diff --git a/backend/src/services/app-connection/github/github-connection-fns.ts b/backend/src/services/app-connection/github/github-connection-fns.ts
index 57d01be29..4e36d85a4 100644
--- a/backend/src/services/app-connection/github/github-connection-fns.ts
+++ b/backend/src/services/app-connection/github/github-connection-fns.ts
@@ -12,7 +12,6 @@ import { GatewayProxyProtocol, withGatewayProxy } from "@app/lib/gateway";
 import { logger } from "@app/lib/logger";
 import { blockLocalAndPrivateIpAddresses } from "@app/lib/validator";
 import { getAppConnectionMethodName } from "@app/services/app-connection/app-connection-fns";
-import { IntegrationUrls } from "@app/services/integration-auth/integration-list";
 
 import { AppConnection } from "../app-connection-enums";
 import { GitHubConnectionMethod } from "./github-connection-enums";
@@ -30,6 +29,23 @@ export const getGitHubConnectionListItem = () => {
   };
 };
 
+export const getGitHubInstanceApiUrl = async (config: {
+  credentials: Pick<TGitHubConnectionConfig["credentials"], "host" | "instanceType">;
+}) => {
+  const host = config.credentials.host || "github.com";
+
+  await blockLocalAndPrivateIpAddresses(host);
+
+  let apiBase: string;
+  if (config.credentials.instanceType === "server") {
+    apiBase = `${host}/api/v3`;
+  } else {
+    apiBase = `api.${host}`;
+  }
+
+  return apiBase;
+};
+
 export const requestWithGitHubGateway = async <T>(
   appConnection: { gatewayId?: string | null },
   gatewayService: Pick<TGatewayServiceFactory, "fnGetGatewayClientTlsByGatewayId">,
@@ -141,7 +157,7 @@ export const makePaginatedGitHubRequest = async <T, R = T[]>(
 
   const token =
     method === GitHubConnectionMethod.OAuth ? credentials.accessToken : await getGitHubAppAuthToken(appConnection);
-  let url: string | null = `https://api.${credentials.host || "github.com"}${path}`;
+  let url: string | null = `https://${await getGitHubInstanceApiUrl(appConnection)}${path}`;
   let results: T[] = [];
   let i = 0;
 
@@ -355,7 +371,7 @@ export const validateGitHubConnectionCredentials = async (
         };
       }[];
     }>(config, gatewayService, {
-      url: IntegrationUrls.GITHUB_USER_INSTALLATIONS.replace("api.github.com", `api.${host}`),
+      url: `https://${await getGitHubInstanceApiUrl(config)}/user/installations`,
       headers: {
         Accept: "application/json",
         Authorization: `Bearer ${tokenResp.data.access_token}`,
diff --git a/backend/src/services/app-connection/github/github-connection-schemas.ts b/backend/src/services/app-connection/github/github-connection-schemas.ts
index bf92ec155..2a39208c3 100644
--- a/backend/src/services/app-connection/github/github-connection-schemas.ts
+++ b/backend/src/services/app-connection/github/github-connection-schemas.ts
@@ -10,26 +10,59 @@ import {
 
 import { GitHubConnectionMethod } from "./github-connection-enums";
 
-export const GitHubConnectionOAuthInputCredentialsSchema = z.object({
-  code: z.string().trim().min(1, "OAuth code required"),
-  host: z.string().trim().optional()
-});
+export const GitHubConnectionOAuthInputCredentialsSchema = z.union([
+  z.object({
+    code: z.string().trim().min(1, "OAuth code required"),
+    instanceType: z.literal("server"),
+    host: z.string().trim().min(1, "Host is required for server instance type")
+  }),
+  z.object({
+    code: z.string().trim().min(1, "OAuth code required"),
+    instanceType: z.literal("cloud").optional(),
+    host: z.string().trim().optional()
+  })
+]);
 
-export const GitHubConnectionAppInputCredentialsSchema = z.object({
-  code: z.string().trim().min(1, "GitHub App code required"),
-  installationId: z.string().min(1, "GitHub App Installation ID required"),
-  host: z.string().trim().optional()
-});
+export const GitHubConnectionAppInputCredentialsSchema = z.union([
+  z.object({
+    code: z.string().trim().min(1, "GitHub App code required"),
+    installationId: z.string().min(1, "GitHub App Installation ID required"),
+    instanceType: z.literal("server"),
+    host: z.string().trim().min(1, "Host is required for server instance type")
+  }),
+  z.object({
+    code: z.string().trim().min(1, "GitHub App code required"),
+    installationId: z.string().min(1, "GitHub App Installation ID required"),
+    instanceType: z.literal("cloud").optional(),
+    host: z.string().trim().optional()
+  })
+]);
 
