diff --git a/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/apikey-auth.js b/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/apikey-auth.js
index f0a110f..3ae93c5 100644
--- a/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/apikey-auth.js
+++ b/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/apikey-auth.js
@@ -75,12 +75,26 @@ function buildApiKeyAuth(prisma) {
         // o tenant dono do par; honra revoke e atualiza lastSeenAt. É o registry — e
         // não uma única chave mestra global — autenticando o satélite.
         if (key.startsWith('nwk_')) {
-            const tenantId = await resolvePairKey(prisma, key);
-            if (!tenantId) {
+            const owner = await resolvePairKey(prisma, key);
+            if (!owner) {
                 res.status(401).json({ error: 'Chave de satélite inválida ou revogada' });
                 return;
             }
-            req.extTenantId = tenantId;
+            // Satélite confiável: com x-nw-email resolve por email (preserva multi-conta,
+            // ex.: cada usuário do scoreodonto vê o WhatsApp do seu e-mail); sem email,
+            // cai no tenant dono do par.
+            const email = req.headers['x-nw-email']?.trim().toLowerCase();
+            if (email) {
+                const tenantId = await resolveMasterEmail(prisma, email);
+                if (!tenantId) {
+                    res.status(404).json({ error: `Conta não encontrada no motor para ${email}` });
+                    return;
+                }
+                req.extTenantId = tenantId;
+                next();
+                return;
+            }
+            req.extTenantId = owner;
             next();
             return;
         }
diff --git a/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/apikey-auth.js.map b/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/apikey-auth.js.map
index 3ed8547..a15548d 100644
--- a/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/apikey-auth.js.map
+++ b/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/apikey-auth.js.map
@@ -1 +1 @@
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\ No newline at end of file
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\ No newline at end of file
diff --git a/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/apikey-auth.ts b/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/apikey-auth.ts
index c3d093e..313ff74 100644
--- a/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/apikey-auth.ts
+++ b/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/apikey-auth.ts
@@ -93,9 +93,19 @@ export function buildApiKeyAuth(prisma: PrismaClient) {
     // o tenant dono do par; honra revoke e atualiza lastSeenAt. É o registry — e
     // não uma única chave mestra global — autenticando o satélite.
     if (key.startsWith('nwk_')) {
-      const tenantId = await resolvePairKey(prisma, key)
-      if (!tenantId) { res.status(401).json({ error: 'Chave de satélite inválida ou revogada' }); return }
-      req.extTenantId = tenantId
+      const owner = await resolvePairKey(prisma, key)
+      if (!owner) { res.status(401).json({ error: 'Chave de satélite inválida ou revogada' }); return }
+      // Satélite confiável: com x-nw-email resolve por email (preserva multi-conta,
+      // ex.: cada usuário do scoreodonto vê o WhatsApp do seu e-mail); sem email,
+      // cai no tenant dono do par.
+      const email = (req.headers['x-nw-email'] as string | undefined)?.trim().toLowerCase()
+      if (email) {
+        const tenantId = await resolveMasterEmail(prisma, email)
+        if (!tenantId) { res.status(404).json({ error: `Conta não encontrada no motor para ${email}` }); return }
+        req.extTenantId = tenantId
+        next(); return
+      }
+      req.extTenantId = owner
       next(); return
     }
 
diff --git a/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/ws-bridge.js b/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/ws-bridge.js
index ab320ce..2100942 100644
--- a/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/ws-bridge.js
+++ b/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/ws-bridge.js
@@ -43,10 +43,13 @@ function buildWsBridge(httpServer, prisma, hooks) {
         }
         let tenantId;
         try {
-            // Chave mestra → resolve o tenant pelo x-nw-email do handshake (o túnel do
-            // satélite injeta o email do usuário autenticado). Chave normal → tabela apiKey.
+            // Resolução do tenant no handshake (o túnel do satélite injeta x-nw-email):
+            //  - chave mestra → exige x-nw-email → resolve por email;
+            //  - chave de satélite (nwk_) → confiável: com x-nw-email resolve por email
+            //    (preserva multi-conta), senão cai no tenant dono do par;
+            //  - chave normal → tabela apiKey.
