NielsenIQ · Authentication Profile

Nielseniq Authentication

Authentication

NielsenIQ secures its APIs with apiKey across 4 declared security schemes, as derived from its OpenAPI definitions.

CompanyConsumer IntelligenceMarket ResearchRetail MeasurementData & AnalyticsConsumer Packaged Goods
Methods: apiKey Schemes: 4 OAuth flows: API key in: header, query

Security Schemes

apiKeyHeader apiKey
· in: header (apiKey)
apiKeyQuery apiKey
· in: query (apiKey)
apiKeyHeader apiKey
· in: header (subscription-key)
apiKeyQuery apiKey
· in: query (subscription-key)

Source

Authentication Profile

Raw ↑ 
generated: '2026-10-18'
method: derived
source: openapi/nielseniq-buy-data-access-catalogues-api-openapi.yml, openapi/nielseniq-cdar-barter-openapi.yml,
  openapi/nielseniq-cdar-barterapi-openapi.yml, openapi/nielseniq-cdar-ecollection-openapi.yml,
  openapi/nielseniq-cdar-ecollectionapi-openapi.yml, openapi/nielseniq-cdar-gettoken-openapi.yml,
  openapi/nielseniq-cdar-gettokenprodna-openapi.yml, openapi/nielseniq-cdar-gnic-openapi.yml,
  openapi/nielseniq-cdar-gnicapi-openapi.yml, openapi/nielseniq-cdar-gnicus-openapi.yml, openapi/nielseniq-cdar-gnicusapi-openapi.yml,
  openapi/nielseniq-cdar-vendor-reports-openapi.yml ...
summary:
  types:
  - apiKey
  api_key_in:
  - header
  - query
schemes:
- name: apiKeyHeader
  type: apiKey
  in: header
  parameter: apiKey
  sources:
  - openapi/nielseniq-buy-data-access-catalogues-api-openapi.yml
- name: apiKeyQuery
  type: apiKey
  in: query
  parameter: apiKey
  sources:
  - openapi/nielseniq-buy-data-access-catalogues-api-openapi.yml
- name: apiKeyHeader
  type: apiKey
  in: header
  parameter: subscription-key
  sources:
  - openapi/nielseniq-cdar-barter-openapi.yml
  - openapi/nielseniq-cdar-barterapi-openapi.yml
  - openapi/nielseniq-cdar-ecollection-openapi.yml
  - openapi/nielseniq-cdar-ecollectionapi-openapi.yml
  - openapi/nielseniq-cdar-gettoken-openapi.yml
  - openapi/nielseniq-cdar-gettokenprodna-openapi.yml
  - openapi/nielseniq-cdar-gnic-openapi.yml
  - openapi/nielseniq-cdar-gnicapi-openapi.yml
  - openapi/nielseniq-cdar-gnicus-openapi.yml
  - openapi/nielseniq-cdar-gnicusapi-openapi.yml
  - openapi/nielseniq-cdar-vendor-reports-openapi.yml
  - openapi/nielseniq-cip-galaxy-form-proxy-openapi.yml
  - openapi/nielseniq-cip-galaxy-proxy-openapi.yml
  - openapi/nielseniq-crmcasetrackapi-openapi.yml
  - openapi/nielseniq-rdecosystem-openapi.yml
  - openapi/nielseniq-rdecosystembb-openapi.yml
  - openapi/nielseniq-store-availability-bulk-openapi.yml
- name: apiKeyQuery
  type: apiKey
  in: query
  parameter: subscription-key
  sources:
  - openapi/nielseniq-cdar-barter-openapi.yml
  - openapi/nielseniq-cdar-barterapi-openapi.yml
  - openapi/nielseniq-cdar-ecollection-openapi.yml
  - openapi/nielseniq-cdar-ecollectionapi-openapi.yml
  - openapi/nielseniq-cdar-gettoken-openapi.yml
  - openapi/nielseniq-cdar-gettokenprodna-openapi.yml
  - openapi/nielseniq-cdar-gnic-openapi.yml
  - openapi/nielseniq-cdar-gnicapi-openapi.yml
  - openapi/nielseniq-cdar-gnicus-openapi.yml
  - openapi/nielseniq-cdar-gnicusapi-openapi.yml
  - openapi/nielseniq-cdar-vendor-reports-openapi.yml
  - openapi/nielseniq-cip-galaxy-form-proxy-openapi.yml
  - openapi/nielseniq-cip-galaxy-proxy-openapi.yml
  - openapi/nielseniq-crmcasetrackapi-openapi.yml
  - openapi/nielseniq-rdecosystem-openapi.yml
  - openapi/nielseniq-rdecosystembb-openapi.yml
  - openapi/nielseniq-store-availability-bulk-openapi.yml

Work with this as data

Every security artifact here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for security posture

4 MCP tools reach this
  • find_securityBrowse and filter every security artifact in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This security artifact 
curl "https://apis.io/api/v1/security/nielseniq-authentication"
All security posture 
curl "https://apis.io/api/v1/security?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.