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kailashvasan VK asked ·

ringout api c# soln - not getting authorized

ringout api c# soln - not getting authorized

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error code: OAU-251

unauthorized for Grant-type

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Phong Vu answered ·

Then there is nothing related to the ring-out endpoint. You problem is about authentication. What type of authentication is your app and how did you login the app before you call that API?

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can you please share your contact number to clarify on this.?

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There are lots of similar questions/answers in this forum. Just search for either "error code: OAU-251" or "unauthorized for Grant-type" to find answers.

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