# Backend API Version 14.7.6 Due to issues experienced with Twilio (EU regulations surrounding delivery of messages using local numbers, confusing user experience around the use of Authy services), we made a migration of Keeper SMS 2FA services to Amazon AWS, our infrastructure provider. The new backend SMS capabilities of Amazon AWS provide the following benefits: * Local delivery of phone numbers via Short Codes * Fast and reliable delivery * Full integration into Keeper's existing AWS infrastructure We apologize for any disruption of SMS 2FA services over the past several days as we have completed the migration. If you have any questions or experience any issues receiving SMS messages from Keeper, please contact support or switch to a TOTP-based authentication method, such as Google Authenticator or Duo. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.keeper.io/release-notes/jp/backend/backend-api/older/backend-api-version-14.7.6.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.