API Changelog

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ACTIVATION guides

• New ACTIVATION overview and Activation Integration guide: POST /activation with x-api-key, to deactivate or activate surveys, sessions, and other values in the SEARCH duplicate check.
• POST /activation now accepts Session_Id, IP_Address, Cookie, Panel_Id, Hashed_Email, and User_Agent, and has a stage environment (stage.resdefio.com).

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PREDUPE integration guide

• New Predupe Integration guide: POST /predupes on search.resdefio.com with x-api-key, with a full HTML sample.
• stage.search.resdefio.com added as the PREDUPE stage environment.

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ACTIVITY integration guide

• New Activity Integration guide: POST /activity with x-api-key, with the Survey_Number, Session_Id, Panel_Id, Hashed_Email, and Range body fields, and a full HTML sample.
• stage.resdefio.com added as a stage environment for the resdefio.com APIs.

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REVIEW integration guide

• New Review Integration guide: load the review library, add the page elements, and send the answer with GET or POST, with full HTML samples.

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Expanded API Reference

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New endpoints

• POST /api/v4/respondents/search/{publishable_key} — SEARCH with a JSON body
• GET /api/v3/respondents/search/{private_key} — SEARCH server-to-server (token header)
• GET /api/v3/respondents/review/{private_key} — REVIEW server-to-server (token header)
• encrypt=1 on SEARCH V4 returns an AES-256-GCM encrypted response

• GET/POST /activity — Respondent activity statistics
• POST /activation — Activate or deactivate surveys in the SEARCH dupes check
• GET /token — GETTOKEN (new stack)

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New pages

• Secured integration options for SEARCH: Server-to-Server, Encrypted, and URL Validation
• ACTIVITY and JavaScript Libraries

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Research Defender API

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Products & Endpoints

• GET /api/v4/respondents/search/{publishable_key} — Digital fingerprinting, bot/click-farm detection, duplication scoring, and geolocation checks

• Add-on to the SEARCH call via the destination_platform_id and destination_platform_survey_number parameters
• GET /api/v3/respondents/destination_platforms/{private_key} — Look up available destination platform identifiers

• GET /api/v4/respondents/review/{publishable_key} — Open-end text analysis (GET)
• POST /api/v4/respondents/review/{publishable_key} — Open-end text analysis (POST, supports longer text)

• GET /api/v3/respondents/get_token/{publishable_key} — Generate single-use server-to-server tokens (GETTOKEN)
• V4 Hashed Validation for SEARCH