pass JSON to HTTP POST Request

Question

I m trying to make a HTTP POST request to the google QPX Express API  1  using nodejs and request  2    My code looks as follows          create http request client to consume the QPX API     var request   require  request           JSON to be passed to the QPX Express API     var requestData              request                  slice                                            origin    ZRH                        destination    DUS                        date    2014-12-02                                                passengers                      adultCount   1                   infantInLapCount   0                   infantInSeatCount   0                   childCount   0                   seniorCount   0                             solutions   2               refundable   false                         QPX REST API URL  I censored my api key      url    https   www googleapis com qpxExpress v1 trips search key myApiKey          fire request     request           url  url          json  true          multipart                chunked  false              data                                           content-type    application json                       body  requestData                                                  function  error  response  body            if   error  amp  amp  response statusCode     200                console log body                    else                console log  error      error              console log  response statusCode      response statusCode              console log  response statusText      response statusText                     What I m trying to do is passing the JSON using the multipart argument  3   But instead of the proper JSON response I got an error  400 undefined    When I make a request using the same JSON and API Key using CURL instead  it works fine  So there s nothing wrong with my API key or JSON   What s wrong with my code   EDIT   working CURL example   i  I saved the JSON which I would pass to my request into a file called  request json         request          slice                      origin    ZRH            destination    DUS            date    2014-12-02                      passengers            adultCount   1         infantInLapCount   0         infantInSeatCount   0         childCount   0         seniorCount   0             solutions   20       refundable   false         ii  then  in the terminal I switched to the directory in which the newly created request json file was located and run  myApiKey stands for my actual API Key obviously    curl -d  request json --header  Content-Type  application json  https   www googleapis com qpxExpress v1 trips search key myApiKey    1  https   developers google com qpx-express   2  a http request client designed for nodejs  https   www npmjs org package request  3  here is an example I found https   www npmjs org package request multipart-related  4  QPX Express API is returning 400 parse error

User · Answer

Example   var request   require  request     var url    http   localhost 3000    var requestData                 var data         url  url      json  true      body  JSON stringify requestData     request post data  function error  httpResponse  body       console log body         As inserting json  true option   sets body to JSON representation of value and adds  Content-type    application json  header  Additionally  parses the response body as JSON  LINK

User · Answer

you can pass the json object as the body third argument  of the fetch request

User · Answer

I worked on this for too long   The answer that helped me was at  send Content-Type  application json post with node js  Which uses the following format   request       url  url      method   POST       headers             content-type    application json                  json  requestData     body  JSON stringify requestData         function  error  resp  body

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Now with new JavaScript version  ECMAScript 6 http   es6-features org  ClassDefinition  there is a better way to submit requests using nodejs and Promise request  http   www wintellect com devcenter nstieglitz 5-great-features-in-es6-harmony   Using library  https   github com request request-promise  npm install --save request npm install --save request-promise   client     Sequential execution for node js using ES6 ECMAScript var rp   require  request-promise     rp       method   POST       uri   http   localhost 3000        body            val1   1          val2   2            json  true    Automatically stringifies the body to JSON    then function  parsedBody            console log parsedBody              POST succeeded                catch function  err            console log parsedBody              POST failed              server   var express   require  express         bodyParser   require  body-parser     var app   express     app use bodyParser json      app post      function request  response       console log request body           your JSON      var jsonRequest   request body      var jsonResponse            jsonResponse result   jsonRequest val1   jsonRequest val2       response send jsonResponse         app listen 3000

User · Answer

I feel   var x   request post          uri  config uri         json  reqData           Defining like this will be the effective way of writing your code  And application json should be automatically added  There is no need to specifically declare it

User · Answer

I think the following should work      fire request request       url  url      method   POST       json  requestData          In this case  the Content-type  application json header is automatically added

User · Answer

var request   require  request            request               url   http   localhost 8001 xyz               json  true              headers                     content-type    application json                              body  JSON stringify requestData             function error  response  body                console log response

User · Answer

According to doc   https   github com request request  The example is     multipart          chunked  false        data                         content-type    application json              body  JSON stringify  foo   bar    attachments    message txt    follows  true  length  18   content type    text plain                                  I think you send an object where a string is expected  replace   body  requestData   by   body  JSON stringify requestData

User · Answer

You don t want multipart  but a  plain  POST request  with Content-Type  application json  instead  Here is all you need   var request   require  request     var requestData       request        slice                    origin   ZRH           destination   DUS           date   2014-12-02                     passengers          adultCount  1        infantInLapCount  0        infantInSeatCount  0        childCount  0        seniorCount  0            solutions  2      refundable  false         request  https   www googleapis com qpxExpress v1 trips search key myApiKey             json  true  body  requestData            function err  res  body          body  is a js object if request was successful

[json] pass JSON to HTTP POST Request

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