diff --git a/src/test/jtx/hook.h b/src/test/jtx/hook.h
index 6bad339cc..c9713cdcf 100644
--- a/src/test/jtx/hook.h
+++ b/src/test/jtx/hook.h
@@ -37,6 +37,10 @@ hook(
 Json::Value
 hso(std::vector<uint8_t> const& wasmBytes, void (*f)(Json::Value& jv) = 0);
 
+Json::Value
+hso(std::vector<uint8_t> const& wasmBytes, uint16_t apiVersion, void (*f)(Json::Value& jv) = 0);
+
+
 Json::Value
 hso(std::string const& wasmHex, void (*f)(Json::Value& jv) = 0);
 
diff --git a/src/test/jtx/impl/hook.cpp b/src/test/jtx/impl/hook.cpp
index 08067a2a2..e5cbafc09 100644
--- a/src/test/jtx/impl/hook.cpp
+++ b/src/test/jtx/impl/hook.cpp
@@ -81,6 +81,27 @@ hso(std::vector<uint8_t> const& wasmBytes, void (*f)(Json::Value& jv))
     return jv;
 }
 
+Json::Value
+hso(std::vector<uint8_t> const& wasmBytes, uint16_t apiVersion = 0, void (*f)(Json::Value& jv))
+{
+    if (wasmBytes.size() == 0)
+        throw std::runtime_error("empty hook wasm passed to hso()");
+
+    Json::Value jv;
+    jv[jss::CreateCode] = strHex(wasmBytes);
+    {
+        jv[jss::HookOn] =
+            "0000000000000000000000000000000000000000000000000000000000000000";
+        jv[jss::HookNamespace] = to_string(uint256{beast::zero});
+        jv[jss::HookApiVersion] = Json::Value{apiVersion};
+    }
+
+    if (f)
+        f(jv);
+
+    return jv;
+}
+
 Json::Value
 hso(std::string const& wasmHex, void (*f)(Json::Value& jv))
 {