diff --git a/modules/parrableIdSystem.js b/modules/parrableIdSystem.js
index 237708aec57..afaf794513e 100644
--- a/modules/parrableIdSystem.js
+++ b/modules/parrableIdSystem.js
@@ -60,7 +60,7 @@ function isValidConfig(configParams) {
     utils.logError('User ID - parrableId submodule requires configParams');
     return false;
   }
-  if (!configParams.partner) {
+  if (!configParams.partners && !configParams.partner) {
     utils.logError('User ID - parrableId submodule requires partner list');
     return false;
   }
@@ -183,10 +183,14 @@ function fetchId(configParams) {
   const eid = (parrableId) ? parrableId.eid : null;
   const refererInfo = getRefererInfo();
   const uspString = uspDataHandler.getConsentData();
+  const partners = configParams.partners || configParams.partner
+  const trackers = typeof partners === 'string'
+    ? partners.split(',')
+    : partners;
 
   const data = {
     eid,
-    trackers: configParams.partner.split(','),
+    trackers,
     url: refererInfo.referer,
     prebidVersion: '$prebid.version$',
     isIframe: utils.inIframe()
diff --git a/test/spec/modules/parrableIdSystem_spec.js b/test/spec/modules/parrableIdSystem_spec.js
index 9db5df2a518..5a10529778c 100644
--- a/test/spec/modules/parrableIdSystem_spec.js
+++ b/test/spec/modules/parrableIdSystem_spec.js
@@ -18,7 +18,7 @@ const P_XHR_EID = '01.1588030911.test-new-eid'
 const P_CONFIG_MOCK = {
   name: 'parrableId',
   params: {
-    partner: 'parrable_test_partner_123,parrable_test_partner_456'
+    partners: 'parrable_test_partner_123,parrable_test_partner_456'
   }
 };
 
@@ -74,21 +74,21 @@ function removeParrableCookie() {
   storage.setCookie(P_COOKIE_NAME, '', EXPIRED_COOKIE_DATE);
 }
 
+function decodeBase64UrlSafe(encBase64) {
+  const DEC = {
+    '-': '+',
+    '_': '/',
+    '.': '='
+  };
+  return encBase64.replace(/[-_.]/g, (m) => DEC[m]);
+}
+
 describe('Parrable ID System', function() {
   describe('parrableIdSystem.getId()', function() {
     describe('response callback function', function() {
       let logErrorStub;
       let callbackSpy = sinon.spy();
 
-      let decodeBase64UrlSafe = function (encBase64) {
-        const DEC = {
-          '-': '+',
-          '_': '/',
-          '.': '='
-        };
-        return encBase64.replace(/[-_.]/g, (m) => DEC[m]);
-      }
-
       beforeEach(function() {
         logErrorStub = sinon.stub(utils, 'logError');
         callbackSpy.resetHistory();
@@ -115,7 +115,7 @@ describe('Parrable ID System', function() {
         expect(queryParams).to.not.have.property('us_privacy');
         expect(data).to.deep.equal({
           eid: P_COOKIE_EID,
-          trackers: P_CONFIG_MOCK.params.partner.split(','),
+          trackers: P_CONFIG_MOCK.params.partners.split(','),
           url: getRefererInfo().referer,
           prebidVersion: '$prebid.version$',
           isIframe: true
@@ -162,7 +162,7 @@ describe('Parrable ID System', function() {
 
       it('should log an error and continue to callback if ajax request errors', function () {
         let callBackSpy = sinon.spy();
-        let submoduleCallback = parrableIdSubmodule.getId({ params: {partner: 'prebid'} }).callback;
+        let submoduleCallback = parrableIdSubmodule.getId({ params: {partners: 'prebid'} }).callback;
         submoduleCallback(callBackSpy);
         let request = server.requests[0];
         expect(request.url).to.contain('h.parrable.com');
@@ -237,7 +237,7 @@ describe('Parrable ID System', function() {
 
     it('permits an impression when no timezoneFilter is configured', function() {
       expect(parrableIdSubmodule.getId({ params: {
-        partner: 'prebid-test',
+        partners: 'prebid-test',
       } })).to.have.property('callback');
     });
 
