Click on this link and login with your Amazon account email id and password.
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Step 2
On this screen scroll down to the section titled: Amazon MWS Developer Permissions.
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Step 3
Note down your Seller ID.
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Step 4
Click on the button 'Authorize a Developer'.
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Step 5
On the next screen, enter developer name as: TrueGether. Enter Developer ID as: 8108-5825-5497. Click Next.
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Step 6
On the next screen, accept terms and conditions. Click Next.
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Step 7
On the next screen, Note down your marketplace ID. Also note down your MWS Auth Token.
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Step 8
Now click on the 'Amazon MWS Permissions Developer Permissions' link on this page.
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Step 9
Scroll down to the section titled: Amazon MWS Developer Permissions. There are two tables in this section. In the second table, in the 'Action' Column, click on the link 'View your credentials'.