PureSpectrum
PureSpectrum websiteHelp center
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  1. Match API
  • Overview
    • Intro
    • Fusion Overview
    • Fusion Link
  • Fusion Integration Methods
    • Match API
      • Fusion Match API
        GET
    • Fusion SDK (Android)
      • Get SDK Settings
    • Fusion Offerwall
      • Get offerwall offers (reference — see Match API for full spec)
    • Fusion Link
      • Link Integration Options
        • Country-specific Entry Link
        • Universal Entry Link (no country segment)
    • Fusion Iframe
      • iframe (embed URL)
    • Redirects
      • Outcome redirect (reference only — Fusion calls this, you don't)
    • Schemas
      • FusionMatchResponse
      • SdkSettings
      • MatchedSurvey
      • ErrorResponse
      • OfferwallBaseProfile
  1. Match API

Fusion Match API

Developing
GET
/fusionMatch
Use this endpoint when you want to own the respondent experience. Fusion returns a ranked list of candidate surveys; you choose which entryLink to send the respondent to, rather than letting Fusion redirect them automatically the way an Entry Link session does.
Pass offerwall=true to switch into offerwall mode, which returns up to 12 offers instead of 10 and applies your account's offerwall filters (minimum CPI / maximum LOI, if enabled).
Every entryLink returned is cryptographically signed. If the survey ID or CPI is altered before the respondent follows it, the session is rejected.

Request

Authorization
Query Params

Request Code Samples

Shell
JavaScript
Java
Swift
Go
PHP
Python
HTTP
C
C#
Objective-C
Ruby
OCaml
Dart
R
Request Request Example
Shell
JavaScript
Java
Swift
curl --location '/fusionMatch?respondentId=r_88213&respondentLocalization=en_US&211=1&212=34&cpi=&minCpi=&maxLoi=&maxNumberOfSurveysReturned=&preferredLang=&surveyScoreValue=&starCount=&debug=&offerwall=&offerwallHash=&isSdk='

Responses

🟢200
application/json
Matched surveys for the respondent.
Bodyapplication/json

Examples
{
    "respondentId": "r_88213",
    "psid": "PSID_9f8a2",
    "surveys": [
        {
            "surveyId": 481920,
            "cpi": 2.15,
            "ir": 34,
            "estimatedLoi": 12,
            "fullOrPartialMatch": "full",
            "stars": 4,
            "entryLink": "https://{your-fusion-host}/start-session/...&surveySig=..."
        }
    ]
}
🟠400
🟠401
🟠429
Modified at 2026-08-10 19:27:21
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