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  • TCIA Programmatic Interface (REST API) Usage Guide (Version 2)

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  • You access a resource by sending an HTTP request to the TCIA API server. The server replies with a response that either contains the data you requested, or a status indicator.
  • Every request must contain an API-KEY. The key can be included in the url by adding an extra query parameter api_key or it can be included in the HTTP headers. We strongly recommend that the API-KEY be sent via HTTP headers.
  • You can obtain one API-KEY and use that for your application; you do not need a separate API-KEY for each user of your software..  To obtain an API-Key please send a request to help@cancerimagingarchive.net  or contact TCIA's help desk by phone at: +1 314-747-4254
  • You can access the metadata of an API by appending /metadata to the end of a QueryEndpoint, without any QueryParameters (See below). The metadata is in JSON format and conforms to this schema
  • Most APIs can return results as CSV/JSON/XML/HTML. You can specify the return format by including the query parameter format

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  • You access a resource by sending an HTTP request to the TCIA API server. The server replies with a response that either contains the data you requested, or a status indicator.
  • You can access the metadata of an API by appending /metadata to the end of the query. See examples. The metadata is in JSON format and conforms to this schema
  • Most APIs can return results as CSV/JSON/XML/HTML. You can specify the return format by including the query parameter format
  • Every request must contain an API-KEY. The key can be included in the url by adding an extra query parameter api_key or it can be included in the HTTP headers.
    You can obtain one API-KEY and use that for your application; you do not need a separate API-KEY for each user of your software..  To obtain an API-Key please send a request to help@cancerimagingarchive.net  or contact TCIA's help desk by phone at: +1 314-747-4254.
  • An API request takes the following structure:
    <BaseURL><Resource><QueryEndpoint>?<QueryParameters><Format> 
    For example, the API shown below is a request to get all studies in the TCGA-GBM collection for patient GBM-0123 as CSV
    https://services.cancerimagingarchive.net/services/v2/TCIA/query/getPatientStudy?Collection=TCGA-GBM&PatientID=GBM-0123&format=csv
    This can be broken down as follows: 

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