Base64 Encode/Decode

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You can now find your Basic Authorization header in Basic Base64 in your Application Manager.

It's important to know that the Basic Authorization header in the OAuth2 request should be a base64 encoded string (in UTF-8 encoding) consisting of a concatenation of your client ID and Secret separated by a colon (client_id:client_secret) with the word "Basic" in front of it. The end result should look similar to this: Basic MzoxNGI1NmMyNs2Q3ZGFlYTA1NjJkMDcxMTUzMWRmY2ZlZQ==.

Use this small tool below to generate yours:

If this doesn't work you can always try this website base64encode.org. Alternatively, on OS X or Linux, with OpenSSL installed, open your terminal and run:

echo -n 'client_id:client_secret' | openssl base64