diff --git a/.env.example b/.env.example
index 9ba406b..111e34d 100644
--- a/.env.example
+++ b/.env.example
@@ -50,12 +50,14 @@ SMS_API_KEY_CARE=
 SMS_CUSTOMER_RELAY_URL=https://ladill.com/api/sms
 SMS_DEFAULT_SENDER_ID=Ladill
 
-# Ladill Bird / SMTP (patient email uses customer keys via Integrations)
-SMTP_PLATFORM_API_URL=https://bird.ladill.com/api/smtp
+# Platform suite messaging (zero-config — channel=suite; no Bird/SMS product keys required)
+# Monolith: MESSAGING_SUITE_PLATFORM_CHANNEL=true, SMTP_API_KEY_CARE + SMS_API_KEY_CARE
+SMTP_PLATFORM_API_URL=https://ladill.com/api/smtp
 SMTP_API_KEY_CARE=
-SMTP_CUSTOMER_RELAY_URL=https://bird.ladill.com/api/smtp
+SMTP_CUSTOMER_RELAY_URL=https://ladill.com/api/smtp
 CARE_SMTP_FROM=care@ladill.com
 CARE_SMTP_FROM_NAME="Ladill Care"
+MESSAGING_SETTINGS_URL=https://account.ladill.com/account/settings/messaging?reason=messaging_mailbox_required&from=suite
 
 # Afia in-app assistant (uses platform relay when AFIA_API_KEY is empty)
 AFIA_ENABLED=true
diff --git a/app/Http/Controllers/Care/PatientMessageController.php b/app/Http/Controllers/Care/PatientMessageController.php
index 322cc43..227ebeb 100644
--- a/app/Http/Controllers/Care/PatientMessageController.php
+++ b/app/Http/Controllers/Care/PatientMessageController.php
@@ -5,6 +5,8 @@ namespace App\Http\Controllers\Care;
 use App\Http\Controllers\Controller;
 use App\Http\Controllers\Care\Concerns\ScopesToAccount;
 use App\Models\Patient;
+use App\Services\Billing\PlatformEmailClient;
+use App\Services\Billing\PlatformSmsClient;
 use App\Services\Care\AuditLogger;
 use App\Services\Care\OrganizationResolver;
 use App\Services\Messaging\CustomerEmailClient;
@@ -23,6 +25,7 @@ class PatientMessageController extends Controller
         Patient $patient,
         MessagingCredentialsService $credentials,
         CustomerEmailClient $email,
+        PlatformEmailClient $platformEmail,
     ): RedirectResponse {
         $this->authorizeAbility($request, 'patients.manage');
         $this->authorizePatient($request, $patient);
@@ -31,16 +34,6 @@ class PatientMessageController extends Controller
             return back()->with('error', 'This patient has no valid email on file.');
         }
 
-        $credential = $credentials->forOrganization($this->organization($request));
-        if (! $credential->hasValidBird()) {
-            return back()->with('error', 'Connect Ladill Bird in Integrations before sending patient email.');
-        }
-
-        $apiKey = $credential->birdApiKey();
-        if (! $apiKey) {
-            return back()->with('error', 'Bird credentials could not be decrypted. Reconnect Bird in Integrations.');
-        }
-
         $data = $request->validate([
             'subject' => ['required', 'string', 'max:200'],
             'body' => ['required', 'string', 'max:5000'],
@@ -49,15 +42,39 @@ class PatientMessageController extends Controller
         $owner = $this->ownerRef($request);
         $organization = $this->organization($request);
         $html = OrganizationBranding::wrapEmailHtml(nl2br(e($data['body'])), $organization);
-        $sent = $email->send(
-            $apiKey,
-            (string) $credential->bird_from_email,
-            $credential->bird_from_name,
-            (string) $patient->email,
-            $data['subject'],
-            $html,
-            $data['body'],
-        );
+
+        $sent = false;
+        $error = null;
+        $via = null;
+
+        if ($platformEmail->isConfigured()) {
+            $sent = $platformEmail->send($owner, (string) $patient->email, $data['subject'], $html, $data['body']);
+            $via = 'suite';
+            if (! $sent) {
+                $error = $platformEmail->lastError();
+            }
+        }
+
+        if (! $sent) {
+            $credential = $credentials->forOrganization($organization);
+            if ($credential->hasValidBird() && ($apiKey = $credential->birdApiKey())) {
+                $sent = $email->send(
+                    $apiKey,
+                    (string) $credential->bird_from_email,
+                    $credential->bird_from_name,
+                    (string) $patient->email,
+                    $data['subject'],
+                    $html,
+                    $data['body'],
+                );
+                $via = 'bird';
+                if (! $sent) {
+                    $error = $email->lastError() ?: $error;
+                }
+            } elseif (! $platformEmail->isConfigured()) {
+                $error = 'Set a Ladill mailbox in Account → Messaging, or connect Ladill Bird in Integrations.';
+            }
+        }
 
