diff --git a/src/main/java/gov/nasa/pds/dsview/registry/Constants.java b/src/main/java/gov/nasa/pds/dsview/registry/Constants.java
index b530e3317..92a65a846 100644
--- a/src/main/java/gov/nasa/pds/dsview/registry/Constants.java
+++ b/src/main/java/gov/nasa/pds/dsview/registry/Constants.java
@@ -14,8 +14,8 @@
 
 package gov.nasa.pds.dsview.registry;
 
-import java.util.Map;
 import java.util.LinkedHashMap;
+import java.util.Map;
 /**
  * Class that holds constants used in ds-view.
  *
@@ -202,6 +202,7 @@ public class Constants {
 		bundlePds4ToSearch.put("TYPE", "bundle_type");
 		bundlePds4ToSearch.put("DESCRIPTION", "description");
 		bundlePds4ToSearch.put("SEARCH/ACCESS DATA", "resource_ref");
+        bundlePds4ToSearch.put("ACCESS BY API", "api_ref");
 	}
     	      
     public static final Map<String, String> bundleCitationPds4ToRegistry =
@@ -254,6 +255,7 @@ public class Constants {
 		collectionPds4ToSearch.put("TYPE", "collection_type");
 		collectionPds4ToSearch.put("DESCRIPTION", "description");
 		collectionPds4ToSearch.put("SEARCH/ACCESS DATA",  "resource_ref");
+        collectionPds4ToSearch.put("ACCESS BY API", "api_ref");
 	}
 	
   public static final Map<String, String> documentPds4ToSearch = new LinkedHashMap<String, String>();
diff --git a/src/main/webapp/pds/viewBundle.jsp b/src/main/webapp/pds/viewBundle.jsp
index 9376909de..4c5a6a4ea 100644
--- a/src/main/webapp/pds/viewBundle.jsp
+++ b/src/main/webapp/pds/viewBundle.jsp
@@ -139,6 +139,14 @@
                }
             } // end if (resourceRefs != null)
          }
+		 else if (tmpValue.equals("api_ref")) {
+			%>
+			<a href="https://pds.nasa.gov/api/search/1/products/<%=bundleLid%>" target="_new">View Bundle metadata</a><br>
+			<a href="https://pds.nasa.gov/api/search/1/products/<%=bundleLid%>/members" target="_new">View Bundle's Collections metadata</a><br>
+			<a href="https://pds.nasa.gov/api/search/1/products/<%=bundleLid%>/members/members" target="_new">View Bundle's Products metadata</a><br>
+			<a href="https://nasa-pds.github.io/pds-api/guides/search.html" target="_new">API Documentation</a><br />
+		   <%
+		 }
 		 else {
             //out.println("tmpValue = " + tmpValue + "<br>");
             List<String> values = pds4Search.getValues(doc, tmpValue);
diff --git a/src/main/webapp/pds/viewCollection.jsp b/src/main/webapp/pds/viewCollection.jsp
index e922dd270..164e27ff0 100644
--- a/src/main/webapp/pds/viewCollection.jsp
+++ b/src/main/webapp/pds/viewCollection.jsp
@@ -138,7 +138,13 @@
                   <%
                 }
             } // end if (resourceRefs != null)
-         } else {
+         } else if (tmpValue.equals("api_ref")) {
+		 %>
+		   <a href="https://pds.nasa.gov/api/search/1/products/<%=collectionLid%>" target="_new">View Collection metadata</a><br>
+		   <a href="https://pds.nasa.gov/api/search/1/products/<%=collectionLid%>/members" target="_new">View Collection's Products metadata</a><br>
+		   <a href="https://nasa-pds.github.io/pds-api/guides/search.html" target="_new">API Documentation</a><br />
+		   <%
+		 }  else {
             //out.println("tmpValue = " + tmpValue + "<br>");
             List<String> values = pds4Search.getValues(doc, tmpValue);
             if (values!=null) {