diff --git a/src/Collaborators/index.ts b/src/Collaborators/index.ts
index c21128e3..fc7b1825 100644
--- a/src/Collaborators/index.ts
+++ b/src/Collaborators/index.ts
@@ -6,6 +6,12 @@ import {
 } from "../models/regional/collaborators";
 import { unpackData } from "../utils";
 
+export type IndexQuery = NonNullable<unknown>;
+
+export interface IndexResponse {
+  collaborators: Collaborator[];
+}
+
 /**
  * Collaborators API Client
  */
@@ -74,4 +80,13 @@ export default class Collaborators {
         .get("/apps/collaboration", { params: { token: token } }),
     );
   }
+
+  /**
+   * list all request owner collaborators
+   */
+  all(params: IndexQuery): Promise<IndexResponse> {
+    return unpackData(
+      this._client.apiClient().get("/collaborators", { params }),
+    );
+  }
 }
diff --git a/src/models/regional/collaborators.ts b/src/models/regional/collaborators.ts
index 127cb8dd..6d6b68f3 100644
--- a/src/models/regional/collaborators.ts
+++ b/src/models/regional/collaborators.ts
@@ -21,6 +21,8 @@ export interface Collaborator {
   username: string;
   /** Status of the invitation */
   status: string;
+  /** Name of the application owning the collaborator */
+  app_name?: string;
 }
 
 export interface CollaboratorInvitation {
diff --git a/test/Collaborators/index.test.js b/test/Collaborators/index.test.js
index c52dd43c..0a72dd13 100644
--- a/test/Collaborators/index.test.js
+++ b/test/Collaborators/index.test.js
@@ -50,3 +50,14 @@ describe("Collaborators#inviteAccept", () => {
     },
   );
 });
+
+describe("Collaborators#all", () => {
+  testGetter(
+    "https://api.osc-fr1.scalingo.com/v1/collaborators",
+    {},
+    null,
+    (client) => {
+      return new Collaborators(client).all();
+    },
+  );
+});