October ACCS Release

[jhadobe]

This PR merges the changes for the ACCS October release. See individual PRs for details:

• Bulk API limits - ACCS-703 #564
• ACCS-1621: Document catalog price rule REST APIs for SaaS #621
• CCSAAS-5490 initiate upload recaptcha GraphQL #623
• ACCS-1156 Custom Shipping Discounts #624
• ACCS-1155 custom price rest #625

whatsnew
Updated Adobe Commerce Admin documentation for the October Adobe Commerce as a Cloud Service release:

• Updated Bulk endpoints and API security to explain that the Maximum Entities per Bulk Request Store Configuration setting controls Bulk API limits in Adobe Commerce as a Cloud Service.
• Added Catalog price rules, which explains how to manage catalog price rules with REST APIs in Adobe Commerce as a Cloud Service.
• Documented optional reCAPTCHA validation for the initiateUpload mutation.
• Added Custom shipping discounts, which describes how to apply, retrieve, and remove a custom shipping discount on a cart with the admin REST API.
• Added Cart item custom price API, which describes how admin and integration callers can set a custom price on cart items.

[github-actions]

🔍 Linter Report

Click to expand full report

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                     LINTER REPORT
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Generated: 2026-10-06T21:51:18.890Z
Mode: Full Linting (all rules + dead links check)
Target Directory: /home/runner/work/commerce-webapi/commerce-webapi
Skipped Rules:
  - check-frontmatter → src/pages/includes
  - missing-heading → src/pages/includes

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Files to process: 8

───────────────────────────────────────────────────────────────
📄 FILE: src/pages/config.md
───────────────────────────────────────────────────────────────
  ⚠️  WARNING
    Location: Line 1:1
    Message: Missing frontmatter section - add --- at the beginning with title and description
    Rule: check-frontmatter

───────────────────────────────────────────────────────────────
📄 FILE: src/pages/get-started/api-security.md
───────────────────────────────────────────────────────────────
  ⚠️  WARNING
    Location: Line 115:130
    Message: Unexpected dead URL `https://experienceleague.adobe.com/en/docs/commerce-admin/config/general/bulk-api`, expected live URL
    Rule: no-dead-urls

  ⚠️  WARNING
    Location: Line 11:41
    Message: Unexpected dead URL `https://owasp.org/www-project-api-security/`, expected live URL
    Rule: no-dead-urls

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📄 FILE: src/pages/rest/use-rest/bulk-endpoints.md
───────────────────────────────────────────────────────────────
  ⚠️  WARNING
    Location: Line 16:130
    Message: Unexpected dead URL `https://experienceleague.adobe.com/en/docs/commerce-admin/config/general/bulk-api`, expected live URL
    Rule: no-dead-urls


═══════════════════════════════════════════════════════════════
                        SUMMARY
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  📁 Files processed:    8
  📄 Files with issues:  3
  ❌ Total errors:       0
  ⚠️  Total warnings:     4
  📋 Total issues:       4

Result: ⚠️  PASSED WITH WARNINGS - No fatal errors

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This comment was automatically generated by the linter bot.

[github-actions]

🔍 Linter Report

Click to expand full report

═══════════════════════════════════════════════════════════════
                     LINTER REPORT
═══════════════════════════════════════════════════════════════

Generated: 2026-10-07T19:24:53.607Z
Mode: Full Linting (all rules + dead links check)
Target Directory: /home/runner/work/commerce-webapi/commerce-webapi
Skipped Rules:
  - check-frontmatter → src/pages/includes
  - missing-heading → src/pages/includes

───────────────────────────────────────────────────────────────

Files to process: 9

───────────────────────────────────────────────────────────────
📄 FILE: src/pages/config.md
───────────────────────────────────────────────────────────────
  ⚠️  WARNING
    Location: Line 1:1
    Message: Missing frontmatter section - add --- at the beginning with title and description
    Rule: check-frontmatter

───────────────────────────────────────────────────────────────
📄 FILE: src/pages/get-started/api-security.md
───────────────────────────────────────────────────────────────
  ⚠️  WARNING
    Location: Line 115:130
    Message: Unexpected dead URL `https://experienceleague.adobe.com/en/docs/commerce-admin/config/general/bulk-api`, expected live URL
    Rule: no-dead-urls

  ⚠️  WARNING
    Location: Line 11:41
    Message: Unexpected dead URL `https://owasp.org/www-project-api-security/`, expected live URL
    Rule: no-dead-urls

───────────────────────────────────────────────────────────────
📄 FILE: src/pages/rest/use-rest/bulk-endpoints.md
───────────────────────────────────────────────────────────────
  ⚠️  WARNING
    Location: Line 16:130
    Message: Unexpected dead URL `https://experienceleague.adobe.com/en/docs/commerce-admin/config/general/bulk-api`, expected live URL
    Rule: no-dead-urls


═══════════════════════════════════════════════════════════════
                        SUMMARY
═══════════════════════════════════════════════════════════════

  📁 Files processed:    9
  📄 Files with issues:  3
  ❌ Total errors:       0
  ⚠️  Total warnings:     4
  📋 Total issues:       4

Result: ⚠️  PASSED WITH WARNINGS - No fatal errors

═══════════════════════════════════════════════════════════════

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This comment was automatically generated by the linter bot.