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Error 20152

Product: Platform

Error - 20152

Invalid Header

The header of the JWT provided to the Twilio API was invalid.

Possible Causes

  • The structure of the header was invalid.
  • Required header values not provided
  • Provided header values invalid.

Possible Solution:

  • For the details on JWTs used as part of Public Key Client Validation, see the documentation
  • To check whether the JWT is structurally correct, you can use the tools available at
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