diff --git a/.changeset/refine-api-key-login-copy.md b/.changeset/refine-api-key-login-copy.md
new file mode 100644
index 000000000..9db76464a
--- /dev/null
+++ b/.changeset/refine-api-key-login-copy.md
@@ -0,0 +1,6 @@
+---
+"@moonshot-ai/kimi-code-oauth": patch
+"@moonshot-ai/kimi-code": patch
+---
+
+Clarify Kimi Platform API key login labels and prompt details.
diff --git a/apps/kimi-code/README.md b/apps/kimi-code/README.md
index 9c0bd4e27..79cd3ad91 100644
--- a/apps/kimi-code/README.md
+++ b/apps/kimi-code/README.md
@@ -55,7 +55,7 @@ cd your-project
 kimi
 ```
 
-On first launch, run `/login` inside Kimi Code CLI and choose either Kimi Code OAuth or a Moonshot AI Open Platform API key. After login, try a first task:
+On first launch, run `/login` inside Kimi Code CLI and choose either Kimi Code OAuth or a Kimi Platform API key. After login, try a first task:
 
 ```
 Take a look at this project and explain the main directories.
diff --git a/apps/kimi-code/src/tui/commands/auth.ts b/apps/kimi-code/src/tui/commands/auth.ts
index e9e8304cc..bb2622f07 100644
--- a/apps/kimi-code/src/tui/commands/auth.ts
+++ b/apps/kimi-code/src/tui/commands/auth.ts
@@ -116,7 +116,13 @@ async function handleOpenPlatformLogin(
   host: SlashCommandHost,
   platform: OpenPlatformDefinition,
 ): Promise<void> {
-  const apiKey = await promptApiKey(host, platform.name);
+  const consoleHost = platform.consoleUrl?.replace(/^https?:\/\//, '') ?? '';
+  const platformName = consoleHost.length > 0 ? `Kimi Platform (${consoleHost})` : 'Kimi Platform';
+  const subtitleLines = [
+    `${'base_url'.padEnd(12)}${platform.baseUrl}`,
+    `${'saved to'.padEnd(12)}~/.kimi-code/config.toml`,
+  ];
+  const apiKey = await promptApiKey(host, platformName, subtitleLines);
   if (apiKey === undefined) return;
 
   const controller = new AbortController();
diff --git a/apps/kimi-code/src/tui/commands/prompts.ts b/apps/kimi-code/src/tui/commands/prompts.ts
index dbc86a25a..a6b7a8c80 100644
--- a/apps/kimi-code/src/tui/commands/prompts.ts
+++ b/apps/kimi-code/src/tui/commands/prompts.ts
@@ -69,10 +69,15 @@ export function promptFeedbackInput(host: SlashCommandHost): Promise<string | un
   });
 }
 
-export function promptApiKey(host: SlashCommandHost, platformName: string): Promise<string | undefined> {
+export function promptApiKey(
+  host: SlashCommandHost,
+  platformName: string,
+  subtitleLines: readonly string[] = ['Your key will be saved to ~/.kimi-code/config.toml'],
+): Promise<string | undefined> {
   return new Promise((resolve) => {
     const dialog = new ApiKeyInputDialogComponent(
       platformName,
+      subtitleLines,
       (result: ApiKeyInputResult) => {
         host.restoreEditor();
         resolve(result.kind === 'ok' ? result.value : undefined);
diff --git a/apps/kimi-code/src/tui/components/dialogs/api-key-input-dialog.ts b/apps/kimi-code/src/tui/components/dialogs/api-key-input-dialog.ts
index 8296cb0a2..2a06a4278 100644
--- a/apps/kimi-code/src/tui/components/dialogs/api-key-input-dialog.ts
+++ b/apps/kimi-code/src/tui/components/dialogs/api-key-input-dialog.ts
@@ -49,12 +49,13 @@ export class ApiKeyInputDialogComponent extends Container implements Focusable {
   private readonly onDone: (result: ApiKeyInputResult) => void;
   private readonly colors: ColorPalette;
   private readonly title: string;
-  private readonly subtitle: string;
+  private readonly subtitleLines: readonly string[];
   private done = false;
   private emptyHinted = false;
 
