diff --git a/README.md b/README.md
index 9ec1e79db..f0aa51e08 100644
--- a/README.md
+++ b/README.md
@@ -123,7 +123,7 @@ To provide a default connection such that initial loads of the graph explorer al
     - `GRAPH_CONNECTION_URL` - `None` - See [Add a New Connection](#connections-ui)
   - Required if `USING_PROXY_SERVER=True` and `IAM=True`
     - `AWS_REGION` - `None` - See [Add a New Connection](#connections-ui)
-    - `SERVICE_TYPE` - `Neptune-db`
+    - `SERVICE_TYPE` - `neptune-db`
 
 #### JSON Configuration Approach
 
@@ -135,7 +135,7 @@ First, create a `config.json` file containing values for the connection attribut
      "GRAPH_CONNECTION_URL": "https://cluster-cqmizgqgrsbf.us-west-2.neptune.amazonaws.com:8182",
      "USING_PROXY_SERVER": true, (Can be string or boolean)
      "IAM": true, (Can be string or boolean)
-     "SERVICE_TYPE": "Neptune-db",
+     "SERVICE_TYPE": "neptune-db",
      "AWS_REGION": "us-west-2",
      "GRAPH_TYPE": "gremlin" (Possible Values: "gremlin", "sparql", "opencypher"),
      "GRAPH_EXP_HTTPS_CONNECTION": true (Can be string or boolean),
@@ -163,7 +163,7 @@ docker run -p 80:80 -p 443:443 \
  --env IAM=false \
  --env GRAPH_CONNECTION_URL=https://cluster-cqmizgqgrsbf.us-west-2.neptune.amazonaws.com:8182 \
  --env AWS_REGION=us-west-2 \
- --env SERVICE_TYPE=Neptune-db \
+ --env SERVICE_TYPE=neptune-db \
  --env PROXY_SERVER_HTTPS_CONNECTION=true \
  --env GRAPH_EXP_FETCH_REQUEST_TIMEOUT=9000 \
  graph-explorer
diff --git a/packages/graph-explorer-proxy-server/node-server.js b/packages/graph-explorer-proxy-server/node-server.js
index 4f22e82bc..2ca5fffad 100644
--- a/packages/graph-explorer-proxy-server/node-server.js
+++ b/packages/graph-explorer-proxy-server/node-server.js
@@ -10,7 +10,6 @@ const path = require("path");
 const pino = require("pino");
 const { fromNodeProviderChain } = require("@aws-sdk/credential-providers");
 const aws4 = require("aws4");
-const serviceType = process.env.SERVICE_TYPE || "neptune-db";
 
 dotenv.config({ path: "../graph-explorer/.env" });
 
@@ -88,13 +87,16 @@ const errorHandler = (error, request, response, next) => {
   ) => {
     // remove the existing host headers, we want ensure that we are passing the DB endpoint hostname.
     delete headers["host"];
-    if (headers["aws-neptune-region"]) {
+    const serviceType = headers["service-type"];
+    const AWSRegion = headers["aws-neptune-region"];
+
+    if (AWSRegion && serviceType) {
       data = await getIAMHeaders({
         host: url.hostname,
         port: url.port,
         path: url.pathname + url.search,
         service: serviceType,
-        region: headers["aws-neptune-region"],
+        region: AWSRegion,
       });
       headers = { ...headers, ...data };
     }
diff --git a/packages/graph-explorer/src/connector/AbstractConnector.ts b/packages/graph-explorer/src/connector/AbstractConnector.ts
index b0e0ba01e..528684b55 100644
--- a/packages/graph-explorer/src/connector/AbstractConnector.ts
+++ b/packages/graph-explorer/src/connector/AbstractConnector.ts
@@ -307,6 +307,9 @@ export abstract class AbstractConnector {
     if (this._connection?.awsAuthEnabled) {
       headers["aws-neptune-region"] = this._connection?.awsRegion || "";
     }
+    if (this._connection?.serviceType) {
+      headers["service-type"] = this._connection?.serviceType || "";
+    }
 
     return headers;
   }
diff --git a/packages/graph-explorer/src/modules/ConnectionDetail/ConnectionDetail.tsx b/packages/graph-explorer/src/modules/ConnectionDetail/ConnectionDetail.tsx
index 7f602fe55..bd0b7ad82 100644
--- a/packages/graph-explorer/src/modules/ConnectionDetail/ConnectionDetail.tsx
+++ b/packages/graph-explorer/src/modules/ConnectionDetail/ConnectionDetail.tsx
@@ -217,6 +217,7 @@ const ConnectionDetail = ({ isSync, onSyncChange }: ConnectionDetailProps) => {
             url: config.connection?.url,
             type: config.connection?.queryEngine,
             fetchTimeMs: config.connection?.fetchTimeoutMs,
+            serviceType: config.connection?.serviceType,
           }}
         />
       </Modal>
diff --git a/packages/graph-explorer/src/modules/CreateConnection/CreateConnection.tsx b/packages/graph-explorer/src/modules/CreateConnection/CreateConnection.tsx
index 7ccffcbdf..d0284af05 100644
--- a/packages/graph-explorer/src/modules/CreateConnection/CreateConnection.tsx
+++ b/packages/graph-explorer/src/modules/CreateConnection/CreateConnection.tsx
@@ -147,7 +147,7 @@ const CreateConnection = ({
     proxyConnection: initialData?.proxyConnection || false,
     graphDbUrl: initialData?.graphDbUrl || "",
     awsAuthEnabled: initialData?.awsAuthEnabled || false,
-    serviceType: initialData?.serviceType || "neptune-db",
+    serviceType: initialData?.serviceType || "neptune-graph",
     awsRegion: initialData?.awsRegion || "",
     enableCache: true,
     cacheTimeMs: (initialData?.cacheTimeMs ?? 10 * 60 * 1000) / 60000,
@@ -177,7 +177,7 @@ const CreateConnection = ({
       return;
     }
 
-    if (form.awsAuthEnabled && !form.awsRegion) {
+    if (form.awsAuthEnabled && !form.awsRegion && !form.serviceType) {
       setError(true);
       return;
     }