-export const GitHubConnectionOAuthOutputCredentialsSchema = z.object({
-  accessToken: z.string(),
-  host: z.string().trim().optional()
-});
+export const GitHubConnectionOAuthOutputCredentialsSchema = z.union([
+  z.object({
+    accessToken: z.string(),
+    instanceType: z.literal("server"),
+    host: z.string().trim().min(1)
+  }),
+  z.object({
+    accessToken: z.string(),
+    instanceType: z.literal("cloud").optional(),
+    host: z.string().trim().optional()
+  })
+]);
 
-export const GitHubConnectionAppOutputCredentialsSchema = z.object({
-  installationId: z.string(),
-  host: z.string().trim().optional()
-});
+export const GitHubConnectionAppOutputCredentialsSchema = z.union([
+  z.object({
+    installationId: z.string(),
+    instanceType: z.literal("server"),
+    host: z.string().trim().min(1)
+  }),
+  z.object({
+    installationId: z.string(),
+    instanceType: z.literal("cloud").optional(),
+    host: z.string().trim().optional()
+  })
+]);
 
 export const ValidateGitHubConnectionCredentialsSchema = z.discriminatedUnion("method", [
   z.object({
@@ -84,11 +117,17 @@ export const GitHubConnectionSchema = z.intersection(
 export const SanitizedGitHubConnectionSchema = z.discriminatedUnion("method", [
   BaseGitHubConnectionSchema.extend({
     method: z.literal(GitHubConnectionMethod.App),
-    credentials: GitHubConnectionAppOutputCredentialsSchema.pick({})
+    credentials: z.object({
+      instanceType: z.string().optional(),
+      host: z.string().optional()
+    })
   }),
   BaseGitHubConnectionSchema.extend({
     method: z.literal(GitHubConnectionMethod.OAuth),
-    credentials: GitHubConnectionOAuthOutputCredentialsSchema.pick({})
+    credentials: z.object({
+      instanceType: z.string().optional(),
+      host: z.string().optional()
+    })
   })
 ]);
 
diff --git a/backend/src/services/secret-sync/github/github-sync-fns.ts b/backend/src/services/secret-sync/github/github-sync-fns.ts
index b37d5e90e..e2cf8f6e8 100644
--- a/backend/src/services/secret-sync/github/github-sync-fns.ts
+++ b/backend/src/services/secret-sync/github/github-sync-fns.ts
@@ -3,6 +3,7 @@ import sodium from "libsodium-wrappers";
 import { TGatewayServiceFactory } from "@app/ee/services/gateway/gateway-service";
 import {
   getGitHubAppAuthToken,
+  getGitHubInstanceApiUrl,
   GitHubConnectionMethod,
   makePaginatedGitHubRequest,
   requestWithGitHubGateway
@@ -73,7 +74,7 @@ const getPublicKey = async (
   }
 
   const response = await requestWithGitHubGateway<TGitHubPublicKey>(connection, gatewayService, {
-    url: `https://api.${connection.credentials.host || "github.com"}${path}`,
+    url: `https://${await getGitHubInstanceApiUrl(connection)}${path}`,
     method: "GET",
     headers: {
       Accept: "application/vnd.github+json",
@@ -111,7 +112,7 @@ const deleteSecret = async (
   }
 
   await requestWithGitHubGateway(connection, gatewayService, {
-    url: `https://api.${connection.credentials.host || "github.com"}${path}`,
+    url: `https://${await getGitHubInstanceApiUrl(connection)}${path}`,
     method: "DELETE",
     headers: {
       Accept: "application/vnd.github+json",
@@ -157,7 +158,7 @@ const putSecret = async (
   }
 
