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

# Create dataset datapoints

> Adds datapoints to a dataset and can optionally create the dataset when identified by name.



## OpenAPI

````yaml /openapi/openapi.yaml post /v1/datasets/datapoints
openapi: 3.1.0
info:
  title: Laminar API
  version: 1.0.0
  description: Public HTTP API for ingesting and managing data in a Laminar project.
  license:
    name: Apache 2.0
    identifier: Apache-2.0
servers:
  - url: https://api.lmnr.ai
    description: Laminar Cloud
security:
  - projectApiKey: []
tags:
  - name: Ingestion
    description: Send telemetry data to Laminar.
  - name: Traces
    description: Update trace data after ingestion.
  - name: SQL
    description: Query project data with read-only SQL.
  - name: Projects
    description: Resolve project information.
  - name: Datasets
    description: Read datasets and add datapoints.
  - name: Evaluations
    description: Create evaluation runs and record their results.
  - name: Labeling queues
    description: Add items to labeling queues.
  - name: Signals
    description: Manage automated evaluations of project traces.
  - name: LLM profiles
    description: Configure workspace LLM credentials and models for self-hosted Signals.
paths:
  /v1/datasets/datapoints:
    post:
      tags:
        - Datasets
      summary: Create dataset datapoints
      description: >-
        Adds datapoints to a dataset and can optionally create the dataset when
        identified by name.
      operationId: createDatasetDatapoints
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateDatapointsRequest'
      responses:
        '200':
          $ref: '#/components/responses/DatapointsCreated'
        '201':
          $ref: '#/components/responses/DatapointsCreated'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          description: A dataset with the requested name already exists.
components:
  schemas:
    CreateDatapointsRequest:
      type: object
      required:
        - datapoints
      description: Supply exactly one of datasetId or datasetName.
      properties:
        datasetId:
          $ref: '#/components/schemas/Uuid'
        datasetName:
          type: string
        datapoints:
          type: array
          items:
            $ref: '#/components/schemas/NewDatapoint'
        createDataset:
          type: boolean
          default: false
      oneOf:
        - required:
            - datasetId
        - required:
            - datasetName
    Uuid:
      type: string
      format: uuid
    NewDatapoint:
      type: object
      required:
        - data
      properties:
        id:
          oneOf:
            - $ref: '#/components/schemas/Uuid'
            - type: 'null'
        data:
          $ref: '#/components/schemas/JsonValue'
        target:
          $ref: '#/components/schemas/JsonValue'
        metadata:
          type: object
          additionalProperties: true
          default: {}
    CreateDatapointsResponse:
      type: object
      required:
        - message
        - datasetId
        - count
        - datapointInfo
      properties:
        message:
          type: string
        datasetId:
          $ref: '#/components/schemas/Uuid'
        count:
          type: integer
        datapointInfo:
          type: array
          items:
            type: object
            required:
              - id
              - createdAt
            properties:
              id:
                $ref: '#/components/schemas/Uuid'
              createdAt:
                type: string
                format: date-time
    Error:
      oneOf:
        - type: object
          properties:
            error:
              type: string
          required:
            - error
        - type: string
    JsonValue: {}
  responses:
    DatapointsCreated:
      description: Datapoints created; status 201 means the dataset was also created.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/CreateDatapointsResponse'
    BadRequest:
      description: Invalid request.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing or invalid API key.
    NotFound:
      description: The requested resource was not found in this project.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    projectApiKey:
      type: http
      scheme: bearer
      bearerFormat: Project API key
      description: A Laminar project API key.

````