Troubleshooting a 400 error code in the context of a Bad

I'm facing an issue while trying to retrieve a list of flights using Google's QPX Express API. I keep receiving a bad request response that has me puzzled:

{ StatusCodeError: 400 - {"error":{"errors":[{"domain":"global","reason":"badRequest","message":"Invalid inputs: received empty request."}],"code":400,"message":"Invalid inputs: received empty request."}}

Could it be possible that there is an error in the way I am structuring my request? I am utilizing the request-promise library for this operation.

const options = {
  method: 'POST',
  uri: 'https://www.googleapis.com/qpxExpress/v1/trips/search?key=XXXXXXXXXXXXXXX',

  qs: {
   "request": {
     "passengers": {
       "adultCount": 1 },
       "slice": [{"origin": "BOS",
                  "destination": "LAX",
                  "date": "2017-03-01"
                }]
              }
        },
    json: true
}

request(options)
  .then(function (response) {
    console.log(response)
  })
  .catch(function (err) {
    console.log(err)
  })
javascriptjsonexpressrequesthttp-post

Answer №1

Hooray! The problem has been successfully resolved. I discovered that the request needed to include the data within the body key and have the content-type set to JSON.

As a result, the API now delivers the expected data.

const options = {
  method: 'POST',
  uri: 'https://www.googleapis.com/qpxExpress/v1/trips/search?&key=XXXXXXXXXXXXXXXXXXXX',
  body: {
    "request": {
      "passengers": {
        "adultCount": "1"
      },
      "slice": [
        {
          "origin": "SFO",
          "destination": "LAX",
          "date": "2017-06-19"
        }
      ],
      "solutions": "1"
    }
  },
  json: true
}

request(options)
  .then(function (response) {
    console.log(response.trips.tripOption[0].saleTotal)
  })
  .catch(function (err) {
    console.log(err)
  })

Answer №2

Take a look at this:

const options = {
  method: 'POST',
  uri: 'https://www.googleapis.com/qpxExpress/v1/trips/search?key=XXXXXXXXXXXXXXX',

  qs: {
   "request": {
     "passengers": {
       "adultCount": 1 },
       "slice": [{"origin": "BOS",
                  "destination": "LAX",
                  "date": "2017-03-01"
                }]
              }
        },
    json: true
};

request(options)
  .then(function (response) {
    console.log(response);
  })
  .catch(function (err) {
    console.log(err);
  });

Make sure to properly close the uri string and don't forget those semicolons.

Update: Consider using:

request({
    url: (your url here),
    method: "POST",
    json: requestData
},

where you will replace requestData with your qs object.

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