diff --git a/src/main/java/org/gbif/api/vocabulary/EndpointType.java b/src/main/java/org/gbif/api/vocabulary/EndpointType.java
index 0f75fb2bc2..d09b12fbee 100644
--- a/src/main/java/org/gbif/api/vocabulary/EndpointType.java
+++ b/src/main/java/org/gbif/api/vocabulary/EndpointType.java
@@ -95,6 +95,16 @@ public enum EndpointType {
    */
   BIOM_2_1,
 
+  /**
+   * <a href="https://www.checklistbank.org/about/formats#annual-checklist-exchange-format-acef">Annual Checklist Exchange Format (ACEF)</a>
+   * from the Catalogue of Life.
+   */
+  ACEF,
+  /**
+   * <a href="https://github.com/gbif/text-tree">TextTree</a>.
+   * is a simple format to represent taxonomic trees using indented, plain text.
+   */
+  TEXT_TREE,
   /**
    * Any other service not covered by this enum so far.
    */
diff --git a/src/main/java/org/gbif/api/vocabulary/IdentifierType.java b/src/main/java/org/gbif/api/vocabulary/IdentifierType.java
index 59d552e76f..32bdeba13b 100644
--- a/src/main/java/org/gbif/api/vocabulary/IdentifierType.java
+++ b/src/main/java/org/gbif/api/vocabulary/IdentifierType.java
@@ -104,7 +104,13 @@ public enum IdentifierType {
   /**
    * https://www.ncbi.nlm.nih.gov/
    */
-  NCBI_BIOCOLLECTION;
+  NCBI_BIOCOLLECTION,
+
+  /**
+   * ChecklistBank dataset keys (integer)
+   * https://www.checklistbank.org/dataset
+   */
+  CLB_DATASET_KEY;
 
   // TODO: Check if this is used, it didn't exist in the new Registry2 API, but I preserved it from the old vocabulary
   public static final List<IdentifierType> TYPES;
diff --git a/src/test/java/org/gbif/api/vocabulary/IdentifierTypeTest.java b/src/test/java/org/gbif/api/vocabulary/IdentifierTypeTest.java
index 3358fcaba6..bbe9c31c29 100644
--- a/src/test/java/org/gbif/api/vocabulary/IdentifierTypeTest.java
+++ b/src/test/java/org/gbif/api/vocabulary/IdentifierTypeTest.java
@@ -50,7 +50,7 @@ public void testGuessing() {
   @Test
   public void testTypes() {
     List<IdentifierType> identifierTypes = IdentifierType.TYPES;
-    assertEquals(20, identifierTypes.size());
+    assertEquals(21, identifierTypes.size());
   }
 
 }