diff --git a/nodes/_utils.js b/nodes/_utils.js
index 14a0f7d..2a65c37 100644
--- a/nodes/_utils.js
+++ b/nodes/_utils.js
@@ -67,29 +67,35 @@ async function handleDatalinkAutoComplete(RED, req, res) {
 
     // Try to get the node, but it might not exist yet if this is a new node
     let node = RED.nodes.getNode(nodeId);
-    let seqeraConfigId = null;
+    let seqeraConfigId = req.query.seqeraConfig || req.body?.seqeraConfig;
     let baseUrl = "https://api.cloud.seqera.io";
     let workspaceId = null;
+    let credentials = null;
 
     if (node && node.seqeraConfig) {
-      // Node exists and has config
+      // Node exists and has config - use deployed node's config
       seqeraConfigId = node.seqeraConfig.id;
       baseUrl = node.seqeraConfig.baseUrl || baseUrl;
       workspaceId = node.seqeraConfig.workspaceId;
+      credentials = node.seqeraConfig.credentials;
 
       // Check for workspace ID override in the node configuration
       if (node.workspaceIdProp && node.workspaceIdPropType === "str" && node.workspaceIdProp.trim()) {
         workspaceId = node.workspaceIdProp;
       }
-    } else {
-      // Try to get config ID from request body or query params
-      seqeraConfigId = req.query.seqeraConfig || req.body?.seqeraConfig;
-      if (seqeraConfigId) {
-        const configNode = RED.nodes.getNode(seqeraConfigId);
-        if (configNode) {
-          baseUrl = configNode.baseUrl || baseUrl;
-          workspaceId = configNode.workspaceId;
-        }
+    } else if (seqeraConfigId) {
+      // Try to get deployed config node
+      const configNode = RED.nodes.getNode(seqeraConfigId);
+      if (configNode) {
+        baseUrl = configNode.baseUrl || baseUrl;
+        workspaceId = configNode.workspaceId;
+        credentials = configNode.credentials;
+      } else {
+        // Config node not deployed - use query params for baseUrl/workspaceId
+        // and look up saved credentials by config node ID
+        baseUrl = req.query.baseUrl || baseUrl;
+        workspaceId = req.query.workspaceId || null;
+        credentials = RED.nodes.getCredentials(seqeraConfigId);
       }
     }
 
@@ -102,16 +108,16 @@ async function handleDatalinkAutoComplete(RED, req, res) {
       return res.json([]); // Return empty array instead of error for better UX
     }
 
-    // Create a temporary node-like object for apiCall if we don't have a real node
-    const nodeForApi = node || {
-      seqeraConfig: RED.nodes.getNode(seqeraConfigId),
+    if (!credentials || !credentials.token) {
+      return res.json([]); // No credentials available
+    }
+
+    // Create a temporary node-like object for apiCall
+    const nodeForApi = {
+      seqeraConfig: { credentials },
       warn: () => {}, // Dummy warn function
     };
 
-    if (!nodeForApi.seqeraConfig) {
-      return res.json([]);
-    }
-
     // Build the data-links API URL with search parameter
     const params = new URLSearchParams({ workspaceId });
     if (search) {
diff --git a/nodes/datalink-list.html b/nodes/datalink-list.html
index ddaee67..717a24f 100644
--- a/nodes/datalink-list.html
+++ b/nodes/datalink-list.html
@@ -180,16 +180,25 @@
                   return;
                 }
 
+                // Get config node from editor (works for undeployed nodes)
+                const configNode = RED.nodes.node(seqeraConfigId);
+
                 const params = new URLSearchParams({
                   search: value,
                   seqeraConfig: seqeraConfigId,
                 });
 
-                // Add workspace ID override if configured
+                // Pass config values for undeployed nodes
+                if (configNode) {
+                  if (configNode.baseUrl) params.append("baseUrl", configNode.baseUrl);
+                  if (configNode.workspaceId) params.append("workspaceId", configNode.workspaceId);
+                }
+
+                // Add workspace ID override if configured (takes precedence)
                 const workspaceIdOverride = $("#node-input-workspaceId").typedInput("value");
                 const workspaceIdType = $("#node-input-workspaceId").typedInput("type");
                 if (workspaceIdType === "str" && workspaceIdOverride && workspaceIdOverride.trim()) {
-                  params.append("workspaceId", workspaceIdOverride);
+                  params.set("workspaceId", workspaceIdOverride);
                 }
 
                 $.ajax({
diff --git a/nodes/datalink-poll.html b/nodes/datalink-poll.html
index 356a612..9dbd58e 100644
--- a/nodes/datalink-poll.html
+++ b/nodes/datalink-poll.html
@@ -231,16 +231,25 @@
                   return;
                 }
 
+                // Get config node from editor (works for undeployed nodes)
+                const configNode = RED.nodes.node(seqeraConfigId);
+
                 const params = new URLSearchParams({
                   search: value,
                   seqeraConfig: seqeraConfigId,
                 });
 
