Add "region" for AWS auth login API

[mehtani]

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[hashicorp-cla-app]

All committers have signed the CLA.

[github-actions]

Vercel Previews Deployed

Name	Status	Preview	Updated (UTC)
Dev Portal	✅ Ready (Inspect)	Visit Preview	Wed May 13 04:20:09 UTC 2026
Unified Docs API	✅ Ready (Inspect)	Visit Preview	Wed May 13 04:15:19 UTC 2026

[github-actions]

Broken Link Checker

This PR contains broken links, but won't be blocked. Use this report to improve content quality:

Quick Actions

• Internal links (HashiCorp sites): Please fix these - they impact user experience
• External links: Consider if these are essential or can be updated/removed
• Temporary issues: External sites may recover - check again before merging

Need Help?

• Review our Broken Link Monitoring docs
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---

Internal Links

Full Github Actions output

External Links

Summary

Status	Count
🔍 Total	12
✅ Successful	4
⏳ Timeouts	0
🔀 Redirected	3
👻 Excluded	5
❓ Unknown	0
🚫 Errors	0
⛔ Unsupported	0

Redirects per input

Redirects in content/vault/v2.x/content/api-docs/auth/aws.mdx

• [200] https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/verify-pkcs7.html | Redirect: Followed 1 redirect resolving to the final status of: OK. Redirects: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/verify-pkcs7.html --[302]--> https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/
• [200] https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/verify-rsa2048.html | Redirect: Followed 1 redirect resolving to the final status of: OK. Redirects: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/verify-rsa2048.html --[302]--> https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/
• [200] https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/verify-signature.html | Redirect: Followed 1 redirect resolving to the final status of: OK. Redirects: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/verify-signature.html --[302]--> https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/

Full Github Actions output

[schavis]

@mehtani Is this update for the May release? If so, please update the PR target to the release branch: vault/202605.

[mehtani]

@mehtani Is this update for the May release? If so, please update the PR target to the release branch: vault/202605.

This is valid for all the available binaries; we can backport this to documentation of 2.0, 1.20, 1.21, 1.19

[schavis]

@mehtani Is this update for the May release? If so, please update the PR target to the release branch: vault/202605.

This is valid for all the available binaries; we can backport this to documentation of 2.0, 1.20, 1.21, 1.19

Unfortunately, we don't have backport support for the content repos. If we want to apply the update to 1.21, 1.20, and 1.19, we need to update the corresponding files under those folders as well.

[mehtani]

@mehtani Is this update for the May release? If so, please update the PR target to the release branch: vault/202605.

This is valid for all the available binaries; we can backport this to documentation of 2.0, 1.20, 1.21, 1.19

Unfortunately, we don't have backport support for the content repos. If we want to apply the update to 1.21, 1.20, and 1.19, we need to update the corresponding files under those folders as well.

Alright, then please do the update on 2.0 only.

@mehtani Is this update for the May release? If so, please update the PR target to the release branch: vault/202605.

This is valid for all the available binaries; we can backport this to documentation of 2.0, 1.20, 1.21, 1.19

Unfortunately, we don't have backport support for the content repos. If we want to apply the update to 1.21, 1.20, and 1.19, we need to update the corresponding files under those folders as well.

Ok, if this is the case, then update only 2.0 documentation with this parameter.