diff --git a/client/src/api/histories.ts b/client/src/api/histories.ts
index a4da4bb0627f..da0564f0ab43 100644
--- a/client/src/api/histories.ts
+++ b/client/src/api/histories.ts
@@ -7,3 +7,4 @@ export const deleteHistories = fetcher.path("/api/histories/batch/delete").metho
 export const undeleteHistory = fetcher.path("/api/histories/deleted/{history_id}/undelete").method("post").create();
 export const undeleteHistories = fetcher.path("/api/histories/batch/undelete").method("put").create();
 export const historiesQuery = fetcher.path("/api/histories/query").method("get").create();
+export const publishedHistoriesFetcher = fetcher.path("/api/histories/published").method("get").create();
diff --git a/client/src/api/invocations.ts b/client/src/api/invocations.ts
index fe8b8d5da4c7..c604a40998b3 100644
--- a/client/src/api/invocations.ts
+++ b/client/src/api/invocations.ts
@@ -2,7 +2,9 @@ import axios from "axios";
 
 import { getAppRoot } from "@/onload";
 
-import { ApiResponse } from "./schema";
+import { ApiResponse, fetcher } from "./schema";
+
+export const invocationsFetcher = fetcher.path("/api/invocations").method("get").create();
 
 // TODO: Replace these interfaces with real schema models after https://github.com/galaxyproject/galaxy/pull/16707 is merged
 export interface WorkflowInvocation {
diff --git a/client/src/api/jobs.ts b/client/src/api/jobs.ts
index e915a9179098..65399c0beb96 100644
--- a/client/src/api/jobs.ts
+++ b/client/src/api/jobs.ts
@@ -6,3 +6,5 @@ export const jobLockStatus = fetcher.path("/api/job_lock").method("get").create(
 export const jobLockUpdate = fetcher.path("/api/job_lock").method("put").create();
 
 export const fetchJobDestinationParams = fetcher.path("/api/jobs/{job_id}/destination_params").method("get").create();
+
+export const jobsFetcher = fetcher.path("/api/jobs").method("get").create();
diff --git a/client/src/api/workflows.ts b/client/src/api/workflows.ts
new file mode 100644
index 000000000000..168e85ed00c4
--- /dev/null
+++ b/client/src/api/workflows.ts
@@ -0,0 +1,3 @@
+import { fetcher } from "@/api/schema";
+
+export const workflowsFetcher = fetcher.path("/api/workflows").method("get").create();
diff --git a/client/src/components/Markdown/MarkdownDialog.vue b/client/src/components/Markdown/MarkdownDialog.vue
index cbb4344bd03f..4076696f47ee 100644
--- a/client/src/components/Markdown/MarkdownDialog.vue
+++ b/client/src/components/Markdown/MarkdownDialog.vue
@@ -1,10 +1,12 @@
 <script setup lang="ts">
-import axios from "axios";
 import BootstrapVue from "bootstrap-vue";
 import { storeToRefs } from "pinia";
 import Vue, { computed, ref } from "vue";
 
-import { getAppRoot } from "@/onload/loadConfig";
+import { publishedHistoriesFetcher } from "@/api/histories";
+import { invocationsFetcher } from "@/api/invocations";
+import { jobsFetcher } from "@/api/jobs";
+import { workflowsFetcher } from "@/api/workflows";
 import { useHistoryStore } from "@/stores/historyStore";
 
 import MarkdownSelector from "./MarkdownSelector.vue";
@@ -19,7 +21,7 @@ interface MarkdownDialogProps {
     argumentName?: string;
     argumentType?: string;
     argumentPayload?: object;
-    labels: string[];
+    labels?: string[];
     useLabels: boolean;
 }
 
@@ -55,11 +57,6 @@ const selectorConfig = {
     },
 };
 
-const jobsUrl = `${getAppRoot()}api/jobs`;
-const workflowsUrl = `${getAppRoot()}api/workflows`;
-const invocationsUrl = `${getAppRoot()}api/invocations`;
-const historiesUrl = `${getAppRoot()}api/histories?view=detailed&q=published&qv=True`;
-
 const selectedShow = ref(false);
 const visualizationShow = ref(false);
 const workflowShow = ref(false);
@@ -76,19 +73,19 @@ const selectedLabelTitle = computed(() => {
 });
 
 function getInvocations() {
-    return axios.get(invocationsUrl);
+    return invocationsFetcher({});
 }
 
 function getJobs() {
-    return axios.get(jobsUrl);
+    return jobsFetcher({});
 }
 
 function getWorkflows() {
-    return axios.get(workflowsUrl);
+    return workflowsFetcher({});
 }
 
 function getHistories() {
-    return axios.get(historiesUrl);
+    return publishedHistoriesFetcher({});
 }
 
 function onData(response: string) {
diff --git a/client/src/components/Markdown/MarkdownToolBox.vue b/client/src/components/Markdown/MarkdownToolBox.vue
index 2f6e5d027858..c8f7341f6fed 100644
--- a/client/src/components/Markdown/MarkdownToolBox.vue
+++ b/client/src/components/Markdown/MarkdownToolBox.vue
@@ -105,7 +105,7 @@ export default {
         return {
             selectedArgumentName: null,
             selectedType: null,
-            selectedLabels: null,
+            selectedLabels: undefined,
             selectedShow: false,
             selectedPayload: null,
             visualizationIndex: {},