diff --git a/scnserver/api/handler/apiPreview.go b/scnserver/api/handler/apiPreview.go
index c72df9a..e521c49 100644
--- a/scnserver/api/handler/apiPreview.go
+++ b/scnserver/api/handler/apiPreview.go
@@ -1,14 +1,15 @@
 package handler
 
 import (
+	"database/sql"
+	"errors"
+	"net/http"
+
 	"blackforestbytes.com/simplecloudnotifier/api/apierr"
 	"blackforestbytes.com/simplecloudnotifier/api/ginresp"
 	"blackforestbytes.com/simplecloudnotifier/logic"
 	"blackforestbytes.com/simplecloudnotifier/models"
-	"database/sql"
-	"errors"
 	"git.blackforestbytes.com/BlackForestBytes/goext/ginext"
-	"net/http"
 )
 
 // GetUserPreview swaggerdoc
@@ -52,7 +53,7 @@ func (h APIHandler) GetUserPreview(pctx ginext.PreContext) ginext.HTTPResponse {
 			return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query user", err)
 		}
 
-		return finishSuccess(ginext.JSON(http.StatusOK, user.JSONPreview()))
+		return finishSuccess(ginext.JSON(http.StatusOK, user.Preview()))
 
 	})
 }
@@ -175,3 +176,65 @@ func (h APIHandler) GetUserKeyPreview(pctx ginext.PreContext) ginext.HTTPRespons
 
 	})
 }
+
+// GetClientPreview swaggerdoc
+//
+//	@Summary	Get a client (similar to api-clients-get, but can be called from anyone and only returns a subset of fields)
+//	@ID			api-clients-get-preview
+//	@Tags		API-v2
+//
+//	@Param		cid	path		string	true	"ClientID"
+//
+//	@Success	200	{object}	handler.GetClientPreview.response
+//
+//	@Failure	400	{object}	ginresp.apiError	"supplied values/parameters cannot be parsed / are invalid"
+//	@Failure	401	{object}	ginresp.apiError	"user is not authorized / has missing permissions"
+//	@Failure	404	{object}	ginresp.apiError	"client not found"
+//	@Failure	500	{object}	ginresp.apiError	"internal server error"
+//
+//	@Router		/api/v2/preview/clients/{cid} [GET]
+func (h APIHandler) GetClientPreview(pctx ginext.PreContext) ginext.HTTPResponse {
+	type uri struct {
+		ClientID models.ClientID `uri:"cid" binding:"entityid"`
+	}
+	type response struct {
+		Client models.ClientPreview `json:"client"`
+		User   models.UserPreview   `json:"user"`
+	}
+
+	var u uri
+	ctx, g, errResp := pctx.URI(&u).Start()
+	if errResp != nil {
+		return *errResp
+	}
+	defer ctx.Cancel()
+
+	return h.app.DoRequest(ctx, g, models.TLockRead, func(ctx *logic.AppContext, finishSuccess func(r ginext.HTTPResponse) ginext.HTTPResponse) ginext.HTTPResponse {
+
+		if permResp := ctx.CheckPermissionAny(); permResp != nil {
+			return *permResp
+		}
+
+		client, err := h.database.GetClientByID(ctx, u.ClientID)
+		if client == nil {
+			return ginresp.APIError(g, 404, apierr.CLIENT_NOT_FOUND, "Client not found", err)
+		}
+		if err != nil {
+			return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query client", err)
+		}
+
+		user, err := h.database.GetUser(ctx, client.UserID)
+		if errors.Is(err, sql.ErrNoRows) {
+			return ginresp.APIError(g, 404, apierr.USER_NOT_FOUND, "User not found", err)
+		}
+		if err != nil {
+			return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query user", err)
+		}
+
+		return finishSuccess(ginext.JSON(http.StatusOK, response{
+			Client: client.Preview(),
+			User:   user.Preview(),
+		}))
+
+	})
+}
diff --git a/scnserver/api/handler/external.go b/scnserver/api/handler/external.go
index b0ba600..2cfda1e 100644
--- a/scnserver/api/handler/external.go
+++ b/scnserver/api/handler/external.go
@@ -148,7 +148,7 @@ func (h ExternalHandler) UptimeKuma(pctx ginext.PreContext) ginext.HTTPResponse
 //	@Tags			External
 //
 //	@Param			query_data	query		handler.Shoutrrr.query	false	" "
-//	@Param			post_body	body		handler.Shoutrrr.body		false	" "
+//	@Param			post_body	body		handler.Shoutrrr.body	false	" "
 //
 //	@Success		200			{object}	handler.Shoutrrr.response
 //	@Failure		400			{object}	ginresp.apiError
diff --git a/scnserver/api/router.go b/scnserver/api/router.go
index 32f58e6..e9d2e4f 100644
--- a/scnserver/api/router.go
+++ b/scnserver/api/router.go
@@ -171,6 +171,7 @@ func (r *Router) Init(e *ginext.GinWrapper) error {
 		apiv2.GET("/preview/users/:uid").Handle(r.apiHandler.GetUserPreview)
 		apiv2.GET("/preview/keys/:kid").Handle(r.apiHandler.GetUserKeyPreview)
 		apiv2.GET("/preview/channels/:cid").Handle(r.apiHandler.GetChannelPreview)
+		apiv2.GET("/preview/clients/:cid").Handle(r.apiHandler.GetClientPreview)
 	}
 
