Nasdaq · Authentication Profile

Nasdaq Authentication

Authentication

Nasdaq declares 4 security scheme(s) across its OpenAPI definitions.

Data MarketplaceFinancial DataFortune 1000KafkaMarket DataStock ExchangeStreamingFinancial ServicesCapital MarketsEconomics
Methods: Schemes: 4 OAuth flows: API key in:

Security Schemes

api_key apiKey
· in: query (api_key)
X-Api-Token apiKey
· in: header (X-Api-Token)
ncds-client-credentials http
scheme: bearer
ncds-kafka-oauthbearer oauth2

Source

Authentication Profile

Raw ↑ 
name: Nasdaq authentication
generated: '2026-10-19'
method: searched
source: https://data.nasdaq.com/tablesapi
docs: https://data.nasdaq.com/tablesapi
schemes:
- name: api_key
  type: apiKey
  in: query
  parameter: api_key
  applies_to: Nasdaq Data Link Tables API
- name: X-Api-Token
  type: apiKey
  in: header
  parameter: X-Api-Token
  applies_to: Nasdaq Data Link Bulk Download API
- name: ncds-client-credentials
  type: http
  scheme: bearer
  token_url: https://<base_url>/v1/auth/token
  description: POST client_id and client_secret as JSON; response carries access_token
    and expires_in (seconds).
  applies_to: NCDS REST API
- name: ncds-kafka-oauthbearer
  type: oauth2
  flow: clientCredentials
  description: SASL/OAUTHBEARER against an onboarding-issued token endpoint; client
    ID, client secret, token endpoint and bootstrap servers are issued at onboarding.
  applies_to: NCDS Streaming (Kafka)
docs_ncds: https://github.com/Nasdaq/NasdaqCloudDataService-REST-API/blob/main/restapi/authenticate.md

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