APIs.io · Authentication Profile

Apis Io Authentication

Authentication

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

API AggregationAPI DirectoryAPI DiscoveryAPI IndexingAPI RatingAPI SearchAPIs.jsonSearch Engine
Methods: apiKey Schemes: 2 OAuth flows: API key in: header

Security Schemes

api_key apiKey
· in: header (x-api-key)
ApiKeyAuth apiKey
· in: header (X-API-Key)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/apis-io-search-openapi.yaml, openapi/apis-io-v1-openapi.yml
summary:
  types:
  - apiKey
  api_key_in:
  - header
schemes:
- name: api_key
  type: apiKey
  in: header
  parameter: x-api-key
  sources:
  - openapi/apis-io-search-openapi.yaml
- name: ApiKeyAuth
  type: apiKey
  in: header
  parameter: X-API-Key
  description: Optional in v1. Defined so metering/rate-tiers can be enabled later without a
    breaking change.
  sources:
  - openapi/apis-io-v1-openapi.yml