   constructor(
     platformName: string,
+    subtitleLines: readonly string[],
     onDone: (result: ApiKeyInputResult) => void,
     colors: ColorPalette,
   ) {
@@ -62,7 +63,7 @@ export class ApiKeyInputDialogComponent extends Container implements Focusable {
     this.onDone = onDone;
     this.colors = colors;
     this.title = `Enter API key for ${platformName}`;
-    this.subtitle = 'Your key will be saved to ~/.kimi-code/config.toml';
+    this.subtitleLines = subtitleLines;
     this.input.onSubmit = (value) => {
       this.submit(value);
     };
@@ -98,17 +99,26 @@ export class ApiKeyInputDialogComponent extends Container implements Focusable {
 
     const border = (s: string): string => chalk.hex(this.colors.primary)(s);
     const titleStyled = chalk.bold.hex(this.colors.textStrong)(this.title);
-    const subtitleText = this.emptyHinted ? 'API key cannot be empty.' : this.subtitle;
-    const subtitleStyled = chalk.hex(this.colors.textDim)(subtitleText);
+    const subtitleSource = this.emptyHinted ? ['API key cannot be empty.'] : this.subtitleLines;
+    const subtitleLines = subtitleSource.map((line) =>
+      truncateToWidth(chalk.hex(this.colors.textDim)(line), innerWidth, '…'),
+    );
     const footerStyled = chalk.hex(this.colors.textDim)(FOOTER);
 
     const titleLine = truncateToWidth(titleStyled, innerWidth, '…');
-    const subtitleLine = truncateToWidth(subtitleStyled, innerWidth, '…');
     const footerLine = truncateToWidth(footerStyled, innerWidth, '…');
     const rawInputLine = this.input.render(innerWidth)[0] ?? '> ';
     const inputLine = this.input.getValue() === '' ? rawInputLine : maskInputLine(rawInputLine);
 
-    const contentLines: string[] = [titleLine, '', subtitleLine, '', inputLine, '', footerLine];
+    const contentLines: string[] = [
+      titleLine,
+      '',
+      ...subtitleLines,
+      '',
+      inputLine,
+      '',
+      footerLine,
+    ];
 
     const lines: string[] = [
       '',
diff --git a/apps/kimi-code/src/tui/components/dialogs/platform-selector.ts b/apps/kimi-code/src/tui/components/dialogs/platform-selector.ts
index c889b126d..c1d8a1467 100644
--- a/apps/kimi-code/src/tui/components/dialogs/platform-selector.ts
+++ b/apps/kimi-code/src/tui/components/dialogs/platform-selector.ts
@@ -5,7 +5,7 @@ import { ChoicePickerComponent, type ChoiceOption } from './choice-picker';
 import type { ColorPalette } from '#/tui/theme/colors';
 
 const PLATFORM_OPTIONS: readonly ChoiceOption[] = [
-  { value: 'kimi-code', label: 'Kimi Code' },
+  { value: 'kimi-code', label: 'Kimi Code (OAuth)' },
   ...OPEN_PLATFORMS.map((platform) => ({ value: platform.id, label: platform.name })),
 ];
 
diff --git a/docs/en/configuration/providers.md b/docs/en/configuration/providers.md
index 23247fa73..0da2ebf0a 100644
--- a/docs/en/configuration/providers.md
+++ b/docs/en/configuration/providers.md
@@ -8,7 +8,7 @@ The `type` field of each entry in the `providers` table determines which impleme
 
 | Type | Protocol | Typical platforms |
 | --- | --- | --- |
-| `kimi` | OpenAI-compatible (chat completions style) | Kimi Code, Moonshot AI Open Platform |
+| `kimi` | OpenAI-compatible (chat completions style) | Kimi Code, Kimi Platform API key |
 | `anthropic` | Anthropic Messages | Claude API |
 | `openai` | OpenAI Chat Completions | OpenAI and compatible services |
 | `openai_responses` | OpenAI Responses API | OpenAI's newer Responses endpoint |
diff --git a/docs/en/guides/getting-started.md b/docs/en/guides/getting-started.md
index 120b74e6c..f4cb8302e 100644
--- a/docs/en/guides/getting-started.md
+++ b/docs/en/guides/getting-started.md
@@ -101,8 +101,8 @@ On the first launch, Kimi Code CLI has no credentials yet, and you need to confi
 
