1/7/2023 0 Comments Archive org![]() Please note that for private collections, you have to include the collection ID in order to see results. The above example query will return only the portion of the CDX index that includes captures of from Archive-It collection #4399. To focus your queries to return results from only one specified Archive-It collection, replace ‘ all ’ in the endpoint’s query string with the desired collection’s collection ID number : In order to customize this, simply change the ending URL. The above query will return a portion of the Archive-It’s CDX index, one capture per row, for each capture of the URL "" that is available in Archive-It Wayback. ![]() The only required parameter for the CDX server is the url= parameter. The name of the WARC file in which the queried data is storedĪRCHIVEIT-8232-CRAWL_SELECTED_Īccess the CDX/C API by clicking on the green CDX button on the Calendar page for an archived document.Īlternatively, CDX/C API queries may be made by curl command or in a web browser. The document’s volume of bytes within its WARC fileīyte start point for the document in its WARC file ![]() Indicates presence of login prompt or other crawler obstruction The unique, Base32-encoded SHA-1 checksum value for the document, to distinguish it from others HTTP response code for the document at the time of its crawling The document captured, as expressed as a URL The document captured, expressed as a SURT At this time, and in the order in which they appear by default, these publicly available attributes in the CDX/C index are: These attributes of this record are described in the table below. For instance, the first record for the query: appears as: Each line (“record”) indicates a crawled document. The CDX/C is effectively a table of plain text data. To see how partner Greg Wiedeman of the University at Albany, SUNY, uses the CDX/C to dynamically query the index for records to reference in finding aids for collections in which websites are captured on a regular and ongoing basis, see his Archive-It blog guest post: A Sustainable, Large-Scale, Minimal Approach to Accessing Web Archives. They may also find and filter by various other capture attributes in order to analyze the extent and nature of their collecting any specified documents or hosts. Partners can use the API to find out if and when specific documents were archived, and to locate that data in its WARC file storage, among other things. Using the CDX/C API to query Archive-It data is a quick and easy way to discover if and to what extent web content has been archived by Archive-It partners. Unlike the global Wayback index at, the CDX/C API enables querying of archived data by collection, meaning that a user may query it to discover records of captures within one of their own, another Archive-It partner’s, or all Archive-It partners’ collections. įor more information on the general CDX file format, see: Why "CDX/C"? The CDX server is deployed as part of the Wayback browsing interface and was derived from the CDX server deployed for the general archive at, as part of the open-source Wayback Machine software. The index's server responds to GET queries and returns the plain text CDX data. The index format is known as 'CDX' and contains various fields that describe each record, sorted by URL and date. Archive-It’s Wayback CDX is the index of all archived content that the Wayback browsing interface uses to lookup and serve the specific captures requested by an end-user, such as from the Wayback calendar page.
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