diff --git a/src/main/java/org/prebid/server/bidder/adocean/AdoceanBidder.java b/src/main/java/org/prebid/server/bidder/adocean/AdoceanBidder.java
index 925ee6c9fe2..29c0a385d69 100644
--- a/src/main/java/org/prebid/server/bidder/adocean/AdoceanBidder.java
+++ b/src/main/java/org/prebid/server/bidder/adocean/AdoceanBidder.java
@@ -54,7 +54,7 @@ public class AdoceanBidder implements Bidder<Void> {
     private static final TypeReference<ExtPrebid<?, ExtImpAdocean>> ADOCEAN_EXT_TYPE_REFERENCE =
             new TypeReference<>() {
             };
-    private static final String VERSION = "1.2.0";
+    private static final String VERSION = "1.3.0";
     private static final int MAX_URI_LENGTH = 8000;
     private static final String MEASUREMENT_CODE_TEMPLATE = """
              <script> +function() {
@@ -83,6 +83,8 @@ public Result<List<HttpRequest<Void>>> makeHttpRequests(BidRequest request) {
         for (Imp imp : request.getImp()) {
             try {
                 final ExtImpAdocean extImpAdocean = parseImpExt(imp);
+                validateImpExt(extImpAdocean);
+
                 final Map<String, String> slaveSizes = new HashMap<>();
                 slaveSizes.put(extImpAdocean.getSlaveId(), getImpSizes(imp));
                 if (addRequestAndCheckIfDuplicates(httpRequests, extImpAdocean, imp.getId(), slaveSizes,
@@ -107,6 +109,12 @@ private ExtImpAdocean parseImpExt(Imp imp) {
         }
     }
 
+    private static void validateImpExt(ExtImpAdocean impExt) {
+        if (StringUtils.isEmpty(impExt.getEmitterPrefix())) {
+            throw new PreBidException("No emitterPrefix param");
+        }
+    }
+
     private boolean addRequestAndCheckIfDuplicates(List<HttpRequest<Void>> httpRequests, ExtImpAdocean extImpAdocean,
                                                    String impid, Map<String, String> slaveSizes, Integer test) {
         for (HttpRequest<Void> request : httpRequests) {
@@ -254,7 +262,7 @@ private String buildUrl(String impId, ExtImpAdocean extImpAdocean, String consen
     }
 
     private String resolveEndpointUrl(ExtImpAdocean extImpAdocean, Integer test) {
-        final String url = endpointUrl.replace("{{Host}}", Objects.toString(extImpAdocean.getEmitterDomain(), ""));
+        final String url = endpointUrl.replace("{{Host}}", extImpAdocean.getEmitterPrefix());
         final int randomizedPart = Objects.equals(test, 1) ? 10000000 : 10000000 + (int) (Math.random() * 89999999);
         return "%s/_%s/ad.json".formatted(url, randomizedPart);
     }
diff --git a/src/main/java/org/prebid/server/proto/openrtb/ext/request/adocean/ExtImpAdocean.java b/src/main/java/org/prebid/server/proto/openrtb/ext/request/adocean/ExtImpAdocean.java
index 76fc49d68d6..4a1eb21f565 100644
--- a/src/main/java/org/prebid/server/proto/openrtb/ext/request/adocean/ExtImpAdocean.java
+++ b/src/main/java/org/prebid/server/proto/openrtb/ext/request/adocean/ExtImpAdocean.java
@@ -11,8 +11,8 @@
 @Value
 public class ExtImpAdocean {
 
-    @JsonProperty("emiter")
-    String emitterDomain;
+    @JsonProperty("emitterPrefix")
+    String emitterPrefix;
 