         AuditLogger::record(
             $owner,
@@ -69,12 +86,13 @@ class PatientMessageController extends Controller
             [
                 'to' => $patient->email,
                 'subject' => $data['subject'],
-                'error' => $sent ? null : $email->lastError(),
+                'via' => $via,
+                'error' => $sent ? null : $error,
             ],
         );
 
         if (! $sent) {
-            return back()->with('error', $email->lastError() ?: 'Email could not be sent.');
+            return back()->with('error', $error ?: 'Email could not be sent.');
         }
 
         return back()->with('success', 'Email sent to '.$patient->email);
@@ -85,6 +103,7 @@ class PatientMessageController extends Controller
         Patient $patient,
         MessagingCredentialsService $credentials,
         CustomerSmsClient $sms,
+        PlatformSmsClient $platformSms,
     ): RedirectResponse {
         $this->authorizeAbility($request, 'patients.manage');
         $this->authorizePatient($request, $patient);
@@ -93,22 +112,34 @@ class PatientMessageController extends Controller
             return back()->with('error', 'This patient has no phone number on file.');
         }
 
-        $credential = $credentials->forOrganization($this->organization($request));
-        if (! $credential->hasValidSms()) {
-            return back()->with('error', 'Connect Ladill SMS in Integrations before sending patient SMS.');
-        }
-
-        $apiKey = $credential->smsApiKey();
-        if (! $apiKey) {
-            return back()->with('error', 'SMS credentials could not be decrypted. Reconnect SMS in Integrations.');
-        }
-
         $data = $request->validate([
             'message' => ['required', 'string', 'max:480'],
         ]);
 
         $owner = $this->ownerRef($request);
-        $sent = $sms->send($apiKey, (string) $patient->phone, $data['message'], (string) $credential->sms_sender_id);
+        $organization = $this->organization($request);
+        $credential = $credentials->forOrganization($organization);
+
+        $sent = false;
+        $error = null;
+
+        if ($platformSms->isConfigured()) {
+            $sender = $credential->sms_sender_id ?: null;
+            $sent = $platformSms->send($owner, (string) $patient->phone, $data['message'], $sender ? (string) $sender : null);
+            if (! $sent) {
+                $error = $platformSms->lastError();
+            }
+        }
+
+        if (! $sent && $credential->hasValidSms() && ($apiKey = $credential->smsApiKey())) {
+            $sent = $sms->send($apiKey, (string) $patient->phone, $data['message'], (string) $credential->sms_sender_id);
+            if (! $sent) {
+                $error = $sms->lastError() ?? $error;
+            }
+        } elseif (! $sent && ! $platformSms->isConfigured()) {
+            $error = 'Connect Ladill SMS in Integrations, or ensure platform SMS is configured (SMS_API_KEY_CARE).';
+        }
+
 
