diff --git a/compliance-agent/src/api/handlers/onboarding.rs b/compliance-agent/src/api/handlers/onboarding.rs
index 860d3ad..6784353 100644
--- a/compliance-agent/src/api/handlers/onboarding.rs
+++ b/compliance-agent/src/api/handlers/onboarding.rs
@@ -348,3 +348,43 @@ pub async fn detect_target(
         page: None,
     }))
 }
+
+/// POST /api/v1/targets/{id}/scan — trigger a scan for the target.
+///
+/// Dispatches to the unified pipeline when `UNIFIED_PIPELINE` is set (else the
+/// legacy path). Runs in the background and returns immediately.
+#[tracing::instrument(skip_all, fields(target_id = %id))]
+pub async fn trigger_target_scan(
+    Extension(agent): AgentExt,
+    tenant: TenantCtx,
+    Path(id): Path<String>,
+) -> Result<Json<serde_json::Value>, StatusCode> {
+    let oid = parse_oid(&id)?;
+    let db = tenant_db(&agent, &tenant).await?;
+    // 404 if the target doesn't exist for this tenant.
+    if db
+        .onboarded_targets()
+        .find_one(doc! { "_id": oid })
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?
+        .is_none()
+    {
+        return Err(StatusCode::NOT_FOUND);
+    }
+
+    let agent_clone = (*agent).clone();
+    let tenant_id = tenant.0.tenant_id.clone();
+    tokio::spawn(async move {
+        if let Err(e) = agent_clone
+            .run_scan(
+                &tenant_id,
+                &id,
+                compliance_core::models::ScanTrigger::Manual,
+            )
+            .await
+        {
+            tracing::error!("Manual target scan failed for {id}: {e}");
+        }
+    });
+    Ok(Json(serde_json::json!({ "status": "scan_triggered" })))
+}
diff --git a/compliance-agent/src/api/routes.rs b/compliance-agent/src/api/routes.rs
index a067366..3f1cf07 100644
--- a/compliance-agent/src/api/routes.rs
+++ b/compliance-agent/src/api/routes.rs
@@ -48,6 +48,10 @@ pub fn build_router() -> Router {
             "/api/v1/targets/{id}/detect",
             post(handlers::onboarding::detect_target),
         )
+        .route(
+            "/api/v1/targets/{id}/scan",
+            post(handlers::onboarding::trigger_target_scan),
+        )
         .route("/api/v1/findings", get(handlers::list_findings))
         .route("/api/v1/findings/{id}", get(handlers::get_finding))
         .route(
diff --git a/compliance-dashboard/src/infrastructure/onboarding.rs b/compliance-dashboard/src/infrastructure/onboarding.rs
index 09c2a05..df2380b 100644
--- a/compliance-dashboard/src/infrastructure/onboarding.rs
+++ b/compliance-dashboard/src/infrastructure/onboarding.rs
@@ -105,3 +105,19 @@ pub async fn fetch_applicable_scans(id: String) -> Result<ApplicableScansRespons
         .await
         .map_err(|e| ServerFnError::new(e.to_string()))
 }
+
+/// Trigger a scan for a target.
+#[server]
+pub async fn trigger_target_scan(id: String) -> Result<serde_json::Value, ServerFnError> {
+    let resp = super::agent_client::agent_request(
+        reqwest::Method::POST,
+        &format!("/api/v1/targets/{id}/scan"),
+    )
+    .await?
+    .send()
+    .await
+    .map_err(|e| ServerFnError::new(e.to_string()))?;
+    resp.json()
+        .await
+        .map_err(|e| ServerFnError::new(e.to_string()))
+}
diff --git a/compliance-dashboard/src/pages/onboarding.rs b/compliance-dashboard/src/pages/onboarding.rs
index ce18faa..5e8aaf6 100644
--- a/compliance-dashboard/src/pages/onboarding.rs
+++ b/compliance-dashboard/src/pages/onboarding.rs
@@ -2,7 +2,7 @@ use dioxus::prelude::*;
 
 use crate::components::page_header::PageHeader;
 use crate::infrastructure::onboarding::{
-    create_target, detect_target, fetch_applicable_scans, ArtifactInputDto,
+    create_target, detect_target, fetch_applicable_scans, trigger_target_scan, ArtifactInputDto,
 };
 
 /// (value, label, one-line description) for the 9 target families.
@@ -113,6 +113,8 @@ pub fn OnboardingPage() -> Element {
     let mut error = use_signal(|| Option::<String>::None);
     let mut scans = use_signal(Vec::<serde_json::Value>::new);
     let mut suggested = use_signal(|| Option::<String>::None);
+    let mut created_id = use_signal(|| Option::<String>::None);
+    let mut scan_msg = use_signal(|| Option::<String>::None);
 
     let step_now = step();
     let can_advance_type = !name().trim().is_empty() && !target_type().trim().is_empty();
@@ -290,7 +292,27 @@ pub fn OnboardingPage() -> Element {
                             ScanRow { scan: s }
                         }
                     }
-                    div { style: "margin-top: 16px;",
+                    if let Some(msg) = scan_msg() {
+                        div { style: "margin-top: 8px; color: var(--success, #2a2);", "{msg}" }
+                    }
+                    div { style: "margin-top: 16px; display: flex; gap: 8px;",
+                        button {
+                            class: "btn btn-primary",
+                            onclick: move |_| {
+                                if let Some(id) = created_id() {
+                                    scan_msg.set(Some("Scan triggered...".to_string()));
+                                    spawn(async move {
+                                        match trigger_target_scan(id).await {
+                                            Ok(_) => scan_msg.set(Some(
+                                                "Scan started — findings will appear as it runs.".to_string(),
+                                            )),
+                                            Err(e) => scan_msg.set(Some(format!("Failed to start scan: {e}"))),
+                                        }
+                                    });
+                                }
+                            },
+                            "Run scan"
+                        }
                         button {
                             class: "btn btn-secondary",
                             onclick: move |_| {
@@ -301,6 +323,8 @@ pub fn OnboardingPage() -> Element {
                                 artifacts.write().clear();
                                 scans.write().clear();
                                 suggested.set(None);
+                                created_id.set(None);
+                                scan_msg.set(None);
                                 error.set(None);
                             },
                             "Onboard another"
@@ -348,6 +372,7 @@ pub fn OnboardingPage() -> Element {
                                             .and_then(|s| s.as_str())
                                             .map(String::from);
                                         if let Some(id) = id {
+                                            created_id.set(Some(id.clone()));
                                             if let Ok(sc) = fetch_applicable_scans(id.clone()).await {
                                                 scans.set(sc.data.scans);
                                             }