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API Get Specific Participant from EX Directory / Project

  • May 18, 2026
  • 1 reply
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M
Level 2 ●●
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I am trying to test this API request:
api.qualtrics.com/3f2076e3f3a1d-get-specific-participant

However, I tested on two separate Qualtrics instances and I get error 404 not found everytime. 
As participantId I am currently providing the Unique Identifier of the person.

I have permission to use API and also have full access to the project & EX Directory.

 

Any ideas?

Best answer by miroslavchobanov

*Update - participantId is actually not the Unique Identifier, but something that appears like this - P_dpeEo6eQmyvb2HI. However, my question now is how do I find this participantId within Qualtrics without additional API requests?
I found it now with the api.qualtrics.com/5203866437bd7-get-participants-deprecated request.
I can also search for participants via unique identifier using this deprecated request which will solve my issue for now.

    1 reply

    M
    Level 2 ●●
    Forum|alt.badge.img+2

    *Update - participantId is actually not the Unique Identifier, but something that appears like this - P_dpeEo6eQmyvb2HI. However, my question now is how do I find this participantId within Qualtrics without additional API requests?
    I found it now with the api.qualtrics.com/5203866437bd7-get-participants-deprecated request.
    I can also search for participants via unique identifier using this deprecated request which will solve my issue for now.

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