what3words · Authentication Profile

What3Words Authentication

Authentication

what3words secures its APIs with apiKey across 2 declared security schemes, as derived from its OpenAPI definitions.

GeocodingAddressingLocationThree Word AddressMaps
Methods: apiKey Schemes: 2 OAuth flows: API key in: header, query

Security Schemes

ApiKeyQuery apiKey
· in: query (key)
ApiKeyHeader apiKey
· in: header (X-Api-Key)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/what3words-openapi.yml
summary:
  types:
  - apiKey
  api_key_in:
  - header
  - query
schemes:
- name: ApiKeyQuery
  type: apiKey
  in: query
  parameter: key
  sources:
  - openapi/what3words-openapi.yml
- name: ApiKeyHeader
  type: apiKey
  in: header
  parameter: X-Api-Key
  sources:
  - openapi/what3words-openapi.yml