> ## Documentation Index > Fetch the complete documentation index at: /docs/llms.txt > Use this file to discover all available pages before exploring further. # List device locations > Returns the device's location history, newest first: one entry per location assignment, with the current location as the open entry (`end_time` is `null`). Entries are append-only and never rewritten. ## OpenAPI ````yaml energy-api/reference/flatpeak-api-spec-energy-tariffs.json GET /devices/{device_id}/locations openapi: 3.0.3 info: description: >- The tariff functions of the Flatpeak Energy API: tariff connection, prices, forecasts and costs. Generated from the full Energy API spec by scripts/build-tariff-spec.py. Do not edit. version: 2027-01-01.busbar title: 'Flatpeak Energy API: Tariffs' termsOfService: https://flatpeak.com/legal contact: name: Technical Support email: support@flatpeak.com url: https://flatpeak.com/contact license: name: Apache 2.0 url: https://flatpeak.com/legal servers: - url: https://energy-api.flatpeak.com security: - bearerAuth: [] tags: - name: Authentication description: >- Exchange your account credentials for a bearer token to authenticate API requests. - name: Connect description: >- Create and retrieve Connect sessions. Connect drives the user journeys for tariff connection and [tariff error reporting](/energy-api/reference/connect/tariff/error-report). What happens in those journeys reaches your backend as [Connect webhooks](/energy-api/guides/platform/events). - name: Users description: Create, retrieve, update, delete, and list users. - name: Locations description: Create, retrieve, update, delete, and list locations. - name: Devices description: >- Create, retrieve, update, delete and list devices; submit and retrieve their state; read and write their shared settings. - name: Meters description: Submit meter records and check batch status. - name: Tariffs description: Create, retrieve, delete, and list tariffs. - name: Prices description: Retrieve and audit calculated energy prices. - name: Costs description: Calculate the monetary cost of imported or exported energy. - name: Optimizations description: >- Rank the connected tariff to find the best times to consume or export energy, as inputs to your own scheduling. - name: Events description: Retrieve and list account events. externalDocs: description: Documentation url: https://docs.flatpeak.com paths: /devices/{device_id}/locations: parameters: - schema: type: string name: device_id in: path required: true description: Flatpeak Device ID. get: tags: - Devices summary: List device locations description: >- Returns the device's location history, newest first: one entry per location assignment, with the current location as the open entry (`end_time` is `null`). Entries are append-only and never rewritten. operationId: list-device-locations parameters: [] responses: '200': description: OK content: application/json: schema: type: object properties: data: type: array items: $ref: '#/components/schemas/DeviceLocationRecord' description: The device's location records, most recent first. '401': $ref: '#/components/responses/401' '403': $ref: '#/components/responses/403' '404': $ref: '#/components/responses/404' '429': $ref: '#/components/responses/429' '500': $ref: '#/components/responses/500' '503': $ref: '#/components/responses/503' components: schemas: DeviceLocationRecord: type: object title: DeviceLocationRecord description: >- One entry in a device's location history. Append only; a move closes the open entry and opens a new one. required: - location_id - start_time - end_time properties: location_id: type: string description: Flatpeak Location ID. example: loc_641b90b758fb8e6293716e40 start_time: type: string format: date-time description: When the device's assignment to this location took effect, in UTC. example: '2026-03-22T11:12:21Z' end_time: type: string format: date-time nullable: true description: When the assignment ended, in UTC. `null` for the current location. example: null Error: type: object description: Standard error envelope returned by every non-2xx response. required: - object - type - code - message properties: object: type: string enum: - error default: error description: Object type. type: type: string description: High-level error category. example: invalid_request code: type: string description: Machine-readable error code, safe to branch on. example: not_found message: type: string description: Human-readable description of the error. example: The requested resource could not be found. context: type: string description: Optional originating context, for example `api.price_get`. example: api.price_get live_mode: type: boolean description: Whether the error occurred against live or test data. time_created: type: string format: date-time description: Time the error was generated (RFC 3339). example: '2026-01-01T00:00:00Z' responses: '401': description: '401 Unauthorized: authentication credentials are missing or invalid.' content: application/json: schema: $ref: '#/components/schemas/Error' '403': description: '403 Forbidden: you do not have permission to access this resource.' content: application/json: schema: $ref: '#/components/schemas/Error' '404': description: '404 Not Found: the requested resource does not exist.' content: application/json: schema: $ref: '#/components/schemas/Error' '429': description: '429 Too Many Requests: the rate limit has been exceeded.' content: application/json: schema: $ref: '#/components/schemas/Error' '500': description: >- 500 Internal Server Error: an unexpected error occurred. Safe to retry with backoff. content: application/json: schema: $ref: '#/components/schemas/Error' '503': description: >- 503 Service Unavailable: the service is temporarily down for maintenance. Retry after the indicated delay. content: application/json: schema: $ref: '#/components/schemas/Error' securitySchemes: bearerAuth: type: http scheme: bearer description: Bearer token obtained from POST /auth/tokens. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.