diff --git a/plugins/importer-insomnia/src/common.ts b/plugins/importer-insomnia/src/common.ts
index 262a1d64..c82198dc 100644
--- a/plugins/importer-insomnia/src/common.ts
+++ b/plugins/importer-insomnia/src/common.ts
@@ -1,9 +1,3 @@
-
-export function convertSyntax(variable: string): string {
-  if (!isJSString(variable)) return variable;
-  return variable.replaceAll(/{{\s*(_\.)?([^}]+)\s*}}/g, '${[$2]}');
-}
-
 export function isJSObject(obj: unknown) {
   return Object.prototype.toString.call(obj) === '[object Object]';
 }
@@ -32,3 +26,18 @@ export function deleteUndefinedAttrs<T>(obj: T): T {
     return obj;
   }
 }
+
+/** Recursively render all nested object properties */
+export function convertTemplateSyntax<T>(obj: T): T {
+  if (typeof obj === 'string') {
+    return obj.replaceAll(/{{\s*(_\.)?([^}]+)\s*}}/g, '${[$2]}') as T;
+  } else if (Array.isArray(obj) && obj != null) {
+    return obj.map(convertTemplateSyntax) as T;
+  } else if (typeof obj === 'object' && obj != null) {
+    return Object.fromEntries(
+      Object.entries(obj).map(([k, v]) => [k, convertTemplateSyntax(v)]),
+    ) as T;
+  } else {
+    return obj;
+  }
+}
diff --git a/plugins/importer-insomnia/src/v4.ts b/plugins/importer-insomnia/src/v4.ts
index 0062efb2..b3189b44 100644
--- a/plugins/importer-insomnia/src/v4.ts
+++ b/plugins/importer-insomnia/src/v4.ts
@@ -1,6 +1,6 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 import type { PartialImportResources } from '@yaakapp/api';
-import { convertId, convertSyntax, isJSObject } from './common';
+import { convertId, convertTemplateSyntax, isJSObject } from './common';
 
 export function convertInsomniaV4(parsed: any) {
   if (!Array.isArray(parsed.resources)) return null;
@@ -60,7 +60,7 @@ export function convertInsomniaV4(parsed: any) {
   resources.environments = resources.environments.filter(Boolean);
   resources.workspaces = resources.workspaces.filter(Boolean);
 
-  return { resources };
+  return { resources: convertTemplateSyntax(resources) };
 }
 
 function importHttpRequest(r: any, workspaceId: string): PartialImportResources['httpRequests'][0] {
@@ -90,10 +90,10 @@ function importHttpRequest(r: any, workspaceId: string): PartialImportResources[
     };
   } else if (r.body?.mimeType === 'application/graphql') {
     bodyType = 'graphql';
-    body = { text: convertSyntax(r.body.text ?? '') };
+    body = { text: r.body.text ?? '' };
   } else if (r.body?.mimeType === 'application/json') {
     bodyType = 'application/json';
-    body = { text: convertSyntax(r.body.text ?? '') };
+    body = { text: r.body.text ?? '' };
   }
 
   let authenticationType: string | null = null;
@@ -101,13 +101,13 @@ function importHttpRequest(r: any, workspaceId: string): PartialImportResources[
   if (r.authentication.type === 'bearer') {
     authenticationType = 'bearer';
     authentication = {
-      token: convertSyntax(r.authentication.token),
+      token: r.authentication.token,
     };
   } else if (r.authentication.type === 'basic') {
     authenticationType = 'basic';
     authentication = {
-      username: convertSyntax(r.authentication.username),
-      password: convertSyntax(r.authentication.password),
+      username: r.authentication.username,
+      password: r.authentication.password,
     };
   }
 
@@ -121,13 +121,12 @@ function importHttpRequest(r: any, workspaceId: string): PartialImportResources[
     sortPriority: r.metaSortKey,
     name: r.name,
     description: r.description || undefined,
-    url: convertSyntax(r.url),
-    urlParameters: (r.parameters ?? [])
-      .map((p: any) => ({
-        enabled: !p.disabled,
-        name: p.name ?? '',
-        value: p.value ?? '',
-      })),
+    url: r.url,
+    urlParameters: (r.parameters ?? []).map((p: any) => ({
+      enabled: !p.disabled,
+      name: p.name ?? '',
+      value: p.value ?? '',
+    })),
     body,
     bodyType,
     authentication,
@@ -158,7 +157,7 @@ function importGrpcRequest(r: any, workspaceId: string): PartialImportResources[
     sortPriority: r.metaSortKey,
     name: r.name,
     description: r.description || undefined,
-    url: convertSyntax(r.url),
+    url: r.url,
     service,
     method,
     message: r.body?.text ?? '',
diff --git a/plugins/importer-insomnia/src/v5.ts b/plugins/importer-insomnia/src/v5.ts
index 2209351f..6ac31621 100644
--- a/plugins/importer-insomnia/src/v5.ts
+++ b/plugins/importer-insomnia/src/v5.ts
@@ -1,6 +1,6 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 import type { PartialImportResources } from '@yaakapp/api';
-import { convertId, convertSyntax, isJSObject } from './common';
+import { convertId, convertTemplateSyntax, isJSObject } from './common';
 