         AuditLogger::record(
             $owner,
@@ -119,12 +150,12 @@ class PatientMessageController extends Controller
             $patient->id,
             [
                 'to' => $patient->phone,
-                'error' => $sent ? null : $sms->lastError(),
+                'error' => $sent ? null : $error,
             ],
         );
 
         if (! $sent) {
-            return back()->with('error', $sms->lastError() ?: 'SMS could not be sent.');
+            return back()->with('error', $error ?: 'SMS could not be sent.');
         }
 
         return back()->with('success', 'SMS sent to '.$patient->phone);
diff --git a/app/Http/Controllers/Care/ProController.php b/app/Http/Controllers/Care/ProController.php
index 70f9157..4dcd395 100644
--- a/app/Http/Controllers/Care/ProController.php
+++ b/app/Http/Controllers/Care/ProController.php
@@ -258,12 +258,24 @@ class ProController extends Controller
         $settings['auto_renew'] = true;
         $settings['billing_method'] = 'wallet_monthly';
         $settings['billed_branches'] = $billedBranches;
-        $settings['plan_expires_at'] = now()
-            ->addDays((int) config('care.pro.period_days', 30))
-            ->toIso8601String();
+        $expires = now()->addDays((int) config('care.pro.period_days', 30));
+        $settings['plan_expires_at'] = $expires->toIso8601String();
         unset($settings['plan_renewal_error'], $settings['enterprise_billed_branches']);
         $organization->update(['settings' => $settings]);
 
+        $billing->syncSuiteEntitlement(
+            $organization->owner_ref,
+            $plan === 'enterprise' ? 'enterprise' : 'pro',
+            'active',
+            $reference,
+            [
+                'period_starts_at' => now()->toIso8601String(),
+                'period_ends_at' => $expires->toIso8601String(),
+                'source' => 'wallet_debit',
+                'metadata' => ['billed_branches' => $billedBranches],
+            ],
+        );
+
         return redirect()->route('care.pro.index')->with('success', $successMessage);
     }
 
@@ -278,8 +290,23 @@ class ProController extends Controller
         $settings['auto_renew'] = false;
         $settings['billing_method'] = 'paystack_prepaid';
         $settings['billed_branches'] = $billedBranches;
-        $settings['plan_expires_at'] = now()->addMonths($months)->toIso8601String();
+        $expires = now()->addMonths($months);
+        $settings['plan_expires_at'] = $expires->toIso8601String();
         unset($settings['plan_renewal_error'], $settings['enterprise_billed_branches']);
         $organization->update(['settings' => $settings]);
+
+        // Prepaid already writes entitlements on platform checkout; sync as repair.
+        app(BillingClient::class)->syncSuiteEntitlement(
+            $organization->owner_ref,
+            $plan === 'enterprise' ? 'enterprise' : 'pro',
+            'active',
+            'care-prepaid-sync-'.$organization->id.'-'.now()->format('YmdHis'),
+            [
+                'period_starts_at' => now()->toIso8601String(),
+                'period_ends_at' => $expires->toIso8601String(),
+                'source' => 'checkout',
+                'metadata' => ['billed_branches' => $billedBranches],
+            ],
+        );
     }
 }
diff --git a/app/Services/Billing/BillingClient.php b/app/Services/Billing/BillingClient.php
index 6a287ec..39fa5e5 100644
--- a/app/Services/Billing/BillingClient.php
+++ b/app/Services/Billing/BillingClient.php
@@ -105,4 +105,48 @@ class BillingClient
 
