Alexa Smart Home Skill, failed to linking account.

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steven asked · Aug 26, 2016 at 08:03 AM

Alexa Smart Home Skill, failed to linking account.

Dear ALL,

I'm going to make a Smart Home Skill on Alexa, but we were failed in the Account Linking part. I have created my skill and completed the configuration part such the Account Link URL, Access Token URI... and something else.

During our testing, our authorization server got client_id, state, response_type, scope and redirect_url successfully. But since we return our code & state by redirect the redirect_url that given by AMAZON, we didn't receive any access token request in our Access Token URI endpoint server, and the explorer just shows "An error occurred while attempting to link Alexa with the external provider. Please try again later.".

I found some solutions in the forum that saying this issue is due to the self-signed SSL certificate, so we are using the SSL certificate signed by COMODO now, but the error still happened. Can we get more information or any solutions here?

Here is my configuration: Account Link URL: https://www.XXXXXX.com/cgi-bin/login.cgi

Redirect URL:https://pitangui.amazon.com/api/skill/link/M1A5XXXXXXXX3N

Access Token URI:https://www.XXXXXX.com/cgi-bin/oauth2/accessToken

and here is my authorization code reply:

https://pitangui.amazon.com/api/skill/link/M1A5XXXXXX3N?state=eyJpbml...24iOjF9&code=rJHEx...Yh3L23rj9A3r

Is anyone got same issue and solved it?

alexa skills kit alexa smart home account linking ssl

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4 Answers

Answer 1 · 2016-08-31T17:37:01Z

NickG@Amazon answered · Aug 31, 2016 at 05:37 PM

Hi,

Does this appear on all platforms? Specifically in the mobile app versus the desktop website (alexa.amazon.com)

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steven · Sep 01, 2016 at 02:06 AM

Hi, @NickG@Amazon

Thanks for your reply.

Yes, we have tested on iPad, iPhone and Window PC.

Our access token URI didn't receive any access token request from AMAZON.

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Answer 2 · 2016-09-01T03:22:54Z

Ikkysleepy answered · Sep 01, 2016 at 03:22 AM

What credential auth are you using? If you are using Client Authentication Scheme try changing it to Credentials in Request Body on your Skill. Also verify that the Client ID and Client Secret are being sent to your server.

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steven · Sep 06, 2016 at 01:33 AM

I have try both of credential auth, but still can't receive access token request.

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Answer 3 · 2016-09-06T01:47:30Z

steven answered · Sep 06, 2016 at 01:47 AM

We change our SSL certificate to DigiCert now, their tech service says that their certificate can work with AMAZON's servers. However, this issue still existed, so I tried to modify my "state" parameter to a wrong value, and I found that it won't show any error message but a white web page. If this means that AMAZON's servers can receive our parameter and check it, why we still can't get the access token request after we using the approved certificate.

Anyone can help us to tracing this?

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Answer 4 · 2016-09-06T04:15:08Z

WangChao@Amazon answered · Sep 06, 2016 at 04:15 AM

Hi Steven,

Could you please run a scan on your server with some tools like https://www.ssllabs.com/ssltest/index.htmland see if there are any potential risks?

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Alexa Smart Home Skill, failed to linking account.

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