When using Fuse’s APIs, you must obtain an auth token when authenticating. If you are using Fuse's API v5.0 and above, you must obtain a JWT token (JSON Web Token) when authenticating. From v5.0 onwards, we’ve made some security enhancements, and as part of these enhancements, your JWT token expires and is replaced by a auth tokens expire and are replaced by new one at regular intervals.
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