GraphQL example

Key Features

Free and public: No API key or authentication required.

GraphQL Schema: Explore relationships between countries, continents, and languages easily.

Use cases: Testing GraphQL clients, learning schema navigation, building demos, etc.

Usage Instructions

In the "success" debug base under this endpoint, you can directly make requests to the GraphQL API.

The query field has already been filled out.

Click the refresh button next to "Schema fetched" to fetch the schema.

Click send to directly send the request and receive a response.

Endpoint

GraphQL Endpoint:

https://countries.trevorblades.com/

Main Schema Objects

Country

Fields: code, name, native (native name), phone (country calling code), continent, capital, currency, languages, emoji, etc.

Continent

Fields: code, name, countries (list of countries in the continent)

Language

Fields: code, name, native (native name)

Example Queries

Get all countries with their code and name:

Get details of a single country:

List all continents and the countries in each:

How to Use

You can access the API via your own GraphQL client, curl, or visit the GraphQL Explorer for Countries API in your browser.

Supports introspection, so you can see the full schema and documentation directly in the GraphQL Playground.

Common Use-Cases

Frontend prototyping: For dropdowns (countries, continents, etc.)

Demo apps: Populate select inputs without backend work.

GraphQL learning: Practice writing queries and navigating relationships with real data.

Request

Authorization

JWT Bearer

Add the parameter

Authorization

to Headers

Example:

Authorization: ********************

OAuth 2.0

Authorization Code

Add the parameter

Authorization

to Headers，whose value is to concatenate the Token after the Bearer.

Example:

Authorization: Bearer ********************

Authorize URL: https://auth.petstoreapi.com/authorize

Token URL: https://auth.petstoreapi.com/token

Refresh URL: https://auth.petstoreapi.com/refresh

Body Params application/json

curl --location '/' \ --header 'Authorization: Bearer <token>' \ --header 'Content-Type: application/json' \ --data '{ "query": "string", "variables": { "property1": "string", "property2": "string" } }'

Key Features#

Usage Instructions#

Endpoint#

Main Schema Objects#

Example Queries#

How to Use#

Common Use-Cases#

Request

Responses

Key Features

Usage Instructions

Endpoint

Main Schema Objects

Example Queries

How to Use

Common Use-Cases