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PREDUPE identifies when a respondent has already attempted a survey while still in the supplier’s environment, increasing platform conversion and EPC.
  • Type: GET
  • PREDUPE exists as an add-on to the SEARCH call — you activate it by adding two parameters.

Request Parameters

Add these to your SEARCH call to activate PREDUPE:
Destination platform keys for Research Defender customers are available on request. See the SEARCH guide for definitions of sn_ud, sy_nr, and other shared parameters.

Example

Look up available destination platform identifiers:

Interpreting the Result

PREDUPE results are returned in the SEARCH response Surveys array. Use duplicate_score (100 = duplicate) to determine whether the respondent has already accessed the destination survey, and reroute duplicates to another opportunity.