diff --git a/api/migrations/Version20231110140316.php b/api/migrations/Version20231110140316.php
new file mode 100644
index 000000000..72fb31735
--- /dev/null
+++ b/api/migrations/Version20231110140316.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20231110140316 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE synchronization ADD sha VARCHAR(255) DEFAULT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE synchronization DROP sha');
+    }
+}
diff --git a/api/src/Entity/Synchronization.php b/api/src/Entity/Synchronization.php
index 4bd2025e7..678594050 100644
--- a/api/src/Entity/Synchronization.php
+++ b/api/src/Entity/Synchronization.php
@@ -154,7 +154,16 @@ class Synchronization
     private ?string $hash = '';
 
     /**
-     * @var bool Whether or not the synchronization is blocked
+     * @var ?string The sha(256) used to check if a Sync should be triggered cause the object has changed
+     *
+     * @Groups({"read","write"})
+     *
+     * @ORM\Column(type="string", nullable=true)
+     */
+    private ?string $sha = null;
+
+    /**
+     * @var bool Whether the synchronization is blocked
      *
      * @Groups({"read", "write"})
      *
@@ -361,6 +370,18 @@ public function setHash(?string $hash): self
         return $this;
     }
 
+    public function getSha(): ?string
+    {
+        return $this->sha;
+    }
+
+    public function setSha(?string $sha): self
+    {
+        $this->sha = $sha;
+
+        return $this;
+    }
+
     public function getSourceLastChanged(): ?\DateTimeInterface
     {
         return $this->sourceLastChanged;
diff --git a/api/src/Service/SynchronizationService.php b/api/src/Service/SynchronizationService.php
index cd48120b9..b70a62ee0 100644
--- a/api/src/Service/SynchronizationService.php
+++ b/api/src/Service/SynchronizationService.php
@@ -66,6 +66,7 @@ class SynchronizationService
     private Logger $logger;
 
     private bool $asyncError = false;
+    private ?string $sha = null;
 
     /**
      * @param CallService              $callService
@@ -917,6 +918,29 @@ public function handleSync(Synchronization $synchronization, array $sourceObject
         return $synchronization;
     }
 
+    /**
+     * This function checks if the sha of $synchronization matches the given $sha.
+     * When $synchronization->getSha() doesn't match with the given $sha, the given $sha will be stored in the SynchronizationService.
+     * Always call the ->synchronize() function after this, because only then the stored $sha will be used to update $synchronization->setSha().
+     *
+     * @param Synchronization $synchronization The Synchronization to check the sha of.
+     * @param string $sha The sha to check / compare.
+     *
+     * @return bool Returns True if sha matches, and false if it does not match.
+     */
+    public function doesShaMatch(Synchronization $synchronization, string $sha): bool
+    {
+        $this->sha = null;
+
+        if ($synchronization->getSha() === $sha) {
+            return true;
+        }
+
+        $this->sha = $sha;
+
+        return false;
+    }
+
     /**
      * Executes the synchronization between source and gateway.
      *
@@ -988,6 +1012,12 @@ public function synchronize(Synchronization $synchronization, array $sourceObjec
             $sourceObject = $this->mappingService->mapping($synchronization->getMapping(), $sourceObject);
         }
         $synchronization->getObject()->hydrate($sourceObject, $unsafe);
+
+        if ($this->sha !== null) {
+            $synchronization->setSha($this->sha);
+            $this->sha = null;
+        }
+
         $this->entityManager->persist($synchronization->getObject());
         $this->entityManager->persist($synchronization);