 	// ================ Send API (unversioned) ================
diff --git a/scnserver/db/impl/primary/clients.go b/scnserver/db/impl/primary/clients.go
index 0e9cd25..028d1ec 100644
--- a/scnserver/db/impl/primary/clients.go
+++ b/scnserver/db/impl/primary/clients.go
@@ -53,6 +53,15 @@ func (db *Database) GetClient(ctx db.TxContext, userid models.UserID, clientid m
 	}, sq.SModeExtended, sq.Safe)
 }
 
+func (db *Database) GetClientByID(ctx db.TxContext, clientid models.ClientID) (*models.Client, error) {
+	tx, err := ctx.GetOrCreateTransaction(db)
+	if err != nil {
+		return nil, err
+	}
+
+	return sq.QuerySingleOpt[models.Client](ctx, tx, "SELECT * FROM clients WHERE deleted=0 AND client_id = :cid LIMIT 1", sq.PP{"cid": clientid}, sq.SModeExtended, sq.Safe)
+}
+
 func (db *Database) GetClientOpt(ctx db.TxContext, userid models.UserID, clientid models.ClientID) (*models.Client, error) {
 	tx, err := ctx.GetOrCreateTransaction(db)
 	if err != nil {
diff --git a/scnserver/models/client.go b/scnserver/models/client.go
index bb3849c..6475572 100644
--- a/scnserver/models/client.go
+++ b/scnserver/models/client.go
@@ -21,3 +21,25 @@ type Client struct {
 	Name             *string    `db:"name"              json:"name"`
 	Deleted          bool       `db:"deleted"           json:"-"`
 }
+
+type ClientPreview struct {
+	ClientID         ClientID   `json:"client_id"`
+	UserID           UserID     `json:"user_id"`
+	Type             ClientType `json:"type"`
+	TimestampCreated SCNTime    `json:"timestamp_created"`
+	AgentModel       string     `json:"agent_model"`
+	AgentVersion     string     `json:"agent_version"`
+	Name             *string    `json:"name"`
+}
+
+func (c Client) Preview() ClientPreview {
+	return ClientPreview{
+		ClientID:         c.ClientID,
+		UserID:           c.UserID,
+		Type:             c.Type,
+		TimestampCreated: c.TimestampCreated,
+		AgentModel:       c.AgentModel,
+		AgentVersion:     c.AgentVersion,
+		Name:             c.Name,
+	}
+}
diff --git a/scnserver/models/user.go b/scnserver/models/user.go
index b372d19..1eb6c98 100644
--- a/scnserver/models/user.go
+++ b/scnserver/models/user.go
@@ -135,7 +135,7 @@ func (u User) MaxTimestampDiffHours() int {
 	return 24
 }
 
-func (u User) JSONPreview() UserPreview {
+func (u User) Preview() UserPreview {
 	return UserPreview{
 		UserID:   u.UserID,
 		Username: u.Username,
diff --git a/webapp/src/app/core/models/client.model.ts b/webapp/src/app/core/models/client.model.ts
index d0ab034..817efe8 100644
--- a/webapp/src/app/core/models/client.model.ts
+++ b/webapp/src/app/core/models/client.model.ts
@@ -1,3 +1,5 @@
+import { UserPreview } from "./user.model";
+
 export type ClientType = 'ANDROID' | 'IOS' | 'LINUX' | 'MACOS' | 'WINDOWS';
 
 export interface Client {
@@ -15,6 +17,19 @@ export interface ClientListResponse {
   clients: Client[];
 }
 