         return $res->json();
     }
+
+    /**
+     * Write suite messaging plan entitlement (SoT for included email/SMS allowances).
+     *
+     * @param  array{period_starts_at?: string, period_ends_at?: string|null, source?: string, metadata?: array}  $options
+     */
+    public function syncSuiteEntitlement(
+        string $publicId,
+        string $plan,
+        string $status,
+        string $reference,
+        array $options = [],
+    ): bool {
+        if ($this->base() === '' || $this->token() === '') {
+            return false;
+        }
+
+        $app = (string) config('billing.service', 'care');
+        $starts = $options['period_starts_at'] ?? now()->toIso8601String();
+        $ends = array_key_exists('period_ends_at', $options)
+            ? $options['period_ends_at']
+            : now()->addDays(30)->toIso8601String();
+
+        try {
+            $res = Http::withToken($this->token())
+                ->acceptJson()
+                ->timeout(15)
+                ->post($this->base().'/suite-entitlements', array_filter([
+                    'user' => $publicId,
+                    'app' => $app,
+                    'plan' => $plan,
+                    'status' => $status,
+                    'period_starts_at' => $starts,
+                    'period_ends_at' => $ends,
+                    'source' => $options['source'] ?? 'wallet_debit',
+                    'reference' => $reference,
+                    'metadata' => $options['metadata'] ?? null,
+                ], static fn ($v) => $v !== null));
+
+            return ! $res->failed();
+        } catch (\Throwable) {
+            return false;
+        }
+    }
 }
diff --git a/app/Services/Billing/PlatformEmailClient.php b/app/Services/Billing/PlatformEmailClient.php
index dc0dcd5..6c8e40c 100644
--- a/app/Services/Billing/PlatformEmailClient.php
+++ b/app/Services/Billing/PlatformEmailClient.php
@@ -4,16 +4,27 @@ namespace App\Services\Billing;
 
 use Illuminate\Support\Facades\Http;
 use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Str;
 
+/**
+ * Platform suite email (zero-config): channel=suite, no Bird customer API key.
+ */
 class PlatformEmailClient
 {
     private ?string $lastError = null;
 
+    private ?string $lastErrorCode = null;
+
     public function lastError(): ?string
     {
         return $this->lastError;
     }
 
+    public function lastErrorCode(): ?string
+    {
+        return $this->lastErrorCode;
+    }
+
     private function base(): string
     {
         return rtrim((string) config('smtp.platform_api_url', 'https://ladill.com/api/smtp'), '/');
@@ -29,9 +40,25 @@ class PlatformEmailClient
         return $this->token() !== '';
     }
 
-    public function send(string $ownerPublicId, string $to, string $subject, string $html, ?string $text = null): bool
+    public function messagingSettingsUrl(): string
     {
+        return (string) config(
+            'smtp.messaging_settings_url',
+            'https://account.ladill.com/account/settings/messaging?reason=messaging_mailbox_required&from=suite',
+        );
+    }
+
+    public function send(
+        string $ownerPublicId,
+        string $to,
+        string $subject,
+        string $html,
+        ?string $text = null,
+        ?string $fromName = null,
+        ?string $idempotencyKey = null,
+    ): bool {
         $this->lastError = null;
+        $this->lastErrorCode = null;
 
         if (! $this->isConfigured()) {
             $this->lastError = 'Outbound email is not configured on this Care instance. Set SMTP_API_KEY_CARE.';
@@ -39,28 +66,41 @@ class PlatformEmailClient
             return false;
         }
 
+        $key = $idempotencyKey ?: ('care-email-'.Str::uuid());
+
         try {
-            $res = Http::withToken($this->token())->acceptJson()->timeout(30)
+            $res = Http::withToken($this->token())
+                ->withHeaders(['Idempotency-Key' => $key])
+                ->acceptJson()
+                ->timeout(30)
                 ->post($this->base().'/messages/send', array_filter([
                     'user' => $ownerPublicId,
-                    'from' => config('smtp.from'),
-                    'from_name' => config('smtp.from_name'),
+                    'channel' => 'suite',
+                    'from_name' => $fromName ?? config('smtp.from_name'),
                     'to' => $to,
                     'subject' => $subject,
                     'html' => $html,
                     'text' => $text,
-                ], fn ($value) => $value !== null && $value !== ''));
+                    'reference' => $key,
+                ], static fn ($v) => $v !== null && $v !== ''));
 
