diff --git a/servicetalk-http-api/src/main/java/io/servicetalk/http/api/FormUrlEncodedSerializer.java b/servicetalk-http-api/src/main/java/io/servicetalk/http/api/FormUrlEncodedSerializer.java
index c9d6820468..c3292e3f4b 100644
--- a/servicetalk-http-api/src/main/java/io/servicetalk/http/api/FormUrlEncodedSerializer.java
+++ b/servicetalk-http-api/src/main/java/io/servicetalk/http/api/FormUrlEncodedSerializer.java
@@ -36,7 +36,10 @@
 import static io.servicetalk.utils.internal.CharsetUtils.standardCharsets;
 import static java.util.Collections.emptyMap;
 
-final class FormUrlEncodedSerializer implements SerializerDeserializer<Map<String, List<String>>> {
+/**
+ * Serialize/deserialize key-values {@link Map}s to/from urlencoded forms.
+ */
+public final class FormUrlEncodedSerializer implements SerializerDeserializer<Map<String, List<String>>> {
     private static final Map<Charset, byte[]> CONTINUATIONS_SEPARATORS;
     private static final Map<Charset, byte[]> KEYVALUE_SEPARATORS;
     static {
@@ -62,7 +65,7 @@ final class FormUrlEncodedSerializer implements SerializerDeserializer<Map<Strin
     private final byte[] continuationSeparator;
     private final byte[] keyValueSeparator;
 
-    FormUrlEncodedSerializer(final Charset charset) {
+    private FormUrlEncodedSerializer(final Charset charset) {
         this.charset = charset;
         byte[] continuationSeparator = CONTINUATIONS_SEPARATORS.get(charset);
         if (continuationSeparator == null) {
@@ -74,6 +77,16 @@ final class FormUrlEncodedSerializer implements SerializerDeserializer<Map<Strin
         }
     }
 
+    /**
+     * Create a new instance.
+     *
+     * @param charset The charset used for encoding.
+     * @return A serializer that uses {@code charset} for encoding.
+     */
+    public static SerializerDeserializer<Map<String, List<String>>> formUrlEncodedSerializer(final Charset charset) {
+        return new FormUrlEncodedSerializer(charset);
+    }
+
     @Override
     public Map<String, List<String>> deserialize(final Buffer serializedData, final BufferAllocator allocator) {
         return deserialize(serializedData, charset);
diff --git a/servicetalk-http-api/src/main/java/io/servicetalk/http/api/HttpSerializers.java b/servicetalk-http-api/src/main/java/io/servicetalk/http/api/HttpSerializers.java
index 916553f54a..f2e0c2f855 100644
--- a/servicetalk-http-api/src/main/java/io/servicetalk/http/api/HttpSerializers.java
+++ b/servicetalk-http-api/src/main/java/io/servicetalk/http/api/HttpSerializers.java
@@ -62,7 +62,7 @@ public final class HttpSerializers {
             newAsciiString(APPLICATION_TEXT_VARINT + "; charset=US-ASCII");
 
     private static final HttpSerializerDeserializer<Map<String, List<String>>> FORM_ENCODED_UTF_8 =
-            new DefaultHttpSerializerDeserializer<>(new FormUrlEncodedSerializer(UTF_8),
+            new DefaultHttpSerializerDeserializer<>(FormUrlEncodedSerializer.formUrlEncodedSerializer(UTF_8),
                     headers -> headers.set(CONTENT_TYPE, APPLICATION_X_WWW_FORM_URLENCODED_UTF_8)
                                       .set(ACCEPT, APPLICATION_X_WWW_FORM_URLENCODED),
                     headers -> hasContentType(headers, APPLICATION_X_WWW_FORM_URLENCODED, UTF_8));
@@ -130,7 +130,7 @@ public static HttpSerializerDeserializer<Map<String, List<String>>> formUrlEncod
         }
         final CharSequence contentType = newAsciiString(APPLICATION_X_WWW_FORM_URLENCODED + "; charset=" +
                 charset.name());
-        return new DefaultHttpSerializerDeserializer<>(new FormUrlEncodedSerializer(charset),
+        return new DefaultHttpSerializerDeserializer<>(FormUrlEncodedSerializer.formUrlEncodedSerializer(charset),
                 headers -> headers.set(CONTENT_TYPE, contentType)
                                   .set(ACCEPT, APPLICATION_X_WWW_FORM_URLENCODED),
                 headers -> hasContentType(headers, APPLICATION_X_WWW_FORM_URLENCODED, charset));