{
"openapi": "3.0.0",
"info": {
"title": "Counso API",
"version": "1.0.2",
"description": "API reference for Counso workspaces, Agents, conversations and data sources.",
"license": {
"name": "MIT",
"url": "https://opensource.org/licenses/MIT"
}
},
"servers": [
{
"url": "https://app.counso.ai",
"description": "Counso"
}
],
"paths": {
"/api/w/{wId}/assistant/conversations/{cId}/messages": {
"get": {
"summary": "List messages in a conversation",
"description": "Private session interface. Pages through the messages belonging to a selected conversation.",
"tags": [
"Private Messages"
],
"parameters": [
{
"in": "path",
"name": "wId",
"required": true,
"description": "ID of the workspace",
"schema": {
"type": "string"
}
},
{
"in": "path",
"name": "cId",
"required": true,
"description": "ID of the conversation",
"schema": {
"type": "string"
}
}
],
"security": [
{
"UserAccessToken": []
},
{
"BrowserSession": []
}
],
"responses": {
"200": {
"description": "Successfully retrieved messages",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"messages": {
"type": "array",
"items": {
"oneOf": [
{
"$ref": "#/components/schemas/PrivateUserMessage"
},
{
"$ref": "#/components/schemas/PrivateLightAgentMessage"
},
{
"$ref": "#/components/schemas/PrivateContentFragment"
}
]
}
},
"hasMore": {
"type": "boolean"
},
"lastValue": {
"type": "integer",
"nullable": true
}
}
}
}
}
},
"401": {
"description": "Unauthorized"
}
},
"x-counso-auth": "user"
}
}
},
"components": {
"securitySchemes": {
"WorkspaceApiKey": {
"type": "http",
"scheme": "bearer",
"description": "A workspace API key issued by this Counso deployment. Permissions and resource access are checked for each operation."
},
"UserAccessToken": {
"type": "http",
"scheme": "bearer",
"description": "A user OAuth access token issued for this Counso deployment. A workspace API key is not a substitute for a user token."
},
"BrowserSession": {
"type": "apiKey",
"in": "cookie",
"name": "workos_session",
"description": "The signed-in Counso browser session. External clients should use a user access token."
}
},
"schemas": {
"PrivateContentFragment": {
"type": "object",
"description": "A content fragment (file or content node attachment) in a conversation.",
"required": [
"type",
"sId",
"title",
"contentType",
"contentFragmentType"
],
"properties": {
"type": {
"type": "string",
"enum": [
"content_fragment"
]
},
"id": {
"type": "integer"
},
"sId": {
"type": "string"
},
"created": {
"type": "integer"
},
"visibility": {
"type": "string",
"enum": [
"visible",
"deleted"
]
},
"version": {
"type": "integer"
},
"rank": {
"type": "integer"
},
"title": {
"type": "string"
},
"contentType": {
"type": "string",
"description": "MIME type of the content"
},
"sourceUrl": {
"type": "string",
"nullable": true
},
"context": {
"type": "object",
"properties": {
"username": {
"type": "string",
"nullable": true
},
"fullName": {
"type": "string",
"nullable": true
},
"email": {
"type": "string",
"nullable": true
},
"profilePictureUrl": {
"type": "string",
"nullable": true
}
}
},
"contentFragmentId": {
"type": "string"
},
"contentFragmentVersion": {
"type": "string",
"enum": [
"superseded",
"latest"
]
},
"contentFragmentType": {
"type": "string",
"enum": [
"file",
"content_node"
],
"description": "Whether this is a file upload or a content node reference"
},
"expiredReason": {
"type": "string",
"nullable": true,
"enum": [
"data_source_deleted"
]
},
"fileId": {
"type": "string",
"nullable": true,
"description": "Present for file content fragments"
},
"path": {
"type": "string",
"nullable": true,
"description": "Path of this file inside the sandbox conversation mount."
},
"processedPath": {
"type": "string",
"nullable": true,
"description": "Path of the plain-text sibling of this file inside the sandbox conversation mount (e.g. an audio transcript), when it has one."
},
"skipFileProcessing": {
"type": "boolean",
"description": "Whether upload-time file processing was skipped."
