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Users accessing the CTRP Accrual, Trial Registration, Participating Site REST services. See the following for additional details on the various CTRP web services:
- NCI CTRP Trial Registration REST Service Guide
- NCI CTRP Accrual REST Service Guide
- NCI CTRP Participating Site REST Service Guide
1. Get Okta access token
The following endpoint will generate an Okta access token provided the parameters passed in are valid. Please contact CTRP_support@nih.gov for any questions or issues in regards to generating the Okta access token.
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curl --request POST “https://<clientId>:<clientSecret>@bioappdev.okta.com/oauth2/aus3ym6wniM6O3MGE297/v1/token” \
--header “Accept: application/json” \
--header “Content-Type: application/x-www-form-urlencoded” \
--data-urlencode “grant_type=client_credentials" \
Parameters:
clientId | Client ID |
clientSecret | Client Secret |
Response:
{"token_type":"Bearer","expires_in":43200,"access_token":<accessToken>}
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Include the access token in the 'Authorization: Bearer' parameter when submitting API requests.
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The following example uses the accrual-services URL and lists the required header and parameters.
curl --location --request GET PUT 'https://trials-int.nci.nih.gov/accrual-services/trials/<NCT> /nci/NCI-2019-00038/sites/po/7434 ' \
--header 'Content-Type: application/json' \
...
--header 'Authorization: Bearer <accessToken>'
Parameters:
accessToken | Access Token generated in step 1. |
NCT
| idType | nci |
| trialID | NCI-2019-00038 |
| id | 7434 |
Response:
JSON or XML data, depending on which service is being used.
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The following endpoint will generate an Okta access token provided the parameters passed in are valid. Please contact CTRP_support@nih.gov for any questions or issues in regards to generating the Okta access token.
POST:
curl --request POST “https://<clientId>:<clientSecret>@bioappdev.okta.com/oauth2/aus3ym6wniM6O3MGE297/v1/token” \
--header “Accept: application/json” \
--header “Content-Type: application/x-www-form-urlencoded” \
--data-urlencode “grant_type=password” \
--data-urlencode “username=<username>” \
--data-urlencode “password=<password>” \
--data-urlencode “scope=openid”
Parameters:
clientId | Client ID |
clientSecret | Client Secret |
username | CTRP OKTA account email ID |
password | CTRP OKTA account password |
Response:
{"token_type":"Bearer","expires_in":43200,"access_token":<accessToken>,"scope":"openid","id_token":<idToken>}
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Include the access token in the 'Authorization: Bearer' parameter when submitting API requests.
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curl --location --request GET 'https://trials.nci.nih.gov/services/trials/<NCT> ' \
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--header 'Authorization: Bearer <accessToken>'
Parameters:
accessToken | Access Token generated in step 1. |
NCT | Trial ID (e.g. NCI-2017-02883) |
Response:
XML data
Error Codes for the Okta API
Error | Code | Message |
Invalid Client Id | 401 | { "errorCode": "invalid_client", "errorSummary": "Invalid value for 'client_id' parameter.", "errorLink": "invalid_client", "errorId": "oaejDJuWCiRTQeH8n6WG2116A", "errorCauses": [] } |
Invalid Client Secret | 401 | { "error": "invalid_client", "error_description": "The client secret supplied for a confidential client is invalid." } |
Invalid User Credentials / Account Locked* | 400 | { "error": "invalid_grant", "error_description": "The credentials provided were invalid." } |
Password Rotation
The Client ID and Client Secret need to be updated on a yearly basis. The CTRP team will provide the new Client ID / Client Secret combination to PRS two weeks before each update. During the two-week grace period, both old and new credentials will work.
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