+            const email = req.headers['x-nw-email']?.trim().toLowerCase();
             if ((0, apikey_auth_1.isMasterKey)(apiKey)) {
-                const email = req.headers['x-nw-email']?.trim().toLowerCase();
                 if (!email) {
                     socket.write('HTTP/1.1 400 Bad Request\r\nContent-Type: text/plain\r\n\r\nx-nw-email ausente (chave mestra)');
                     socket.destroy();
@@ -54,6 +57,10 @@ function buildWsBridge(httpServer, prisma, hooks) {
                 }
                 tenantId = await (0, apikey_auth_1.resolveMasterEmail)(prisma, email);
             }
+            else if (apiKey.startsWith('nwk_')) {
+                const owner = await (0, apikey_auth_1.resolvePairKey)(prisma, apiKey);
+                tenantId = owner ? (email ? await (0, apikey_auth_1.resolveMasterEmail)(prisma, email) : owner) : null;
+            }
             else {
                 tenantId = await (0, apikey_auth_1.resolveApiKey)(prisma, apiKey);
             }
diff --git a/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/ws-bridge.js.map b/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/ws-bridge.js.map
index 2c2f146..9dcef02 100644
--- a/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/ws-bridge.js.map
+++ b/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/ws-bridge.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"ws-bridge.js","sourceRoot":"","sources":["ws-bridge.ts"],"names":[],"mappings":";;AAwCA,sCAmHC;AA3JD;;;;;;;;;;;;;;;;;;;GAmBG;AACH,2BAAoD;AAKpD,+CAA8F;AAE9F,MAAM,OAAO,GAAa,oBAAoB,CAAA;AAC9C,MAAM,gBAAgB,GAAI,KAAM,CAAA;AAQhC,SAAS,aAAa,CAAC,KAAa,EAAE,IAAa;IACjD,OAAO,IAAI,CAAC,SAAS,CAAC,EAAE,KAAK,EAAE,IAAI,EAAE,SAAS,EAAE,IAAI,CAAC,GAAG,EAAE,EAAE,CAAC,CAAA;AAC/D,CAAC;AAED,SAAgB,aAAa,CAC3B,UAAsB,EACtB,MAAoB,EACpB,KAAc;IAEd,MAAM,GAAG,GAAG,IAAI,oBAAe,CAAC,EAAE,QAAQ,EAAE,IAAI,EAAE,CAAC,CAAA;IAEnD,6EAA6E;IAC7E,UAAU,CAAC,EAAE,CAAC,SAAS,EAAE,KAAK,EAAE,GAAoB,EAAE,MAAM,EAAE,IAAI,EAAE,EAAE;QACpE,IAAI,GAAG,CAAC,GAAG,KAAK,OAAO;YAAE,OAAM,CAAE,iCAAiC;QAElE,+CAA+C;QAC/C,MAAM,MAAM,GAAI,GAAG,CAAC,OAAO,CAAC,UAAU,CAAwB,EAAE,IAAI,EAAE,CAAA;QACtE,IAAI,CAAC,MAAM,EAAE,CAAC;YACZ,MAAM,CAAC,KAAK,CAAC,sFAAsF,CAAC,CAAA;YACpG,MAAM,CAAC,OAAO,EAAE,CAAA;YAChB,OAAM;QACR,CAAC;QAED,IAAI,QAAuB,CAAA;QAC3B,IAAI,CAAC;YACH,4EAA4E;YAC5E,0DAA0D;YAC1D,4EAA4E;YAC5E,8DAA8D;YAC9D,mCAAmC;YACnC,MAAM,KAAK,GAAI,GAAG,CAAC,OAAO,CAAC,YAAY,CAAwB,EAAE,IAAI,EAAE,CAAC,WAAW,EAAE,CAAA;YACrF,IAAI,IAAA,yBAAW,EAAC,MAAM,CAAC,EAAE,CAAC;gBACxB,IAAI,CAAC,KAAK,EAAE,CAAC;oBACX,MAAM,CAAC,KAAK,CAAC,+FAA+F,CAAC,CAAA;oBAC7G,MAAM,CAAC,OAAO,EAAE,CAAA;oBAChB,OAAM;gBACR,CAAC;gBACD,QAAQ,GAAG,MAAM,IAAA,gCAAkB,EAAC,MAAM,EAAE,KAAK,CAAC,CAAA;YACpD,CAAC;iBAAM,IAAI,MAAM,CAAC,UAAU,CAAC,MAAM,CAAC,EAAE,CAAC;gBACrC,MAAM,KAAK,GAAG,MAAM,IAAA,4BAAc,EAAC,MAAM,EAAE,MAAM,CAAC,CAAA;gBAClD,QAAQ,GAAG,KAAK,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,MAAM,IAAA,gCAAkB,EAAC,MAAM,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,IAAI,CAAA;YACrF,CAAC;iBAAM,CAAC;gBACN,QAAQ,GAAG,MAAM,IAAA,2BAAa,EAAC,MAAM,EAAE,MAAM,CAAC,CAAA;YAChD,CAAC;QACH,CAAC;QAAC,MAAM,CAAC;YACP,MAAM,CAAC,KAAK,CAAC,4CAA4C,CAAC,CAAA;YAC1D,MAAM,CAAC,OAAO,EAAE,CAAA;YAChB,OAAM;QACR,CAAC;QAED,IAAI,CAAC,QAAQ,EAAE,CAAC;YACd,MAAM,CAAC,KAAK,CAAC,6GAA6G,CAAC,CAAA;YAC3H,MAAM,CAAC,OAAO,EAAE,CAAA;YAChB,OAAM;QACR,CAAC;QAED,0BAA0B;QAC1B,GAAG,CAAC,aAAa,CAAC,GAAG,EAAE,MAAM,EAAE,IAAI,EAAE,CAAC,EAAE,EAAE,EAAE;YAC1C,GAAG,CAAC,IAAI,CAAC,YAAY,EAAE,EAAE,EAAE,GAAG,EAAE,QAAQ,CAAC,CAAA;QAC3C,CAAC,CAAC,CAAA;IACJ,CAAC,CAAC,CAAA;IAEF,6EAA6E;IAC7E,GAAG,CAAC,EAAE,CAAC,YAAY,EAAE,CAAC,EAAa,EAAE,IAAqB,EAAE,QAAgB,EAAE,EAAE;QAC9E,MAAM,MAAM,GAAc,EAAE,EAAE,EAAE,QAAQ,EAAE,MAAM,EAAE,EAAE,EAAE,CAAA;QAEtD,8BAA8B;QAC9B,EAAE,CAAC,IAAI,CAAC,aAAa,CAAC,WAAW,EAAE,EAAE,QAAQ,EAAE,OAAO,EAAE,IAAI,EAAE,CAAC,CAAC,CAAA;QAEhE,yEAAyE;QACzE,MAAM,SAAS,GAA6C;YAC1D,EAAE,IAAI,EAAE,gBAAgB,EAAM,OAAO,EAAE,YAAY,EAAW;YAC9D,EAAE,IAAI,EAAE,oBAAoB,EAAE,OAAO,EAAE,gBAAgB,EAAQ;YAC/D,EAAE,IAAI,EAAE,iBAAiB,EAAK,OAAO,EAAE,aAAa,EAAW;YAC/D,EAAE,IAAI,EAAE,oBAAoB,EAAE,OAAO,EAAE,gBAAgB,EAAQ;YAC/D,EAAE,IAAI,EAAE,aAAa,EAAS,OAAO,EAAE,sBAAsB,EAAI;YACjE,EAAE,IAAI,EAAE,eAAe,EAAM,OAAO,EAAE,wBAAwB,EAAE;SACjE,CAAA;QAED,KAAK,MAAM,EAAE,IAAI,EAAE,OAAO,EAAE,IAAI,SAAS,EAAE,CAAC;YAC1C,MAAM,OAAO,GAAG,KAAK,EAAE,IAAS,EAAE,EAAE;gBAClC,IAAI,IAAI,CAAC,QAAQ,KAAK,QAAQ;oBAAE,OAAM,CAAQ,mBAAmB;gBACjE,IAAI,EAAE,CAAC,UAAU,KAAK,EAAE,CAAC,IAAI;oBAAI,OAAM;gBACvC,MAAM,EAAE,QAAQ,EAAE,IAAI,EAAE,GAAG,OAAO,EAAE,GAAG,IAAI,CAAA,CAAG,gCAAgC;gBAC9E,EAAE,CAAC,IAAI,CAAC,aAAa,CAAC,OAAO,EAAE,OAAO,CAAC,CAAC,CAAA;YAC1C,CAAC,CAAA;YACD,KAAK,CAAC,QAAQ,CAAC,IAAI,EAAE,OAAO,CAAC,CAAA;YAC7B,iEAAiE;YACjE,iEAAiE;YACjE,sEAAsE;YACtE,MAAM,CAAC,MAAM,CAAC,IAAI,CAAC,GAAG,EAAE;gBACtB,sEAAsE;gBACtE,0EAA0E;YAC5E,CAAC,CAAC,CAAA;QACJ,CAAC;QAED,yEAAyE;QACzE,IAAI,OAAO,GAAG,IAAI,CAAA;QAClB,MAAM,SAAS,GAAG,WAAW,CAAC,GAAG,EAAE;YACjC,IAAI,CAAC,OAAO,EAAE,CAAC;gBAAC,EAAE,CAAC,SAAS,EAAE,CAAC;gBAAC,OAAM;YAAC,CAAC;YACxC,OAAO,GAAG,KAAK,CAAA;YACf,EAAE,CAAC,IAAI,EAAE,CAAA;QACX,CAAC,EAAE,gBAAgB,CAAC,CAAA;QAEpB,EAAE,CAAC,EAAE,CAAC,MAAM,EAAE,GAAG,EAAE,GAAG,OAAO,GAAG,IAAI,CAAA,CAAC,CAAC,CAAC,CAAA;QAEvC,yEAAyE;QACzE,EAAE,CAAC,EAAE,CAAC,OAAO,EAAE,GAAG,EAAE;YAClB,aAAa,CAAC,SAAS,CAAC,CAAA;YACxB,sEAAsE;QACxE,CAAC,CAAC,CAAA;QAEF,EAAE,CAAC,EAAE,CAAC,OAAO,EAAE,GAAG,EAAE;YAClB,aAAa,CAAC,SAAS,CAAC,CAAA;QAC1B,CAAC,CAAC,CAAA;QAEF,kEAAkE;QAClE,EAAE,CAAC,EAAE,CAAC,SAAS,EAAE,GAAG,EAAE,GAAE,CAAC,CAAC,CAAA;IAC5B,CAAC,CAAC,CAAA;AACJ,CAAC"}
