diff --git a/packages/types/src/provider-settings.ts b/packages/types/src/provider-settings.ts
index d713a47d6b4..19e7e3644e9 100644
--- a/packages/types/src/provider-settings.ts
+++ b/packages/types/src/provider-settings.ts
@@ -391,7 +391,7 @@ const sambaNovaSchema = apiModelIdProviderModelSchema.extend({
 	sambaNovaApiKey: z.string().optional(),
 })
 
-export const zaiApiLineSchema = z.enum(["international_coding", "china_coding"])
+export const zaiApiLineSchema = z.enum(["international_coding", "china_coding", "international_api", "china_api"])
 
 export type ZaiApiLine = z.infer<typeof zaiApiLineSchema>
 
diff --git a/packages/types/src/providers/zai.ts b/packages/types/src/providers/zai.ts
index e21fcc698bf..3eae002f17d 100644
--- a/packages/types/src/providers/zai.ts
+++ b/packages/types/src/providers/zai.ts
@@ -212,13 +212,23 @@ export const ZAI_DEFAULT_TEMPERATURE = 0.6
 
 export const zaiApiLineConfigs = {
 	international_coding: {
-		name: "International",
+		name: "International Coding",
 		baseUrl: "https://api.z.ai/api/coding/paas/v4",
 		isChina: false,
 	},
 	china_coding: {
-		name: "China",
+		name: "China Coding",
 		baseUrl: "https://open.bigmodel.cn/api/coding/paas/v4",
 		isChina: true,
 	},
+	international_api: {
+		name: "International API",
+		baseUrl: "https://api.z.ai/api/paas/v4",
+		isChina: false,
+	},
+	china_api: {
+		name: "China API",
+		baseUrl: "https://open.bigmodel.cn/api/paas/v4",
+		isChina: true,
+	},
 } satisfies Record<ZaiApiLine, { name: string; baseUrl: string; isChina: boolean }>
diff --git a/src/api/providers/__tests__/zai.spec.ts b/src/api/providers/__tests__/zai.spec.ts
index 083fdc13ef8..516685c3ab0 100644
--- a/src/api/providers/__tests__/zai.spec.ts
+++ b/src/api/providers/__tests__/zai.spec.ts
@@ -166,6 +166,84 @@ describe("ZAiHandler", () => {
 		})
 	})
 
+	describe("International API", () => {
+		beforeEach(() => {
+			handler = new ZAiHandler({ zaiApiKey: "test-zai-api-key", zaiApiLine: "international_api" })
+		})
+
+		it("should use the correct international API base URL", () => {
+			new ZAiHandler({ zaiApiKey: "test-zai-api-key", zaiApiLine: "international_api" })
+			expect(OpenAI).toHaveBeenCalledWith(
+				expect.objectContaining({
+					baseURL: "https://api.z.ai/api/paas/v4",
+				}),
+			)
+		})
+
+		it("should use the provided API key for international API", () => {
+			const zaiApiKey = "test-zai-api-key"
+			new ZAiHandler({ zaiApiKey, zaiApiLine: "international_api" })
+			expect(OpenAI).toHaveBeenCalledWith(expect.objectContaining({ apiKey: zaiApiKey }))
+		})
+
+		it("should return international default model when no model is specified", () => {
+			const model = handler.getModel()
+			expect(model.id).toBe(internationalZAiDefaultModelId)
+			expect(model.info).toEqual(internationalZAiModels[internationalZAiDefaultModelId])
+		})
+
+		it("should return specified international model when valid model is provided", () => {
+			const testModelId: InternationalZAiModelId = "glm-4.5-air"
+			const handlerWithModel = new ZAiHandler({
+				apiModelId: testModelId,
+				zaiApiKey: "test-zai-api-key",
+				zaiApiLine: "international_api",
+			})
+			const model = handlerWithModel.getModel()
+			expect(model.id).toBe(testModelId)
+			expect(model.info).toEqual(internationalZAiModels[testModelId])
+		})
+	})
+
+	describe("China API", () => {
+		beforeEach(() => {
+			handler = new ZAiHandler({ zaiApiKey: "test-zai-api-key", zaiApiLine: "china_api" })
+		})
+
+		it("should use the correct China API base URL", () => {
+			new ZAiHandler({ zaiApiKey: "test-zai-api-key", zaiApiLine: "china_api" })
+			expect(OpenAI).toHaveBeenCalledWith(
+				expect.objectContaining({
+					baseURL: "https://open.bigmodel.cn/api/paas/v4",
+				}),
+			)
+		})
+
+		it("should use the provided API key for China API", () => {
+			const zaiApiKey = "test-zai-api-key"
+			new ZAiHandler({ zaiApiKey, zaiApiLine: "china_api" })
+			expect(OpenAI).toHaveBeenCalledWith(expect.objectContaining({ apiKey: zaiApiKey }))
+		})
+
+		it("should return China default model when no model is specified", () => {
+			const model = handler.getModel()
+			expect(model.id).toBe(mainlandZAiDefaultModelId)
+			expect(model.info).toEqual(mainlandZAiModels[mainlandZAiDefaultModelId])
+		})
+
+		it("should return specified China model when valid model is provided", () => {
+			const testModelId: MainlandZAiModelId = "glm-4.5-air"
+			const handlerWithModel = new ZAiHandler({
+				apiModelId: testModelId,
+				zaiApiKey: "test-zai-api-key",
+				zaiApiLine: "china_api",
+			})
+			const model = handlerWithModel.getModel()
+			expect(model.id).toBe(testModelId)
+			expect(model.info).toEqual(mainlandZAiModels[testModelId])
+		})
+	})
+
 	describe("Default behavior", () => {
 		it("should default to international when no zaiApiLine is specified", () => {
 			const handlerDefault = new ZAiHandler({ zaiApiKey: "test-zai-api-key" })