> ## 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 alert severity > Update an alert severity and append a severity-change timeline entry. ## OpenAPI ````yaml https://app.cotool.ai/api/docs/openapi.json post /api/alerts/{alertId}/severity openapi: 3.1.0 info: title: Cotool API version: 1.0.0 description: >- # Cotool API Documentation The Cotool API allows you to interact with the Cotool platform programmatically, enabling you to build powerful integrations and automate your workflows. ## Getting an API Key Follow these steps to generate your API key: 1. **Log in** to the Cotool web interface 2. **Navigate** to `/settings/api-keys` 3. **Click** "Generate Key" 4. **Copy and store** your API key securely ⚠️ *It won't be shown again* ## API Key Authentication For programmatic access and integrations, use your API key with the Authorization header: ```http Authorization: Bearer your_api_key_here ``` ```bash curl -X GET "https://app.cotool.ai/api/endpoint" \ -H "Authorization: Bearer your_api_key_here" \ -H "Content-Type: application/json" ``` servers: - url: https://app.cotool.ai description: Production server security: - ApiKeyAuth: [] paths: /api/alerts/{alertId}/severity: post: tags: - Alerts summary: Update alert severity description: Update an alert severity and append a severity-change timeline entry. parameters: - in: path name: alertId description: Alert UUID or human-readable display ID schema: type: string description: Alert UUID or human-readable display ID required: true requestBody: content: application/json: schema: type: object properties: severity: type: string enum: - low - medium - high - critical description: New alert severity reason: type: string minLength: 1 maxLength: 2000 description: Optional reason for the severity change required: - severity responses: '200': description: Successful response content: application/json: schema: type: object properties: alert: type: object properties: id: type: string format: uuid description: Internal alert identifier displayId: type: string pattern: ^COT-\d+$ description: Human-readable alert identifier organizationId: type: string format: uuid description: Organization that owns the alert organizationName: type: string minLength: 1 description: URL-safe organization name used in durable alert paths title: type: string minLength: 1 description: Human-readable alert title description: type: - string - 'null' description: Markdown summary or details for the alert severity: type: - string - 'null' enum: - low - medium - high - critical - null description: Alert severity when known status: type: string enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign description: >- Lifecycle status for a first-class alert. Terminal closed statuses include final disposition. source: type: object properties: category: type: string enum: - detection - trigger - hunting description: >- Broad alert source category. Hunting is reserved for future threat-intel exposure alerts. name: type: string enum: - cotool_detection - hunting - jira - jira-automation - slack - linear - cron - webhook - email - bugcrowd - hackerone description: >- Filter-oriented alert source name. Trigger-created alerts use the trigger type. triggerType: type: - string - 'null' enum: - jira - jira-automation - slack - linear - cron - webhook - email - bugcrowd - hackerone - null description: Trigger source when category is trigger required: - category - name - triggerType description: Filter-oriented source attribution for an alert. detection: type: - object - 'null' properties: id: type: - string - 'null' format: uuid description: Cotool detection identifier when known agentId: type: - string - 'null' format: uuid description: Cotool detection agent identifier when known name: type: string minLength: 1 description: Detection display name kind: type: string enum: - cotool - external description: >- Whether this detection attribution is internal or extracted required: - id - agentId - name - kind description: Detection attribution for the alert, when known. createdBy: type: string enum: - agent - trigger - system description: Actor class that created the alert. originAgentId: type: - string - 'null' format: uuid description: Agent that produced or owns the source flow originTriggerId: type: - string - 'null' format: uuid description: >- Trigger that created this alert, when source is an external trigger originRunId: type: - string - 'null' format: uuid description: Run that minted the alert, stored as chats.id originDetectionHitId: type: - string - 'null' format: uuid description: >- Detection hit that produced this alert, when applicable externalProvider: type: - string - 'null' enum: - jira - jira-automation - slack - linear - cron - webhook - email - bugcrowd - hackerone - null description: >- External trigger provider such as jira, linear, email, or webhook externalRef: type: - string - 