     @JsonProperty("masterId")
     String masterId;
diff --git a/src/main/resources/bidder-config/adocean.yaml b/src/main/resources/bidder-config/adocean.yaml
index 4d081bc3342..f659947c985 100644
--- a/src/main/resources/bidder-config/adocean.yaml
+++ b/src/main/resources/bidder-config/adocean.yaml
@@ -1,6 +1,6 @@
 adapters:
   adocean:
-    endpoint: https://{{Host}}
+    endpoint: https://{{Host}}.adocean.pl
     meta-info:
       maintainer-email: aoteam@gemius.com
       app-media-types:
diff --git a/src/main/resources/static/bidder-params/adocean.json b/src/main/resources/static/bidder-params/adocean.json
index 7530c64784c..5c62c410fb1 100644
--- a/src/main/resources/static/bidder-params/adocean.json
+++ b/src/main/resources/static/bidder-params/adocean.json
@@ -6,9 +6,14 @@
   "properties": {
     "emiter": {
       "type": "string",
-      "description": "AdOcean emiter",
+      "description": "Deprecated, use emitterPrefix instead. AdOcean emiter",
       "pattern": ".+"
     },
+    "emitterPrefix": {
+      "type": "string",
+      "description": "AdOcean emitter prefix",
+      "pattern": "^[\\w\\-]+$"
+    },
     "masterId": {
       "type": "string",
       "description": "Master's id",
@@ -20,5 +25,20 @@
       "pattern": "^adocean[\\w.]+$"
     }
   },
-  "required": ["emiter", "masterId", "slaveId"]
+  "oneOf": [
+    {
+      "required": [
+        "emiter",
+        "masterId",
+        "slaveId"
+      ]
+    },
+    {
+      "required": [
+        "emitterPrefix",
+        "masterId",
+        "slaveId"
+      ]
+    }
+  ]
 }
diff --git a/src/test/java/org/prebid/server/bidder/adocean/AdoceanBidderTest.java b/src/test/java/org/prebid/server/bidder/adocean/AdoceanBidderTest.java
index 22e1fde576d..8cce1e3ac2d 100644
--- a/src/test/java/org/prebid/server/bidder/adocean/AdoceanBidderTest.java
+++ b/src/test/java/org/prebid/server/bidder/adocean/AdoceanBidderTest.java
@@ -21,7 +21,6 @@
 import org.prebid.server.bidder.model.HttpRequest;
 import org.prebid.server.bidder.model.HttpResponse;
 import org.prebid.server.bidder.model.Result;
-import org.prebid.server.bidder.smartrtb.SmartrtbBidder;
 import org.prebid.server.proto.openrtb.ext.ExtPrebid;
 import org.prebid.server.proto.openrtb.ext.request.ExtUser;
 import org.prebid.server.proto.openrtb.ext.request.adocean.ExtImpAdocean;
@@ -46,18 +45,16 @@ public class AdoceanBidderTest extends VertxTest {
 
     private static final String ENDPOINT_URL = "https://{{Host}}";
 
-    private AdoceanBidder adoceanBidder;
+    private AdoceanBidder target;
 
     @Before
     public void setUp() {
-        adoceanBidder = new AdoceanBidder(ENDPOINT_URL, jacksonMapper);
+        target = new AdoceanBidder(ENDPOINT_URL, jacksonMapper);
     }
 
     @Test
     public void creationShouldFailOnInvalidEndpointUrl() {
-        assertThatIllegalArgumentException()
-                .isThrownBy(() -> new SmartrtbBidder("invalid_url", jacksonMapper))
-                .withMessage("URL supplied is not valid: invalid_url");
+        assertThatIllegalArgumentException().isThrownBy(() -> new AdoceanBidder("invalid_url", jacksonMapper));
     }
 
     @Test
@@ -68,7 +65,7 @@ public void makeHttpRequestsShouldReturnErrorIfImpExtCouldNotBeParsed() {
                         .id("123")
                         .ext(mapper.valueToTree(ExtPrebid.of(null, mapper.createArrayNode()))));
         // when
-        final Result<List<HttpRequest<Void>>> result = adoceanBidder.makeHttpRequests(bidRequest);
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
 
         // then
         assertThat(result.getErrors())
@@ -93,7 +90,7 @@ public void makeHttpRequestsShouldReturnErrorIfEndpointUrlComposingFails() {
                 .build();
 
         // when
-        final Result<List<HttpRequest<Void>>> result = adoceanBidder.makeHttpRequests(bidRequest);
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
 
         // then
         assertThat(result.getErrors()).hasSize(1)
@@ -103,6 +100,54 @@ public void makeHttpRequestsShouldReturnErrorIfEndpointUrlComposingFails() {
                 });
     }
 
