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Quandl (Nasdaq Data Link) Databases API

Database catalog and metadata

Quandl (Nasdaq Data Link) Databases API is one of 5 APIs that Quandl (Nasdaq Data Link) publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Databases. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, and rate-limit docs.

This API exposes 3 operations across 3 paths, and defines 7 schemas. It is described by OpenAPI 3.1.0, at version 3.0.0.

Requests are made against a single base URL, https://data.nasdaq.com/api/v3.

3 operations 3 paths 7 schemas 3 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
3.0.0
Base URL
https://data.nasdaq.com/api/v3
Authentication
API Key, API Key
Resource Areas
1

Authentication & Security 2

Quandl (Nasdaq Data Link) Databases API declares 2 security schemes for authenticating requests. An API key is passed in the query as api_key (apiKeyQuery). An API key is passed in the header as X-Api-Token (apiKeyHeader). By default, every request must be authenticated.

  • apiKeyQuery — Nasdaq Data Link API key passed as query parameter
  • apiKeyHeader — Nasdaq Data Link API key passed as header

Paths & Operations 3

Across 3 paths, the API surfaces 3 operations — 3 GET. Each is listed below with its method, path, parameters, and response codes.

Databases 3

Database catalog and metadata

GET
/databases
List databases
listDatabases 3 params → 200401
GET
/databases/{databaseCode}
Get database metadata
getDatabase 1 param → 200404
GET
/databases/{databaseCode}/datasets
List datasets in a database
listDatabaseDatasets 4 params → 200

Schemas 7

The contract defines 7 schemas that model the data the API accepts and returns. The most detailed are DatasetMetadata (11 properties), Database (10 properties), PaginationMeta (6 properties), DatasetListResponse (2 properties). Each schema is shown below with its type and property counts.

DatasetMetadata
object
11 properties
PaginationMeta
object
6 properties
DatabaseListResponse
object
2 properties
DatasetListResponse
object
2 properties
DatabaseResponse
object
1 property
QuandlError
object
1 property
Database
object
10 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

quandl-databases-api-openapi.yml Raw ↑

Other APIs Quandl (Nasdaq Data Link) publishes across the network.

Nasdaq Data Link Tables REST API
Nasdaq Cloud Data Service (NCDS) Streaming API
Quandl (Nasdaq Data Link) Datasets API
Quandl (Nasdaq Data Link) Tables API