426 Upgrade Required

[TonyAnine]

Hello, after generating the apikey, I checked it immediately, and the interface returned 426, prompting that the client needs to be upgraded. I checked and found that the generated apikeys are all a1XXXXXX versions. How can I generate an a2 version of the apikey? In addition, the latest version of the truecaller otp interface is this: https://account-onboarding-noneu.truecaller.com/truecaller.accountonboarding.v1.AccountOnboarding/VerifyOnboardingOtp, but it uses the gRPC protocol. Have you studied it? Thank you

[zjgl1231]

Are you still researching? I'm also looking at this recently