},
"snippet": {
"type": "string",
"nullable": true
},
"textUrl": {
"type": "string",
"nullable": true
},
"textBytes": {
"type": "integer",
"nullable": true
},
"nodeId": {
"type": "string",
"nullable": true,
"description": "Present for content node fragments"
},
"nodeDataSourceViewId": {
"type": "string",
"nullable": true
}
}
},
"PrivateLightAgentMessage": {
"type": "object",
"description": "A lighter agent message used in paginated message list responses.",
"required": [
"type",
"sId",
"version",
"rank",
"status",
"parentMessageId",
"configuration"
],
"properties": {
"type": {
"type": "string",
"enum": [
"agent_message"
]
},
"sId": {
"type": "string"
},
"created": {
"type": "integer"
},
"completedTs": {
"type": "integer",
"nullable": true
},
"visibility": {
"type": "string",
"enum": [
"visible",
"deleted"
]
},
"version": {
"type": "integer"
},
"rank": {
"type": "integer"
},
"branchId": {
"type": "string",
"nullable": true,
"description": "Legacy, always null. Branches were removed."
},
"parentMessageId": {
"type": "string"
},
"parentAgentMessageId": {
"type": "string",
"nullable": true
},
"status": {
"type": "string",
"enum": [
"created",
"succeeded",
"failed",
"cancelled"
]
},
"content": {
"type": "string",
"nullable": true
},
"chainOfThought": {
"type": "string",
"nullable": true
},
"error": {
"type": "object",
"nullable": true,
"properties": {
"code": {
"type": "string"
},
"message": {
"type": "string"
},
"metadata": {
"type": "object",
"nullable": true
}
}
},
"configuration": {
"type": "object",
"description": "Minimal agent configuration info",
"properties": {
"sId": {
"type": "string"
},
"name": {
"type": "string"
},
"pictureUrl": {
"type": "string"
},
"status": {
"type": "string"
},
"canRead": {
"type": "boolean"
}
}
},
"citations": {
"type": "object",
"additionalProperties": {
"$ref": "#/components/schemas/PrivateCitation"
}
},
"generatedFiles": {
"type": "array",
"items": {
"type": "object",
"properties": {
"fileId": {
"type": "string",
"nullable": true,
"description": "Counso file id for DB-backed files, or null for path-backed files."
},
"filePath": {
"type": "string",
"description": "Canonical scoped path for path-backed files."
},
"title": {
"type": "string"
},
"contentType": {
"type": "string"
},
"publicUrl": {
"type": "string"
}
}
}
},
"richMentions": {
"type": "array",
"items": {
"$ref": "#/components/schemas/PrivateRichMentionWithStatus"
}
},
"completionDurationMs": {
"type": "integer",
"nullable": true
},
"costCredits": {
"type": "integer",
"nullable": true,
"description": "Cost of producing this agent message, in credits (intelligence + tool credits). Null when no billable usage is attributed to the message."
},
"subAgentCostCredits": {
"type": "number",
"nullable": true,
"description": "Aggregated credit cost of all sub-agents (run_agent / agent_handover) spawned recursively by this message. Computed only on single-message fetches. Null otherwise."
},
"resolvedModel": {
"type": "object",
"nullable": true,
"description": "Model triplet used to generate the message. Null when the agent ran its configured model (legacy).",
"properties": {
"providerId": {
"type": "string"
},
"modelId": {
"type": "string"
},
"reasoningEffort": {
"type": "string"
}
}
},
"modelResolutionMethod": {
"type": "string",
"nullable": true,
"enum": [
"agent",
"user",
"auto",
"auto_fast",
"auto_complex",
"fair_use_downgrade"
],
"description": "How resolvedModel was chosen - agent (configured model), user (per-message picker), auto/auto_fast/auto_complex (routed through a model stream), or fair_use_downgrade (premium allowance spent, ran the Standard stream instead). Null (legacy)."
