> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mangrovesystems.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Retrieve a datapoint

> Retrieves a specific datapoint by ID.



## OpenAPI

````yaml GET /projects/{project_id}/events/{event_id}/data_points/{data_point_id}
openapi: 3.1.0
info:
  title: Mangrove - API
  version: 1.1.0
servers:
  - url: https://app.gomangrove.com/api/v1
security:
  - sec0: []
paths:
  /projects/{project_id}/events/{event_id}/data_points/{data_point_id}:
    get:
      summary: Retrieve a datapoint
      description: Retrieves a specific datapoint by ID.
      operationId: retrieve-an-evidence-copy
      parameters:
        - name: project_id
          in: path
          schema:
            type: string
          required: true
        - name: event_id
          in: path
          description: >-
            Unique ID of event in the `evt_XXXX` syntax. For example:
            `evt_DLnYvzbjSujNAvXE`
          schema:
            type: string
          required: true
        - name: data_point_id
          in: path
          schema:
            type: string
          required: true
          description: >-
            Unique ID of datapoint in the `in_XXXX` syntax. For example:
            `in_kiIuaGIUqRxWUmTY`
      responses:
        '200':
          description: '200'
          content:
            application/json:
              examples:
                Result:
                  value:
                    id: in_kiIuaGIUqRxWUmTY
                    slug: total-ash-delivered-wet-us-ton
                    data_point_type: Total Ash Delivered (wet mass) U.S. ton
                    value: 290.6
                    unit: U.S. ton
                    status: complete
              schema:
                type: object
                properties:
                  id:
                    type: string
                    example: in_kiIuaGIUqRxWUmTY
                  slug:
                    type: string
                    example: total-ash-delivered-wet-us-ton
                  data_point_type:
                    type: string
                    example: Total Ash Delivered (wet mass) U.S. ton
                  value:
                    type: number
                    example: 290.6
                    default: 0
                  unit:
                    type: string
                    example: U.S. ton
                  status:
                    type: string
                    example: complete
        '404':
          description: '404'
          content:
            application/json:
              examples:
                Result:
                  value:
                    status: error
                    statusCode: 404
                    errors:
                      - message: Evidence not found.
              schema:
                type: object
                properties:
                  status:
                    type: string
                    example: error
                  statusCode:
                    type: integer
                    example: 404
                    default: 0
                  errors:
                    type: array
                    items:
                      type: object
                      properties:
                        message:
                          type: string
                          example: Evidence not found.
      deprecated: false
components:
  securitySchemes:
    sec0:
      type: apiKey
      in: header
      name: Authorization
      x-bearer-format: ''

````