 `/login` opens a platform selector supporting:
 
-- **Kimi Code** — OAuth device code flow; open the URL on any device, sign in, and enter the code to authorize
-- **Moonshot AI Open Platform** — log in directly with an API key
+- **Kimi Code (OAuth)** — device code flow; open the URL on any device, sign in, and enter the code to authorize
+- **Kimi Platform API key** — enter an API key from `platform.kimi.com` or `platform.kimi.ai`
 
 To sign out, enter `/logout` to clear the current credentials.
 
diff --git a/docs/en/reference/slash-commands.md b/docs/en/reference/slash-commands.md
index 26968e257..8317a4907 100644
--- a/docs/en/reference/slash-commands.md
+++ b/docs/en/reference/slash-commands.md
@@ -12,7 +12,7 @@ Some commands are only available in the idle state. Running them while the sessi
 
 | Command | Alias | Description | Always available |
 | --- | --- | --- | --- |
-| `/login` | — | Pick an account or platform and sign in: Kimi Code uses the OAuth device code flow, while the Moonshot AI Open Platform signs in with an API key. | No |
+| `/login` | — | Pick an account or platform and sign in: Kimi Code uses the OAuth device code flow, while Kimi Platform signs in with an API key. | No |
 | `/logout` | — | Clear the credentials of the currently selected account (Kimi Code OAuth credentials, or the corresponding open platform provider config). | No |
 | `/connect [--refresh] [--url=<catalog-url>]` | — | Configure a provider and model from a model catalog. The default catalog is bundled with the CLI; pass `--refresh` to fetch the latest catalog from models.dev, or `--url` to read it from a custom URL. See [Providers and models — `/connect` and the model catalog](../configuration/providers.md#connect-and-the-model-catalog). | No |
 | `/model` | — | Switch the LLM model used by the current session. | No |
diff --git a/docs/zh/configuration/providers.md b/docs/zh/configuration/providers.md
index eaa037a48..22b2acf99 100644
--- a/docs/zh/configuration/providers.md
+++ b/docs/zh/configuration/providers.md
@@ -8,7 +8,7 @@ Kimi Code CLI 通过统一的供应商抽象对接多家 LLM 平台。每个供
 
 | 类型 | 协议 | 典型平台 |
 | --- | --- | --- |
-| `kimi` | OpenAI 兼容（chat completions 风格） | Kimi Code、Moonshot AI 开放平台 |
+| `kimi` | OpenAI 兼容（chat completions 风格） | Kimi Code、Kimi Platform API 密钥 |
 | `anthropic` | Anthropic Messages | Claude API |
 | `openai` | OpenAI Chat Completions | OpenAI 及其兼容服务 |
 | `openai_responses` | OpenAI Responses API | OpenAI 较新的 Responses 接口 |
diff --git a/docs/zh/guides/getting-started.md b/docs/zh/guides/getting-started.md
index 36d519e22..142d942da 100644
--- a/docs/zh/guides/getting-started.md
+++ b/docs/zh/guides/getting-started.md
@@ -101,8 +101,8 @@ kimi -C
 
 `/login` 会弹出平台选择器，支持：
 
-- **Kimi Code** — OAuth 验证码流程，在任意设备打开链接、登录并输入验证码即可授权
-- **Moonshot AI Open Platform** — 直接输入 API key 登录
+- **Kimi Code（OAuth）** — 验证码流程，在任意设备打开链接、登录并输入验证码即可授权
+- **Kimi Platform API 密钥** — 输入来自 `platform.kimi.com` 或 `platform.kimi.ai` 的 API 密钥
 
