diff --git a/docs/site/content/en/openapi/openapi.yaml b/docs/site/content/en/openapi/openapi.yaml
index a5983eef1..fa6f03a5c 100644
--- a/docs/site/content/en/openapi/openapi.yaml
+++ b/docs/site/content/en/openapi/openapi.yaml
@@ -2895,6 +2895,7 @@ components:
       description: Type of backend datastore
       required:
       - builtIn
+      - type
       - apiKey
       - url
       type: object
@@ -2902,6 +2903,9 @@ components:
         builtIn:
           description: Built In
           type: boolean
+        type:
+          description: type information
+          type: string
         apiKey:
           description: Collector API KEY
           type: string
@@ -3223,6 +3227,13 @@ components:
           oneOf:
           - $ref: "#/components/schemas/ElasticsearchDatastoreConfig"
           - $ref: "#/components/schemas/PostgresDatastoreConfig"
+          - $ref: "#/components/schemas/CollectorApiDatastoreConfig"
+          discriminator:
+            propertyName: type
+            mapping:
+              ELASTICSEARCH: "#/components/schemas/ElasticsearchDatastoreConfig"
+              POSTGRES: "#/components/schemas/PostgresDatastoreConfig"
+              COLLECTORAPI: "#/components/schemas/CollectorApiDatastoreConfig"
         type:
           description: Type of backend datastore
           enum:
@@ -3263,12 +3274,16 @@ components:
       description: Type of backend datastore
       required:
       - builtIn
+      - type
       - url
       type: object
       properties:
         builtIn:
           description: Built In
           type: boolean
+        type:
+          description: type information
+          type: string
         apiKey:
           description: Elasticsearch API KEY
           type: string
@@ -3884,11 +3899,15 @@ components:
       description: Built in backend datastore
       required:
       - builtIn
+      - type
       type: object
       properties:
         builtIn:
           description: Built In
           type: boolean
+        type:
+          description: type information
+          type: string
     ProtectedTimeType:
       required:
       - access
diff --git a/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/BaseDatastoreConfig.java b/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/BaseDatastoreConfig.java
index 929e92ebf..7ad283c4b 100644
--- a/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/BaseDatastoreConfig.java
+++ b/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/BaseDatastoreConfig.java
@@ -8,11 +8,15 @@ public abstract class BaseDatastoreConfig {
     @Schema(type = SchemaType.BOOLEAN, required = true, description = "Built In")
     public Boolean builtIn = true;
 
+    @Schema(type = SchemaType.STRING, required = true, description = "type information")
+    public String type = "";
+
     public BaseDatastoreConfig() {
     }
 
-    public BaseDatastoreConfig(Boolean builtIn) {
+    public BaseDatastoreConfig(Boolean builtIn, String type) {
         this.builtIn = builtIn;
+        this.type = type;
     }
 
     public abstract String validateConfig();
diff --git a/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/CollectorApiDatastoreConfig.java b/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/CollectorApiDatastoreConfig.java
index 21b2d5927..6698cbacc 100644
--- a/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/CollectorApiDatastoreConfig.java
+++ b/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/CollectorApiDatastoreConfig.java
@@ -7,7 +7,7 @@
 public class CollectorApiDatastoreConfig extends BaseDatastoreConfig {
 
     public CollectorApiDatastoreConfig() {
-        super(false);
+        super(false, "COLLECTORAPI");
     }
 
     @Schema(type = SchemaType.STRING, required = true, description = "Collector API KEY")
diff --git a/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/Datastore.java b/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/Datastore.java
index 4f63bb9c6..f032508de 100644
--- a/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/Datastore.java
+++ b/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/Datastore.java
@@ -3,6 +3,7 @@
 import jakarta.validation.constraints.NotNull;
 