},
"activitySteps": {
"type": "array",
"items": {
"type": "object",
"properties": {
"type": {
"type": "string",
"enum": [
"thinking",
"action"
]
},
"content": {
"type": "string",
"description": "Chain of thought text (thinking steps only)"
},
"label": {
"type": "string",
"description": "Action display label (action steps only)"
},
"id": {
"type": "string"
},
"actionId": {
"type": "string",
"description": "Action string identifier (action steps only)"
}
}
}
},
"reactions": {
"type": "array",
"items": {
"$ref": "#/components/schemas/PrivateReaction"
}
}
}
},
"PrivateCitation": {
"type": "object",
"properties": {
"title": {
"type": "string"
},
"description": {
"type": "string"
},
"href": {
"type": "string"
},
"provider": {
"type": "string"
},
"contentType": {
"type": "string"
}
}
},
"PrivateReaction": {
"type": "object",
"description": "A reaction on a message.",
"required": [
"emoji",
"users"
],
"properties": {
"emoji": {
"type": "string"
},
"users": {
"type": "array",
"items": {
"type": "object",
"properties": {
"userId": {
"type": "string",
"nullable": true
},
"username": {
"type": "string"
},
"fullName": {
"type": "string",
"nullable": true
}
}
}
}
}
},
"PrivateRichMentionWithStatus": {
"type": "object",
"description": "A rich mention with approval status, used in message responses.",
"required": [
"id",
"type",
"label",
"pictureUrl",
"description",
"dismissed",
"status"
],
"properties": {
"id": {
"type": "string"
},
"type": {
"type": "string",
"enum": [
"agent",
"user"
]
},
"label": {
"type": "string"
},
"pictureUrl": {
"type": "string"
},
"description": {
"type": "string"
},
"userFavorite": {
"type": "boolean"
},
"dismissed": {
"type": "boolean"
},
"status": {
"type": "string",
"enum": [
"pending_conversation_access",
"pending_project_membership",
"approved",
"rejected",
"user_restricted_by_conversation_access",
"agent_restricted_by_space_usage"
]
}
}
},
"PrivateUserMessage": {
"type": "object",
"description": "A user message in a conversation.",
"required": [
"type",
"sId",
"content",
"version",
"rank",
"created"
],
"properties": {
"id": {
"type": "integer"
},
"type": {
"type": "string",
"enum": [
"user_message"
]
},
"sId": {
"type": "string"
},
"created": {
"type": "integer"
},
"visibility": {
"type": "string",
"enum": [
"visible",
"deleted"
]
},
"version": {
"type": "integer"
},
"rank": {
"type": "integer"
},
"branchId": {
"type": "string",
"nullable": true,
"description": "Legacy, always null. Branches were removed."
},
"user": {
"type": "object",
"nullable": true,
"description": "The user who sent the message",
"properties": {
"sId": {
"type": "string"
},
"username": {
"type": "string"
},
"fullName": {
"type": "string"
},
"image": {
"type": "string",
"nullable": true
}
}
},
"mentions": {
"type": "array",
"items": {
"$ref": "#/components/schemas/PrivateMention"
}
},
"richMentions": {
"type": "array",
"items": {
"$ref": "#/components/schemas/PrivateRichMentionWithStatus"
}
},
"content": {
"type": "string"
},
"context": {
"$ref": "#/components/schemas/PrivateUserMessageContext"
},
"reactions": {
"type": "array",
"items": {
"$ref": "#/components/schemas/PrivateReaction"
}
}
}
},
"PrivateMention": {
"type": "object",
"description": "A mention in a message (agent or user).",
"properties": {
"configurationId": {
"type": "string",
"description": "Agent configuration sId (for agent mentions)"
},
"type": {
"type": "string",
"enum": [
"user"
],
"description": "Present only for user mentions"
},
"userId": {
"type": "string",
"description": "User sId (for user mentions)"
}
}
},
"PrivateUserMessageContext": {
"type": "object",
"description": "Context metadata for a user message.",
"required": [
"username",
"timezone",
"origin"
],
"properties": {
"username": {
"type": "string"
},
"fullName": {
"type": "string",
"nullable": true
},
"email": {
"type": "string",
"nullable": true
},
"profilePictureUrl": {
"type": "string",
"nullable": true
},
"timezone": {
"type": "string"
},
"origin": {
"type": "string",
"enum": [
"web",
"project_kickoff",
"extension",
"agent_sidekick",
"analytics_panel",
"api",
"cli",
"cli_programmatic",
"email",
"excel",
"gsheet",
"make",
"n8n",
"powerpoint",
"raycast",
"slack",
"slack_workflow",
"teams",
"transcript",
"triggered_programmatic",
"triggered",
"wakeup",
"zapier",
"zendesk",
"onboarding_conversation"
]
},
"selectedSpaceIds": {
"type": "array",
"items": {
"type": "string"
}
}
}
}
}
}
}
