---
agentTools:
  siteIndex: https://techdocs.akamai.com/llms.txt
  projectIndex: https://techdocs.akamai.com/api-acceleration/llms.txt
---

# Sep 2, 2026 – Update to API Acceleration property configurations

* The following feature changes are now standard for all API Acceleration property configurations:
  * Default Rule
    * We add the Minimize payload rule as a child rule in the Default Rule.
    * We move the Compressible Objects rule from the Performance rule into the Minimize payload child rule.
    * In the Compressible Objects child rule, the Content type match condition is updated with the following values:\
      `application/javascript`, `application/_javascript_`, `application/json`, `application/xml`, `application/text_`, `application/vnd-ms-fontobject`, `application/vnd.microsoft.icon`, `application/x-font-opentype`, `application/x-font-truetype`, `application/x-font-ttf`, `application/xmlfont/eot`, `font/eot`, `font/opentype`, `font/otf`, `image/svg+xml`, `image/vnd.microsoft.icon`, `image/x-icon`, `text/`, `application/octet-stream`, `application/x-font-eot_`, `font/ttf`, `application/font-ttf`, `application/font-sfnt`, `application/x-tgif`, `text/html_`, `text/css_`, `application/x-javascript_`, `application/javascript_`, `text/javascript_`, `text/plain_`, `text/xml_`, `application/vnd_`, `application/json*`, `application/x-javascript`, `application/x-json`, `application/+json`, `application/+xml`, `application/text`
    * Origin Brotli Support is added to Minimize payload as a child rule, with the [Brotli Support](https://techdocs.akamai.com/property-mgr/docs/brotli-support)  behavior set to “On”.
  * Augment insights
    * We add a new rule Augment insights to align the API Acceleration property configurations with the Ion property configurations.
    * [Enhanced Debug](https://techdocs.akamai.com/property-mgr/docs/enhanced-debug) moves from the Default Rule to the Augment insights rule as a child rule.
  * Accelerate delivery
    * We rename the Performance rule into the Accelerate delivery rule.
    * We add the Origin connectivity rule as a child rule with the [DNS Asynchronous Refresh](https://techdocs.akamai.com/property-mgr/docs/dns-asynchronous-refresh) behavior moved here from the Performance rule.
    * We add the Protocol optimizations rule as a child rule with the following behaviors added or moved here from the Performance rule:
      * [HTTP/3](https://techdocs.akamai.com/property-mgr/docs/http3-support)
      * [HTTP/2](https://techdocs.akamai.com/property-mgr/docs/http2-support)
      * [SureRoute](https://techdocs.akamai.com/property-mgr/docs/sureroute-beh)
      * [Chunked Transfer Encoding](https://techdocs.akamai.com/property-mgr/docs/chunked-transfer-encoding)
      * [Early Data (0-RTT)](https://techdocs.akamai.com/property-mgr/docs/early-data-0rtt) set to “On”
      * [Early Data (0-RTT) Advanced](https://techdocs.akamai.com/property-mgr/docs/early-data-0rtt-advanced) with the Supported HTTP Methods option set to “GET” and the Query String Parameters option set to “Deny”.
  * Offload origin
    * We rename the Offload rule to Offload origin.
    * The [Validate Entity Tag (ETag)](https://techdocs.akamai.com/property-mgr/docs/val-entity-tag) behavior is set to “On”, with the Allow non-strict Strong ETags and Support Weak ETags options also set to “On”.
  * Strengthen security
    * We add the Allowed methods rule as a child rule in Strengthen security and move here the following behaviors from the Default Rule:
      * [Allow All Methods on Parent Servers](https://techdocs.akamai.com/property-mgr/docs/allow-methods-parent-servers) set to “On”
      * [Allow POST](https://techdocs.akamai.com/property-mgr/docs/allow-post)
      * [Allow PUT](https://techdocs.akamai.com/property-mgr/docs/allow-put)
      * [Allow PATCH](https://techdocs.akamai.com/property-mgr/docs/allow-patch)
      * [Allow DELETE](https://techdocs.akamai.com/property-mgr/docs/allow-delete)
      * [Allow OPTIONS](https://techdocs.akamai.com/property-mgr/docs/allow-options)