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I have been trying to use several open source libraries to verify the JWS in the signedPayload I have tried auth0, jose4j, jsonwebtoken and have even tried raw java signature validation. None work on the tokens getting sent from the sandbox If i create the JWT locally using the private/public configured for my account. I can verify with ALL of the different methods. I am not getting any wrong algorithm or invalid key issues... its just saying the signature fails validation. Does anyone have this running in Java that can share some tips?? -john

Are there any libraries or specifications to generate Java code for this API? I can only see the html documentation on the site. Is there an actual spec?