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
ApiKeyHeader apiKey
Source
Authentication Profile
Work with this as data
Every security artifact here is available over the APIs.io API and to AI agents over MCP.