diff --git a/tools/apitester/internal/vcr/interactions.go b/tools/apitester/internal/vcr/interactions.go
index 3c8a71a837b..8d27139c6c0 100644
--- a/tools/apitester/internal/vcr/interactions.go
+++ b/tools/apitester/internal/vcr/interactions.go
@@ -3,6 +3,7 @@ package vcr
 import (
 	"net/http"
 	"os"
+	"strings"
 	"testing"
 
 	"gopkg.in/dnaeon/go-vcr.v4/pkg/cassette"
@@ -34,8 +35,9 @@ func Play(t *testing.T, interaction *cassette.Interaction) *http.Response {
 	req.URL.Host = fetchAPIBaseURL()
 	req.Header.Set("User-Agent", "osv.dev/apitester")
 	req.ContentLength = -1
+	baseHost, _, _ := strings.Cut(req.URL.Host, ":")
 
-	if req.URL.Host == "localhost" || req.URL.Host == "127.0.0.1" {
+	if baseHost == "localhost" || baseHost == "127.0.0.1" {
 		req.URL.Scheme = "http"
 	}
 
diff --git a/tools/apitester/main_test.go b/tools/apitester/main_test.go
index fc87405766e..4d0e0ec2e53 100644
--- a/tools/apitester/main_test.go
+++ b/tools/apitester/main_test.go
@@ -16,34 +16,52 @@ import (
 func jsonReplaceRules(t *testing.T, resp *http.Response) []jsonreplace.Rule {
 	t.Helper()
 
-	if resp.Request.URL.Path != "/v1/query" || strings.Contains(t.Name(), "/Invalid") {
+	if strings.Contains(t.Name(), "/Invalid") {
 		return nil
 	}
-
-	return []jsonreplace.Rule{
-		{
-			Path: "vulns.#.affected.#.database_specific",
-			ReplaceFunc: func(_ gjson.Result) any {
-				return "<Any value>"
+	if resp.Request.URL.Path == "/v1/query" {
+		return []jsonreplace.Rule{
+			{
+				Path: "vulns.#.affected.#.database_specific",
+				ReplaceFunc: func(_ gjson.Result) any {
+					return "<Any value>"
+				},
 			},
-		},
-		{
-			Path: "vulns.#.database_specific",
-			ReplaceFunc: func(_ gjson.Result) any {
-				return "<Any value>"
+			{
+				Path: "vulns.#.database_specific",
+				ReplaceFunc: func(_ gjson.Result) any {
+					return "<Any value>"
+				},
 			},
-		},
-		{
-			Path: "vulns.#.affected.#.versions",
-			ReplaceFunc: func(toReplace gjson.Result) any {
-				if toReplace.IsArray() {
-					return len(toReplace.Array())
-				}
-
-				return 0
+			{
+				Path: "vulns.#.affected.#.versions",
+				ReplaceFunc: func(toReplace gjson.Result) any {
+					if toReplace.IsArray() {
+						return len(toReplace.Array())
+					}
+
+					return 0
+				},
 			},
-		},
+		}
 	}
+
+	if resp.Request.URL.Path == "/v1/querybatch" {
+		return []jsonreplace.Rule{
+			{
+				Path: "results.#.vulns.#.modified",
+				ReplaceFunc: func(toReplace gjson.Result) any {
+					if len(toReplace.String()) < 5 {
+						return toReplace.String()
+					}
+
+					return toReplace.String()[:5] + "..."
+				},
+			},
+		}
+	}
+
+	return nil
 }
 
 func normalizeJSONBody(t *testing.T, resp *http.Response) string {