   await requestWithGitHubGateway(connection, gatewayService, {
-    url: `https://api.${connection.credentials.host || "github.com"}${path}`,
+    url: `https://${await getGitHubInstanceApiUrl(connection)}${path}`,
     method: "PUT",
     headers: {
       Accept: "application/vnd.github+json",
diff --git a/frontend/src/hooks/api/appConnections/types/github-connection.ts b/frontend/src/hooks/api/appConnections/types/github-connection.ts
index a8b734aa9..27bed2dcb 100644
--- a/frontend/src/hooks/api/appConnections/types/github-connection.ts
+++ b/frontend/src/hooks/api/appConnections/types/github-connection.ts
@@ -11,6 +11,7 @@ export type TGitHubConnection = TRootAppConnection & { app: AppConnection.GitHub
         method: GitHubConnectionMethod.OAuth;
         credentials: {
           code: string;
+          instanceType?: "cloud" | "server";
           host?: string;
         };
       }
@@ -19,6 +20,7 @@ export type TGitHubConnection = TRootAppConnection & { app: AppConnection.GitHub
         credentials: {
           code: string;
           installationId: string;
+          instanceType?: "cloud" | "server";
           host?: string;
         };
       }
diff --git a/frontend/src/pages/organization/AppConnections/AppConnectionsPage/components/AppConnectionForm/GitHubConnectionForm.tsx b/frontend/src/pages/organization/AppConnections/AppConnectionsPage/components/AppConnectionForm/GitHubConnectionForm.tsx
index eb93993af..d80bb23fe 100644
--- a/frontend/src/pages/organization/AppConnections/AppConnectionsPage/components/AppConnectionForm/GitHubConnectionForm.tsx
+++ b/frontend/src/pages/organization/AppConnections/AppConnectionsPage/components/AppConnectionForm/GitHubConnectionForm.tsx
@@ -48,9 +48,16 @@ const formSchema = genericAppConnectionFieldsSchema.extend({
   app: z.literal(AppConnection.GitHub),
   method: z.nativeEnum(GitHubConnectionMethod),
   credentials: z
-    .object({
-      host: z.string().optional()
-    })
+    .union([
+      z.object({
+        instanceType: z.literal("cloud").optional(),
+        host: z.string().optional()
+      }),
+      z.object({
+        instanceType: z.literal("server"),
+        host: z.string().min(1, "Required")
+      })
+    ])
     .optional()
 });
 
@@ -70,7 +77,10 @@ export const GitHubConnectionForm = ({ appConnection }: Props) => {
     defaultValues: appConnection ?? {
       app: AppConnection.GitHub,
       method: GitHubConnectionMethod.App,
-      gatewayId: null
+      gatewayId: null,
+      credentials: {
+        instanceType: "cloud"
+      }
     }
   });
 
@@ -78,6 +88,7 @@ export const GitHubConnectionForm = ({ appConnection }: Props) => {
     handleSubmit,
     control,
     watch,
+    setValue,
     formState: { isSubmitting, isDirty }
   } = form;
 
@@ -85,6 +96,7 @@ export const GitHubConnectionForm = ({ appConnection }: Props) => {
   const { data: gateways, isPending: isGatewaysLoading } = useQuery(gatewaysQueryKeys.list());
 
   const selectedMethod = watch("method");
+  const instanceType = watch("credentials.instanceType");
 