 export function convertInsomniaV5(parsed: any) {
   // Assert parsed is object
@@ -69,7 +69,7 @@ export function convertInsomniaV5(parsed: any) {
   resources.environments = resources.environments.filter(Boolean);
   resources.workspaces = resources.workspaces.filter(Boolean);
 
-  return { resources };
+  return { resources: convertTemplateSyntax(resources) };
 }
 
 function importHttpRequest(
@@ -108,10 +108,10 @@ function importHttpRequest(
     };
   } else if (r.body?.mimeType === 'application/graphql') {
     bodyType = 'graphql';
-    body = { text: convertSyntax(r.body.text ?? '') };
+    body = { text: r.body.text ?? '' };
   } else if (r.body?.mimeType === 'application/json') {
     bodyType = 'application/json';
-    body = { text: convertSyntax(r.body.text ?? '') };
+    body = { text: r.body.text ?? '' };
   }
 
   return {
@@ -124,13 +124,12 @@ function importHttpRequest(
     model: 'http_request',
     name: r.name,
     description: r.meta?.description || undefined,
-    url: convertSyntax(r.url),
-    urlParameters: (r.parameters ?? [])
-      .map((p: any) => ({
-        enabled: !p.disabled,
-        name: p.name ?? '',
-        value: p.value ?? '',
-      })),
+    url: r.url,
+    urlParameters: (r.parameters ?? []).map((p: any) => ({
+      enabled: !p.disabled,
+      name: p.name ?? '',
+      value: p.value ?? '',
+    })),
     body,
     bodyType,
     method: r.method,
@@ -163,7 +162,7 @@ function importGrpcRequest(
     sortPriority: sortKey,
     name: r.name,
     description: r.description || undefined,
-    url: convertSyntax(r.url),
+    url: r.url,
     service,
     method,
     message: r.body?.text ?? '',
@@ -197,7 +196,7 @@ function importWebsocketRequest(
     sortPriority: sortKey,
     name: r.name,
     description: r.description || undefined,
-    url: convertSyntax(r.url),
+    url: r.url,
     message: r.body?.text ?? '',
     ...importHeaders(r),
     ...importAuthentication(r),
@@ -221,13 +220,13 @@ function importAuthentication(obj: any) {
   if (obj.authentication?.type === 'bearer') {
     authenticationType = 'bearer';
     authentication = {
-      token: convertSyntax(obj.authentication.token),
+      token: obj.authentication.token,
     };
   } else if (obj.authentication?.type === 'basic') {
     authenticationType = 'basic';
     authentication = {
-      username: convertSyntax(obj.authentication.username),
-      password: convertSyntax(obj.authentication.password),
+      username: obj.authentication.username,
+      password: obj.authentication.password,
     };
   }
 
diff --git a/plugins/importer-insomnia/tests/fixtures/version-5.input.yaml b/plugins/importer-insomnia/tests/fixtures/version-5.input.yaml
index 6bbd81f4..a55abd67 100644
--- a/plugins/importer-insomnia/tests/fixtures/version-5.input.yaml
+++ b/plugins/importer-insomnia/tests/fixtures/version-5.input.yaml
@@ -46,6 +46,10 @@ collection:
             name: X-Header
             value: xxxx
             disabled: false
+          - id: pair_ab4b870278e943cba6babf5a73e213e3
+            name: "{{ _.ApiHeaderName }}"
+            value: "{{ _.ApiKey }}"
+            disabled: false
         authentication:
           type: basic
           useISO88591: false
diff --git a/plugins/importer-insomnia/tests/fixtures/version-5.output.json b/plugins/importer-insomnia/tests/fixtures/version-5.output.json
index 0c577ca4..e61f3424 100644
--- a/plugins/importer-insomnia/tests/fixtures/version-5.output.json
+++ b/plugins/importer-insomnia/tests/fixtures/version-5.output.json
@@ -127,6 +127,11 @@
             "enabled": true,
             "name": "X-Header",
             "value": "xxxx"
+          },
+          {
+            "enabled": true,
+            "name": "${[ApiHeaderName ]}",
+            "value": "${[ApiKey ]}"
           }
         ],
         "id": "GENERATE_ID::req_d72fff2a6b104b91a2ebe9de9edd2785",