CCU REST API Developers Guide

 

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Contents

Introduction

The Content Control Utility (CCU) is Akamai's technology for purging Edge content by request. The Luna Control Center provides a graphical interface to CCU for content administrators. The CCU REST API provides a programmatic interface for developers.

Prerequisites

To use the CCU REST API effectively, you must be familiar with your Akamai content model and the ARLs, URLs, and CP codes used to identify your content. Beyond that, the CCU REST API is a simple API for automating content purge requests.

For more information on content control using TTL (Time to Live) methods, refer to the following overview:

Time to Live (TTL) in Cache: Methods and Considerations**.

Programming

The CCU REST API provides a RESTful, HTTP-based API with simple JSON objects and informative HTTP messages for customers needing programmatic purge control of Edge content. You can easily use it with most programming languages.

The base URL for the API is:

https://api.ccu.akamai.com

The API has two types of resources:


For these resources, the API supports three types of requests:


NOTE: The CCU REST API replaces the older SOAP-based CCUAPI. See the Other Interfaces section for more information about CCU API and the separate Enhanced Content Control Utility (ECCU) API.

Basics

The CCU REST API:


NOTE: The draft specification for the application/api-problem+json media type can be found here.

The following are common fields included in the response body:

Making a Purge Request

To make a simple purge request:


To construct the request object:


See the Reference section for more options.

The URL structure for the endpoint is:

https://api.ccu.akamai.com/ccu/v2/queues/default

A simple purge request of type arl looks like this:

{  
    "objects" : [
        "/f/4/6848/4h/www.foofoofoo.com/index.php",
        "/f/4/6848/4h/www.oofoofoof.com/index2.php",
        "http://www.example.com/graphics/picture.gif",
        "http://www.example.com/documents/brochure.pdf"
   ]
}

A simple purge request of type cpcode looks like this:

{
   "type" : "cpcode",
   "objects" : [
      "334455"
   ]
}

A typical successful response looks like this:

{
   "httpStatus" : 201,
   "detail" : "Request accepted.",
   "estimatedSeconds" : 420,
   "purgeId" : "95b5a092-043f-4af0-843f-aaf0043faaf0",
   "progressUri" : "/ccu/v2/purges/95b5a092-043f-4af0-843f-aaf0043faaf0",
   "pingAfterSeconds" : 420,
   "supportId" : "17PY1321286429616716-211907680"
}

A 201 response message indicates the network successfully created a purge request.

The pingAfterSeconds field indicates how long to wait before calling Purge Status. Use the progressUri link to make Purge Status calls.

You can use curl to try Purge Request from the command line, assuming you have credentials and test data to use.

curl https://api.ccu.akamai.com/ccu/v2/queues/default -H "Content-Type:application/json" -d '{"objects":["/f/4/6848/4h/www.foo2.com/"]}' -u test1:pass1

Accessing Message Detail

When an API error occurs, the API provides a response with information about the error. In the curl example below, assume you are not authorized to use CP code 999.

curl https://api.ccu.akamai.com/ccu/v2/queues/default -H "Content-Type:application/json" -d '{"type" : "cpcode", "objects" : ["999"]}' -u test1:pass1

Here is a sample response for this scenario:

{
    "supportId" : "17PY1366767251622255-198714464", 
    "title" : "unauthorized cpcode", 
    "httpStatus" : 403, 
    "detail" : "999", 
    "describedBy" : "https://api.ccu.akamai.com/ccu/v2/errors/unauthorized-cpcode"
}

The httpStatus code may map to more than one error. title indicates the specific error. describedBy provides a URI to a verbose description which the API returns as an HTML document. The curl example below retrieves the HTML document.

curl https://api.ccu.akamai.com/ccu/v2/errors/unauthorized-cpcode -u test1:pass1

The HTML document describes the error. The detail field returned previously provides specific detail about the error. In this example, it contains the unauthorized CP code.

<html>
<head><title>unauthorized-cpcode</title></head>
<body>
    Permission to purge a cpcode was denied.
    <p>The detail element of the response may contain additional information.</p>
</body>
</html>

Checking Purge Status

After making a purge request, you can check its status with Purge Status. Always use the progressUri field returned from the purge request as the link to status information. (Do not derive the link from other details.) Use pingAfterSeconds to time the Purge Status call.

The URL structure is:

https://api.ccu.akamai.com<progressUri>


A typical successful response looks like this:

{
    "originalEstimatedSeconds": 480, 
    "progressUri": "/ccu/v2/purges/142eac1d-99ab-11e3-945a-7784545a7784", 
    "originalQueueLength": 6, 
    "purgeId": "142eac1d-99ab-11e3-945a-7784545a7784", 
    "supportId": "17SY1392844709041263-238396512", 
    "httpStatus": 200, 
    "completionTime": null, 
    "submittedBy": "test1", 
    "purgeStatus": "In-Progress", 
    "submissionTime": "2014-02-19T21:16:20Z", 
    "pingAfterSeconds": 60
}

A 200 response message indicates a successful status request. The purgeStatus return provides the status, which is either Done, In-Progress, or Unknown.

originalEstimatedSeconds references the estimated seconds given at the time the purge request was received and originalQueueLength indicates the length of the queue at that time.

submissionTime indicates the time the request was accepted, while completionTime indicates the time the request was completed. A value of null indicates that the request is not yet complete. In the example above, the request is not complete and the pingAfterSeconds field is updated to recommend a time for the next status check.