             if ($res->status() === 402) {
-                $this->lastError = (string) ($res->json('error') ?: 'Insufficient Bird email credits. Top up Bird and try again.');
-                Log::warning('Care platform email send: insufficient balance', ['user' => $ownerPublicId]);
+                $this->lastErrorCode = (string) ($res->json('error') ?: 'allowance_exceeded');
+                $this->lastError = (string) ($res->json('error') ?: 'Email allowance exceeded. Upgrade Care Pro or top up your wallet.');
+                Log::warning('Care suite email: allowance/balance', ['user' => $ownerPublicId]);
 
                 return false;
             }
 
             if ($res->failed()) {
-                $this->lastError = (string) ($res->json('error') ?: $res->json('message') ?: 'The email could not be sent.');
-                Log::warning('Care platform email send failed', ['status' => $res->status(), 'body' => $res->body()]);
+                $code = (string) ($res->json('error') ?: 'send_failed');
+                $this->lastErrorCode = $code;
+                if ($code === 'messaging_mailbox_required') {
+                    $this->lastError = 'Set a Ladill mailbox in Account → Messaging: '.$this->messagingSettingsUrl();
+                } else {
+                    $this->lastError = (string) ($res->json('error') ?: $res->json('message') ?: 'The email could not be sent.');
+                }
+                Log::warning('Care suite email failed', ['status' => $res->status(), 'body' => $res->body()]);
 
                 return false;
             }
@@ -68,7 +108,7 @@ class PlatformEmailClient
             return (bool) ($res->json('success') ?? true);
         } catch (\Throwable $e) {
             $this->lastError = 'Could not reach the email service. Please try again.';
-            Log::warning('Care platform email send error', ['error' => $e->getMessage()]);
+            Log::warning('Care suite email error', ['error' => $e->getMessage()]);
 
             return false;
         }
diff --git a/app/Services/Billing/PlatformSmsClient.php b/app/Services/Billing/PlatformSmsClient.php
index 52a6867..9f36a09 100644
--- a/app/Services/Billing/PlatformSmsClient.php
+++ b/app/Services/Billing/PlatformSmsClient.php
@@ -4,7 +4,11 @@ namespace App\Services\Billing;
 
 use Illuminate\Support\Facades\Http;
 use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Str;
 
+/**
+ * Platform suite SMS (zero-config): channel=suite, no customer SMS API key.
+ */
 class PlatformSmsClient
 {
     private ?string $lastError = null;
@@ -29,65 +33,13 @@ class PlatformSmsClient
         return $this->token() !== '';
     }
 
-    /** @return list<array<string, mixed>> */
-    public function services(string $ownerPublicId): array
-    {
-        if (! $this->isConfigured()) {
-            return [];
-        }
-
-        try {
-            $res = Http::withToken($this->token())->acceptJson()->timeout(15)
-                ->get($this->base().'/sms/services', ['user' => $ownerPublicId]);
-
-            if ($res->failed()) {
-                return [];
-            }
-
-            return (array) ($res->json('data') ?? []);
-        } catch (\Throwable $e) {
-            Log::warning('Care platform SMS services lookup failed', ['error' => $e->getMessage()]);
-
-            return [];
-        }
-    }
-
-    public function ensureServiceId(string $ownerPublicId): ?int
-    {
-        $services = $this->services($ownerPublicId);
-        if ($services !== []) {
-            return (int) ($services[0]['id'] ?? 0) ?: null;
-        }
-
-        if (! $this->isConfigured()) {
-            return null;
-        }
-
-        try {
-            $res = Http::withToken($this->token())->acceptJson()->timeout(15)
-                ->post($this->base().'/sms/services', [
-                    'user' => $ownerPublicId,
-                    'name' => 'Ladill Care',
-                    'brand_name' => 'Care',
-                ]);
-
-            if ($res->failed()) {
-                $this->lastError = (string) ($res->json('error') ?: 'Could not create an SMS service for this account.');
-
-                return null;
-            }
-
-            return (int) ($res->json('data.id') ?? 0) ?: null;
-        } catch (\Throwable $e) {
-            Log::warning('Care platform SMS service create failed', ['error' => $e->getMessage()]);
-            $this->lastError = 'Could not reach the SMS service.';
-
-            return null;
-        }
-    }
-
-    public function send(string $ownerPublicId, string $to, string $message, ?string $senderId = null): bool
-    {
+    public function send(
+        string $ownerPublicId,
+        string $to,
+        string $message,
+        ?string $senderId = null,
+        ?string $idempotencyKey = null,
+    ): bool {
         $this->lastError = null;
 