+export interface ClientPreview {
+  client_id: string;
+  name: string | null;
+  type: ClientType;
+  agent_model: string;
+  agent_version: string;
+}
+
+export interface ClientPreviewResponse {
+  user: UserPreview;
+  client: ClientPreview;
+}
+
 export function getClientTypeIcon(type: ClientType): string {
   switch (type) {
     case 'ANDROID':
diff --git a/webapp/src/app/core/services/api.service.ts b/webapp/src/app/core/services/api.service.ts
index b1c9088..2518d65 100644
--- a/webapp/src/app/core/services/api.service.ts
+++ b/webapp/src/app/core/services/api.service.ts
@@ -26,6 +26,7 @@ import {
   UpdateKeyRequest,
   Client,
   ClientListResponse,
+  ClientPreviewResponse,
   SenderNameStatistics,
   SenderNameListResponse,
   DeliveryListResponse,
@@ -93,6 +94,10 @@ export class ApiService {
     return this.http.delete<Client>(`${this.baseUrl}/users/${userId}/clients/${clientId}`);
   }
 
+  getClientPreview(clientId: string): Observable<ClientPreviewResponse> {
+    return this.http.get<ClientPreviewResponse>(`${this.baseUrl}/preview/clients/${clientId}`);
+  }
+
   // Channel endpoints
   getChannels(userId: string, selector?: ChannelSelector): Observable<ChannelListResponse> {
     let params = new HttpParams();
diff --git a/webapp/src/app/core/services/client-cache.service.ts b/webapp/src/app/core/services/client-cache.service.ts
new file mode 100644
index 0000000..41dcfa8
--- /dev/null
+++ b/webapp/src/app/core/services/client-cache.service.ts
@@ -0,0 +1,44 @@
+import { Injectable, inject } from '@angular/core';
+import { Observable, of, catchError, map, shareReplay } from 'rxjs';
+import { ApiService } from './api.service';
+
+export interface ResolvedClient {
+  clientId: string;
+  clientName: string | null;
+  userId: string;
+  userName: string | null;
+  agentModel: string;
+  agentVersion: string;
+}
+
+@Injectable({
+  providedIn: 'root'
+})
+export class ClientCacheService {
+  private apiService = inject(ApiService);
+
+  private cache = new Map<string, Observable<ResolvedClient | null>>();
+
+  resolveClient(clientId: string): Observable<ResolvedClient | null> {
+    if (!this.cache.has(clientId)) {
+      const request$ = this.apiService.getClientPreview(clientId).pipe(
+        map(response => ({
+          clientId: response.client.client_id,
+          clientName: response.client.name,
+          userId: response.user.user_id,
+          userName: response.user.username,
+          agentModel: response.client.agent_model,
+          agentVersion: response.client.agent_version,
+        })),
+        catchError(() => of(null)),
+        shareReplay(1)
+      );
+      this.cache.set(clientId, request$);
+    }
+    return this.cache.get(clientId)!;
+  }
+
+  clearCache(): void {
+    this.cache.clear();
+  }
+}
diff --git a/webapp/src/app/features/messages/message-detail/message-detail.component.html b/webapp/src/app/features/messages/message-detail/message-detail.component.html
index 13c0efc..a10e95e 100644
--- a/webapp/src/app/features/messages/message-detail/message-detail.component.html
+++ b/webapp/src/app/features/messages/message-detail/message-detail.component.html
@@ -90,18 +90,33 @@
         >
           <thead>
             <tr>
-              <th>Client ID</th>
+              <th>Client</th>
+              <th>User</th>
+              <th>Agent</th>
               <th>Status</th>
               <th>Retries</th>
               <th>Created</th>
               <th>Finalized</th>
+              <th>FCM-ID</th>
             </tr>
           </thead>
           <tbody>
             @for (delivery of deliveriesTable.data; track delivery.delivery_id) {
               <tr>
                 <td>
-                  <span class="mono">{{ delivery.receiver_client_id }}</span>
+                  <div class="cell-name">{{ getResolvedClient(delivery.receiver_client_id)?.clientName || '-' }}</div>
+                  <div class="cell-id mono">{{ delivery.receiver_client_id }}</div>
+                </td>
+                <td>
+                  <div class="cell-name">{{ getResolvedClient(delivery.receiver_client_id)?.userName || '-' }}</div>
+                  <div class="cell-id mono">{{ delivery.receiver_user_id }}</div>
+                </td>
+                <td>
+                  @if (getResolvedClient(delivery.receiver_client_id); as client) {
+                    {{ client.agentModel }} {{ client.agentVersion }}
+                  } @else {
+                    -
+                  }
                 </td>
                 <td>
                   <nz-tag [nzColor]="getStatusColor(delivery.status)">
@@ -111,6 +126,20 @@
                 <td>{{ delivery.retry_count }}</td>
                 <td>{{ delivery.timestamp_created | date:'yyyy-MM-dd HH:mm:ss' }}</td>
                 <td>{{ delivery.timestamp_finalized ? (delivery.timestamp_finalized | date:'yyyy-MM-dd HH:mm:ss') : '-' }}</td>
+                <td>
+                  @if (delivery.fcm_message_id) {
+                    <span
+                      nz-icon
+                      nzType="copy"
+                      class="action-icon"
+                      nz-tooltip
+                      nzTooltipTitle="Copy FCM ID"
+                      [appCopyToClipboard]="delivery.fcm_message_id"
+                    ></span>
+                  } @else {
+                    -
+                  }
+                </td>
               </tr>
             }
           </tbody>
diff --git a/webapp/src/app/features/messages/message-detail/message-detail.component.ts b/webapp/src/app/features/messages/message-detail/message-detail.component.ts
index a42b770..de7e113 100644
--- a/webapp/src/app/features/messages/message-detail/message-detail.component.ts
+++ b/webapp/src/app/features/messages/message-detail/message-detail.component.ts
@@ -8,13 +8,16 @@ import { NzTagModule } from 'ng-zorro-antd/tag';
 import { NzSpinModule } from 'ng-zorro-antd/spin';
 import { NzPopconfirmModule } from 'ng-zorro-antd/popconfirm';
 import { NzTableModule } from 'ng-zorro-antd/table';
+import { NzToolTipModule } from 'ng-zorro-antd/tooltip';
 import { ApiService } from '../../../core/services/api.service';
 import { AuthService } from '../../../core/services/auth.service';
 import { NotificationService } from '../../../core/services/notification.service';
 import { SettingsService } from '../../../core/services/settings.service';
 import { KeyCacheService, ResolvedKey } from '../../../core/services/key-cache.service';
 import { UserCacheService, ResolvedUser } from '../../../core/services/user-cache.service';
+import { ClientCacheService, ResolvedClient } from '../../../core/services/client-cache.service';
 import { Message, Delivery } from '../../../core/models';
+import { CopyToClipboardDirective } from '../../../shared/directives/copy-to-clipboard.directive';
 import { RelativeTimePipe } from '../../../shared/pipes/relative-time.pipe';
 import { MetadataGridComponent, MetadataValueComponent } from '../../../shared/components/metadata-grid';
 
