feat: add Nadir channel support

common/api_type.go

@@ -81,6 +81,8 @@ func ChannelType2APIType(channelType int) (int, bool) {
 		apiType = constant.APITypeSub2API
 	case constant.ChannelTypeNewAPI:
 		apiType = constant.APITypeNewAPI
+	case constant.ChannelTypeNadir:
+		apiType = constant.APITypeNadir
 	}
 	if apiType == -1 {
 		return constant.APITypeOpenAI, false

common/endpoint_type.go

@@ -24,7 +24,7 @@ func GetEndpointTypesByChannelType(channelType int, modelName string) []constant
 		fallthrough
 	case constant.ChannelTypeGemini:
 		endpointTypes = []constant.EndpointType{constant.EndpointTypeGemini, constant.EndpointTypeOpenAI}
-	case constant.ChannelTypeOpenRouter: // OpenRouter 只支持 OpenAI 端点
+	case constant.ChannelTypeOpenRouter, constant.ChannelTypeNadir: // OpenRouter / Nadir 只支持 OpenAI 端点
 		endpointTypes = []constant.EndpointType{constant.EndpointTypeOpenAI}
 	case constant.ChannelTypeXai:
 		endpointTypes = []constant.EndpointType{constant.EndpointTypeOpenAI, constant.EndpointTypeOpenAIResponse}

constant/api_type.go

@@ -39,5 +39,6 @@ const (
 	APITypeAdvancedCustom
 	APITypeSub2API
 	APITypeNewAPI
+	APITypeNadir
 	APITypeDummy // this one is only for count, do not add any channel after this
 )

constant/channel.go

@@ -58,6 +58,7 @@ const (
 	ChannelTypeAdvancedCustom = 58
 	ChannelTypeSub2API        = 59
 	ChannelTypeNewAPI         = 60
+	ChannelTypeNadir          = 61
 	ChannelTypeDummy          // this one is only for count, do not add any channel after this
 
 )
@@ -124,6 +125,7 @@ var ChannelBaseURLs = []string{
 	"",                                          //58
 	"",                                          //59
 	"",                                          //60
+	"https://api.getnadir.com",                  //61
 }
 
 var ChannelTypeNames = map[int]string{
@@ -184,6 +186,7 @@ var ChannelTypeNames = map[int]string{
 	ChannelTypeAdvancedCustom: "Advanced Custom",
 	ChannelTypeSub2API:        "Sub2API",
 	ChannelTypeNewAPI:         "New API",
+	ChannelTypeNadir:          "Nadir",
 }
 
 func GetChannelTypeName(channelType int) string {

controller/model_owned_by_test.go

@@ -31,6 +31,11 @@ func TestChannelOwnerNameUsesAdaptorChannelName(t *testing.T) {
 			channelType: constant.ChannelTypeOpenRouter,
 			expected:    "openrouter",
 		},
+		{
+			name:        "nadir",
+			channelType: constant.ChannelTypeNadir,
+			expected:    "nadir",
+		},
 		{
 			name:        "azure fallback",
 			channelType: constant.ChannelTypeAzure,

relay/channel/nadir/constant.go

@@ -0,0 +1,14 @@
+package nadir
+
+// ModelList is the set of model ids this channel exposes.
+//
+// Nadir is an OpenAI-compatible router: send "auto" and it classifies the
+// prompt, then routes to the cheapest model that clears its quality bar. The
+// response `model` field reports the model it actually routed to. Only "auto"
+// is listed, because pinning a concrete model here would bypass the routing
+// that is the whole point of the channel.
+var ModelList = []string{"auto"}
+
+// ChannelName is the adaptor name reported for this channel, and is what
+// surfaces as the model owner in /v1/models responses.
+var ChannelName = "nadir"

relay/channel/openai/adaptor.go

@@ -19,6 +19,7 @@ import (
 	"github.com/QuantumNous/new-api/relay/channel"
 	"github.com/QuantumNous/new-api/relay/channel/ai360"
 	"github.com/QuantumNous/new-api/relay/channel/lingyiwanwu"
+	"github.com/QuantumNous/new-api/relay/channel/nadir"
 	"github.com/QuantumNous/new-api/relaykit/dto"
 
