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Setting Up Your MWS Credentials With OAXRAY

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What are MWS credentials?

MWS stands for Marketplace Web Services.  Amazon’s MWS program provides real-time marketplace data such as price, sales rank, and much more.  Each Amazon seller can get their own MWS credentials.

Why do you need my MWS credentials from Amazon?

We are requesting your MWS credentials for a new feature that will allow you to make scans of your own list of UPCs, ISBNs, EANs, or ASINs.   Without these credentials, adding this feature would cause the rest of our program to operate much more slowly since limits on how many requests you can make with their API.

So, how do I set up my MWS credentials with OAXRAY?

Good question.  Follow these steps:

  1. Go here:
  2. Click on the button like so: MWS-0
  3. Enter the Application Name: OAXRAY and the Application’s Developer Account Number: 4749-7295-6160.  It should appear like this:MWS-1
  4. Click next.  Then you’ll see a screen that looks like this:MWS-2a
  5. Read and accept the Amazon AWS License Agreement and accept responsibility for OAXRAY using your credentials.  (Don’t worry, we’ll be good.)
  6. Click next.  Then you’ll see a screen that looks like this: MWS-2
  7. Copy your (1) Seller ID, (2) Marketplace ID, and (3) MWS Auth Token for input into OAXRAY.  ***Note – If you have more than one option for Marketplace ID, choose the one for
  8. Now, go to the options page in OAXRAY. (Copy this and paste in your address bar in chrome and hit enter: chrome://extensions/?options=oogdoioldgknmlmaaekjfeengjhiekde )
  9. Enter your credentials into the appropriate boxes and save.  Now you’re good to go.  Use the Load CSV tab to run your own files of UPC’s, ASIN’s, etc.