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Convert Weather REST API to a GraphQL API

Overview

This is an example to demonstrate how to convert an existing REST API to a GraphQL API using Ballerina.

This uses the Weather API REST api and converts it to a GraphQL API.

Prerequisites

• Download and Install Ballerina
• Obtain a valid API key from Weather API

Running the Example

To run this sample,

• Checkout this repository

• Go into the weather-rest-api-to-graphql directory

• Add a Config.toml file with the following content

  API_KEY="<Your weatherapi.com API key>"
  

  You can find a sample Config.toml file in the same directory, named Config.toml.sample.

• Then execute the following bal command

  bal run
  

• Test the API with builtin GraphiQL client on this link: http://localhost:4000/weather-test

About Ballerina GraphQL

Ballerina GraphQL is a Ballerina Standard Library that can be used to expose and consume GraphQL APIs.

Ballerina is an open-source project and it is licensed under Apache License 2.0 by WSO2, Inc.

Contributions are always welcome and a star on the GitHub repo is also appreciated!