 import org.eclipse.microprofile.openapi.annotations.enums.SchemaType;
+import org.eclipse.microprofile.openapi.annotations.media.DiscriminatorMapping;
 import org.eclipse.microprofile.openapi.annotations.media.Schema;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -30,7 +31,12 @@ public class Datastore extends ProtectedType {
     @JsonProperty(required = true)
     @Schema(type = SchemaType.OBJECT, oneOf = {
             ElasticsearchDatastoreConfig.class,
-            PostgresDatastoreConfig.class
+            PostgresDatastoreConfig.class,
+            CollectorApiDatastoreConfig.class
+    }, discriminatorProperty = "type", discriminatorMapping = {
+            @DiscriminatorMapping(value = "ELASTICSEARCH", schema = ElasticsearchDatastoreConfig.class),
+            @DiscriminatorMapping(value = "POSTGRES", schema = PostgresDatastoreConfig.class),
+            @DiscriminatorMapping(value = "COLLECTORAPI", schema = CollectorApiDatastoreConfig.class)
     })
     public ObjectNode config;
 
diff --git a/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/DatastoreType.java b/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/DatastoreType.java
index 8770743f5..c362f9afc 100644
--- a/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/DatastoreType.java
+++ b/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/DatastoreType.java
@@ -8,10 +8,13 @@
 
 @Schema(type = SchemaType.STRING, required = true, description = "Type of backend datastore")
 public enum DatastoreType {
+    @com.fasterxml.jackson.annotation.JsonProperty("POSTGRES")
     POSTGRES("POSTGRES", new TypeReference<PostgresDatastoreConfig>() {
     }),
+    @com.fasterxml.jackson.annotation.JsonProperty("ELASTICSEARCH")
     ELASTICSEARCH("ELASTICSEARCH", new TypeReference<ElasticsearchDatastoreConfig>() {
     }),
+    @com.fasterxml.jackson.annotation.JsonProperty("COLLECTORAPI")
     COLLECTORAPI("COLLECTORAPI", new TypeReference<CollectorApiDatastoreConfig>() {
     });
 
@@ -29,6 +32,11 @@ public <T extends BaseDatastoreConfig> TypeReference<T> getTypeReference() {
         return (TypeReference<T>) typeReference;
     }
 
+    @com.fasterxml.jackson.annotation.JsonValue
+    public String toValue() {
+        return name;
+    }
+
     @JsonCreator
     public static DatastoreType fromString(String str) {
         try {
diff --git a/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/ElasticsearchDatastoreConfig.java b/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/ElasticsearchDatastoreConfig.java
index eaed6afce..0578e801b 100644
--- a/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/ElasticsearchDatastoreConfig.java
+++ b/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/ElasticsearchDatastoreConfig.java
@@ -12,7 +12,7 @@
 public class ElasticsearchDatastoreConfig extends BaseDatastoreConfig {
 
     public ElasticsearchDatastoreConfig() {
-        super(false);
+        super(false, "ELASTICSEARCH");
     }
 
     @Schema(type = SchemaType.STRING, description = "Elasticsearch API KEY")
diff --git a/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/PostgresDatastoreConfig.java b/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/PostgresDatastoreConfig.java
index 2082f764d..b85e17a2c 100644
--- a/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/PostgresDatastoreConfig.java
+++ b/horreum-api/src/main/java/io/hyperfoil/tools/horreum/api/data/datastore/PostgresDatastoreConfig.java
@@ -6,6 +6,10 @@
 @Schema(type = SchemaType.OBJECT, required = true, description = "Built in backend datastore")
 public class PostgresDatastoreConfig extends BaseDatastoreConfig {
 
+    public PostgresDatastoreConfig() {
+        super(false, "POSTGRES");
+    }
+
     @Override
     public String validateConfig() {
         return null;
diff --git a/horreum-web/src/domain/admin/Datastores.tsx b/horreum-web/src/domain/admin/Datastores.tsx
index d7c028c73..3657dcadf 100644
--- a/horreum-web/src/domain/admin/Datastores.tsx
+++ b/horreum-web/src/domain/admin/Datastores.tsx
@@ -22,11 +22,9 @@ import VerifyBackendModal from "./datastore/VerifyBackendModal";
 import {
     Access,
     apiCall,
-    CollectorApiDatastoreConfig,
     configApi,
-    Datastore,
+    Datastore, DatastoreConfig,
     DatastoreTypeEnum,
-    ElasticsearchDatastoreConfig
 } from "../../api";
 import {AppContext} from "../../context/appContext";
 import {AppContextType} from "../../context/@types/appContextTypes";
@@ -66,10 +64,9 @@ const DatastoresTable = ( props: dataStoreTableProps) => {
         },
 
