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AWS amazonq documentation change

Service: amazonq · 2026-07-01 · Documentation low

File: amazonq/latest/qbusiness-ug/making-sigv4-authenticated-api-calls-anonymous-applications.md

Summary

Inserted service discontinuation notice for new Amazon Q Business signups after July 2026

Security assessment

Change relates to service availability, not authentication mechanisms or API security. No impact on SigV4 documentation.

Diff

diff --git a/amazonq/latest/qbusiness-ug/making-sigv4-authenticated-api-calls-anonymous-applications.md b/amazonq/latest/qbusiness-ug/making-sigv4-authenticated-api-calls-anonymous-applications.md
index 784abeaca..eb4d249cd 100644
--- a//amazonq/latest/qbusiness-ug/making-sigv4-authenticated-api-calls-anonymous-applications.md
+++ b//amazonq/latest/qbusiness-ug/making-sigv4-authenticated-api-calls-anonymous-applications.md
@@ -8,0 +9,2 @@ PrerequisitesOne-time setupWorkflow for each API call session
+Amazon Q Business will no longer be open to new customers starting on July 31, 2026. If you would like to use the service, please sign up prior to July 30. For capabilities similar to Q Business, explore Amazon Quick. [Learn more](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/qbusiness-availability-change.html).
+