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Hemesh Surana avatar image
Hemesh Surana asked Phong Vu commented

Error AGW-402 Authorization header invalid error

On sending sms, I am getting this authorization header error, I am authorizing through basic auth. Please help to resolve this

rest api
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With this much info, I don't know who can help you out.

Please, at least tell us what programming language (SDK or tool if any) and how did you login to RingCentral before you call the SMS endpoint.

Help us to help you.

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Developer sandbox tools

Using the RingCentral Phone for Desktop, you can dial or receive test calls, send and receive test SMS or Fax messages in your sandbox environment.

Download RingCentral Phone for Desktop:

Tip: switch to the "sandbox mode" before logging in the app:

  • On MacOS: press "fn + command + f2" keys
  • On Windows: press "Ctrl + F2" keys