Quandl (Nasdaq Data Link) · Authentication Profile

Quandl Authentication

Authentication

Quandl (Nasdaq Data Link) secures its APIs with apiKey across 2 declared security schemes, as derived from its OpenAPI definitions.

FinanceMarket DataEconomic DataTime SeriesStreaming
Methods: apiKey Schemes: 2 OAuth flows: API key in: header, query

Security Schemes

apiKeyQuery apiKey
· in: query (api_key)
apiKeyHeader apiKey
· in: header (X-Api-Token)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/nasdaq-data-link-timeseries-openapi.yml
summary:
  types:
  - apiKey
  api_key_in:
  - header
  - query
schemes:
- name: apiKeyQuery
  type: apiKey
  in: query
  parameter: api_key
  description: Nasdaq Data Link API key passed as query parameter
  sources:
  - openapi/nasdaq-data-link-timeseries-openapi.yml
- name: apiKeyHeader
  type: apiKey
  in: header
  parameter: X-Api-Token
  description: Nasdaq Data Link API key passed as header
  sources:
  - openapi/nasdaq-data-link-timeseries-openapi.yml