-                // Add workspace ID override if configured
+                // Pass config values for undeployed nodes
+                if (configNode) {
+                  if (configNode.baseUrl) params.append("baseUrl", configNode.baseUrl);
+                  if (configNode.workspaceId) params.append("workspaceId", configNode.workspaceId);
+                }
+
+                // Add workspace ID override if configured (takes precedence)
                 const workspaceIdOverride = $("#node-input-workspaceId").typedInput("value");
                 const workspaceIdType = $("#node-input-workspaceId").typedInput("type");
                 if (workspaceIdType === "str" && workspaceIdOverride && workspaceIdOverride.trim()) {
-                  params.append("workspaceId", workspaceIdOverride);
+                  params.set("workspaceId", workspaceIdOverride);
                 }
 
                 $.ajax({
diff --git a/nodes/workflow-launch.html b/nodes/workflow-launch.html
index 96717b9..712dc39 100644
--- a/nodes/workflow-launch.html
+++ b/nodes/workflow-launch.html
@@ -204,16 +204,25 @@
                   return;
                 }
 
+                // Get config node from editor (works for undeployed nodes)
+                const configNode = RED.nodes.node(seqeraConfigId);
+
                 const params = new URLSearchParams({
                   search: value,
                   seqeraConfig: seqeraConfigId,
                 });
 
-                // Add workspace ID override if configured
+                // Pass config values for undeployed nodes
+                if (configNode) {
+                  if (configNode.baseUrl) params.append("baseUrl", configNode.baseUrl);
+                  if (configNode.workspaceId) params.append("workspaceId", configNode.workspaceId);
+                }
+
+                // Add workspace ID override if configured (takes precedence)
                 const workspaceIdOverride = $("#node-input-workspaceId").typedInput("value");
                 const workspaceIdType = $("#node-input-workspaceId").typedInput("type");
                 if (workspaceIdType === "str" && workspaceIdOverride && workspaceIdOverride.trim()) {
-                  params.append("workspaceId", workspaceIdOverride);
+                  params.set("workspaceId", workspaceIdOverride);
                 }
 
                 $.ajax({
diff --git a/nodes/workflow-launch.js b/nodes/workflow-launch.js
index 1709ea9..ddd0e2c 100644
--- a/nodes/workflow-launch.js
+++ b/nodes/workflow-launch.js
@@ -7,29 +7,35 @@ module.exports = function (RED) {
 
       // Try to get the node, but it might not exist yet if this is a new node
       let node = RED.nodes.getNode(nodeId);
-      let seqeraConfigId = null;
+      let seqeraConfigId = req.query.seqeraConfig || req.body?.seqeraConfig;
       let baseUrl = "https://api.cloud.seqera.io";
       let workspaceId = null;
+      let credentials = null;
 
       if (node && node.seqeraConfig) {
-        // Node exists and has config
+        // Node exists and has config - use deployed node's config
         seqeraConfigId = node.seqeraConfig.id;
         baseUrl = node.seqeraConfig.baseUrl || baseUrl;
         workspaceId = node.seqeraConfig.workspaceId;
+        credentials = node.seqeraConfig.credentials;
 
         // Check for workspace ID override in the node configuration
         if (node.workspaceIdProp && node.workspaceIdPropType === "str" && node.workspaceIdProp.trim()) {
           workspaceId = node.workspaceIdProp;
         }
-      } else {
-        // Try to get config ID from request body or query params
-        seqeraConfigId = req.query.seqeraConfig || req.body?.seqeraConfig;
-        if (seqeraConfigId) {
-          const configNode = RED.nodes.getNode(seqeraConfigId);
-          if (configNode) {
-            baseUrl = configNode.baseUrl || baseUrl;
-            workspaceId = configNode.workspaceId;
-          }
+      } else if (seqeraConfigId) {
+        // Try to get deployed config node
+        const configNode = RED.nodes.getNode(seqeraConfigId);
+        if (configNode) {
+          baseUrl = configNode.baseUrl || baseUrl;
+          workspaceId = configNode.workspaceId;
+          credentials = configNode.credentials;
+        } else {
+          // Config node not deployed - use query params for baseUrl/workspaceId
+          // and look up saved credentials by config node ID
+          baseUrl = req.query.baseUrl || baseUrl;
+          workspaceId = req.query.workspaceId || null;
+          credentials = RED.nodes.getCredentials(seqeraConfigId);
         }
       }
 
@@ -42,16 +48,16 @@ module.exports = function (RED) {
         return res.json([]); // Return empty array instead of error for better UX
       }
 
-      // Create a temporary node-like object for apiCall if we don't have a real node
-      const nodeForApi = node || {
-        seqeraConfig: RED.nodes.getNode(seqeraConfigId),
+      if (!credentials || !credentials.token) {
+        return res.json([]); // No credentials available
+      }
+
+      // Create a temporary node-like object for apiCall
+      const nodeForApi = {
+        seqeraConfig: { credentials },
         warn: () => {}, // Dummy warn function
       };
 
-      if (!nodeForApi.seqeraConfig) {
-        return res.json([]);
-      }
-
       const { apiCall } = require("./_utils");
 
       // Build the pipelines API URL