         if (! $this->isConfigured()) {
@@ -96,33 +48,32 @@ class PlatformSmsClient
             return false;
         }
 
-        $serviceId = $this->ensureServiceId($ownerPublicId);
-        if (! $serviceId) {
-            $this->lastError ??= 'No SMS service is available for this account. Open sms.ladill.com once, then retry.';
-
-            return false;
-        }
+        $key = $idempotencyKey ?: ('care-sms-'.Str::uuid());
 
         try {
-            $res = Http::withToken($this->token())->acceptJson()->timeout(30)
+            $res = Http::withToken($this->token())
+                ->withHeaders(['Idempotency-Key' => $key])
+                ->acceptJson()
+                ->timeout(30)
                 ->post($this->base().'/sms/messages/send', array_filter([
                     'user' => $ownerPublicId,
-                    'sms_service_id' => $serviceId,
+                    'channel' => 'suite',
                     'to' => $to,
                     'text' => $message,
                     'sender_id' => $senderId ?? config('sms.default_sender_id'),
-                ]));
+                    'reference' => $key,
+                ], static fn ($v) => $v !== null && $v !== ''));
 
             if ($res->status() === 402) {
-                $this->lastError = (string) ($res->json('error') ?: 'Insufficient SMS credit. Top up your Ladill SMS wallet and try again.');
-                Log::warning('Care platform SMS send: insufficient balance', ['user' => $ownerPublicId]);
+                $this->lastError = (string) ($res->json('error') ?: 'SMS allowance exceeded. Upgrade Care Pro or top up your wallet.');
+                Log::warning('Care suite SMS: allowance/balance', ['user' => $ownerPublicId]);
 
                 return false;
             }
 
             if ($res->failed()) {
                 $this->lastError = (string) ($res->json('error') ?: $res->json('message') ?: 'The SMS could not be sent.');
-                Log::warning('Care platform SMS send failed', ['status' => $res->status(), 'body' => $res->body()]);
+                Log::warning('Care suite SMS failed', ['status' => $res->status(), 'body' => $res->body()]);
 
                 return false;
             }
@@ -130,7 +81,7 @@ class PlatformSmsClient
             return (bool) ($res->json('success') ?? true);
         } catch (\Throwable $e) {
             $this->lastError = 'Could not reach the SMS service. Please try again.';
-            Log::warning('Care platform SMS send error', ['error' => $e->getMessage()]);
+            Log::warning('Care suite SMS error', ['error' => $e->getMessage()]);
 
             return false;
         }
diff --git a/app/Services/Care/ProRenewalService.php b/app/Services/Care/ProRenewalService.php
index beb8848..d156f58 100644
--- a/app/Services/Care/ProRenewalService.php
+++ b/app/Services/Care/ProRenewalService.php
@@ -73,12 +73,23 @@ class ProRenewalService
             $settings['plan'] = $plan;
             $settings['auto_renew'] = true;
             $settings['billed_branches'] = $branches;
-            $settings['plan_expires_at'] = now()
-                ->addDays((int) config('care.pro.period_days', 30))
-                ->toIso8601String();
+            $expiresAt = now()->addDays((int) config('care.pro.period_days', 30));
+            $settings['plan_expires_at'] = $expiresAt->toIso8601String();
             unset($settings['plan_renewal_error'], $settings['enterprise_billed_branches']);
             $organization->update(['settings' => $settings]);
 
