diff --git a/app/components/Entity/components/ConfigureWorkflowInputs/components/Main/components/Stepper/components/Step/hooks/UseLaunchGalaxy/useLaunchGalaxy.ts b/app/components/Entity/components/ConfigureWorkflowInputs/components/Main/components/Stepper/components/Step/hooks/UseLaunchGalaxy/useLaunchGalaxy.ts
index f9bd1984a..7f6f67e07 100644
--- a/app/components/Entity/components/ConfigureWorkflowInputs/components/Main/components/Stepper/components/Step/hooks/UseLaunchGalaxy/useLaunchGalaxy.ts
+++ b/app/components/Entity/components/ConfigureWorkflowInputs/components/Main/components/Stepper/components/Step/hooks/UseLaunchGalaxy/useLaunchGalaxy.ts
@@ -1,4 +1,5 @@
 import { useAsync } from "@databiosphere/findable-ui/lib/hooks/useAsync";
+import { useConfig } from "@databiosphere/findable-ui/lib/hooks/useConfig";
 import { useCallback } from "react";
 import {
   getDataLandingUrl,
@@ -14,11 +15,13 @@ export const useLaunchGalaxy = ({
   workflow,
 }: Props): UseLaunchGalaxy => {
   const { error, isLoading: loading, run } = useAsync<string>();
+  const { config } = useConfig();
   const configuredValue = getConfiguredValues(configuredInput, workflow);
   const disabled = !configuredValue;
 
   const onLaunchGalaxy = useCallback(async (): Promise<void> => {
     if (!configuredValue) return;
+    const origin = config.browserURL || window.location.origin;
 
     const landingUrl =
       workflow.trsId === CUSTOM_WORKFLOW.trsId
@@ -28,7 +31,8 @@ export const useLaunchGalaxy = ({
               configuredValue.geneModelUrl,
               configuredValue.readRunsSingle,
               configuredValue.readRunsPaired,
-              configuredValue.tracks
+              configuredValue.tracks,
+              origin
             )
           )
         : await run(
@@ -38,7 +42,8 @@ export const useLaunchGalaxy = ({
               configuredValue.geneModelUrl,
               configuredValue.readRunsSingle,
               configuredValue.readRunsPaired,
-              workflow.parameters
+              workflow.parameters,
+              origin
             )
           );
 
@@ -48,7 +53,7 @@ export const useLaunchGalaxy = ({
 
     // Launch the Galaxy workflow.
     launchGalaxy(landingUrl);
-  }, [configuredValue, run, workflow]);
+  }, [config, configuredValue, run, workflow]);
 
   let errorMessage: string | null = null;
   if (error) {
diff --git a/app/utils/galaxy-api/entities.ts b/app/utils/galaxy-api/entities.ts
index d63669287..e72cc8822 100644
--- a/app/utils/galaxy-api/entities.ts
+++ b/app/utils/galaxy-api/entities.ts
@@ -16,6 +16,7 @@ export interface EnaFileInfo {
 //// Workflow landing types
 
 export interface WorkflowLandingsBody {
+  origin: string;
   public: true;
   request_state: WorkflowLandingsBodyRequestState;
   workflow_id: string;
@@ -62,6 +63,7 @@ interface WorkflowCollectionUrlData {
 //// Data landing types
 
 export interface DataLandingsBody {
+  origin: string;
   public: true;
   request_state: DataLandingsBodyRequestState;
 }
diff --git a/app/utils/galaxy-api/galaxy-api.ts b/app/utils/galaxy-api/galaxy-api.ts
index 5bc3f5c07..ef2b2e303 100644
--- a/app/utils/galaxy-api/galaxy-api.ts
+++ b/app/utils/galaxy-api/galaxy-api.ts
@@ -47,6 +47,7 @@ const dataLandingUrl = `${galaxyInstanceUrl}/tool_landings`;
  * @param readRunsSingle - Single read runs parameter sent to the API.
  * @param readRunsPaired - Paired read runs parameter sent to the API.
  * @param parameters - Parameters for this workflow.
+ * @param origin - Origin URL of the site making the request.
  * @returns workflow landing URL.
  */
 export async function getWorkflowLandingUrl(
@@ -55,9 +56,11 @@ export async function getWorkflowLandingUrl(
   geneModelUrl: string | null,
   readRunsSingle: EnaSequencingReads[] | null,
   readRunsPaired: EnaSequencingReads[] | null,
-  parameters: WorkflowParameter[]
+  parameters: WorkflowParameter[],
+  origin: string
 ): Promise<string> {
   const body: WorkflowLandingsBody = {
+    origin,
     public: true,
     request_state: getWorkflowLandingsRequestState(
       referenceGenome,
@@ -79,6 +82,7 @@ export async function getWorkflowLandingUrl(
  * @param readRunsSingle - Single read runs parameter sent to the API.
  * @param readRunsPaired - Paired read runs parameter sent to the API.
  * @param tracks - UCSC tracks sent to the API. Should all have defined `bigDataUrl` values.
+ * @param origin - Origin URL of the site making the request.
  * @returns data landing URL.
  */
 export async function getDataLandingUrl(
@@ -86,9 +90,11 @@ export async function getDataLandingUrl(
   geneModelUrl: string | null,
   readRunsSingle: EnaSequencingReads[] | null,
   readRunsPaired: EnaSequencingReads[] | null,
-  tracks: UcscTrack[] | null
+  tracks: UcscTrack[] | null,
+  origin: string
 ): Promise<string> {
   const body: DataLandingsBody = {
+    origin,
     public: true,
     request_state: getDataLandingsRequestState(
       referenceGenome,