Simple Google App Script (javascript) Fetch API request

We're looking of a developer to help us access the Amazon MWS API (Amazon Marketplace Web Service - [url removed, login to view]) using a Google App Script making a Fetch call, and save output into a variable.

We want a functioning script to access the "Get Report" API request - returning the report in XLM or text format. (We'll provide an example ReportID + the SellerId, AWSAccessKeyId & Secret Key required my Amazon MWS).

We've been having difficulty with making the Fetch request/Signatures etc.

Apps Script – Google Apps Script

[url removed, login to view]

Amazon's scratchpad tool provides details on the request details, example below:

([url removed, login to view])










&ReportId=6357078170017416 HTTP/1.1

Host: [url removed, login to view]

x-amazon-user-agent: AmazonJavascriptScratchpad/1.0 (Language=Javascript)

Content-Type: text/xml

String to sign


[url removed, login to view]



Skills: Google App Engine, Javascript

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About the Employer:
( 53 reviews ) Los Angeles, United States

Project ID: #15121577

7 freelancers are bidding on average $74 for this job


Hello! I'm an experienced App scripts coder. What difficulty have you had with the request. Please tell me more! Relevant Skills and Experience Google App Engine Proposed Milestones $66 USD - Final

$66 USD in 1 day
(20 Reviews)

Greetings sir, i can help you to create Simple Google App Script (javascript) Fetch API request and your 100% satisfaction is assured if you allow me to serve. Relevant Skills and Experience I have the 5 years of ex More

$100 USD in 1 day
(8 Reviews)


$88 USD in 3 days
(9 Reviews)

Dear Sir or Ms. I am John, pleased to meet you. All your requirements are achievable. Relevant Skills and Experience I'm well experienced in Google Apps Script and G Suite. Please, take a look at my portfolio in my p More

$55 USD in 1 day
(14 Reviews)

I shall provide codes for executing the API call, fetching the data in Google App Script. Also, I shall process the XML data append it in the Google Sheet as rows. I could understand whats the issue! Relevant Skills a More

$50 USD in 1 day
(2 Reviews)

I am a Software Engineer specializing in end-to-end Web Development with GSuite expertise. I can craft scripts to make REST calls to Amazon's MWS API using Apps Script. Relevant Skills and Experience - Google Apps Sc More

$84 USD in 1 day
(0 Reviews)

Dear Sir/Madame, I made successful integration for Gmail and Redmine with Google script using REST API. The price is higher then you expected, but in it you will get best service possible. Relevant Skills and Experie More

$72 USD in 1 day
(0 Reviews)