You can use curl to try Purge Status from the command line.

curl https://api.ccu.akamai.com<progressUri> -u test1:pass1

Checking Queue Length

Queue Length allows you to check the approximate number of outstanding purge requests in your purge request queue. Each ARL or CP code submitted through a purge request increases the count by one. Although the CCU throttles the execution of purge requests to optimize network performance, there is still a limit of 10,000 objects in your queue. There is value in keeping your queue length short, because the time to complete the next purge is dependent on how many requests are ahead of it.

The URL structure is:

https://api.ccu.akamai.com/ccu/v2/queues/default

A typical successful response looks like this:

{
   "httpStatus" : 200,
   "queueLength" : 17,
   "detail" : "The queue may take a minute to reflect new or removed requests.",
   "supportId" : "17QY1321286863376510-220300384
}

A 200 response message indicates a successful request. The queueLength field provides the approximate number of outstanding requests.

You can use curl to try Queue Length from the command line.

https://api.ccu.akamai.com/ccu/v2/queues/default -u test1:pass1

Other Interfaces

The Akamai Content Control Interfaces document describes all the other interfaces to the CCU, including the Luna Control Center and the ECCU API. You can find it here**.

For information about the deprecated SOAP-based CCUAPI, refer to the legacy version of Akamai Content Control Interfaces**.

Reference

Purge Request

Description
Upload URLs/ARLs or CP codes to a purge request queue to refresh content by removal or invalidation.


CAUTION: Purging by CP code can significantly slow your origin server as Edge servers may need to refetch large amounts of data. Purging multiple CP codes may magnify this effect.

URL Structure
https://api.ccu.akamai.com/ccu/v2/queues/default
Method
POST with Content-Type set to application/json
Request Body
{
   "type" : "arl" or "cpcode" ,
   "action" : "remove" or "invalidate" ,
   "domain" : "production" or "staging" ,
   "objects": [<list-of-objects-to-refresh>]

}

Optional.
Optional.
Optional.
Required. Square brackets required.
Example of a purge request with all options specified:
{
   "type" : "cpcode",
   "action" : "invalidate",
   "domain" : "staging",
   "objects" : [
      "334455"
   ]
}
Parameters:
  • type (optional): arl (default) or cpcode. Requests of type arl can include ARLs, URLs, or both.
  • domain (optional): production (default) or staging.
  • action (optional): remove (default) or invalidate. remove deletes the content from Edge server caches. The next time an Edge server receives a request for the content, it will retrieve the current version from the origin server. If it cannot retrieve a current version, it will follow instructions in your server configuration. invalidate marks the cached content as invalid. The next time a server receives a request for the content, it sends an HTTP conditional GET (If-Modified-Since) request to the origin. If the content has changed, the origin server returns a full fresh copy. Otherwise, the origin normally responds that the content has not changed, and the Edge server can serve the already-cached content.
  • objects: An array of ARLs/URLs or an array of CP codes. To send CP codes, specify cpcode as the type field.
Response
{
  "httpStatus" : 201,
  "detail" : "Request accepted.",
  "estimatedSeconds" : 420,
  "purgeId" : "95b5a092-043f-4af0-843f-aaf0043faaf0",
  "progressUri" : "/ccu/v2/purges/95b5a092-043f-4af0-843f-aaf0043faaf0",
  "pingAfterSeconds" : 420,
  "supportId" : "17PY1321286429616716-211907680"
}
Fields:
  • estimatedSeconds: The estimated time needed to complete the purge request.
  • purgeId: An identifier for the purge request.
  • progressUri: A URI for use with the Purge Status API.
  • Common response fields are described here.
Notes

Currently, this endpoint only recognizes the default purge request queue. Changing "default" in the URI structure will fail and generate an HTTP 404 status code queue not found.

Purge Status

Description
Use the progressUri field returned for a purge request to check on its status.
URL Structure
https://api.ccu.akamai.com<progressUri>
  • progressUri: A link to use in a GET request for status information on a specific purge request.
Method
GET
Response
{
    "originalEstimatedSeconds": 480, 
    "progressUri": "/ccu/v2/purges/142eac1d-99ab-11e3-945a-7784545a7784", 
    "originalQueueLength": 6, 
    "purgeId": "142eac1d-99ab-11e3-945a-7784545a7784", 
    "supportId": "17SY1392844709041263-238396512", 
    "httpStatus": 200, 
    "completionTime": null, 
    "submittedBy": "test1", 
    "purgeStatus": "In-Progress", 
    "submissionTime": "2014-02-19T21:16:20Z", 
    "pingAfterSeconds": 60
}
Fields:
  • originalEstimatedSeconds: The seconds estimated for request completion at the time the purge request was received.
  • originalQueueLength: The length of the purge queue at the time the purge request was received.
  • purgeId: The ID of the purge request.
  • purgeStatus: Returns Done, In-Progress, or Unknown. Unknown indicates the request ID is invalid, the request was very recently submitted, or the request was completed more than several days ago.
  • submittedBy: The authorized user who submitted the request.
  • Common response fields are described here.

Queue Length

Description
Check the number of outstanding objects in your queue.
URL Structure
https://api.ccu.akamai.com/ccu/v2/queues/default
Method
GET
Response
{
  "httpStatus" : 200,
  "queueLength" : 17,
  "detail" : "The queue may take a minute to reflect new or removed 
  requests.",
  "supportId" : "17QY1321286863376510-220300384"
}
Fields:
  • queueLength: The number of purge objects pending.
  • Common response fields are described here.

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