tcodes

Recent Changes

Deployed on Wednesday the 9th June 12pm EST

We deployed optimizations to our tcodes, as part of this update we’ve added two new tcodes previous bundle with tcode 28.

New tcodes

tcode name reason
30 Duplicate Session Respondent has multiple sessions for this survey.
31 Blacklisted Respondent blacklisted by Dynata security/fraud measures.

We’ve also updated some of the tcode names and descriptions to make them clearer to understand.

Please let us know if have any issues consuming these new tcodes.

Thank you!


The tcode query parameter values provide additional information about respondent sessions. Both callback and redirects URLs can be appended with a tcode.

tcode name reason
2 Dropout Respondent dropped out while taking the survey.
3 Prescreener Inactivity Respondent spent too much time on the prescreener questions.
5 Complete Survey completed.
6 Overquota The client survey has met its target goal.
7 Survey Screenout The client survey screened out the respondent.
8 Internal Error An internal Dynata error has occured.
9 Missing Parameters Parameters are missing from the Survey Entry URL. (uid, xltid, etc).
10 Invalid Hash Invalid hash in Survey Entry URL.
11 Not Launched Survey is paused or closed.
12 Underage Minors under the age of 12 are ineligible to participate in Dynata surveys.
13 User Already Completed Survey This survey was already completed by a respondent from this IP address.
14 Respondent Banned Respondent banned by Dynata’s security/fraud measures.
15 IP Banned Respondent’s IP banned by Dynata.
16 ISP Banned Respondent’s Internet service provider is banned by Dynata.
21 Survey Disqualification Respondent’s age, gender, country, or region do not match survey qualifications.
24 Geo IP Mismatch Country of respondent’s IP address and country of survey do not match.
25 Unregistered Respondent is not registered.
26 Quality Fail Respondent disqualified due to speeding, straight-lining, or trap questions.
27 Fraud Risk Respondent has been determined to be a high fraud risk.
28 Pre-screener Fail Pre-screener termination or survey over-quota.
29 Unknown Error An unknown error occured.
30 Duplicate Session Respondent has multiple sessions for this survey.
31 Blacklisted Respondent blacklisted by Dynata security/fraud measures.