diff --git a/packages/nodes-base/credentials/CustomerIoApi.credentials.ts b/packages/nodes-base/credentials/CustomerIoApi.credentials.ts
index 35c2a90e73e..8f8a0e101f8 100644
--- a/packages/nodes-base/credentials/CustomerIoApi.credentials.ts
+++ b/packages/nodes-base/credentials/CustomerIoApi.credentials.ts
@@ -65,13 +65,21 @@ export class CustomerIoApi implements ICredentialType {
 	): Promise<IHttpRequestOptions> {
 		// @ts-ignore
 		const url = new URL(requestOptions.url ? requestOptions.url : requestOptions.uri);
-		if (url.hostname === 'track.customer.io' || url.hostname === 'api.customer.io') {
+		if (
+			url.hostname === 'track.customer.io' ||
+			url.hostname === 'track-eu.customer.io' ||
+			url.hostname === 'api.customer.io' ||
+			url.hostname === 'api-eu.customer.io'
+		) {
 			const basicAuthKey = Buffer.from(
 				`${credentials.trackingSiteId}:${credentials.trackingApiKey}`,
 			).toString('base64');
 			// @ts-ignore
 			Object.assign(requestOptions.headers, { Authorization: `Basic ${basicAuthKey}` });
-		} else if (url.hostname === 'beta-api.customer.io') {
+		} else if (
+			url.hostname === 'beta-api.customer.io' ||
+			url.hostname === 'beta-api-eu.customer.io'
+		) {
 			// @ts-ignore
 			Object.assign(requestOptions.headers, {
 				Authorization: `Bearer ${credentials.appApiKey as string}`,