Nasdaq Datasets API

Time-series datasets and their metadata.

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OpenAPI Specification

nasdaq-omx-group-datasets-api-openapi.yml Raw ↑
openapi: 3.1.0
info:
  title: Nasdaq Data Link Databases Datasets API
  description: Nasdaq Data Link REST API for retrieving time-series financial and economic data, dataset metadata, and database information. Access is controlled via API key passed as the `api_key` query parameter, and responses are available in JSON, XML, and CSV.
  version: 1.0.0
  contact:
    name: Nasdaq Data Link
    url: https://data.nasdaq.com/
  x-generated-from: https://docs.data.nasdaq.com/docs/in-depth-usage
  x-generated-by: claude-crawl-2026-05-08
servers:
- url: https://data.nasdaq.com/api/v3
  description: Nasdaq Data Link production API
security:
- apiKeyAuth: []
tags:
- name: Datasets
  description: Time-series datasets and their metadata.
paths:
  /datasets/{database_code}/{dataset_code}/data.{format}:
    get:
      tags:
      - Datasets
      operationId: getDatasetData
      summary: Retrieve time-series data for a dataset
      parameters:
      - $ref: '#/components/parameters/DatabaseCode'
      - $ref: '#/components/parameters/DatasetCode'
      - $ref: '#/components/parameters/Format'
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/ColumnIndex'
      - $ref: '#/components/parameters/StartDate'
      - $ref: '#/components/parameters/EndDate'
      - $ref: '#/components/parameters/Order'
      - $ref: '#/components/parameters/Collapse'
      - $ref: '#/components/parameters/Transform'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Resource'
            application/xml:
              schema:
                type: string
            text/csv:
              schema:
                type: string
  /datasets/{database_code}/{dataset_code}/metadata.{format}:
    get:
      tags:
      - Datasets
      operationId: getDatasetMetadata
      summary: Retrieve metadata for a dataset
      parameters:
      - $ref: '#/components/parameters/DatabaseCode'
      - $ref: '#/components/parameters/DatasetCode'
      - $ref: '#/components/parameters/Format'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Resource'
  /datasets/{database_code}/{dataset_code}.{format}:
    get:
      tags:
      - Datasets
      operationId: getDatasetDataAndMetadata
      summary: Retrieve combined data and metadata for a dataset
      parameters:
      - $ref: '#/components/parameters/DatabaseCode'
      - $ref: '#/components/parameters/DatasetCode'
      - $ref: '#/components/parameters/Format'
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/StartDate'
      - $ref: '#/components/parameters/EndDate'
      - $ref: '#/components/parameters/Collapse'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Resource'
components:
  parameters:
    StartDate:
      name: start_date
      in: query
      required: false
      schema:
        type: string
        format: date
      description: Inclusive lower bound for the date filter (yyyy-mm-dd).
    Order:
      name: order
      in: query
      required: false
      schema:
        type: string
        enum:
        - asc
        - desc
      description: Sort order of returned rows.
    DatabaseCode:
      name: database_code
      in: path
      required: true
      schema:
        type: string
      description: Short code identifying the database (e.g. WIKI, FRED).
    Transform:
      name: transform
      in: query
      required: false
      schema:
        type: string
        enum:
        - diff
        - rdiff
        - rdiff_from
        - cumul
        - normalize
      description: Transformation to apply to the data series.
    Format:
      name: format
      in: path
      required: true
      schema:
        type: string
        enum:
        - json
        - xml
        - csv
      description: Response format.
    ColumnIndex:
      name: column_index
      in: query
      required: false
      schema:
        type: integer
      description: Request a single specified column (0 = date).
    Collapse:
      name: collapse
      in: query
      required: false
      schema:
        type: string
        enum:
        - daily
        - weekly
        - monthly
        - quarterly
        - annual
      description: Sampling frequency to collapse the time series to.
    EndDate:
      name: end_date
      in: query
      required: false
      schema:
        type: string
        format: date
      description: Inclusive upper bound for the date filter (yyyy-mm-dd).
    Limit:
      name: limit
      in: query
      required: false
      schema:
        type: integer
      description: Limit the number of returned rows.
    DatasetCode:
      name: dataset_code
      in: path
      required: true
      schema:
        type: string
      description: Short code identifying the dataset within a database.
  schemas:
    Resource:
      type: object
      additionalProperties: true
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: query
      name: api_key
      description: Pass your Nasdaq Data Link API key as the `api_key` query parameter.