> ## Documentation Index > Fetch the complete documentation index at: https://docs.cotool.ai/llms.txt > Use this file to discover all available pages before exploring further. # Update threat model > Save a user-edited threat model as a new version in the organization history. ## OpenAPI ````yaml https://app.cotool.ai/api/docs/openapi.json put /api/threat-model openapi: 3.1.0 info: title: Cotool API version: 1.0.0 description: >- The Cotool REST API. Authenticate with an API key from `/settings/api-keys` sent as `Authorization: Bearer `. Authentication, error formats, pagination, and common integration recipes are documented in the [API overview](https://docs.cotool.ai/api-reference/introduction). Endpoints marked **Deprecated** keep working; each one's description names its replacement. servers: - url: https://app.cotool.ai description: Production server security: - ApiKeyAuth: [] tags: - name: Agents description: Create, update, run, and version agents. - name: Agent Runs description: Inspect agent runs, submit feedback, and read evaluation metrics. - name: Agent Triggers description: Webhook, schedule, and integration triggers that start agent runs. - name: Agents as Code description: Validate agents and skills defined as YAML in a Git repository. - name: Skills description: Reusable instructions and tool grants attached to agents. - name: Chat description: Chat sessions and their transcripts. - name: Alerts description: Alert triage, routing, and escalation notifications. - name: Output Destinations description: Webhook, Slack, Jira, and Linear destinations for agent output. - name: Detections description: Detection agents, detection hits, and the Cotool detection library. - name: Hunt description: Autonomous hunt threats, gaps, and settings. - name: Intel description: Threat-intelligence feed items, indicators, and sources. - name: Threat Model description: The organization threat model and its version history. - name: MITRE Coverage description: MITRE ATT&CK coverage across detections. - name: Tools description: Connected tool integrations and captured tool output. - name: CLIs description: Connected CLI integrations. - name: Artifacts description: Files and reports produced by agent runs. - name: Audit Logs description: Organization audit log export and event catalog. - name: Users description: Users, memberships, and the current session. - name: Roles description: Role-based permissions. - name: Organizations description: Organization-level metrics. paths: /api/threat-model: put: tags: - Threat Model summary: Update threat model description: >- Save a user-edited threat model as a new version in the organization history. requestBody: content: application/json: schema: type: object properties: content: type: string minLength: 1 description: Updated full markdown content for the threat model changeDescription: type: - string - 'null' minLength: 1 maxLength: 255 description: Optional reason for the change required: - content responses: '200': description: Successful response content: application/json: schema: type: object properties: organizationId: type: string format: uuid description: Organization that owns this threat model currentVersion: type: object properties: id: type: string format: uuid description: Unique identifier for this threat model version version: type: integer exclusiveMinimum: 0 description: Monotonic version number isCurrent: type: boolean description: >- Whether this version is currently active for the organization authorType: type: string enum: - ai - user description: Whether this version was created by AI or a human authorId: type: - string - 'null' format: uuid description: >- User ID for human edits, or null for AI-authored versions modelAlias: type: - string - 'null' description: >- Model alias that produced this version, or null for human edits changeDescription: type: - string - 'null' description: Short description of why this version was created createdAt: type: string description: Timestamp when this version was created content: type: string description: Full markdown content for this threat model version required: - id - version - isCurrent - authorType - authorId - modelAlias - changeDescription - createdAt - content description: Current active version for the organization required: - organizationId - currentVersion '400': description: Bad request — input validation failed or the request was malformed content: application/json: schema: $ref: '#/components/schemas/ValidationError' '401': description: Unauthorized — missing or invalid API key / session content: application/json: schema: $ref: '#/components/schemas/Error' '403': description: Forbidden — the authenticated user lacks the required permissions content: application/json: schema: $ref: '#/components/schemas/PermissionError' '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/Error' x-codeSamples: - lang: shell label: cURL source: |- curl -X PUT "https://app.cotool.ai/api/threat-model" \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{"content":"string","changeDescription":"string"}' components: schemas: ValidationError: type: object properties: error: type: string description: Error message describing what went wrong issues: type: array description: >- Detailed validation issues, present when request or response schema validation fails items: type: object additionalProperties: true required: - error Error: type: object properties: error: type: string description: Error message describing what went wrong required: - error PermissionError: type: object properties: error: type: string description: Error message describing what went wrong missingPerms: type: array description: Permissions the authenticated user is missing for this operation items: type: string required: - error securitySchemes: ApiKeyAuth: type: http scheme: bearer bearerFormat: API Key description: >- API Key authentication for programmatic access. Include your API key in the Authorization header as: `Bearer your_api_key_here` ````