@@ -31,10 +34,12 @@ import { MetadataGridComponent, MetadataValueComponent } from '../../../shared/c
     NzSpinModule,
     NzPopconfirmModule,
     NzTableModule,
+    NzToolTipModule,
     RouterLink,
     RelativeTimePipe,
     MetadataGridComponent,
     MetadataValueComponent,
+    CopyToClipboardDirective,
   ],
   templateUrl: './message-detail.component.html',
   styleUrl: './message-detail.component.scss'
@@ -48,11 +53,13 @@ export class MessageDetailComponent implements OnInit {
   private settingsService = inject(SettingsService);
   private keyCacheService = inject(KeyCacheService);
   private userCacheService = inject(UserCacheService);
+  private clientCacheService = inject(ClientCacheService);
 
   message = signal<Message | null>(null);
   resolvedKey = signal<ResolvedKey | null>(null);
   resolvedChannelOwner = signal<ResolvedUser | null>(null);
   deliveries = signal<Delivery[]>([]);
+  resolvedClients = signal<Map<string, ResolvedClient>>(new Map());
   loading = signal(true);
   deleting = signal(false);
   loadingDeliveries = signal(false);
@@ -107,6 +114,7 @@ export class MessageDetailComponent implements OnInit {
       next: (response) => {
         this.deliveries.set(response.deliveries);
         this.loadingDeliveries.set(false);
+        this.resolveDeliveryClients(response.deliveries);
       },
       error: () => {
         this.loadingDeliveries.set(false);
@@ -114,6 +122,27 @@ export class MessageDetailComponent implements OnInit {
     });
   }
 
+  private resolveDeliveryClients(deliveries: Delivery[]): void {
+    const uniqueClientIds = [...new Set(deliveries.map(d => d.receiver_client_id))];
+    for (const clientId of uniqueClientIds) {
+      this.clientCacheService.resolveClient(clientId).subscribe({
+        next: (resolved) => {
+          if (resolved) {
+            this.resolvedClients.update(map => {
+              const newMap = new Map(map);
+              newMap.set(clientId, resolved);
+              return newMap;
+            });
+          }
+        }
+      });
+    }
+  }
+
+  getResolvedClient(clientId: string): ResolvedClient | undefined {
+    return this.resolvedClients().get(clientId);
+  }
+
   private resolveKey(keyId: string): void {
     this.keyCacheService.resolveKey(keyId).subscribe({
       next: (resolved) => this.resolvedKey.set(resolved)