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OpenAPI Specification
openapi: 3.2.0
info:
title: IQAir AirVisual Countries API
description: The IQAir AirVisual API provides real-time and forecast air quality and weather data worldwide. It offers endpoints for listing supported countries, states, and cities, retrieving air quality data for specific locations or nearest stations, and ranking cities by air quality index.
version: 2.0.0
contact:
name: IQAir
url: https://www.iqair.com
servers:
- url: https://api.airvisual.com/v2
description: IQAir AirVisual API v2
security:
- apiKey: []
tags:
- name: Countries
description: List supported countries
paths:
/countries:
get:
tags:
- Countries
summary: List supported countries
description: Returns a list of all countries supported by the AirVisual API.
operationId: listCountries
parameters:
- name: key
in: query
required: true
description: Your API key
schema:
type: string
responses:
'200':
description: Successful response
content:
application/json:
schema:
$ref: '#/components/schemas/CountriesResponse'
'400':
description: Bad request
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
'401':
description: Unauthorized - Invalid API key
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
'429':
description: Too many requests - Rate limit exceeded
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
components:
schemas:
ErrorResponse:
type: object
properties:
status:
type: string
example: fail
data:
type: object
properties:
message:
type: string
description: Error message
CountriesResponse:
type: object
properties:
status:
type: string
example: success
data:
type: array
items:
type: object
properties:
country:
type: string
description: Country name
securitySchemes:
apiKey:
type: apiKey
in: query
name: key
description: API key passed as a query parameter.