@@ -249,7 +249,7 @@ describe('Parrable ID System', function() {
       writeParrableCookie({ eid: P_COOKIE_EID });
 
       expect(parrableIdSubmodule.getId({ params: {
-        partner: 'prebid-test',
+        partners: 'prebid-test',
         timezoneFilter: {
           blockedZones: [ blockedZone ]
         }
@@ -265,7 +265,7 @@ describe('Parrable ID System', function() {
       Intl.DateTimeFormat.returns({ resolvedOptions });
 
       expect(parrableIdSubmodule.getId({ params: {
-        partner: 'prebid-test',
+        partners: 'prebid-test',
         timezoneFilter: {
           allowedZones: [ allowedZone ]
         }
@@ -279,7 +279,7 @@ describe('Parrable ID System', function() {
       Intl.DateTimeFormat.returns({ resolvedOptions });
 
       expect(parrableIdSubmodule.getId({ params: {
-        partner: 'prebid-test',
+        partners: 'prebid-test',
         timezoneFilter: {
           blockedZones: [ blockedZone ]
         }
@@ -293,7 +293,7 @@ describe('Parrable ID System', function() {
       Intl.DateTimeFormat.returns({ resolvedOptions });
 
       expect(parrableIdSubmodule.getId({ params: {
-        partner: 'prebid-test',
+        partners: 'prebid-test',
         timezoneFilter: {
           blockedZones: [ blockedZone ]
         }
@@ -307,7 +307,7 @@ describe('Parrable ID System', function() {
       Intl.DateTimeFormat.returns({ resolvedOptions });
 
       expect(parrableIdSubmodule.getId({ params: {
-        partner: 'prebid-test',
+        partners: 'prebid-test',
         timezoneFilter: {
           allowedZones: [ timezone ],
           blockedZones: [ timezone ]
@@ -337,7 +337,7 @@ describe('Parrable ID System', function() {
       writeParrableCookie({ eid: P_COOKIE_EID });
 
       expect(parrableIdSubmodule.getId({ params: {
-        partner: 'prebid-test',
+        partners: 'prebid-test',
         timezoneFilter: {
           blockedOffsets: [ blockedOffset ]
         }
@@ -351,7 +351,7 @@ describe('Parrable ID System', function() {
       Date.prototype.getTimezoneOffset.returns(allowedOffset * 60);
 
       expect(parrableIdSubmodule.getId({ params: {
-        partner: 'prebid-test',
+        partners: 'prebid-test',
         timezoneFilter: {
           allowedOffsets: [ allowedOffset ]
         }
@@ -365,7 +365,7 @@ describe('Parrable ID System', function() {
       Date.prototype.getTimezoneOffset.returns(allowedOffset * 60);
 
       expect(parrableIdSubmodule.getId({ params: {
-        partner: 'prebid-test',
+        partners: 'prebid-test',
         timezoneFilter: {
           blockedOffsets: [ blockedOffset ]
         }
@@ -378,7 +378,7 @@ describe('Parrable ID System', function() {
       Date.prototype.getTimezoneOffset.returns(blockedOffset * 60);
 
       expect(parrableIdSubmodule.getId({ params: {
-        partner: 'prebid-test',
+        partners: 'prebid-test',
         timezoneFilter: {
           blockedOffsets: [ blockedOffset ]
         }
@@ -391,7 +391,7 @@ describe('Parrable ID System', function() {
       Date.prototype.getTimezoneOffset.returns(offset * 60);
 
       expect(parrableIdSubmodule.getId({ params: {
-        partner: 'prebid-test',
+        partners: 'prebid-test',
         timezoneFilter: {
           allowedOffset: [ offset ],
           blockedOffsets: [ offset ]
@@ -468,4 +468,47 @@ describe('Parrable ID System', function() {
       }, { adUnits });
     });
   });
+
+  describe('partners parsing', () => {
+    let callbackSpy = sinon.spy();
+
+    const partnersTestCase = [
+      {
+        name: '"partners" as an array',
+        config: { params: { partners: ['parrable_test_partner_123', 'parrable_test_partner_456'] } },
+        expected: ['parrable_test_partner_123', 'parrable_test_partner_456']
+      },
+      {
+        name: '"partners" as a string list',
+        config: { params: { partners: 'parrable_test_partner_123,parrable_test_partner_456' } },
+        expected: ['parrable_test_partner_123', 'parrable_test_partner_456']
+      },
+      {
+        name: '"partners" as a string',
+        config: { params: { partners: 'parrable_test_partner_123' } },
+        expected: ['parrable_test_partner_123']
+      },
+      {
+        name: '"partner" as a string list',
+        config: { params: { partner: 'parrable_test_partner_123,parrable_test_partner_456' } },
+        expected: ['parrable_test_partner_123', 'parrable_test_partner_456']
+      },
+      {
+        name: '"partner" as string',
+        config: { params: { partner: 'parrable_test_partner_123' } },
+        expected: ['parrable_test_partner_123']
+      },
+    ];
+    partnersTestCase.forEach(testCase => {
+      it(`accepts config property ${testCase.name}`, () => {
+        parrableIdSubmodule.getId(testCase.config).callback(callbackSpy);
+
+        let request = server.requests[0];
+        let queryParams = utils.parseQS(request.url.split('?')[1]);
+        let data = JSON.parse(atob(decodeBase64UrlSafe(queryParams.data)));
+
+        expect(data.trackers).to.deep.equal(testCase.expected);
+      });
+    });
+  });
 });