     ];
-    const newBackendConfig: ElasticsearchDatastoreConfig | CollectorApiDatastoreConfig = {
-        url: "",
-        apiKey: "",
-        builtIn: false
+    const newBackendConfig: DatastoreConfig = {
+        builtIn: false,
+        type: DatastoreTypeEnum.Postgres
     }
 
     const newDataStore: Datastore = {
diff --git a/horreum-web/src/domain/admin/datastore/ModifyDatastoreModal.tsx b/horreum-web/src/domain/admin/datastore/ModifyDatastoreModal.tsx
index c21104af4..5e6d81d47 100644
--- a/horreum-web/src/domain/admin/datastore/ModifyDatastoreModal.tsx
+++ b/horreum-web/src/domain/admin/datastore/ModifyDatastoreModal.tsx
@@ -9,7 +9,7 @@ import {
     Modal, TextInput
 } from "@patternfly/react-core"
 import {
-    Datastore,
+    Datastore, DatastoreConfig,
     DatastoreTypeEnum, ElasticsearchDatastoreConfig,
 } from "../../../api";
 import {AppContext} from "../../../context/appContext";
@@ -134,8 +134,10 @@ export default function ModifyDatastoreModal({isOpen, onClose, persistDatastore,
                     <TextInput
                         value={"url" in dataStore.config ? dataStore.config.url : ""}
                         onChange={(_, value) => {
-                            const config :ElasticsearchDatastoreConfig = dataStore.config as ElasticsearchDatastoreConfig;
-                            config.url = value
+                            const config :DatastoreConfig = {
+                                type: DatastoreTypeEnum.Elasticsearch,
+                                url: value
+                            } as DatastoreConfig;
                             updateDatastore({...dataStore, config: config})
                             }}
                         isDisabled={enabledURL}
@@ -157,8 +159,11 @@ export default function ModifyDatastoreModal({isOpen, onClose, persistDatastore,
                     <TextInput
                         value={"apiKey" in dataStore.config ? dataStore.config.apiKey : ""}
                         onChange={(_, value) => {
-                            const config :ElasticsearchDatastoreConfig = dataStore.config as ElasticsearchDatastoreConfig;
-                            config.apiKey = value
+                            const config :DatastoreConfig = {
+                                type: DatastoreTypeEnum.Elasticsearch,
+                                apiKey: value
+                            } as DatastoreConfig;
+
                             updateDatastore({...dataStore, config: config})
                         }}isDisabled={enabledToken}
                         type="text"
@@ -180,8 +185,10 @@ export default function ModifyDatastoreModal({isOpen, onClose, persistDatastore,
                     <TextInput
                         value={"username" in dataStore.config ? dataStore.config.username : ""}
                         onChange={(_, value) => {
-                            const config :ElasticsearchDatastoreConfig = dataStore.config as ElasticsearchDatastoreConfig;
-                            config.username = value
+                            const config :DatastoreConfig = {
+                                type: DatastoreTypeEnum.Elasticsearch,
+                                username: value
+                            } as DatastoreConfig;
                             updateDatastore({...dataStore, config: config})
                         }}isDisabled={enabledToken}
                         type="text"
@@ -202,8 +209,10 @@ export default function ModifyDatastoreModal({isOpen, onClose, persistDatastore,
                     <TextInput
                         value={"password" in dataStore.config ? dataStore.config.password : ""}
                         onChange={(_, value) => {
-                            const config :ElasticsearchDatastoreConfig = dataStore.config as ElasticsearchDatastoreConfig;
-                            config.password = value
+                            const config :DatastoreConfig = {
+                                type: DatastoreTypeEnum.Elasticsearch,
+                                password: value
+                            } as DatastoreConfig;
                             updateDatastore({...dataStore, config: config})
                         }}isDisabled={enabledToken}
                         type="text"