'null' description: >- Provider-native event, ticket, message, or alert identifier externalUrl: type: - string - 'null' format: uri description: Provider-native URL for the originating object assignedAgentId: type: - string - 'null' format: uuid description: Response agent currently assigned to triage this alert triageRunId: type: - string - 'null' format: uuid description: >- Latest response-agent triage run for this alert, stored as chats.id dedupeKey: type: - string - 'null' description: Stable key used for idempotent alert creation createdAt: type: string description: ISO timestamp when the alert was created updatedAt: type: string description: ISO timestamp when the alert was last updated firstTriagedAt: type: - string - 'null' description: ISO timestamp when triage first started resolvedAt: type: - string - 'null' description: >- ISO timestamp when the alert reached a terminal closed status required: - id - displayId - organizationId - organizationName - title - description - severity - status - source - detection - createdBy - originAgentId - originTriggerId - originRunId - originDetectionHitId - externalProvider - externalRef - externalUrl - assignedAgentId - triageRunId - dedupeKey - createdAt - updatedAt - firstTriagedAt - resolvedAt entry: oneOf: - type: object properties: id: type: string format: uuid description: Timeline entry identifier organizationId: type: string format: uuid description: Organization that owns the timeline entry alertId: type: string format: uuid description: Alert this entry belongs to createdAt: type: string description: ISO timestamp when the entry was created actorType: type: string enum: - human - agent - system description: Actor class responsible for a timeline entry. actorUserId: type: - string - 'null' format: uuid description: Human actor user id, when actorType is human actorAgentId: type: - string - 'null' format: uuid description: Agent actor id, when actorType is agent actorRunId: type: - string - 'null' format: uuid description: Run responsible for this entry, stored as chats.id actorUserName: type: - string - 'null' description: >- Resolved display name for a human actor, hydrated for rendering actorUserImageUrl: type: - string - 'null' description: >- Resolved avatar image URL for a human actor, when one is available actorAgentName: type: - string - 'null' description: >- Resolved display name for an agent actor or referenced assigned agent kind: type: string const: created bodyMarkdown: type: - string - 'null' description: Timeline body, when this entry has prose content beforeStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status before a status transition afterStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status after a status transition metadata: type: object properties: source: type: object properties: category: type: string enum: - detection - trigger - hunting description: >- Broad alert source category. Hunting is reserved for future threat-intel exposure alerts. name: type: string enum: - cotool_detection - hunting - jira - jira-automation - slack - linear - cron - webhook - email - bugcrowd - hackerone description: >- Filter-oriented alert source name. Trigger-created alerts use the trigger type. triggerType: type: - string - 'null' enum: - jira - jira-automation - slack - linear - cron - webhook - email - bugcrowd - hackerone - null description: Trigger source when category is trigger required: - category - name - triggerType description: >- Filter-oriented source attribution for an alert. originDetectionHitId: type: - string - 'null' format: uuid originTriggerId: type: - string - 'null' format: uuid sourcePayloadId: type: string format: uuid additionalProperties: true description: Metadata for alert creation timeline entries. required: - id - organizationId - alertId - createdAt - actorType - actorUserId - actorAgentId - actorRunId - actorUserName - actorUserImageUrl - kind - bodyMarkdown - beforeStatus - afterStatus - metadata - type: object properties: id: type: string format: uuid description: Timeline entry identifier organizationId: type: string format: uuid description: Organization that owns the timeline entry alertId: type: string format: uuid description: Alert this entry belongs to createdAt: type: string description: ISO timestamp when the entry was created actorType: type: string enum: - human - agent - system description: Actor class responsible for a timeline entry. actorUserId: type: - string - 'null' format: uuid description: Human actor user id, when actorType is human actorAgentId: type: - string - 'null' format: uuid description: Agent actor id, when actorType is agent actorRunId: type: - string - 'null' format: uuid description: Run responsible for this entry, stored as chats.id actorUserName: type: - string - 'null' description: >- Resolved display name for a human actor, hydrated for rendering actorUserImageUrl: type: - string - 'null' description: >- Resolved avatar image URL for a human actor, when one is available actorAgentName: type: - string - 'null' description: >- Resolved display name for an agent actor or referenced assigned agent kind: type: string const: comment bodyMarkdown: type: - string - 'null' description: Timeline body, when this entry has prose content beforeStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status before a status transition afterStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status after a status transition metadata: type: object additionalProperties: true description: Metadata for alert comment timeline entries. required: - id - organizationId - alertId - createdAt - actorType - actorUserId - actorAgentId - actorRunId - actorUserName - actorUserImageUrl - kind - bodyMarkdown - beforeStatus - afterStatus - metadata - type: object properties: id: type: string format: uuid description: Timeline entry identifier organizationId: type: string format: uuid description: Organization that owns the timeline entry alertId: type: string format: uuid description: Alert this entry belongs to createdAt: type: string description: ISO timestamp when the entry was created actorType: type: string enum: - human - agent - system description: Actor class responsible for a timeline entry. actorUserId: type: - string - 'null' format: uuid description: Human actor user id, when actorType is human actorAgentId: type: - string - 'null' format: uuid description: Agent actor id, when actorType is agent actorRunId: type: - string - 'null' format: uuid description: Run responsible for this entry, stored as chats.id actorUserName: type: - string - 'null' description: >- Resolved display name for a human actor, hydrated for rendering actorUserImageUrl: type: - string - 'null' description: >- Resolved avatar image URL for a human actor, when one is available actorAgentName: type: - string - 'null' description: >- Resolved display name for an agent actor or referenced assigned agent kind: type: string const: status_change bodyMarkdown: type: - string - 'null' description: Timeline body, when this entry has prose content beforeStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status before a status transition afterStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status after a status transition metadata: type: object properties: reason: type: - string - 'null' agentId: type: string format: uuid runId: type: string format: uuid additionalProperties: true description: Metadata for alert status-change timeline entries. required: - id - organizationId - alertId - createdAt - actorType - actorUserId - actorAgentId - actorRunId - actorUserName - actorUserImageUrl - kind - bodyMarkdown - beforeStatus - afterStatus - metadata - type: object properties: id: type: string format: uuid description: Timeline entry identifier organizationId: type: string format: uuid description: Organization that owns the timeline entry alertId: type: string format: uuid description: Alert this entry belongs to createdAt: type: string description: ISO timestamp when the entry was created actorType: type: string enum: - human - agent - system description: Actor class responsible for a timeline entry. actorUserId: type: - string - 'null' format: uuid description: Human actor user id, when actorType is human actorAgentId: type: - string - 'null' format: uuid description: Agent actor id, when actorType is agent actorRunId: type: - string - 'null' format: uuid description: Run responsible for this entry, stored as chats.id actorUserName: type: - string - 'null' description: >- Resolved display name for a human actor, hydrated for rendering actorUserImageUrl: type: - string - 'null' description: >- Resolved avatar image URL for a human actor, when one is available actorAgentName: type: - string - 'null' description: >- Resolved display name for an agent actor or referenced assigned agent kind: type: string const: title_change bodyMarkdown: type: - string - 'null' description: Timeline body, when this entry has prose content beforeStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status before a status transition afterStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status after a status transition metadata: type: object properties: beforeTitle: type: - string - 'null' afterTitle: type: - string - 'null' additionalProperties: true description: Metadata for alert title-change timeline entries. required: - id - organizationId - alertId - createdAt - actorType - actorUserId - actorAgentId - actorRunId - actorUserName - actorUserImageUrl - kind - bodyMarkdown - beforeStatus - afterStatus - metadata - type: object properties: id: type: string format: uuid description: Timeline entry identifier organizationId: type: string format: uuid description: Organization that owns the timeline entry alertId: type: string format: