Amazon ASIN lookup via MWS API

hello, i can complete this for you very quickly. i already have an existing library that will work for this. please message me so we can discuss in more detail. i am bidding on this project with the assumption that you already have an Amazon Developer account.

Hi, I've worked 3+ years for Amazon Seller company. I have good experiences and skills with Amazon MWS API. If you have MWS credentials or active seller account, then I can help you to find ASIN for UPC. I would be happy to discuss the details of your project. Looking forward to hearing from you soon. Regards

Hi, I am very much interested to work on your project. I have studied your requirements in detail and I am pleased to say that I am able to fulfill all the mentioned requirements of your job. I have advance level experience on eBay, Amazon, Walmart, Dicks sporting goods. I know very well which products are valuable & selling products. I have good experience with golf items, baseball, outdoor products. I know very well how to find out UPC TO AMAZON ASIN products. Finally, I hope that you will consider me for your project. I will be eagerly waiting for your response. Thanks a lot for taking the time to review my proposal. Thanks Amirul Islam