Update headers.md

[nacharya1]

Updated Subscription Key link to Azure Portal

[learn-build-service-prod[bot]]

Learn Build status updates of commit a9f5a5b:

:warning: Validation status: warnings

File	Status	Preview URL	Details
bing-docs/bing-custom-search/reference/headers.md	:warning:Warning	View	Details
bing-docs/bing-web-search/resize-and-crop-thumbnails.md	:warning:Warning	View	Details

bing-docs/bing-custom-search/reference/headers.md

• Line 2, Column 1: [Warning: ms-author-missing - See documentation] Missing required attribute: 'ms.author'. Add the current author's Microsoft alias.
• Line 26, Column 233: [Warning: hard-coded-locale - See documentation] Link 'https://learn.microsoft.com/en-us/bing/search-apis/bing-web-search/create-bing-search-service-resource#create-your-bing-resource' contains locale code 'en-us'. For localizability, remove 'en-us' from links to most Microsoft sites.
• Line 26, Column 233: [Suggestion: docs-link-absolute - See documentation] Absolute link 'https://learn.microsoft.com/en-us/bing/search-apis/bing-web-search/create-bing-search-service-resource#create-your-bing-resource' will be broken in isolated environments. Replace with a relative link.

bing-docs/bing-web-search/resize-and-crop-thumbnails.md

• Line 9, Column 16: [Warning: ms-service-subservice-invalid - See documentation] Invalid value for 'ms.subservice': 'bing-web-search' is not valid with 'ms.service' value 'cognitive-services'.
• Line 12, Column 12: [Suggestion: ms-author-invalid - See documentation] Invalid value for 'ms.author', 'scottwhi' is not a valid Microsoft alias.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

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[learn-build-service-prod[bot]]

Learn Build status updates of commit d855c2b:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
bing-docs/bing-custom-search/reference/headers.md	:white_check_mark:Succeeded	View

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[learn-build-service-prod[bot]]

Learn Build status updates of commit 89bef18:

:x: Validation status: errors

Please follow instructions here which may help to resolve issue.

File	Status	Preview URL	Details
[]()	:x:Error		Details

• [Error: CannotMergeCommit] Cannot merge commit 89bef18f1bcae1722017b25e710413596b5cc440 in branch patch-2 of repository https://github.com/nacharya1/bing-docs into branch main (commit dcb68cf95215c10ed00d1b7b26eb5c041748110d). Please follow this documentation: https://help.github.com/articles/resolving-a-merge-conflict-using-the-command-line/ to use git.exe to resolve you content conflicts locally and then push to remote.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod[bot]]

Learn Build status updates of commit bd2899c:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
bing-docs/bing-custom-search/reference/headers.md	:white_check_mark:Succeeded	View
bing-docs/bing-web-search/resize-and-crop-thumbnails.md	:white_check_mark:Succeeded	View

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel