diff --git a/src/commands/aicommits.ts b/src/commands/aicommits.ts
index 2c6cb2ba..0f12c58f 100644
--- a/src/commands/aicommits.ts
+++ b/src/commands/aicommits.ts
@@ -63,6 +63,7 @@ export default async (
 			config['max-length'],
 			config.type,
 			config.timeout,
+			config.hostname,
 			config.proxy,
 		);
 	} finally {
diff --git a/src/commands/prepare-commit-msg-hook.ts b/src/commands/prepare-commit-msg-hook.ts
index b8ec3e25..f450475d 100644
--- a/src/commands/prepare-commit-msg-hook.ts
+++ b/src/commands/prepare-commit-msg-hook.ts
@@ -48,6 +48,7 @@ export default () => (async () => {
 			config['max-length'],
 			config.type,
 			config.timeout,
+			config.hostname,
 			config.proxy,
 		);
 	} finally {
diff --git a/src/utils/config.ts b/src/utils/config.ts
index 47429e5d..b2e74f79 100644
--- a/src/utils/config.ts
+++ b/src/utils/config.ts
@@ -104,6 +104,16 @@ const configParsers = {
 
 		return parsed;
 	},
+	hostname(hostname?: string) {
+		if (!hostname) {
+			return 'api.openai.com';
+		}
+
+		parseAssert('hostname', /^(?:[a-zA-Z\d](?:[a-zA-Z\d-]{0,61}[a-zA-Z\d])?\.)+[a-zA-Z]{2,}$/.test(hostname)
+        || /^(?:\d{1,3}\.){3}\d{1,3}$/.test(hostname), 'Must be an hostname');
+
+		return hostname;
+	},
 } as const;
 
 type ConfigKeys = keyof typeof configParsers;
diff --git a/src/utils/openai.ts b/src/utils/openai.ts
index 9dd31514..06d65f24 100644
--- a/src/utils/openai.ts
+++ b/src/utils/openai.ts
@@ -67,10 +67,11 @@ const createChatCompletion = async (
 	apiKey: string,
 	json: CreateChatCompletionRequest,
 	timeout: number,
+	hostname: string,
 	proxy?: string,
 ) => {
 	const { response, data } = await httpsPost(
-		'api.openai.com',
+		hostname,
 		'/v1/chat/completions',
 		{
 			Authorization: `Bearer ${apiKey}`,
@@ -131,6 +132,7 @@ export const generateCommitMessage = async (
 	maxLength: number,
 	type: CommitType,
 	timeout: number,
+	hostname: string,
 	proxy?: string,
 ) => {
 	try {
@@ -157,6 +159,7 @@ export const generateCommitMessage = async (
 				n: completions,
 			},
 			timeout,
+			hostname,
 			proxy,
 		);
 
diff --git a/tests/specs/config.ts b/tests/specs/config.ts
index 43f566c3..ba4f7b88 100644
--- a/tests/specs/config.ts
+++ b/tests/specs/config.ts
@@ -101,6 +101,36 @@ export default testSuite(({ describe }) => {
 			});
 		});
 
+		await describe('hostname', ({ test }) => {
+			test('must be an hostname', async () => {
+				const { stderr } = await aicommits(['config', 'set', 'hostname=https://api.openai.com'], {
+					reject: false,
+				});
+
+				expect(stderr).toMatch('Must be an hostname');
+			});
+
+			test('updates config', async () => {
+				let hostname = 'hostname=api.chatanywhere.com.cn';
+				await aicommits(['config', 'set', hostname]);
+
+				let configFile = await fs.readFile(configPath, 'utf8');
+				expect(configFile).toMatch(hostname);
+
+				let get = await aicommits(['config', 'get', 'hostname']);
+				expect(get.stdout).toBe(hostname);
+
+				hostname = 'hostname=127.0.0.1';
+				await aicommits(['config', 'set', hostname]);
+
+				configFile = await fs.readFile(configPath, 'utf8');
+				expect(configFile).toMatch(hostname);
+
+				get = await aicommits(['config', 'get', 'hostname']);
+				expect(get.stdout).toBe(hostname);
+			});
+		});
+
 		await test('set config file', async () => {
 			await aicommits(['config', 'set', openAiToken]);
 
diff --git a/tests/specs/openai/conventional-commits.ts b/tests/specs/openai/conventional-commits.ts
index b89255eb..e2f58f30 100644
--- a/tests/specs/openai/conventional-commits.ts
+++ b/tests/specs/openai/conventional-commits.ts
@@ -137,7 +137,7 @@ export default testSuite(({ describe }) => {
 				'max-length': 50,
 				...configOverrides,
 			} as ValidConfig;
-			const commitMessages = await generateCommitMessage(OPENAI_KEY!, 'gpt-3.5-turbo', config.locale, gitDiff, config.generate, config['max-length'], config.type, 7000);
+			const commitMessages = await generateCommitMessage(OPENAI_KEY!, 'gpt-3.5-turbo', config.locale, gitDiff, config.generate, config['max-length'], config.type, 7000, config.hostname);
 
 			return commitMessages[0];
 		}