 	//"github.com/QuantumNous/new-api/relay/channel/minimax"
@@ -680,6 +681,8 @@ func (a *Adaptor) GetModelList() []string {
 		return xinference.ModelList
 	case constant.ChannelTypeOpenRouter:
 		return openrouter.ModelList
+	case constant.ChannelTypeNadir:
+		return nadir.ModelList
 	default:
 		return ModelList
 	}
@@ -697,6 +700,8 @@ func (a *Adaptor) GetChannelName() string {
 		return xinference.ChannelName
 	case constant.ChannelTypeOpenRouter:
 		return openrouter.ChannelName
+	case constant.ChannelTypeNadir:
+		return nadir.ChannelName
 	default:
 		return ChannelName
 	}

relay/channel/openai/nadir_test.go

@@ -0,0 +1,72 @@
+package openai
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/QuantumNous/new-api/common"
+	"github.com/QuantumNous/new-api/constant"
+	relaycommon "github.com/QuantumNous/new-api/relay/common"
+	relayconstant "github.com/QuantumNous/new-api/relay/constant"
+	"github.com/QuantumNous/new-api/relaykit/types"
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+// nadirRelayInfo builds the minimal RelayInfo a Nadir request carries, so the
+// tests below exercise URL construction and header setup the same way the
+// relay does at runtime.
+func nadirRelayInfo() *relaycommon.RelayInfo {
+	return &relaycommon.RelayInfo{
+		RelayFormat:     types.RelayFormatOpenAI,
+		RelayMode:       relayconstant.RelayModeChatCompletions,
+		RequestURLPath:  "/v1/chat/completions",
+		OriginModelName: "auto",
+		ChannelMeta: &relaycommon.ChannelMeta{
+			ApiKey:            "sk-test",
+			ChannelBaseUrl:    constant.ChannelBaseURLs[constant.ChannelTypeNadir],
+			ChannelType:       constant.ChannelTypeNadir,
+			UpstreamModelName: "auto",
+		},
+	}
+}
+
+// TestNadirChannelRelaysToOpenAIChatCompletionsWithBearerAuth pins the wire
+// contract: the request goes to <base>/v1/chat/completions and carries the key
+// as a Bearer token, which is what lets Nadir reuse the shared OpenAI adaptor
+// with no request translation.
+func TestNadirChannelRelaysToOpenAIChatCompletionsWithBearerAuth(t *testing.T) {
+	adaptor := &Adaptor{}
+	info := nadirRelayInfo()
+	adaptor.Init(info)
+
+	requestURL, err := adaptor.GetRequestURL(info)
+	require.NoError(t, err)
+	assert.Equal(t, "https://api.getnadir.com/v1/chat/completions", requestURL)
+
+	gin.SetMode(gin.TestMode)
+	c, _ := gin.CreateTestContext(httptest.NewRecorder())
+	c.Request = httptest.NewRequest(http.MethodPost, "/v1/chat/completions", nil)
+	header := http.Header{}
+
+	require.NoError(t, adaptor.SetupRequestHeader(c, &header, info))
+	assert.Equal(t, "Bearer sk-test", header.Get("Authorization"))
+}
+
+// TestNadirChannelExposesAutoModelOverOpenAIEndpointOnly pins that the channel
+// advertises exactly the "auto" model and claims only the OpenAI endpoint type.
+// Claiming more would offer callers endpoints the router does not serve.
+func TestNadirChannelExposesAutoModelOverOpenAIEndpointOnly(t *testing.T) {
+	adaptor := &Adaptor{}
+	adaptor.Init(nadirRelayInfo())
+
+	assert.Equal(t, "nadir", adaptor.GetChannelName())
+	assert.Equal(t, []string{"auto"}, adaptor.GetModelList())
+	assert.Equal(
+		t,
+		[]constant.EndpointType{constant.EndpointTypeOpenAI},
+		common.GetEndpointTypesByChannelType(constant.ChannelTypeNadir, "auto"),
+	)
+}

