> ## Documentation Index > Fetch the complete documentation index at: https://developer.trackpilots.com/llms.txt > Use this file to discover all available pages before exploring further. # Fetch Timeline > Fetch app usage timeline with particular interval of time ## OpenAPI ````yaml /openapi.yaml post /v1/proof-of-work/app-usage/timeline openapi: 3.1.0 info: title: Trackpilots API & Webhooks version: 1.1.0 description: > Trackpilots REST APIs and Webhook events. Webhooks are sent by the Trackpilots desktop agent to customer-configured endpoints. Clients only send `secret_key`. All other fields are generated by the server. servers: - url: https://api.trackpilots.com description: Production server security: [] tags: - name: Teams description: Team management APIs - name: Desktop Events description: Desktop agent webhook events paths: /v1/proof-of-work/app-usage/timeline: post: tags: - PoW - App Usage summary: Fetch Timeline description: | Fetch app usage timeline with particular interval of time requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/FetchAppUsageTimelineRequest' responses: '200': description: Fetched app usage timeline successfully. content: application/json: schema: $ref: '#/components/schemas/200FetchAppUsageTimelineSuccessResponse' '400': description: Request validation failed content: application/json: schema: $ref: >- #/components/schemas/400FetchAppUsageTimelineValidationErrorResponse '401': $ref: '#/components/responses/UnauthorizedError' '422': $ref: '#/components/responses/422UnprocessableUserIdorTeamIdErrorResponse' '500': $ref: '#/components/responses/InternalServerError' security: - BearerAuth: [] components: schemas: FetchAppUsageTimelineRequest: type: object description: | Either userId or teamId must be provided. Both cannot be empty. required: - timeZone - startDate - endDate - limit - offset properties: startDate: type: string format: date-time example: '2026-02-08 00:00:00' endDate: type: string format: date-time example: '2026-02-08 23:59:59' timeZone: type: string example: Asia/Kolkata description: IANA timezone of the requester userId: type: array description: List of user UUIDs to fetch screenshots for items: type: string format: uuid example: ab7c4f30-1024-471a-a767-739df0dc53fd teamId: type: array description: List of team UUIDs to fetch screenshots for items: type: string format: uuid example: 3d4c2ced-f4d6-42ea-b6db-7dcf24a77845 example: [] offset: type: integer minimum: 0 example: 0 limit: type: integer minimum: 1 maximum: 100 example: 15 anyOf: - required: - userId - required: - teamId 200FetchAppUsageTimelineSuccessResponse: type: object properties: success: type: boolean example: true statusCode: type: integer example: 200 statusMessage: type: string example: Fetched app usage timeline successfully error: type: string nullable: true example: null data: type: array items: type: object properties: user: type: object properties: userId: type: string format: uuid example: ab7c4f30-1024-471a-a767-739df0dc53fd name: type: string example: Sakthivel Govinthan profilePicUrl: type: string nullable: true example: >- https://trackpilots.s3.amazonaws.com/profile-pic/sample.png emailId: type: string format: email example: sakthiveltechit@gmail.com time: type: object properties: startTime: type: string format: date-time example: '2026-02-14T03:42:39.112Z' endTime: type: string format: date-time example: '2026-02-14T03:42:40.667Z' durationInSeconds: type: integer example: 1 application: type: object properties: name: type: string example: Google Chrome iconUrl: type: string format: uri example: https://vendors.paddle.com/favicon.ico type: type: string enum: - website - application example: website category: type: string example: Unknown domain: type: string example: vendors.paddle.com fullUrl: type: string format: uri example: https://vendors.paddle.com 400FetchAppUsageTimelineValidationErrorResponse: type: object properties: success: type: boolean example: false statusCode: type: integer example: 400 statusMessage: type: string example: Failed to fetch work summary details data: type: 'null' example: null error: type: object properties: message: type: string example: Request body is not valid code: type: string example: REQUEST_VALIDATION_FAILED details: type: array items: type: object properties: path: type: array items: type: string example: - userId message: type: string example: Either userId or teamId must be provided ErrorResponse: type: object properties: success: type: boolean example: false statusCode: type: integer format: int32 example: 401 statusMessage: type: string example: Authentication failed data: nullable: true example: null error: type: object properties: message: type: string example: Authorization header is missing code: type: string enum: - AUTHORIZATION_HEADER_MISSING - INVALID_API_KEY_SCHEMA - API_KEY_MISSING - INVALID_API_KEY - PLAN_EXPIRED example: AUTHORIZATION_HEADER_MISSING 422UnprocessableUserIdorTeamIdErrorSchema: type: object properties: success: type: boolean example: false statusCode: type: integer format: int32 example: 422 statusMessage: type: string example: Invalid userId response: nullable: true example: null error: type: object properties: message: type: string example: Provided userId does not exist for this organisation code: type: string enum: - INVALID_USER_ID - INVALID_TEAM_ID example: INVALID_USER_ID InternalServerError: allOf: - $ref: '#/components/schemas/BaseError' - type: object properties: statusCode: example: 500 statusMessage: example: Internal server error error: type: object properties: message: example: Some technical error has occurred !! code: example: UNKNOWN_SERVER_ERROR BaseError: type: object properties: success: type: boolean example: false statusCode: type: integer statusMessage: type: string data: nullable: true example: null error: type: object properties: message: type: string code: type: string responses: UnauthorizedError: description: Authentication & Authorization errors content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: authorizationHeaderMissing: summary: Authorization header missing value: success: false statusCode: 401 statusMessage: Authentication token header is missing data: null error: message: Authorization header is missing code: AUTHORIZATION_HEADER_MISSING invalidAuthorizationScheme: summary: Invalid authorization scheme value: success: false statusCode: 401 statusMessage: Invalid authentication token schema data: null error: message: Authorization header must start with 'Bearer' code: INVALID_API_KEY_SCHEMA apiKeyMissing: summary: API key missing value: success: false statusCode: 401 statusMessage: Authentication token is missing data: null error: message: API key value is missing code: API_KEY_MISSING invalidApiKey: summary: Invalid or inactive API key value: success: false statusCode: 401 statusMessage: Authentication failed data: null error: message: Provided API key is invalid or inactive code: INVALID_API_KEY planExpired: summary: Upgrade required value: success: false statusCode: 401 statusMessage: Upgrade required data: null error: message: Upgrade required to use Trackpilots APIs code: PLAN_EXPIRED 422UnprocessableUserIdorTeamIdErrorResponse: description: Unprocessable Entity – Invalid userId or teamIds content: application/json: schema: $ref: '#/components/schemas/422UnprocessableUserIdorTeamIdErrorSchema' examples: invalidUserId: summary: Invalid userId value: success: false statusCode: 422 statusMessage: Invalid userId response: null error: message: Provided userId does not exist for this organisation code: INVALID_USER_ID invalidTeamId: summary: Invalid teamId value: success: false statusCode: 422 statusMessage: Invalid teamId response: null error: message: One or more teamIds are invalid for this organisation code: INVALID_TEAM_ID InternalServerError: description: Internal server error content: application/json: schema: $ref: '#/components/schemas/InternalServerError' securitySchemes: BearerAuth: type: http scheme: bearer bearerFormat: JWT ````