You can access the SonicJs GraphQL API at: http://localhost:3018/graphql
You should see the graphQL UI:
Clicking on "RootQueryType" will expand the list of queries:
Here is an example of getting all site content of type "page":
{
contents(sessionID: "Fsjf-npf77LG8Z1bGuD5hei5dyZTIAIq" contentTypeId:"page") {
id
contentTypeId
data
createdByUserId
createdOn
lastUpdatedByUserId
updatedOn
}
}