relay/relay_adaptor.go

@@ -129,6 +129,8 @@ func GetAdaptor(apiType int) channel.Adaptor {
 		return &sub2api.Adaptor{}
 	case constant.APITypeNewAPI:
 		return &newapi.Adaptor{}
+	case constant.APITypeNadir:
+		return &openai.Adaptor{}
 	}
 	return nil
 }

web/scripts/sync-i18n.mjs

@@ -64,6 +64,7 @@ const BRAND_AND_LITERAL_KEYS = new Set([
   'Mistral',
   'MokaAI',
   'Moonshot',
+  'Nadir',
   'New API',
   'New API <noreply@example.com>',
   'NewAPI',

web/src/features/channels/constants.ts

@@ -81,12 +81,13 @@ export const CHANNEL_TYPES = {
   58: 'Advanced Custom',
   59: 'Sub2API',
   60: 'New API',
+  61: 'Nadir',
 } as const
 
 const CHANNEL_TYPE_DISPLAY_ORDER: number[] = [
-  1, 14, 33, 24, 43, 3, 41, 48, 60, 58, 42, 34, 20, 4, 40, 27, 25, 17, 26, 15,
-  46, 23, 18, 45, 31, 35, 49, 19, 47, 37, 38, 39, 11, 8, 57, 59, 22, 21, 44, 2,
-  5, 36, 50, 51, 52, 53, 54, 55, 56,
+  1, 14, 33, 24, 43, 3, 41, 48, 60, 58, 42, 34, 20, 61, 4, 40, 27, 25, 17, 26,
+  15, 46, 23, 18, 45, 31, 35, 49, 19, 47, 37, 38, 39, 11, 8, 57, 59, 22, 21, 44,
+  2, 5, 36, 50, 51, 52, 53, 54, 55, 56,
 ]
 
 export const CHANNEL_TYPE_OPTIONS: { value: number; label: string }[] = (() => {

web/src/features/channels/lib/channel-type-config.ts

@@ -123,6 +123,16 @@ export const CHANNEL_TYPE_CONFIGS: Record<number, ChannelTypeConfig> = {
       models: 'Use model IDs from OpenRouter',
     },
   },
+  61: {
+    id: 61,
+    name: CHANNEL_TYPES[61],
+    icon: 'OpenAI',
+    defaultBaseUrl: 'https://api.getnadir.com',
+    hints: {
+      key: 'Nadir API Key',
+      models: 'Use "auto" to let Nadir pick the model',
+    },
+  },
   56: {
     id: 56,
     name: CHANNEL_TYPES[56],

web/src/features/channels/lib/channel-utils.ts

@@ -93,6 +93,7 @@ export function getChannelTypeIcon(type: number): string {
     40: 'SiliconCloud', // SiliconFlow
     44: 'OpenAI', // MokaAI
     20: 'OpenRouter', // OpenRouter
+    61: 'OpenAI', // Nadir (OpenAI-compatible router, no dedicated icon)
 
     // Image/Video generation
     2: 'Midjourney', // MjProxy

web/src/i18n/locales/en.json

@@ -2797,6 +2797,7 @@
     "MySQL is a production-ready relational database. Keep your credentials secure.": "MySQL is a production-ready relational database. Keep your credentials secure.",
     "MySQL is production ready. Ensure automated backups and a dedicated user with the minimal required privileges are configured.": "MySQL is production ready. Ensure automated backups and a dedicated user with the minimal required privileges are configured.",
     "N/A": "N/A",
+    "Nadir": "Nadir",
     "Name": "Name",
     "Name *": "Name *",
     "Name for this redemption code (1-20 characters)": "Name for this redemption code (1-20 characters)",