+            $this->billing->syncSuiteEntitlement(
+                $organization->owner_ref,
+                $isEnterprise ? 'enterprise' : 'pro',
+                'active',
+                $reference,
+                [
+                    'period_starts_at' => now()->toIso8601String(),
+                    'period_ends_at' => $expiresAt->toIso8601String(),
+                    'source' => 'wallet_debit',
+                ],
+            );
+
             return;
         }
 
@@ -88,8 +99,30 @@ class ProRenewalService
             $settings['plan'] = 'free';
             unset($settings['plan_expires_at'], $settings['billed_branches'], $settings['enterprise_billed_branches']);
             $settings['plan_renewal_error'] = 'Suspended after failed renewal.';
+            $this->billing->syncSuiteEntitlement(
+                $organization->owner_ref,
+                'free',
+                'cancelled',
+                $reference.'-free',
+                [
+                    'period_starts_at' => now()->toIso8601String(),
+                    'period_ends_at' => now()->endOfMonth()->toIso8601String(),
+                    'source' => 'wallet_debit',
+                ],
+            );
         } else {
             $settings['plan_renewal_error'] = 'Renewal failed — top up your wallet.';
+            $this->billing->syncSuiteEntitlement(
+                $organization->owner_ref,
+                $isEnterprise ? 'enterprise' : 'pro',
+                'past_due',
+                $reference.'-pastdue',
+                [
+                    'period_starts_at' => now()->toIso8601String(),
+                    'period_ends_at' => $graceEnd->toIso8601String(),
+                    'source' => 'wallet_debit',
+                ],
+            );
         }
 
         $organization->update(['settings' => $settings]);
diff --git a/config/smtp.php b/config/smtp.php
index 1e1a83d..a011f78 100644
--- a/config/smtp.php
+++ b/config/smtp.php
@@ -1,9 +1,13 @@
 <?php
 
