"anyOf": [
{
"items": {
"$ref": "#/$defs/FileAttachmentEntity"
},
"type": "array"
},
{
"type": "null"
}
],
"default": null,
"description": "Optional list of file attachments with structured metadata.",
"title": "Attachments"
}
},
"title": "TextContentEntityOptional",
"type": "object"
},
"TextFormat": {
"enum": [
"markdown",
"plain",
"code"
],
"title": "TextFormat",
"type": "string"
},
"ToolRequestContentEntityOptional": {
"properties": {
"type": {
"anyOf": [
{
"const": "tool_request",
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "The type of the message, in this case tool_request.",
"title": "Type"
},
"author": {
"anyOf": [
{
"$ref": "#/$defs/MessageAuthor"
},
{
"type": "null"
}
],
"default": null,
"description": "The role of the messages author, in this case system, user, assistant, or tool."
},
"style": {
"anyOf": [
{
"$ref": "#/$defs/MessageStyle"
},
{
"type": "null"
}
],
"default": null,
"description": "The style of the message. This is used by the client to determine how to display the message."
},
"tool_call_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "The ID of the tool call that is being requested.",
"title": "Tool Call Id"
},
"name": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "The name of the tool that is being requested.",
"title": "Name"
},
"arguments": {
"anyOf": [
{
"additionalProperties": true,
"type": "object"
},
{
"type": "null"
}
],
"default": null,
"description": "The arguments to the tool.",
"title": "Arguments"
}
},
"title": "ToolRequestContentEntityOptional",
"type": "object"
},
"ToolResponseContentEntityOptional": {
"properties": {
"type": {
"anyOf": [
{
"const": "tool_response",
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "The type of the message, in this case tool_response.",
"title": "Type"
},
"author": {
"anyOf": [
{
"$ref": "#/$defs/MessageAuthor"
},
{
"type": "null"
}
],
"default": null,
"description": "The role of the messages author, in this case system, user, assistant, or tool."
},
"style": {
"anyOf": [
{
"$ref": "#/$defs/MessageStyle"
},
{
"type": "null"
}
],
"default": null,
"description": "The style of the message. This is used by the client to determine how to display the message."
},
"tool_call_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "The ID of the tool call that is being responded to.",
"title": "Tool Call Id"
},
"name": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "The name of the tool that is being responded to.",
"title": "Name"
},
"content": {
"anyOf": [
{},
{
"type": "null"
}
],
"default": null,
"description": "The result of the tool.",
"title": "Content"
}
},
"title": "ToolResponseContentEntityOptional",
"type": "object"
}
},
"description": "Filter model for TaskMessage - all fields optional for flexible filtering.\n\nThe exclude field determines whether this filter is inclusionary or exclusionary.\nWhen multiple filters are provided:\n- Inclusionary filters (exclude=False) are OR'd together\n- Exclusionary filters (exclude=True) are OR'd together and negated with $nor\n- The two groups are AND'd: (include1 OR include2) AND NOT (exclude1 OR exclude2)",
"properties": {
"content": {
"anyOf": [
{
"$ref": "#/$defs/ToolRequestContentEntityOptional"
},
{
"$ref": "#/$defs/DataContentEntityOptional"
},
{
"$ref": "#/$defs/TextContentEntityOptional"
},
{
"$ref": "#/$defs/ToolResponseContentEntityOptional"
},
{
"$ref": "#/$defs/ReasoningContentEntityOptional"
},
{
"type": "null"
}
],
"default": null,
"description": "Filter by message content",
"title": "Content"
},
"streaming_status": {
"anyOf": [
{
"enum": [
"IN_PROGRESS",
"DONE"
],
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Filter by streaming status",
"title": "Streaming Status"
},
"exclude": {
"default": false,
"description": "If true, this filter excludes matching messages",
"title": "Exclude",
"type": "boolean"
}
},
"title": "TaskMessageEntityFilter",
"type": "object"
}
Each filter can include:
content: Filter by message content (type, author, data fields)streaming_status: Filter by status ("IN_PROGRESS" or "DONE")exclude: If true, excludes matching messages (default: false)
Multiple filters are combined: inclusionary filters (exclude=false) are OR'd together, exclusionary filters (exclude=true) are OR'd and negated, then both groups are AND'd.
The task ID