diff --git a/modules/adagioBidAdapter.js b/modules/adagioBidAdapter.js
index 798ff499206..49f3fdc6e52 100644
--- a/modules/adagioBidAdapter.js
+++ b/modules/adagioBidAdapter.js
@@ -20,6 +20,7 @@ import {
   logInfo,
   logWarn,
   mergeDeep,
+  isStr,
 } from '../src/utils.js';
 import {config} from '../src/config.js';
 import {registerBidder} from '../src/adapters/bidderFactory.js';
@@ -924,6 +925,46 @@ export const spec = {
         adunit_position: getSlotPosition(bidRequest.params.adUnitElementId) // adUnitElementId à déplacer ???
       };
 
+      // Force the Split Keyword to be a String
+      if (bidRequest.params.splitKeyword) {
+        if (isStr(bidRequest.params.splitKeyword) || isNumber(bidRequest.params.splitKeyword)) {
+          bidRequest.params.splitKeyword = bidRequest.params.splitKeyword.toString();
+        } else {
+          delete bidRequest.params.splitKeyword;
+
+          logWarn(LOG_PREFIX, 'The splitKeyword param have been removed because the type is invalid, accepted type: number or string.');
+        }
+      }
+
+      // Force the Data Layer key and value to be a String
+      if (bidRequest.params.dataLayer) {
+        if (isStr(bidRequest.params.dataLayer) || isNumber(bidRequest.params.dataLayer) || isArray(bidRequest.params.dataLayer) || isFn(bidRequest.params.dataLayer)) {
+          logWarn(LOG_PREFIX, 'The dataLayer param is invalid, only object is accepted as a type.');
+          delete bidRequest.params.dataLayer;
+        } else {
+          let invalidDlParam = false;
+
+          bidRequest.params.dl = bidRequest.params.dataLayer
+          // Remove the dataLayer from the BidRequest to send the `dl` instead of the `dataLayer`
+          delete bidRequest.params.dataLayer
+
+          Object.keys(bidRequest.params.dl).forEach((key) => {
+            if (bidRequest.params.dl[key]) {
+              if (isStr(bidRequest.params.dl[key]) || isNumber(bidRequest.params.dl[key])) {
+                bidRequest.params.dl[key] = bidRequest.params.dl[key].toString();
+              } else {
+                invalidDlParam = true;
+                delete bidRequest.params.dl[key];
+              }
+            }
+          });
+
+          if (invalidDlParam) {
+            logWarn(LOG_PREFIX, 'Some parameters of the dataLayer property have been removed because the type is invalid, accepted type: number or string.');
+          }
+        }
+      }
+
       Object.keys(features).forEach((prop) => {
         if (features[prop] === '') {
           delete features[prop];
diff --git a/modules/adagioBidAdapter.md b/modules/adagioBidAdapter.md
index e65a044c2fa..45f39fc6f2d 100644
--- a/modules/adagioBidAdapter.md
+++ b/modules/adagioBidAdapter.md
@@ -61,6 +61,8 @@ Below, the list of Adagio params and where they can be set.
 | debug                          |               | x             |
 | video                          |               | x             |
 | native                         |               | x             |
+| splitKeyword                   |               | x             |
+| dataLayer                      |               | x             |
 
 _* These params are deprecated in favor the Global configuration setup, see below._
 
@@ -115,6 +117,10 @@ var adUnits = [
           context: 1,
           plcmttype: 2
         },
+        splitKeyword: 'splitrule-one',
+        dl: {
+          placement: '1234'
+        }
       }
     }]
   }
diff --git a/test/spec/modules/adagioBidAdapter_spec.js b/test/spec/modules/adagioBidAdapter_spec.js
index 899ef392357..36e3f04b2a7 100644
--- a/test/spec/modules/adagioBidAdapter_spec.js
+++ b/test/spec/modules/adagioBidAdapter_spec.js
@@ -347,6 +347,76 @@ describe('Adagio bid adapter', () => {
       expect(requests[0].data.adUnits[0].features.url).to.not.exist;
     });
 
+    it('should force split keyword param into a string', function() {
+      const bid01 = new BidRequestBuilder().withParams({
+        splitKeyword: 1234
+      }).build();
+      const bid02 = new BidRequestBuilder().withParams({
+        splitKeyword: ['1234']
+      }).build();
+      const bidderRequest = new BidderRequestBuilder().build();
+
+      const requests = spec.buildRequests([bid01, bid02], bidderRequest);
+
+      expect(requests).to.have.lengthOf(1);
+      expect(requests[0].data).to.have.all.keys(expectedDataKeys);
+      expect(requests[0].data.adUnits[0].params).to.exist;
+      expect(requests[0].data.adUnits[0].params.splitKeyword).to.exist;
+      expect(requests[0].data.adUnits[0].params.splitKeyword).to.equal('1234');
+      expect(requests[0].data.adUnits[1].params.splitKeyword).to.not.exist;
+    });
+
+    it('should force key and value from data layer param into a string', function() {
+      const bid01 = new BidRequestBuilder().withParams({
+        dataLayer: {
+          1234: 'dlparam',
+          goodkey: 1234,
+          objectvalue: {
+            random: 'result'
+          },
+          arrayvalue: ['1234']
+        }
+      }).build();
+
+      const bid02 = new BidRequestBuilder().withParams({
+        dataLayer: 'a random string'
+      }).build();
+
+      const bid03 = new BidRequestBuilder().withParams({
+        dataLayer: 1234
+      }).build();
+
+      const bid04 = new BidRequestBuilder().withParams({
+        dataLayer: ['an array']
+      }).build();
+
+      const bidderRequest = new BidderRequestBuilder().build();
+
+      const requests = spec.buildRequests([bid01, bid02, bid03, bid04], bidderRequest);
+
+      expect(requests).to.have.lengthOf(1);
+      expect(requests[0].data).to.have.all.keys(expectedDataKeys);
+      expect(requests[0].data.adUnits[0].params).to.exist;
+      expect(requests[0].data.adUnits[0].params.dataLayer).to.not.exist;
+      expect(requests[0].data.adUnits[0].params.dl).to.exist;
+      expect(requests[0].data.adUnits[0].params.dl['1234']).to.equal('dlparam');
+      expect(requests[0].data.adUnits[0].params.dl.goodkey).to.equal('1234');
+      expect(requests[0].data.adUnits[0].params.dl.objectvalue).to.not.exist;
+      expect(requests[0].data.adUnits[0].params.dl.arrayvalue).to.not.exist;
+
+      expect(requests[0].data.adUnits[1].params).to.exist;
+      expect(requests[0].data.adUnits[1].params.dl).to.not.exist;
+      expect(requests[0].data.adUnits[1].params.dataLayer).to.not.exist;
+
+      expect(requests[0].data.adUnits[2].params).to.exist;
+      expect(requests[0].data.adUnits[2].params.dl).to.not.exist;
+      expect(requests[0].data.adUnits[2].params.dataLayer).to.not.exist;
+
+      expect(requests[0].data.adUnits[3].params).to.exist;
+      expect(requests[0].data.adUnits[3].params.dl).to.not.exist;
+      expect(requests[0].data.adUnits[3].params.dataLayer).to.not.exist;
+    });
+
     describe('With video mediatype', function() {
       context('Outstream video', function() {
         it('should logWarn if user does not set renderer.backupOnly: true', function() {