Does verifying a JWT in API middleware always hit the Auth0 servers?

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1

Im trying to understand the delays inherent in using the auth JWT middleware (express). Does it always make a trip to the Auth0 servers when validating the tokens on each request?

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Hi Jeff,

As long as the middleware caches the verification keys, you do NOT make a trip to the Auth0 servers, except for the very first token verification. On the first token, it retrieves the key, and then caches it and uses it.

John

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Thank you for helping on this one John!

4

Great! I guess that the auth0 express middleware sdk will do that caching. Thanks!

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