diff --git a/src/main/java/com/coveo/pushapiclient/Document.java b/src/main/java/com/coveo/pushapiclient/Document.java
index fa27bbf7..22fa35b4 100644
--- a/src/main/java/com/coveo/pushapiclient/Document.java
+++ b/src/main/java/com/coveo/pushapiclient/Document.java
@@ -90,7 +90,7 @@ public class Document {
      * <p>
      * See https://docs.coveo.com/en/107 for more information.
      */
-    public DocumentPermissions permissions;
+    public DocumentPermissions[] permissions;
     /**
      * The file extension of the data you're pushing.
      * <p>
@@ -101,5 +101,9 @@ public class Document {
      * Example: `.html`
      */
     public String fileExtension;
+
+    public Document() {
+        this.permissions = new DocumentPermissions[]{new DocumentPermissions()};
+    }
 }
 
diff --git a/src/main/java/com/coveo/pushapiclient/DocumentBuilder.java b/src/main/java/com/coveo/pushapiclient/DocumentBuilder.java
index 80a83399..e7a7ce96 100644
--- a/src/main/java/com/coveo/pushapiclient/DocumentBuilder.java
+++ b/src/main/java/com/coveo/pushapiclient/DocumentBuilder.java
@@ -16,6 +16,10 @@ public DocumentBuilder(String uri, String title) {
         this.document.title = title;
     }
 
+    public Document getDocument() {
+        return this.document;
+    }
+
     public DocumentBuilder withData(String data) {
         this.document.data = data;
         return this;
diff --git a/src/main/java/com/coveo/pushapiclient/DocumentPermissions.java b/src/main/java/com/coveo/pushapiclient/DocumentPermissions.java
index 5314e2af..63a1c5c3 100644
--- a/src/main/java/com/coveo/pushapiclient/DocumentPermissions.java
+++ b/src/main/java/com/coveo/pushapiclient/DocumentPermissions.java
@@ -3,7 +3,6 @@
 public class DocumentPermissions {
     /**
      * Whether to allow anonymous users in this permission set.
-     *
      * Default value is false.
      */
     public boolean allowAnonymous;
@@ -15,4 +14,10 @@ public class DocumentPermissions {
      * The list of denied permissions for this permission set.
      */
     public SecurityIdentity[] deniedPermissions;
-}
\ No newline at end of file
+
+    public DocumentPermissions() {
+        this.allowAnonymous = true;
+        this.allowedPermissions = new SecurityIdentity[]{};
+        this.deniedPermissions = new SecurityIdentity[]{};
+    }
+}
diff --git a/src/main/java/com/coveo/pushapiclient/PlatformClient.java b/src/main/java/com/coveo/pushapiclient/PlatformClient.java
index cedf87d6..3f6535ef 100644
--- a/src/main/java/com/coveo/pushapiclient/PlatformClient.java
+++ b/src/main/java/com/coveo/pushapiclient/PlatformClient.java
@@ -113,8 +113,17 @@ public HttpResponse<String> manageSecurityIdentities(String securityProviderId,
         return this.httpClient.send(request, HttpResponse.BodyHandlers.ofString());
     }
 
-    public void pushDocument(String sourceId, Document doc) {
-        // TODO
+    public HttpResponse<String> pushDocument(String sourceId, String documentJSON, String documentId) throws IOException, InterruptedException {
+        String[] headers = this.getHeaders(this.getAuthorizationHeader(), this.getContentTypeApplicationJSONHeader());
+        URI uri = URI.create(this.getBasePushURL() + String.format("/sources/%s/documents?documentId=%s", sourceId, documentId));
+
+        HttpRequest request = HttpRequest.newBuilder()
+                .headers(headers)
+                .PUT(HttpRequest.BodyPublishers.ofString(documentJSON))
+                .uri(uri)
+                .build();
+
+        return this.httpClient.send(request, HttpResponse.BodyHandlers.ofString());
     }
 
     public void deleteDocument(String sourceId, String documentId, Boolean deleteChildren) {
diff --git a/src/main/java/com/coveo/pushapiclient/Source.java b/src/main/java/com/coveo/pushapiclient/Source.java
index ffc4a3c0..84813148 100644
--- a/src/main/java/com/coveo/pushapiclient/Source.java
+++ b/src/main/java/com/coveo/pushapiclient/Source.java
@@ -33,4 +33,8 @@ public HttpResponse<String> deleteOldSecurityIdentities(String securityProviderI
     public HttpResponse<String> manageSecurityIdentities(String securityProviderId, SecurityIdentityBatchConfig batchConfig) throws IOException, InterruptedException {
         return this.platformClient.manageSecurityIdentities(securityProviderId, batchConfig);
     }
+
+    public HttpResponse<String> addOrUpdateDocument(String sourceId, DocumentBuilder docBuilder) throws IOException, InterruptedException {
+        return this.platformClient.pushDocument(sourceId, docBuilder.marshal(), docBuilder.getDocument().uri);
+    }
 }
diff --git a/src/main/java/com/coveo/testlocally/TestingLocally.java b/src/main/java/com/coveo/testlocally/TestingLocally.java
index cdf33fba..650f0582 100644
--- a/src/main/java/com/coveo/testlocally/TestingLocally.java
+++ b/src/main/java/com/coveo/testlocally/TestingLocally.java
@@ -13,7 +13,7 @@ public class TestingLocally {
     public static void main(String[] args) {
         Dotenv dotenv = Dotenv.load();
 
-        DocumentBuilder doc = new DocumentBuilder("https://perdu.com", "the title").withData("this is searchable").withDate(new Date());
+
         Source source = new Source(dotenv.get("API_KEY"), dotenv.get("ORG_ID"));
         try {
             HttpResponse res = source.create("testlocaljava", SourceVisibility.SECURED);
@@ -22,7 +22,22 @@ public static void main(String[] args) {
             e.printStackTrace();
         }
 
+        testManageIdentities(source);
+        testPushDocument(dotenv.get("SOURCE_ID"), source);
+    }
 
+    public static void testPushDocument(String sourceId, Source source) {
+        DocumentBuilder doc = new DocumentBuilder("https://perdu.com", "the title").withData("this is searchable").withDate(new Date());
+        System.out.println(doc.marshal());
+        try {
+            source.addOrUpdateDocument(sourceId, doc);
+        } catch (IOException | InterruptedException e) {
+            System.out.println(e);
+        }
+
+    }
+
+    public static void testManageIdentities(Source source) {
         IdentityModel identityModel = new IdentityModel("the_name", SecurityIdentityType.USER, new HashMap() {
         });
 
@@ -31,7 +46,6 @@ public static void main(String[] args) {
         };
 
         AliasMapping[] aliasMapping = {new AliasMapping("the_provider_name", "the_name", SecurityIdentityType.USER, new HashMap<>())};
-
         try {
             SecurityIdentityModel securityIdentityModel = new SecurityIdentityModel(identityModels, identityModel, identityModels);
             String jsonSecurityIdentityModel = new Gson().toJson(securityIdentityModel);