   const onSubmit = (formData: FormData) => {
     setIsRedirecting(true);
@@ -103,7 +115,7 @@ export const GitHubConnectionForm = ({ appConnection }: Props) => {
     switch (formData.method) {
       case GitHubConnectionMethod.App:
         window.location.assign(
-          `${githubHost}/apps/${appClientSlug}/installations/new?state=${state}`
+          `${githubHost}/${formData.credentials?.instanceType === "server" ? "github-apps" : "apps"}/${appClientSlug}/installations/new?state=${state}`
         );
         break;
       case GitHubConnectionMethod.OAuth:
@@ -175,13 +187,54 @@ export const GitHubConnectionForm = ({ appConnection }: Props) => {
             </FormControl>
           )}
         />
-        {subscription.gateway && (
-          <Accordion type="single" collapsible className="w-full">
-            <AccordionItem value="enterprise-options" className="data-[state=open]:border-none">
-              <AccordionTrigger className="h-fit flex-none pl-1 text-sm">
-                <div className="order-1 ml-3">GitHub Enterprise Options</div>
-              </AccordionTrigger>
-              <AccordionContent childrenClassName="px-0">
+        <Accordion type="single" collapsible className="w-full">
+          <AccordionItem value="enterprise-options" className="data-[state=open]:border-none">
+            <AccordionTrigger className="h-fit flex-none pl-1 text-sm">
+              <div className="order-1 ml-3">GitHub Enterprise Options</div>
+            </AccordionTrigger>
+            <AccordionContent childrenClassName="px-0">
+              <Controller
+                name="credentials.instanceType"
+                control={control}
+                render={({ field }) => (
+                  <FormControl label="Instance Type">
+                    <Select
+                      value={field.value}
+                      onValueChange={(e) => {
+                        field.onChange(e);
+                        if (e === "cloud") {
+                          setValue("gatewayId", null);
+                        }
+                      }}
+                      className="w-full border border-mineshaft-500"
+                      dropdownContainerClassName="max-w-none"
+                      placeholder="Enterprise Cloud"
+                      position="popper"
+                    >
+                      <SelectItem value="cloud">Enterprise Cloud</SelectItem>
+                      <SelectItem value="server">Enterprise Server</SelectItem>
+                    </Select>
+                  </FormControl>
+                )}
+              />
+
+              <Controller
+                name="credentials.host"
+                control={control}
+                shouldUnregister
+                render={({ field, fieldState: { error } }) => (
+                  <FormControl
+                    errorText={error?.message}
+                    isError={Boolean(error?.message)}
+                    label="Instance Hostname"
+                    isOptional={instanceType === "cloud"}
+                    isRequired={instanceType === "server"}
+                  >
+                    <Input {...field} placeholder="github.com" />
+                  </FormControl>
+                )}
+              />
+              {subscription.gateway && instanceType === "server" && (
                 <OrgPermissionCan
                   I={OrgGatewayPermissionActions.AttachGateways}
                   a={OrgPermissionSubjects.Gateway}
@@ -190,7 +243,6 @@ export const GitHubConnectionForm = ({ appConnection }: Props) => {
                     <Controller
                       control={control}
                       name="gatewayId"
-                      defaultValue=""
                       render={({ field: { value, onChange }, fieldState: { error } }) => (
                         <FormControl
                           isError={Boolean(error?.message)}
@@ -231,25 +283,10 @@ export const GitHubConnectionForm = ({ appConnection }: Props) => {
                     />
                   )}
                 </OrgPermissionCan>
-                <Controller
-                  name="credentials.host"
-                  control={control}
-                  shouldUnregister
-                  render={({ field, fieldState: { error } }) => (
-                    <FormControl
-                      errorText={error?.message}
-                      isError={Boolean(error?.message)}
-                      label="Hostname"
-                      isOptional
-                    >
-                      <Input {...field} placeholder="github.com" />
-                    </FormControl>
-                  )}
-                />
-              </AccordionContent>
-            </AccordionItem>
-          </Accordion>
-        )}
+              )}
+            </AccordionContent>
+          </AccordionItem>
+        </Accordion>
         <div className="mt-8 flex items-center">
           <Button
             className="mr-4"
diff --git a/frontend/src/pages/organization/AppConnections/OauthCallbackPage/OauthCallbackPage.tsx b/frontend/src/pages/organization/AppConnections/OauthCallbackPage/OauthCallbackPage.tsx
index a7ddff945..06de07e76 100644
--- a/frontend/src/pages/organization/AppConnections/OauthCallbackPage/OauthCallbackPage.tsx
+++ b/frontend/src/pages/organization/AppConnections/OauthCallbackPage/OauthCallbackPage.tsx
@@ -408,6 +408,7 @@ export const OAuthCallbackPage = () => {
                 credentials: {
                   code: code as string,
                   installationId: installationId as string,
+                  ...(credentials?.instanceType && { instanceType: credentials.instanceType }),
                   ...(credentials?.host && { host: credentials.host })
                 },
                 gatewayId
@@ -416,6 +417,7 @@ export const OAuthCallbackPage = () => {
                 connectionId,
                 credentials: {
                   code: code as string,
+                  ...(credentials?.instanceType && { instanceType: credentials.instanceType }),
                   ...(credentials?.host && { host: credentials.host })
                 },
                 gatewayId
@@ -431,6 +433,7 @@ export const OAuthCallbackPage = () => {
                 method: GitHubConnectionMethod.App,
                 credentials: {
                   code: code as string,
+                  ...(credentials?.instanceType && { instanceType: credentials.instanceType }),
                   installationId: installationId as string,
                   ...(credentials?.host && { host: credentials.host })
                 },
@@ -440,6 +443,7 @@ export const OAuthCallbackPage = () => {
                 method: GitHubConnectionMethod.OAuth,
                 credentials: {
                   code: code as string,
+                  ...(credentials?.instanceType && { instanceType: credentials.instanceType }),
                   ...(credentials?.host && { host: credentials.host })
                 },
                 gatewayId