web/src/i18n/locales/fr.json

@@ -2797,6 +2797,7 @@
     "MySQL is a production-ready relational database. Keep your credentials secure.": "MySQL est une base de données relationnelle prête pour la production. Gardez vos identifiants en sécurité.",
     "MySQL is production ready. Ensure automated backups and a dedicated user with the minimal required privileges are configured.": "MySQL est prêt pour la production. Assurez-vous que des sauvegardes automatisées et un utilisateur dédié avec les privilèges minimaux requis sont configurés.",
     "N/A": "N/A",
+    "Nadir": "Nadir",
     "Name": "Nom",
     "Name *": "Nom *",
     "Name for this redemption code (1-20 characters)": "Nom pour ce code d'échange (1-20 caractères)",

web/src/i18n/locales/ja.json

@@ -2797,6 +2797,7 @@
     "MySQL is a production-ready relational database. Keep your credentials secure.": "MySQL は本番環境対応のリレーショナルデータベースです。認証情報を安全に管理してください。",
     "MySQL is production ready. Ensure automated backups and a dedicated user with the minimal required privileges are configured.": "MySQLは本番環境に対応しています。自動バックアップと、最小限必要な権限を持つ専用ユーザーが設定されていることを確認してください。",
     "N/A": "該当なし",
+    "Nadir": "Nadir",
     "Name": "名称",
     "Name *": "名前 *",
     "Name for this redemption code (1-20 characters)": "この引き換えコードの名前（1～20文字）",

web/src/i18n/locales/ru.json

@@ -2797,6 +2797,7 @@
     "MySQL is a production-ready relational database. Keep your credentials secure.": "MySQL — реляционная база данных, готовая к продакшену. Храните учётные данные в безопасности.",
     "MySQL is production ready. Ensure automated backups and a dedicated user with the minimal required privileges are configured.": "MySQL готов к работе. Убедитесь, что настроены автоматические резервные копии и выделенный пользователь с минимально необходимыми привилегиями.",
     "N/A": "Н/Д",
+    "Nadir": "Nadir",
     "Name": "Название",
     "Name *": "Имя *",
     "Name for this redemption code (1-20 characters)": "Имя для этого кода активации (1-20 символов)",

web/src/i18n/locales/vi.json

@@ -2797,6 +2797,7 @@
     "MySQL is a production-ready relational database. Keep your credentials secure.": "MySQL là cơ sở dữ liệu quan hệ sẵn sàng cho production. Hãy giữ thông tin đăng nhập an toàn.",
     "MySQL is production ready. Ensure automated backups and a dedicated user with the minimal required privileges are configured.": "MySQL đã sẵn sàng để triển khai sản xuất. Đảm bảo sao lưu tự động và một người dùng chuyên dụng với các đặc quyền tối thiểu cần thiết được cấu hình.",
     "N/A": "N/A",
+    "Nadir": "Nadir",
     "Name": "Tên",
     "Name *": "Tên *",
     "Name for this redemption code (1-20 characters)": "Tên cho mã đổi quà này (1-20 ký tự)",

web/src/i18n/locales/zh-TW.json

@@ -2797,6 +2797,7 @@
     "MySQL is a production-ready relational database. Keep your credentials secure.": "MySQL 是生產就緒的關聯式資料庫。請確保憑證安全。",
     "MySQL is production ready. Ensure automated backups and a dedicated user with the minimal required privileges are configured.": "MySQL 已準備好投入生產環境。請確保設定了自動備份以及具有最低所需權限的專用用戶。",
     "N/A": "不適用",
+    "Nadir": "Nadir",
     "Name": "名稱",
     "Name *": "名稱 *",
     "Name for this redemption code (1-20 characters)": "此兌換碼的名稱（1-20 個字元）",

web/src/i18n/locales/zh.json

@@ -2797,6 +2797,7 @@
     "MySQL is a production-ready relational database. Keep your credentials secure.": "MySQL 是生产就绪的关系数据库。请确保凭据安全。",
     "MySQL is production ready. Ensure automated backups and a dedicated user with the minimal required privileges are configured.": "MySQL 已准备好投入生产环境。请确保配置了自动备份以及具有最低所需权限的专用用户。",
     "N/A": "不适用",
+    "Nadir": "Nadir",
     "Name": "名称",
     "Name *": "名称 *",
     "Name for this redemption code (1-20 characters)": "此兑换码的名称（1-20 个字符）",