+    @Test
+    public void makeHttpRequestsShouldReturnErrorIfExtImpEmitterPrefixIsEmpty() {
+        // given
+        final BidRequest bidRequest = BidRequest.builder()
+                .user(User.builder()
+                        .ext(ExtUser.builder()
+                                .consent("consent").build())
+                        .build())
+                .imp(singletonList(Imp.builder()
+                        .id("ao-test")
+                        .banner(Banner.builder().build())
+                        .ext(mapper.valueToTree(ExtPrebid.of(null,
+                                ExtImpAdocean.of("", "masterId", "adoceanmyaozpniqismex")))).build()))
+                .test(1)
+                .build();
+
+        // when
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
+
+        // then
+        assertThat(result.getValue()).isEmpty();
+        assertThat(result.getErrors()).containsExactly(BidderError.badInput("No emitterPrefix param"));
+    }
+
+    @Test
+    public void makeHttpRequestsShouldReturnErrorIfExtImpEmitterPrefixIsNotSupplied() {
+        // given
+        final BidRequest bidRequest = BidRequest.builder()
+                .user(User.builder()
+                        .ext(ExtUser.builder()
+                                .consent("consent").build())
+                        .build())
+                .imp(singletonList(Imp.builder()
+                        .id("ao-test")
+                        .banner(Banner.builder().build())
+                        .ext(mapper.valueToTree(ExtPrebid.of(null,
+                                ExtImpAdocean.of(null, "masterId", "adoceanmyaozpniqismex")))).build()))
+                .test(1)
+                .build();
+
+        // when
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
+
+        // then
+        assertThat(result.getValue()).isEmpty();
+        assertThat(result.getErrors()).containsExactly(BidderError.badInput("No emitterPrefix param"));
+    }
+
     @Test
     public void makeHttpRequestsShouldCreateRequestForEveryValidImp() {
         // given
@@ -132,7 +177,7 @@ public void makeHttpRequestsShouldCreateRequestForEveryValidImp() {
                 .build();
 
         // when
-        final Result<List<HttpRequest<Void>>> result = adoceanBidder.makeHttpRequests(bidRequest);
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
 
         // then
         assertThat(result.getErrors())
@@ -140,10 +185,10 @@ public void makeHttpRequestsShouldCreateRequestForEveryValidImp() {
                         + "in imp with id : notValidImp"));
         assertThat(result.getValue()).hasSize(2)
                 .extracting(HttpRequest::getUri)
-                .containsExactly("https://myao.adocean.pl/_10000000/ad.json?pbsrv_v=1.2.0&id=masterId&nc=1"
+                .containsExactly("https://myao.adocean.pl/_10000000/ad.json?pbsrv_v=1.3.0&id=masterId&nc=1"
                         + "&nosecure=1&aid=adoceanmyaozpniqismex%3Aao-test&gdpr_consent=consent&gdpr=1"
                         + "&hcuserid=testBuyerUid&aosspsizes=myaozpniqismex"
-                        + "%7E300x250_600x320", "https://em.dom/_10000000/ad.json?pbsrv_v=1.2.0&id="
+                        + "%7E300x250_600x320", "https://em.dom/_10000000/ad.json?pbsrv_v=1.3.0&id="
                         + "masterId2&nc=1&nosecure=1&aid=slaveId%3Ai2-test&gdpr_consent=consent&gdpr=1"
                         + "&hcuserid=testBuyerUid&aosspsizes=slaveId%7E577x333");
     }
@@ -174,7 +219,7 @@ public void makeHttpRequestsShouldCreateUniqueRequestIfMasterIdEqualsAndSlaveIdE
                 .build();
 
         // when
-        final Result<List<HttpRequest<Void>>> result = adoceanBidder.makeHttpRequests(bidRequest);
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
 
         // then
         assertThat(result.getValue()).hasSize(2);
@@ -198,13 +243,13 @@ public void makeHttpRequestsShouldCreateRequestWithoutSizeIfBannerSizesNotPresen
                 .build();
 
         // when
-        final Result<List<HttpRequest<Void>>> result = adoceanBidder.makeHttpRequests(bidRequest);
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
 
         // then
         assertThat(result.getErrors()).isEmpty();
         assertThat(result.getValue())
                 .extracting(HttpRequest::getUri)
-                .containsExactly("https://myao.adocean.pl/_10000000/ad.json?pbsrv_v=1.2.0&id=masterId&nc=1&nosecure=1"
+                .containsExactly("https://myao.adocean.pl/_10000000/ad.json?pbsrv_v=1.3.0&id=masterId&nc=1&nosecure=1"
                         + "&aid=adoceanmyaozpniqismex%3Aao-test&gdpr_consent=consent&gdpr=1");
     }
 
