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Forum Discussion
Unable to Retrieve a new short-lived access token through Javascript
Hello, I followed the approach described in below post to get refresh token https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Get-refresh-token-from-access-token/td-p/596739 Through ...
That would change the "Content-Type" request header value that you send, but you need to also make sure the value you're sending in the body actually uses that format. That is, you should be formatting the parameters accordingly, not using JSON.stringify. For example, you may want to use URLSearchParams, or whatever functionality you prefer and have available for formatting the parameters accordingly.
Greg-DB
Dropbox Staff
Dropbox StaffThe parameters for the /oauth2/token endpoint should be sent as 'application/x-www-form-urlencoded' POST parameters, not JSON. I see your code is sending them as JSON so the API does not receive them and so the operation fails with that error. Please update your code to send the parameters using the 'application/x-www-form-urlencoded' format.
Hello Greg-DB
I tried with below, but the error remains same. Not sure where is the issue.
headers: {"Content-Type" : "application/x-www-form-urlencoded"}Thanks- Greg-DB
That would change the "Content-Type" request header value that you send, but you need to also make sure the value you're sending in the body actually uses that format. That is, you should be formatting the parameters accordingly, not using JSON.stringify. For example, you may want to use URLSearchParams, or whatever functionality you prefer and have available for formatting the parameters accordingly.
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