> ## Documentation Index > Fetch the complete documentation index at: /docs/llms.txt > Use this file to discover all available pages before exploring further. # List device rewards > Returns the rewards a device has earned under its VPP programs, most recent first. ## OpenAPI ````yaml energy-api/reference/flatpeak-api-spec-energy.json GET /devices/{device_id}/rewards openapi: 3.0.3 info: description: >- The Flatpeak Energy API connects energy hardware (batteries, EV chargers, vehicles, heat pumps, water heaters, solar and generators) to electricity prices, grid fees, and VPP programs. ## Create bearer token Obtain a bearer token from `POST /auth/tokens` using your `account_id` and `secret_key` via basic auth, then send it as `Authorization: Bearer ` on every request. ## Base URL `https://energy-api.flatpeak.com` ## Pagination List endpoints return a `list` envelope with `data`, `next_cursor`, and `url`. Page forward by passing `next_cursor` as `cursor` on the next request, until it is `null`. Cursors are opaque and bound to the endpoint and query parameters that issued them. ## Errors Every non-2xx response uses a standard error envelope with `object`, `type`, `code`, and `message`. Codes are machine-readable and safe to branch on. ## Money Monetary values are decimal numbers and are always paired with a `currency_code` (ISO 4217). Energy is expressed in kilowatt hours (kWh). ## Live vs test `live_mode` marks live or test data. version: 2027-01-01.busbar title: Flatpeak Energy API 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, VPP enrollment, 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). x-tariff-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: Dispatch description: >- Fetch the VPP operator's instructions for a device, and confirm what the device will deliver. - name: Events description: Retrieve and list account events. - name: VPP Enrollments description: Create, retrieve and list VPP enrollments, and unenroll a device. - name: VPP Programs description: List VPP programs available to devices. - name: VPP Events description: >- VPP events committed by VPP operators, with your fleet's share and its per-device allocation. You can take over the allocation while it is open. - name: Operator groups description: >- Read-only views of the device groups VPP operators define. You see the groups that touch your fleet, and only your own devices in them. - name: Zones description: >- Network areas VPP operators define that touch your fleet. Read-only. You see only your own devices in them. externalDocs: description: Documentation url: https://docs.flatpeak.com paths: /devices/{device_id}/rewards: parameters: - schema: type: string name: device_id in: path required: true description: Flatpeak Device ID. get: tags: - Devices summary: List device rewards description: >- Returns the rewards a device has earned under its VPP programs, most recent first. operationId: list-device-rewards parameters: - schema: type: string format: date-time name: start_time in: query required: false description: Start time, in UTC. - schema: type: string format: date-time name: end_time in: query required: false description: End time, in UTC. - $ref: '#/components/parameters/limit' - $ref: '#/components/parameters/cursor' responses: '200': $ref: '#/components/responses/DeviceRewardList' '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: parameters: limit: name: limit in: query required: false schema: type: integer minimum: 1 maximum: 100 default: 30 description: Maximum number of objects to return per page, default 30. Maximum 100. cursor: name: cursor in: query required: false schema: type: string description: >- Pagination cursor. Pass `next_cursor` from the previous response unchanged; omit for the first page. A cursor used with different parameters returns `400 cursor_invalid`. 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' DeviceRewardList: description: Device reward list response. content: application/json: schema: allOf: - $ref: '#/components/schemas/ListResponse' - type: object properties: data: type: array description: The page of results. items: $ref: '#/components/schemas/Reward' example: object: list url: /devices/dev_63a6087272941ef077a8fd3e/rewards next_cursor: null data: - id: rwd_1a2b3c4d5e6f7a8b9c0d1e2f object: reward live_mode: true device_id: dev_63a6087272941ef077a8fd3e program_id: vpr_5c8d1f2a7b3e4d6c9a0f1b2c program_display_name: Community Powershare start_time: '2026-08-04T20:00:00Z' end_time: '2026-08-04T22:00:00Z' vpp_event_id: vpe_7d2a4c6e9b1f3a5c8e0d2f4b delivered_energy_kwh: -7.9 committed_energy_kwh: null basis: DELIVERED_KWH rate: 0.35 amount: 2.77 currency_code: USD status: ACCRUED payment_reference: null time_paid: null time_created: '2026-08-04T22:40:00Z' - id: rwd_5b1e8c3a7d9f2e4b6a0c1d73 object: reward live_mode: true device_id: dev_63a6087272941ef077a8fd3e program_id: vpr_5c8d1f2a7b3e4d6c9a0f1b2c program_display_name: Community Powershare start_time: '2026-07-01T00:00:00Z' end_time: '2026-10-01T00:00:00Z' vpp_event_id: null delivered_energy_kwh: null committed_energy_kwh: null basis: FIXED rate: 15 amount: 15 currency_code: USD status: APPROVED payment_reference: null time_paid: null time_created: '2026-10-01T00:05:00Z' schemas: ListResponse: type: object description: Standard envelope for paginated list endpoints. required: - object - url - next_cursor - data properties: object: type: string enum: - list default: list description: Object type. url: type: string description: URL for this list. example: /users next_cursor: type: string nullable: true description: >- Opaque cursor for the next page. Pass it as `cursor` on the next request. `null` on the last page. Do not stop on a short or empty `data` array. example: djF8ZXZ0fGE5ZjN8NjYxNjc3ODdjMTY1MmIzZmJlYmE1ZjAx data: type: array items: {} description: The page of results. Reward: title: Reward type: object description: >- A reward entry earned by the device under a VPP program. The VPP operator pays the user; Flatpeak keeps the ledger. Show it natively in your app. properties: id: type: string description: Flatpeak Reward ID. example: rwd_1a2b3c4d5e6f7a8b9c0d1e2f object: type: string example: reward description: Object type, `reward`. enum: - reward live_mode: type: boolean description: '`true` for objects created in live mode.' example: true device_id: type: string description: Flatpeak Device ID the entry rewards. example: dev_63a6087272941ef077a8fd3e program_id: type: string description: Flatpeak VPP Program ID the entry accrued under. example: vpr_5c8d1f2a7b3e4d6c9a0f1b2c program_display_name: type: string example: Community Powershare description: Program name shown to the user. start_time: type: string format: date-time description: >- Start of the commitment or event window the entry rewards. For a `FIXED` reward, the start of the calendar period. example: '2026-08-09T17:00:00Z' end_time: type: string format: date-time description: >- End of the commitment or event window the entry rewards. For a `FIXED` reward, the end of the calendar period. example: '2026-08-09T19:00:00Z' vpp_event_id: type: string nullable: true example: vpe_7d2a4c6e9b1f3a5c8e0d2f4b description: >- Flatpeak VPP event ID the entry rewards. `null` for a `FIXED` reward, which follows calendar periods. delivered_energy_kwh: type: number nullable: true example: -7.6 description: >- Delivered energy the entry rewards, in kWh, signed like power: negative for export. It is the `delivered_energy_kwh` of the device's delivery, so it can rise as late meter records arrive while the entry is `ACCRUED`, and is fixed once the entry is `APPROVED`. `null` for a `FIXED` or `COMMITTED_KWH` reward. committed_energy_kwh: type: number nullable: true example: null description: >- Energy of the device's locked share of the event the entry rewards, in kWh, signed like power: negative for export. Set for a `COMMITTED_KWH` reward; `null` for every other `basis`. basis: type: string enum: - FIXED - EVENT - DELIVERED_KWH - COMMITTED_KWH example: DELIVERED_KWH description: >- The reward in the enrollment's `terms.rewards` the entry was priced from. | Value | `amount` | | :--- | :--- | | `FIXED` | `rate` for the calendar period, pro-rated by the days the enrollment was `ACTIVE` | | `EVENT` | `rate`, for an event the device delivered in full | | `DELIVERED_KWH` | The absolute value of `delivered_energy_kwh` multiplied by `rate` | | `COMMITTED_KWH` | The absolute value of `committed_energy_kwh` multiplied by `rate`, whatever the device then delivered | rate: type: number example: 0.35 description: The `rate` of that reward, in large currency units. amount: type: number description: >- Amount in large currency units. Provisional while the entry is `ACCRUED`, when late meter records can still change it. Fixed once the entry is `APPROVED`. example: 2.58 currency_code: type: string example: GBP description: Currency of `amount`, as an ISO 4217 code. status: type: string enum: - ACCRUED - APPROVED - PAID description: >- `ACCRUED` entries are provisional, and their amount can still change as meter records arrive. `APPROVED` entries are confirmed by the VPP operator, and their amount is fixed. `PAID` entries have been paid by the VPP operator. example: APPROVED payment_reference: type: string nullable: true description: >- The VPP operator's reference for the payment. `null` until the entry is `PAID`. example: PAY-2026-09-000184 time_paid: type: string format: date-time nullable: true description: Time the entry was marked paid, in UTC. `null` until then. example: '2026-09-05T09:00:00Z' time_created: type: string format: date-time description: Time when the entry accrued, in UTC. example: '2026-08-09T19:05:00Z' required: - id - object - live_mode - device_id - program_id - program_display_name - vpp_event_id - start_time - end_time - amount - currency_code - status - time_created 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' 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.