Bearer
token. Any API requests that require authentication made without this
token will fail.
To authenticate you will use your Developer portal to obtain credentials which
can then be used to generate a token. Once you have an access token, you can
automatically sign transactions from your app’s wallet.
You should create a new credential for every service that needs to sign on
your behalf.
Obtain an Access Token
To obtain a token:- Go to your Developer Portal.
- Click Credentials.
- Click New Credential to generate a Client ID and Client Secret.

Be carefulYour credentials can be used to cause un-reversible interactions with the
blockchain. Take care to always use them securely.