uuid description: Alert this entry belongs to createdAt: type: string description: ISO timestamp when the entry was created actorType: type: string enum: - human - agent - system description: Actor class responsible for a timeline entry. actorUserId: type: - string - 'null' format: uuid description: Human actor user id, when actorType is human actorAgentId: type: - string - 'null' format: uuid description: Agent actor id, when actorType is agent actorRunId: type: - string - 'null' format: uuid description: Run responsible for this entry, stored as chats.id actorUserName: type: - string - 'null' description: >- Resolved display name for a human actor, hydrated for rendering actorUserImageUrl: type: - string - 'null' description: >- Resolved avatar image URL for a human actor, when one is available actorAgentName: type: - string - 'null' description: >- Resolved display name for an agent actor or referenced assigned agent kind: type: string const: description_change bodyMarkdown: type: - string - 'null' description: Timeline body, when this entry has prose content beforeStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status before a status transition afterStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status after a status transition metadata: type: object properties: beforeDescription: type: - string - 'null' afterDescription: type: - string - 'null' additionalProperties: true description: >- Metadata for alert description-change timeline entries. required: - id - organizationId - alertId - createdAt - actorType - actorUserId - actorAgentId - actorRunId - actorUserName - actorUserImageUrl - kind - bodyMarkdown - beforeStatus - afterStatus - metadata - type: object properties: id: type: string format: uuid description: Timeline entry identifier organizationId: type: string format: uuid description: Organization that owns the timeline entry alertId: type: string format: uuid description: Alert this entry belongs to createdAt: type: string description: ISO timestamp when the entry was created actorType: type: string enum: - human - agent - system description: Actor class responsible for a timeline entry. actorUserId: type: - string - 'null' format: uuid description: Human actor user id, when actorType is human actorAgentId: type: - string - 'null' format: uuid description: Agent actor id, when actorType is agent actorRunId: type: - string - 'null' format: uuid description: Run responsible for this entry, stored as chats.id actorUserName: type: - string - 'null' description: >- Resolved display name for a human actor, hydrated for rendering actorUserImageUrl: type: - string - 'null' description: >- Resolved avatar image URL for a human actor, when one is available actorAgentName: type: - string - 'null' description: >- Resolved display name for an agent actor or referenced assigned agent kind: type: string const: severity_change bodyMarkdown: type: - string - 'null' description: Timeline body, when this entry has prose content beforeStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status before a status transition afterStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status after a status transition metadata: type: object properties: beforeSeverity: type: - string - 'null' enum: - low - medium - high - critical - null afterSeverity: type: - string - 'null' enum: - low - medium - high - critical - null reason: type: - string - 'null' additionalProperties: true description: >- Metadata for alert severity-change timeline entries. required: - id - organizationId - alertId - createdAt - actorType - actorUserId - actorAgentId - actorRunId - actorUserName - actorUserImageUrl - kind - bodyMarkdown - beforeStatus - afterStatus - metadata - type: object properties: id: type: string format: uuid description: Timeline entry identifier organizationId: type: string format: uuid description: Organization that owns the timeline entry alertId: type: string format: uuid description: Alert this entry belongs to createdAt: type: string description: ISO timestamp when the entry was created actorType: type: string enum: - human - agent - system description: Actor class responsible for a timeline entry. actorUserId: type: - string - 'null' format: uuid description: Human actor user id, when actorType is human actorAgentId: type: - string - 'null' format: uuid description: Agent actor id, when actorType is agent actorRunId: type: - string - 'null' format: uuid description: Run responsible for this entry, stored as chats.id actorUserName: type: - string - 'null' description: >- Resolved display name for a human actor, hydrated for rendering actorUserImageUrl: type: - string - 'null' description: >- Resolved avatar image URL for a human actor, when one is available actorAgentName: type: - string - 'null' description: >- Resolved display name for an agent actor or referenced assigned agent kind: type: string