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Why are the ruparams that I use in the following eBay SignIn url being ignored?
If you need to send parameters in the Auth & Auth SignIn url to get a User's token, you need to ensure that you use the correct encoding. For example, URL encoding for & is %26, however in the above URL, it is specified as %2. If the encoding is incorrect, the parameters will be ignored. To return the parameters correctly in the AcceptURL, along with the token, the above example needs to be modified as below:
When the user signs in successfully, the accept URL will return the paramaters similar to the following: