"Problems parsing JSON" while sending a http request to a graphql api

Question

I'm trying to send a http request to Githubs graphql api(v4). My guess is that the format of my query is wrong. The code below is used to send a POST request to the api.

app.get('/fetch-data', function(req, res, next) {
    const access_token = settings.dev.TOKEN;
    const query = {query: { viewer: { 'login': 'muckbuck' } }};

    const options = {
        uri: 'https://api.github.com/graphql',
        method: 'POST',
        headers: {
            'Accept': 'application/json',
            'Authorization': "Bearer " + access_token,
            'User-Agent': 'request',
            'contentType': "application/graphql",
        },
        data: query
    };

    function callback(error, response, body) {
        console.log(response.body)
        if (!error && response.statusCode == 200) {
            console.log(body);
            console.log('lol');
        }
    }
    request(options, callback);



});

The error message that I get:

{"message":"Problems parsing JSON","documentation_url":"https://developer.github.com/v3"}

Sure about "contentType"? Shouldn't that be "content-type"??? — Julian Reschke
– Julian Reschke, Commented Aug 8, 2017 at 13:35
Yes I think you are right but sadly it does not solve the problem. — muckbuck
– muckbuck, Commented Aug 8, 2017 at 13:44

DaSourcerer · Accepted Answer · 2017-08-09 00:10:07Z

1

I believe your GraphQL is malformed in that the query key is supposed to contain a string, not a complex structure. See also this example from the GitHub API documentation.

You may also want to set Content-Type to application/json as is recommended by the GraphQL introduction. application/graphql does not seem to be a registered media type and appears to alter the behaviour of GraphQL.

answered Aug 9, 2017 at 0:10

DaSourcerer

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2 Comments

muckbuck Over a year ago

Thanks, I changed the query to: { "query": "query:{viewer:{login}}" };. I also changed the Content-Type to application/json but it's still not parsing correctly :/. There was also a note about escaping some characters in the link, don't know how to do that, will have to google it I guess.

DaSourcerer Over a year ago

Try with { "query": "query { viewer { login } }" }. GraphQL isn't JSON. Again, check the example.

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