const: assignment_change bodyMarkdown: type: - string - 'null' description: Timeline body, when this entry has prose content beforeStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status before a status transition afterStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status after a status transition metadata: type: object properties: reason: type: - string - 'null' assignedAgentId: type: - string - 'null' format: uuid runId: type: - string - 'null' format: uuid additionalProperties: true description: >- Metadata for alert assignment-change timeline entries. required: - id - organizationId - alertId - createdAt - actorType - actorUserId - actorAgentId - actorRunId - actorUserName - actorUserImageUrl - kind - bodyMarkdown - beforeStatus - afterStatus - metadata - type: object properties: id: type: string format: uuid description: Timeline entry identifier organizationId: type: string format: uuid description: Organization that owns the timeline entry alertId: type: string format: uuid description: Alert this entry belongs to createdAt: type: string description: ISO timestamp when the entry was created actorType: type: string enum: - human - agent - system description: Actor class responsible for a timeline entry. actorUserId: type: - string - 'null' format: uuid description: Human actor user id, when actorType is human actorAgentId: type: - string - 'null' format: uuid description: Agent actor id, when actorType is agent actorRunId: type: - string - 'null' format: uuid description: Run responsible for this entry, stored as chats.id actorUserName: type: - string - 'null' description: >- Resolved display name for a human actor, hydrated for rendering actorUserImageUrl: type: - string - 'null' description: >- Resolved avatar image URL for a human actor, when one is available actorAgentName: type: - string - 'null' description: >- Resolved display name for an agent actor or referenced assigned agent kind: type: string const: triage_run bodyMarkdown: type: - string - 'null' description: Timeline body, when this entry has prose content beforeStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status before a status transition afterStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status after a status transition metadata: type: object properties: reason: type: - string - 'null' agentId: type: string format: uuid runId: type: string format: uuid additionalProperties: true description: Metadata for alert triage-run timeline entries. required: - id - organizationId - alertId - createdAt - actorType - actorUserId - actorAgentId - actorRunId - actorUserName - actorUserImageUrl - kind - bodyMarkdown - beforeStatus - afterStatus - metadata - type: object properties: id: type: string format: uuid description: Timeline entry identifier organizationId: type: string format: uuid description: Organization that owns the timeline entry alertId: type: string format: uuid description: Alert this entry belongs to createdAt: type: string description: ISO timestamp when the entry was created actorType: type: string enum: - human - agent - system description: Actor class responsible for a timeline entry. actorUserId: type: - string - 'null' format: uuid description: Human actor user id, when actorType is human actorAgentId: type: - string - 'null' format: uuid description: Agent actor id, when actorType is agent actorRunId: type: - string - 'null' format: uuid description: Run responsible for this entry, stored as chats.id actorUserName: type: - string - 'null' description: >- Resolved display name for a human actor, hydrated for rendering actorUserImageUrl: type: - string - 'null' description: >- Resolved avatar image URL for a human actor, when one is available actorAgentName: type: - string - 'null' description: >- Resolved display name for an agent actor or referenced assigned agent kind: type: string const: external_event bodyMarkdown: type: - string - 'null' description: Timeline body, when this entry has prose content beforeStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status before a status transition afterStatus: type: - string - 'null' enum: - open - in_progress - escalated - closed_true_positive - closed_false_positive - closed_true_positive_benign - null description: Status after a status transition metadata: type: object additionalProperties: true description: >- Metadata for externally mirrored alert timeline entries. required: - id - organizationId - alertId - createdAt - actorType - actorUserId - actorAgentId - actorRunId - actorUserName - actorUserImageUrl - kind - bodyMarkdown - beforeStatus - afterStatus - metadata required: - alert - entry '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 POST "https://app.cotool.ai/api/alerts/:alertId/severity" \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{"severity":"low","reason":"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` ````