@@ -234,12 +279,12 @@ public void makeHttpRequestsShouldUpdateRequestsForSimilarSlaveIds() {
                 .build();
 
         // when
-        final Result<List<HttpRequest<Void>>> result = adoceanBidder.makeHttpRequests(bidRequest);
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
 
         // then
         assertThat(result.getValue()).hasSize(1)
                 .extracting(HttpRequest::getUri)
-                .containsExactlyInAnyOrder("https://myao.adocean.pl/_10000000/ad.json?pbsrv_v=1.2.0&id=masterId&nc=1"
+                .containsExactlyInAnyOrder("https://myao.adocean.pl/_10000000/ad.json?pbsrv_v=1.3.0&id=masterId&nc=1"
                         + "&nosecure=1&aid=slaveId%3Aao-test&gdpr_consent=consent&gdpr=1&hcuserid=testBuyerUid"
                         + "&aosspsizes=slaveId%7E300x250_600x320&aid=slaveId2%3Ai2-test&aosspsizes=slaveId2%7E577x333");
     }
@@ -267,7 +312,7 @@ public void makeHttpRequestsShouldSetExpectedHeadersIfDeviceIpIsPresent() {
                 .build();
 
         // when
-        final Result<List<HttpRequest<Void>>> result = adoceanBidder.makeHttpRequests(bidRequest);
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
 
         // then
         assertThat(result.getValue().get(0).getHeaders()).isNotNull()
@@ -298,7 +343,7 @@ public void makeHttpRequestsShouldSetExpectedHeadersIfDeviceIpv6IsPresent() {
                 .build();
 
         // when
-        final Result<List<HttpRequest<Void>>> result = adoceanBidder.makeHttpRequests(bidRequest);
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
 
         // then
         assertThat(result.getValue().get(0).getHeaders()).isNotNull()
@@ -315,7 +360,7 @@ public void makeBidsShouldReturnErrorIfResponseBodyCouldNotBeParsed() throws Jso
         final BidderCall<Void> httpCall = givenHttpCall(null, "");
 
         // when
-        final Result<List<BidderBid>> result = adoceanBidder.makeBids(httpCall, null);
+        final Result<List<BidderBid>> result = target.makeBids(httpCall, null);
 
         // then
         assertThat(result.getErrors()).hasSize(1)
@@ -341,7 +386,7 @@ public void makeBidsShouldReturnCorrectBidderBid() throws JsonProcessingExceptio
         final BidderCall<Void> httpCall = givenHttpCall(null, mapper.writeValueAsString(adoceanResponseAdUnit));
 
         // when
-        final Result<List<BidderBid>> result = adoceanBidder.makeBids(httpCall, bidRequest);
+        final Result<List<BidderBid>> result = target.makeBids(httpCall, bidRequest);
 
         // then
         final String adm = """
@@ -383,7 +428,7 @@ public void makeBidsShouldReturnEmptyListOfBids() throws JsonProcessingException
         final BidderCall<Void> httpCall = givenHttpCall(null, mapper.writeValueAsString(adoceanResponseAdUnit));
 
         // when
-        final Result<List<BidderBid>> result = adoceanBidder.makeBids(httpCall, bidRequest);
+        final Result<List<BidderBid>> result = target.makeBids(httpCall, bidRequest);
 
         // then
         assertThat(result.getErrors()).isEmpty();
@@ -409,12 +454,12 @@ public void makeHttpRequestsShouldBuildUrlIfAppIsPresent() {
                 .build();
 
         // when
-        final Result<List<HttpRequest<Void>>> result = adoceanBidder.makeHttpRequests(bidRequest);
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
 