 return [
-    'platform_api_url' => env('SMTP_PLATFORM_API_URL', 'https://bird.ladill.com/api/smtp'),
+    'platform_api_url' => env('SMTP_PLATFORM_API_URL', 'https://ladill.com/api/smtp'),
     'platform_api_key' => env('SMTP_API_KEY_CARE'),
-    'customer_relay_url' => env('SMTP_CUSTOMER_RELAY_URL', 'https://bird.ladill.com/api/smtp'),
+    'customer_relay_url' => env('SMTP_CUSTOMER_RELAY_URL', 'https://ladill.com/api/smtp'),
     'from' => env('CARE_SMTP_FROM', 'care@ladill.com'),
     'from_name' => env('CARE_SMTP_FROM_NAME', 'Ladill Care'),
+    'messaging_settings_url' => env(
+        'MESSAGING_SETTINGS_URL',
+        'https://account.ladill.com/account/settings/messaging?reason=messaging_mailbox_required&from=suite',
+    ),
 ];
diff --git a/tests/Feature/CareSuiteMessagingTest.php b/tests/Feature/CareSuiteMessagingTest.php
new file mode 100644
index 0000000..89333c4
--- /dev/null
+++ b/tests/Feature/CareSuiteMessagingTest.php
@@ -0,0 +1,149 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Http\Middleware\EnsurePlatformSession;
+use App\Models\Branch;
+use App\Models\Department;
+use App\Models\Member;
+use App\Models\Organization;
+use App\Models\Patient;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Http;
+use Tests\TestCase;
+
+class CareSuiteMessagingTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected User $user;
+
+    protected Organization $organization;
+
+    protected Branch $branch;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->withoutMiddleware(EnsurePlatformSession::class);
+
+        $this->user = User::create([
+            'public_id' => 'test-suite-user-001',
+            'name' => 'Suite User',
+            'email' => 'suite@example.com',
+        ]);
+
+        $this->organization = Organization::create([
+            'owner_ref' => $this->user->public_id,
+            'name' => 'Suite Clinic',
+            'slug' => 'suite-clinic',
+            'timezone' => 'UTC',
+            'settings' => ['onboarded' => true],
+        ]);
+
+        Member::create([
+            'owner_ref' => $this->user->public_id,
+            'organization_id' => $this->organization->id,
+            'user_ref' => $this->user->public_id,
+            'role' => 'receptionist',
+        ]);
+
+        $this->branch = Branch::create([
+            'owner_ref' => $this->user->public_id,
+            'organization_id' => $this->organization->id,
+            'name' => 'Main Branch',
+            'is_active' => true,
+        ]);
+
+        Department::create([
+            'owner_ref' => $this->user->public_id,
+            'branch_id' => $this->branch->id,
+            'name' => 'General Outpatient',
+            'type' => 'outpatient',
+            'is_active' => true,
+        ]);
+    }
+
+    public function test_patient_email_uses_suite_channel_when_platform_configured(): void
+    {
+        config([
+            'smtp.platform_api_key' => 'care-smtp-key',
+            'smtp.platform_api_url' => 'https://platform.test/api/smtp',
+        ]);
+
+        Http::fake([
+            'platform.test/api/smtp/messages/send' => Http::response([
+                'success' => true,
+                'path' => 'suite',
+                'message_id' => 'suite-1',
+            ]),
+        ]);
+
+        $patient = Patient::create([
+            'uuid' => (string) \Illuminate\Support\Str::uuid(),
+            'owner_ref' => $this->user->public_id,
+            'organization_id' => $this->organization->id,
+            'branch_id' => $this->branch->id,
+            'patient_number' => 'LC-SUITE-001',
+            'first_name' => 'Ama',
+            'last_name' => 'Suite',
+            'email' => 'ama.suite@example.com',
+        ]);
+
+        $this->actingAs($this->user)
+            ->post(route('care.patients.email', $patient), [
+                'subject' => 'Hello',
+                'body' => 'Suite email body',
+            ])
+            ->assertRedirect()
+            ->assertSessionHas('success');
+
+        Http::assertSent(function ($request) {
+            return str_contains($request->url(), '/messages/send')
+                && ($request['channel'] ?? null) === 'suite'
+                && ($request['user'] ?? null) === $this->user->public_id;
+        });
+    }
+
+    public function test_patient_sms_uses_suite_channel_when_platform_configured(): void
+    {
+        config([
+            'sms.platform_api_key' => 'care-sms-key',
+            'sms.platform_api_url' => 'https://platform.test/api',
+        ]);
+
+        Http::fake([
+            'platform.test/api/sms/messages/send' => Http::response([
+                'success' => true,
+                'path' => 'suite',
+            ]),
+        ]);
+
+        $patient = Patient::create([
+            'uuid' => (string) \Illuminate\Support\Str::uuid(),
+            'owner_ref' => $this->user->public_id,
+            'organization_id' => $this->organization->id,
+            'branch_id' => $this->branch->id,
+            'patient_number' => 'LC-SUITE-002',
+            'first_name' => 'Kofi',
+            'last_name' => 'Suite',
+            'phone' => '0244000111',
+        ]);
+
+        $this->actingAs($this->user)
+            ->post(route('care.patients.sms', $patient), [
+                'message' => 'Suite SMS body',
+            ])
+            ->assertRedirect()
+            ->assertSessionHas('success');
+
+        Http::assertSent(function ($request) {
+            $data = $request->data();
+
+            return str_contains($request->url(), '/sms/messages/send')
+                && ($data['channel'] ?? null) === 'suite'
+                && ! array_key_exists('sms_service_id', $data);
+        });
+    }
+}