diff --git a/src/main/java/onlydust/com/marketplace/kernel/model/ProgramId.java b/src/main/java/onlydust/com/marketplace/kernel/model/ProgramId.java
index a71bdb8..37eaf87 100644
--- a/src/main/java/onlydust/com/marketplace/kernel/model/ProgramId.java
+++ b/src/main/java/onlydust/com/marketplace/kernel/model/ProgramId.java
@@ -1,5 +1,6 @@
 package onlydust.com.marketplace.kernel.model;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 import lombok.NonNull;
@@ -15,6 +16,7 @@ public static ProgramId of(@NonNull final UUID uuid) {
         return ProgramId.builder().uuid(uuid).build();
     }
 
+    @JsonCreator
     public static ProgramId of(@NonNull final String uuid) {
         return ProgramId.of(UUID.fromString(uuid));
     }
diff --git a/src/main/java/onlydust/com/marketplace/kernel/model/ProjectId.java b/src/main/java/onlydust/com/marketplace/kernel/model/ProjectId.java
index 821c23a..e3b2fb3 100644
--- a/src/main/java/onlydust/com/marketplace/kernel/model/ProjectId.java
+++ b/src/main/java/onlydust/com/marketplace/kernel/model/ProjectId.java
@@ -1,5 +1,6 @@
 package onlydust.com.marketplace.kernel.model;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 import lombok.NonNull;
@@ -15,6 +16,7 @@ public static ProjectId of(@NonNull final UUID uuid) {
         return ProjectId.builder().uuid(uuid).build();
     }
 
+    @JsonCreator
     public static ProjectId of(@NonNull final String uuid) {
         return ProjectId.of(UUID.fromString(uuid));
     }
diff --git a/src/main/java/onlydust/com/marketplace/kernel/model/RewardId.java b/src/main/java/onlydust/com/marketplace/kernel/model/RewardId.java
index dc62c06..b0dc242 100644
--- a/src/main/java/onlydust/com/marketplace/kernel/model/RewardId.java
+++ b/src/main/java/onlydust/com/marketplace/kernel/model/RewardId.java
@@ -1,5 +1,6 @@
 package onlydust.com.marketplace.kernel.model;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 import lombok.NonNull;
@@ -15,6 +16,7 @@ public static RewardId of(@NonNull final UUID uuid) {
         return RewardId.builder().uuid(uuid).build();
     }
 
+    @JsonCreator
     public static RewardId of(@NonNull final String uuid) {
         return RewardId.of(UUID.fromString(uuid));
     }
diff --git a/src/main/java/onlydust/com/marketplace/kernel/model/SponsorId.java b/src/main/java/onlydust/com/marketplace/kernel/model/SponsorId.java
index 914f502..8785a8f 100644
--- a/src/main/java/onlydust/com/marketplace/kernel/model/SponsorId.java
+++ b/src/main/java/onlydust/com/marketplace/kernel/model/SponsorId.java
@@ -1,5 +1,6 @@
 package onlydust.com.marketplace.kernel.model;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 import lombok.NonNull;
@@ -15,6 +16,7 @@ public static SponsorId of(@NonNull final UUID uuid) {
         return SponsorId.builder().uuid(uuid).build();
     }
 
+    @JsonCreator
     public static SponsorId of(@NonNull final String uuid) {
         return SponsorId.of(UUID.fromString(uuid));
     }
diff --git a/src/main/java/onlydust/com/marketplace/kernel/model/UserId.java b/src/main/java/onlydust/com/marketplace/kernel/model/UserId.java
index 466ab73..cad7405 100644
--- a/src/main/java/onlydust/com/marketplace/kernel/model/UserId.java
+++ b/src/main/java/onlydust/com/marketplace/kernel/model/UserId.java
@@ -1,5 +1,6 @@
 package onlydust.com.marketplace.kernel.model;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 import lombok.NonNull;
@@ -15,6 +16,7 @@ public static UserId of(@NonNull final UUID uuid) {
         return UserId.builder().uuid(uuid).build();
     }
 
+    @JsonCreator
     public static UserId of(@NonNull final String uuid) {
         return UserId.of(UUID.fromString(uuid));
     }
diff --git a/src/main/java/onlydust/com/marketplace/kernel/model/UuidWrapper.java b/src/main/java/onlydust/com/marketplace/kernel/model/UuidWrapper.java
index e9511b3..511db10 100644
--- a/src/main/java/onlydust/com/marketplace/kernel/model/UuidWrapper.java
+++ b/src/main/java/onlydust/com/marketplace/kernel/model/UuidWrapper.java
@@ -15,6 +15,7 @@ public abstract class UuidWrapper {
     @Builder.Default
     private final UUID uuid = UUID.randomUUID();
 
+    @Override
     public String toString() {
         return uuid.toString();
     }