Creating a REST endpoint for a GraphQL query

In this video, we demonstrate how you can convert a graphQL query into a REST endpoint.

0:00 Introduction
1:20 Creating the initial REST endpoint
2:31 Creating a Virtual Endpoint
8:53 Modifying headers

Example query:
https://countries.trevorblades.com/
{ countries {
name
capital
currency
}}

Virtual endpoint function:

function myTransformerFunction(request, session, config) {
var responseObject = {
Body: "THIS IS A VIRTUAL RESPONSE",
Code: 200
}
var response = transformationLogic(request)
responseObject.Body = response.body
return TykJsResponse(responseObject, session.meta_data)
}

function transformationLogic(request){
var requestObj = JSON.stringify({
"method":"POST",
"domain": "https://countries.trevorblades.com/",
"headers":{"content-type":"application/json"},
"body": JSON.stringify({
"query":"{countries{name, capital, currency}}"
})
})
var responseObj = TykMakeHttpRequest(requestObj)
return JSON.parse(responseObj)
}

For more information about Tyk Virtual Endpoints: https://tyk.io/docs/advanced-configuration/compose-apis/virtual-endpoints/

#APImanagement #GraphQL #tykhoyoutube
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