diff --git a/src/endpoints/flows.js b/src/endpoints/flows.js
index 6834df7e8..78eb402e3 100644
--- a/src/endpoints/flows.js
+++ b/src/endpoints/flows.js
@@ -121,6 +121,35 @@ class FlowsEndpoint extends CRUDExtend {
       token
     )
   }
+
+  CreateFlowRelationship(endpoint, srcId, flowSlug, targetType, targetId) {
+    return this.request.send(
+      `${endpoint}/${srcId}/relationships/${flowSlug}`,
+      'POST',
+      {
+          type: targetType,
+          id: targetId
+      }
+    )
+  }
+
+  DeleteFlowRelationship(endpoint, srcId, flowSlug) {
+    return this.request.send(
+      `${endpoint}/${srcId}/relationships/${flowSlug}`,
+      'DELETE'
+    )
+  }
+
+  UpdateFlowRelationship(endpoint, srcId, flowSlug, targetType, targetId) {
+    return this.request.send(
+      `${endpoint}/${srcId}/relationships/${flowSlug}`,
+      'PUT',
+      {
+          type: targetType,
+          id: targetId
+      }
+    )
+  }
 }
 
 export default FlowsEndpoint
diff --git a/src/types/flow.d.ts b/src/types/flow.d.ts
index 20bc4d863..f80f4168f 100644
--- a/src/types/flow.d.ts
+++ b/src/types/flow.d.ts
@@ -98,4 +98,11 @@ export interface FlowEndpoint {
   Attributes(token?: string): Promise<Attributes>
 
   GetFlowTypeAttributes(flowType: string, token?: string): Promise<Attributes>
+
+
+  CreateFlowRelationship(endpoint: string, srcId: string, flowSlug: string, targetType: string, targetId: string)
+
+  DeleteFlowRelationship(endpoint: string, srcId: string, flowSlug: string)
+
+  UpdateFlowRelationship(endpoint: string, srcId: string, flowSlug: string, targetType: string, targetId: string)
 }