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curl -d "username=USERNAME&password=PASSWORD&client_id=NBIA&grant_type=password" -X POST -k https://services.cancerimagingarchive.net/nbia-api/oauth/token |
If you don't have a TCIA account and want to test an API, you can access public data using the NBIA guest account with no password, as follows.
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curl -d "username=nbia_guest&password=&client_id=NBIA&grant_type=password" -X POST -k https://services.cancerimagingarchive.net/nbia-api/oauth/token |
Request a token by interacting with the application in the following way.
- The application requests credentials. The credentials you pass are different depending on if you want to access public or restricted data (see above).
The application sends a request to the service using the credentials you provided as a query string for the body.
- grant_type=password
- username
- password
The service responds with access token details and expiration information.
- access_token
- expires_in
- token_type
The application makes a request for resources using the returned access token. All APIs listed for accessing public data also support secure access to restricted data with an additional parameter for the access token.
How a Token is Returned/Granted/Given
A successful token request returns a standard access token in JSON format.
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{"access_token":"f7889076-b3e4-4768-9419-3cd973adda76","token_type":"bearer","refresh_token":"671bb72b-f929-4ef5-a4d7-b52341a6007a","expires_in":7199} |
Using the Token in an API Call
Make a note of the access token you received and pass it with the REST service call.
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A successful service request returns the value in a defined format.
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Refreshing the Token
The time it takes tokens to expire is configurable but is currently two hours.
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{"access_token":"bbe4aa2c-7235-41ad-9770-31619d3dbd15","token_type":"bearer","refresh_token":"671bb72b-f929-4ef5-a4d7-b52341a6007a","expires_in":119} |
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Logging Out
The following is an example request to log out.
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# Request for logout $ curl -H "Authorization:Bearer caa278aa-e7a9-45b8-a7ec-2c83d4b03cc0" -k "https://services.cancerimagingarchive.net/nbia-api/logout" |
ResultIf successful, the request returns the following text.
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You Have Logged Out successfully. |
Testing an API with Public Data
If you don't have a TCIA account and want to test an API, you can access public data using the NBIA guest account with no password, as follows.
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curl -d "username=nbia_guest&password=&client_id=NBIA&grant_type=password" -X POST -k https://services.cancerimagingarchive.net/nbia-api/oauth/token |
REST Advanced REST APIs
The TCIA Radiology Portal’s search features use the following Advanced REST APIs.
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