\ No newline at end of file
diff --git a/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/ws-bridge.ts b/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/ws-bridge.ts
index b3d9404..5b5497b 100644
--- a/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/ws-bridge.ts
+++ b/newwhats.clube67.com/newwhats.local/plugins/ext-api/backend/ws-bridge.ts
@@ -23,7 +23,7 @@ import type { Server as HttpServer } from 'http'
 import type { IncomingMessage } from 'http'
 import type { PrismaClient } from '@prisma/client'
 import type { HookBus } from '../../../backend/src/core/hook-bus'
-import { resolveApiKey, isMasterKey, resolveMasterEmail } from './apikey-auth'
+import { resolveApiKey, isMasterKey, resolveMasterEmail, resolvePairKey } from './apikey-auth'
 
 const WS_PATH           = '/api/ext/v1/stream'
 const PING_INTERVAL_MS  = 25_000
@@ -59,16 +59,22 @@ export function buildWsBridge(
 
     let tenantId: string | null
     try {
-      // Chave mestra → resolve o tenant pelo x-nw-email do handshake (o túnel do
-      // satélite injeta o email do usuário autenticado). Chave normal → tabela apiKey.
+      // Resolução do tenant no handshake (o túnel do satélite injeta x-nw-email):
+      //  - chave mestra → exige x-nw-email → resolve por email;
+      //  - chave de satélite (nwk_) → confiável: com x-nw-email resolve por email
+      //    (preserva multi-conta), senão cai no tenant dono do par;
+      //  - chave normal → tabela apiKey.
+      const email = (req.headers['x-nw-email'] as string | undefined)?.trim().toLowerCase()
       if (isMasterKey(apiKey)) {
-        const email = (req.headers['x-nw-email'] as string | undefined)?.trim().toLowerCase()
         if (!email) {
           socket.write('HTTP/1.1 400 Bad Request\r\nContent-Type: text/plain\r\n\r\nx-nw-email ausente (chave mestra)')
           socket.destroy()
           return
         }
         tenantId = await resolveMasterEmail(prisma, email)
+      } else if (apiKey.startsWith('nwk_')) {
+        const owner = await resolvePairKey(prisma, apiKey)
+        tenantId = owner ? (email ? await resolveMasterEmail(prisma, email) : owner) : null
       } else {
         tenantId = await resolveApiKey(prisma, apiKey)
       }