openapi: 3.1.0
info:
  title: Nasdaq Data Link Databases 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: Databases
  description: Databases that group related datasets.
paths:
  /databases/{database_code}.{format}:
    get:
      tags:
      - Databases
      operationId: getDatabaseMetadata
      summary: Retrieve metadata for a database
      parameters:
      - $ref: '#/components/parameters/DatabaseCode'
      - $ref: '#/components/parameters/Format'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Resource'
  /databases/{database_code}/data:
    get:
      tags:
      - Databases
      operationId: downloadDatabaseData
      summary: Download all (or partial) data for a premium database
      parameters:
      - $ref: '#/components/parameters/DatabaseCode'
      - name: download_type
        in: query
        required: false
        schema:
          type: string
          enum:
          - full
          - partial
        description: Download the full database or only the latest observations.
      responses:
        '200':
          description: OK
          content:
            application/zip:
              schema:
                type: string
                format: binary
components:
  parameters:
    DatabaseCode:
      name: database_code
      in: path
      required: true
      schema:
        type: string
      description: Short code identifying the database (e.g. WIKI, FRED).
    Format:
      name: format
      in: path
      required: true
      schema:
        type: string
        enum:
        - json
        - xml
        - csv
      description: Response format.
  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.