         // then
         assertThat(result.getValue()).hasSize(1)
                 .extracting(HttpRequest::getUri)
-                .containsExactlyInAnyOrder("https://myao.adocean.pl/_10000000/ad.json?pbsrv_v=1.2.0"
+                .containsExactlyInAnyOrder("https://myao.adocean.pl/_10000000/ad.json?pbsrv_v=1.3.0"
                         + "&id=tmYF.DMl7ZBq.Nqt2Bq4FutQTJfTpxCOmtNPZoQUDcL.G7&nc=1&nosecure=1"
                         + "&aid=adoceanmyaozpniqismex%3Aao-test&gdpr_consent=consent"
                         + "&gdpr=1&app=1&appname=name&appbundle=bundle&appdomain=domain");
@@ -439,12 +484,12 @@ public void makeHttpRequestsShouldBuildUrlIfDeviceWithIfaIsPresent() {
                 .build();
 
         // when
-        final Result<List<HttpRequest<Void>>> result = adoceanBidder.makeHttpRequests(bidRequest);
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
 
         // then
         assertThat(result.getValue()).hasSize(1)
                 .extracting(HttpRequest::getUri)
-                .containsExactlyInAnyOrder("https://myao.adocean.pl/_10000000/ad.json?pbsrv_v=1.2.0"
+                .containsExactlyInAnyOrder("https://myao.adocean.pl/_10000000/ad.json?pbsrv_v=1.3.0"
                         + "&id=tmYF.DMl7ZBq.Nqt2Bq4FutQTJfTpxCOmtNPZoQUDcL.G7"
                         + "&nc=1&nosecure=1&aid=adoceanmyaozpniqismex%3Aao-test"
                         + "&gdpr_consent=consent&gdpr=1&ifa=ifa&devos=os&devosv=osv&devmodel=model&devmake=make");
@@ -469,12 +514,12 @@ public void makeHttpRequestsShouldBuildUrlIfDeviceWithIfaIsNotPresent() {
                 .build();
 
         // when
-        final Result<List<HttpRequest<Void>>> result = adoceanBidder.makeHttpRequests(bidRequest);
+        final Result<List<HttpRequest<Void>>> result = target.makeHttpRequests(bidRequest);
 
         // then
         assertThat(result.getValue()).hasSize(1)
                 .extracting(HttpRequest::getUri)
-                .containsExactlyInAnyOrder("https://myao.adocean.pl/_10000000/ad.json?pbsrv_v=1.2.0"
+                .containsExactlyInAnyOrder("https://myao.adocean.pl/_10000000/ad.json?pbsrv_v=1.3.0"
                         + "&id=tmYF.DMl7ZBq.Nqt2Bq4FutQTJfTpxCOmtNPZoQUDcL.G7"
                         + "&nc=1&nosecure=1&aid=adoceanmyaozpniqismex%3Aao-test"
                         + "&gdpr_consent=consent&gdpr=1&dpidmd5=dpidmd5&devos=os&devosv=osv"
diff --git a/src/test/java/org/prebid/server/it/AdoceanTest.java b/src/test/java/org/prebid/server/it/AdoceanTest.java
index 0715c7baa2e..b9ba5495b18 100644
--- a/src/test/java/org/prebid/server/it/AdoceanTest.java
+++ b/src/test/java/org/prebid/server/it/AdoceanTest.java
@@ -28,7 +28,6 @@ public void openrtb2AuctionShouldRespondWithBidsFromAdocean() throws IOException
                 Endpoint.openrtb2_auction);
 
         // then
-        assertJsonEquals("openrtb2/adocean/test-auction-adocean-response.json", response,
-                singletonList("adocean"));
+        assertJsonEquals("openrtb2/adocean/test-auction-adocean-response.json", response, singletonList("adocean"));
     }
 }
diff --git a/src/test/resources/org/prebid/server/it/openrtb2/adocean/test-auction-adocean-request.json b/src/test/resources/org/prebid/server/it/openrtb2/adocean/test-auction-adocean-request.json
index 21314cddc9e..eccdf164b32 100644
--- a/src/test/resources/org/prebid/server/it/openrtb2/adocean/test-auction-adocean-request.json
+++ b/src/test/resources/org/prebid/server/it/openrtb2/adocean/test-auction-adocean-request.json
@@ -11,7 +11,7 @@
         "prebid": {
           "bidder": {
             "adocean": {
-              "emiter": "myao.adocean.pl",
+              "emitterPrefix": "myao",
               "masterId": "tmYF.DMl7ZBq.Nqt2Bq4FutQTJfTpxCOmtNPZoQUDcL.G7",
               "slaveId": "adoceanmyaozpniqismex"
             }