> ## Documentation Index > Fetch the complete documentation index at: https://docs.getmodus.com/llms.txt > Use this file to discover all available pages before exploring further. # List usage users > Returns the distinct acting-user emails that appear in your organization's LLM usage over the `[since, until)` window. Feeds the usage page's user filter (includes non-Modus Slack/Teams users). Scoped to your organization. **Requires:** `usage:read` ## OpenAPI ````yaml https://api.getmodus.com/openapi.json get /api/v1/usage/users openapi: 3.0.3 info: title: Modus Public API version: 1.0.0 servers: [] security: - bearerAuth: [] tags: - name: Scopes description: Create, configure, deploy, and manage scopes. - name: Scopes · Conversations description: Read scope conversation threads. - name: Scopes · Supervision description: Scope supervision sub-resource. - name: Scopes · Memories description: Long-term memory stored per scope. - name: Scopes · Chat description: Chat with a published scope. - name: Scopes · Context description: Compose a scope’s context without an LLM call. - name: Modus · Chat description: Chat with Modus — your org-wide assistant. - name: Modus · Conversations description: Read Modus and cross-scope conversation threads. - name: Modus · Context description: Compose full-environment context without an LLM call. - name: Workflows description: Create, configure, deploy, and manage workflows. - name: Workflows · Runs description: Inspect workflow run history. - name: Workflows · Interfaces description: Slack / MCP / Teams interface management. - name: Connections description: Read connected integrations. - name: Tools description: Catalog of tools/integrations a scope can select in its toolset. - name: Suggestions description: Approved suggested questions and first-party suggestion usage events. - name: Context description: Create and manage organization context items. - name: Usage description: Organization LLM usage reporting. - name: Users description: Organization and membership management. - name: Runs · Streaming description: 'Run lifecycle: stream, poll, resume, interrupt, and cancel executions.' - name: Scopes · Runs description: Run a published or draft scope. - name: Modus · Runs description: Run the Modus home agent. paths: /api/v1/usage/users: get: tags: - Usage summary: List usage users description: >- Returns the distinct acting-user emails that appear in your organization's LLM usage over the `[since, until)` window. Feeds the usage page's user filter (includes non-Modus Slack/Teams users). Scoped to your organization. **Requires:** `usage:read` operationId: UsageController_listUsers parameters: - name: since required: true in: query description: ISO8601 start of the query window (inclusive). schema: example: '2026-05-01T00:00:00.000Z' type: string - name: until required: true in: query description: ISO8601 end of the query window (exclusive). schema: example: '2026-05-08T00:00:00.000Z' type: string responses: '200': description: '' content: application/json: schema: $ref: '#/components/schemas/ListUsageUsersResponseDto' '400': description: >- Malformed request — invalid query parameters or request body (`code: BAD_REQUEST`). content: application/json: schema: $ref: '#/components/schemas/ErrorResponseDto' example: error: code: BAD_REQUEST status: INVALID_ARGUMENT message: Invalid value for query parameter `pageSize`. requestId: req_01HQ7K8ABCDEFGHIJKLMNOPQRS '401': description: 'Missing, invalid, or expired access token (`code: UNAUTHORIZED`).' content: application/json: schema: $ref: '#/components/schemas/ErrorResponseDto' example: error: code: UNAUTHORIZED status: UNAUTHENTICATED message: Missing or invalid access token. requestId: req_01HQ7K8ABCDEFGHIJKLMNOPQRS '403': description: >- Authenticated, but the token lacks a required scope (`code: FORBIDDEN`). The missing scopes are listed in `info`. content: application/json: schema: $ref: '#/components/schemas/ErrorResponseDto' example: error: code: FORBIDDEN status: PERMISSION_DENIED message: Missing required scope(s) for this operation. requestId: req_01HQ7K8ABCDEFGHIJKLMNOPQRS info: missing: - '500': description: 'An unexpected server error occurred (`code: INTERNAL_ERROR`).' content: application/json: schema: $ref: '#/components/schemas/ErrorResponseDto' example: error: code: INTERNAL_ERROR status: INTERNAL message: An unexpected error occurred. requestId: req_01HQ7K8ABCDEFGHIJKLMNOPQRS security: - bearerAuth: [] servers: - url: https://api.getmodus.com components: schemas: ListUsageUsersResponseDto: type: object properties: users: description: Distinct acting-user emails in the window. type: array items: $ref: '#/components/schemas/UsageUserDto' required: - users ErrorResponseDto: type: object properties: error: $ref: '#/components/schemas/ErrorEnvelopeDto' required: - error UsageUserDto: type: object properties: email: type: string description: Acting-user email present in usage over the window. example: jane@acme.com required: - email ErrorEnvelopeDto: type: object properties: code: description: Modus-specific machine code. allOf: - $ref: '#/components/schemas/ApiErrorCode' status: description: Canonical status string for the error. allOf: - $ref: '#/components/schemas/ApiErrorStatus' message: type: string example: Skill was not found or you lack permission. requestId: type: string example: req_01HQ7K8ABCDEFGHIJKLMNOPQRS info: type: object description: >- Optional domain-specific context. Shape varies per endpoint — see the operation's error response examples. additionalProperties: true example: skillId: sk_abc123 required: - code - status - message - requestId ApiErrorCode: type: string enum: - VALIDATION - BAD_REQUEST - UNAUTHORIZED - FORBIDDEN - NOT_FOUND - CONFLICT - RATE_LIMITED - INTERNAL_ERROR description: Modus-specific machine code. ApiErrorStatus: type: string enum: - INVALID_ARGUMENT - UNAUTHENTICATED - PERMISSION_DENIED - NOT_FOUND - ALREADY_EXISTS - RESOURCE_EXHAUSTED - INTERNAL description: Canonical status string for the error. securitySchemes: bearerAuth: scheme: bearer bearerFormat: Modus PAT (modus___) or OAuth 2.1 access token type: http description: >- A Modus personal access token (`modus___`) or an OAuth 2.1 access token, sent as `Authorization: Bearer `. ````