diff --git a/src/main/java/org/qortal/api/resource/AddressesResource.java b/src/main/java/org/qortal/api/resource/AddressesResource.java
index d0937fde..beb73734 100644
--- a/src/main/java/org/qortal/api/resource/AddressesResource.java
+++ b/src/main/java/org/qortal/api/resource/AddressesResource.java
@@ -326,11 +326,8 @@ public class AddressesResource {
 			)
 		}
 	)
-	@ApiErrors({ApiError.INVALID_PUBLIC_KEY, ApiError.NON_PRODUCTION, ApiError.REPOSITORY_ISSUE})
+	@ApiErrors({ApiError.INVALID_PUBLIC_KEY, ApiError.REPOSITORY_ISSUE})
 	public String fromPublicKey(@PathParam("publickey") String publicKey58) {
-		if (Settings.getInstance().isApiRestricted())
-			throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.NON_PRODUCTION);
-
 		// Decode public key
 		byte[] publicKey;
 		try {
diff --git a/src/main/java/org/qortal/settings/Settings.java b/src/main/java/org/qortal/settings/Settings.java
index f18ccd88..14252840 100644
--- a/src/main/java/org/qortal/settings/Settings.java
+++ b/src/main/java/org/qortal/settings/Settings.java
@@ -272,7 +272,8 @@ public class Settings {
 	private String[] bootstrapHosts = new String[] {
 		"http://bootstrap.qortal.org",
 		"http://bootstrap2.qortal.org",
-		"http://bootstrap3.qortal.org"
+		"http://bootstrap3.qortal.org",
+		"http://bootstrap4.qortal.org"
 	};
 
 	// Auto-update sources