 需要退出登录时，输入 `/logout` 即可清除当前凭证。
 
diff --git a/docs/zh/reference/slash-commands.md b/docs/zh/reference/slash-commands.md
index 887128805..7cd8990b0 100644
--- a/docs/zh/reference/slash-commands.md
+++ b/docs/zh/reference/slash-commands.md
@@ -12,7 +12,7 @@
 
 | 命令 | 别名 | 说明 | 随时可用 |
 | --- | --- | --- | --- |
-| `/login` | — | 选择账号或平台并登录：Kimi Code 走 OAuth device code 流程，Moonshot AI 开放平台通过 API 密钥登录。 | 否 |
+| `/login` | — | 选择账号或平台并登录：Kimi Code 走 OAuth 验证码流程，Kimi Platform 通过 API 密钥登录。 | 否 |
 | `/logout` | — | 清除当前所选账号的凭据（Kimi Code OAuth 凭据，或对应开放平台的供应商配置）。 | 否 |
 | `/connect [--refresh] [--url=<catalog-url>]` | — | 从模型目录中选择并配置供应商与模型。CLI 已内置默认目录；传入 `--refresh` 可从 models.dev 拉取最新目录，传入 `--url` 可指向自定义目录地址。详见 [平台与模型 — `/connect` 与模型目录](../configuration/providers.md#connect-与模型目录)。 | 否 |
 | `/model` | — | 切换当前会话使用的 LLM 模型。 | 否 |
diff --git a/packages/oauth/src/open-platform.ts b/packages/oauth/src/open-platform.ts
index da15c893c..d32f931d9 100644
--- a/packages/oauth/src/open-platform.ts
+++ b/packages/oauth/src/open-platform.ts
@@ -11,20 +11,23 @@ export interface OpenPlatformDefinition {
   readonly id: string;
   readonly name: string;
   readonly baseUrl: string;
+  readonly consoleUrl?: string;
   readonly allowedPrefixes?: readonly string[] | undefined;
 }
 
 export const OPEN_PLATFORMS: readonly OpenPlatformDefinition[] = [
   {
     id: 'moonshot-cn',
-    name: 'Moonshot AI Open Platform (moonshot.cn)',
+    name: 'Kimi Platform (API key · platform.kimi.com)',
     baseUrl: 'https://api.moonshot.cn/v1',
+    consoleUrl: 'https://platform.kimi.com',
     allowedPrefixes: ['kimi-k'],
   },
   {
     id: 'moonshot-ai',
-    name: 'Moonshot AI Open Platform (moonshot.ai)',
+    name: 'Kimi Platform (API key · platform.kimi.ai)',
     baseUrl: 'https://api.moonshot.ai/v1',
+    consoleUrl: 'https://platform.kimi.ai',
     allowedPrefixes: ['kimi-k'],
   },
 ];
diff --git a/packages/oauth/test/open-platform.test.ts b/packages/oauth/test/open-platform.test.ts
index d179fc8f7..b127fd6b7 100644
--- a/packages/oauth/test/open-platform.test.ts
+++ b/packages/oauth/test/open-platform.test.ts
@@ -47,13 +47,15 @@ function makeModelsResponse(): Response {
 describe('OPEN_PLATFORMS', () => {
   it('contains moonshot.cn and moonshot.ai', () => {
     expect(getOpenPlatformById('moonshot-cn')).toMatchObject({
-      name: 'Moonshot AI Open Platform (moonshot.cn)',
+      name: 'Kimi Platform (API key · platform.kimi.com)',
       baseUrl: 'https://api.moonshot.cn/v1',
+      consoleUrl: 'https://platform.kimi.com',
       allowedPrefixes: ['kimi-k'],
     });
     expect(getOpenPlatformById('moonshot-ai')).toMatchObject({
-      name: 'Moonshot AI Open Platform (moonshot.ai)',
+      name: 'Kimi Platform (API key · platform.kimi.ai)',
       baseUrl: 'https://api.moonshot.ai/v1',
+      consoleUrl: 'https://platform.kimi.ai',
       allowedPrefixes: ['kimi-k'],
     });
     expect(getOpenPlatformById('unknown')).toBeUndefined();