diff --git a/README.md b/README.md
index 07b9446..9729ae1 100644
--- a/README.md
+++ b/README.md
@@ -122,8 +122,7 @@ Return types based on implementation status of wrapped API endpoints
 
 ### <a name="coorgidentitylink"></a>[CoOrgIdentityLink API](https://spaces.at.internet2.edu/display/COmanage/CoOrgIdentityLink+API) (COmanage v4.0.0+)
 
-- `coorg_identity_links_add() -> dict`
-    - `### NOT IMPLEMENTED ###`
+- `coorg_identity_links_add(coperson_id: int, org_identity_id: int) -> dict`
     - Add a new CO Org Identity Link.
     - A person must have an Org Identity and a CO Person record before they can be linked.
     - Note that invitations are a separate operation.
diff --git a/comanage_api/__init__.py b/comanage_api/__init__.py
index 39118f1..d7b9af1 100644
--- a/comanage_api/__init__.py
+++ b/comanage_api/__init__.py
@@ -93,8 +93,8 @@ def __init__(self, co_api_url: str, co_api_user: str, co_api_pass: str, co_api_o
         self._s.auth = (self._CO_API_USER, self._CO_API_PASS)
 
     # CoOrgIdentityLink API
-    def coorg_identity_links_add(self):
-        return coorg_identity_links_add(self)
+    def coorg_identity_links_add(self, coperson_id: int, org_identity_id: int):
+        return coorg_identity_links_add(self, coperson_id=coperson_id, org_identity_id=org_identity_id)
 
     def coorg_identity_links_delete(self):
         return coorg_identity_links_delete(self)
diff --git a/comanage_api/_coorgidentitylinks.py b/comanage_api/_coorgidentitylinks.py
index 80d7b7a..a093184 100644
--- a/comanage_api/_coorgidentitylinks.py
+++ b/comanage_api/_coorgidentitylinks.py
@@ -5,8 +5,7 @@
 
 Methods
 -------
-coorg_identity_links_add() -> dict
-    ### NOT IMPLEMENTED ###
+coorg_identity_links_add(coperson_id: int, org_identity_id: int) -> dict
     Add a new CO Org Identity Link.
     A person must have an Org Identity and a CO Person record before they can be linked.
     Note that invitations are a separate operation.
@@ -27,20 +26,65 @@
 import json
 
 
-def coorg_identity_links_add(self) -> dict:
+def coorg_identity_links_add(self, coperson_id: int, org_identity_id: int) -> dict:
     """
-    ### NOT IMPLEMENTED ###
     Add a new CO Org Identity Link.
     A person must have an Org Identity and a CO Person record before they can be linked.
     Note that invitations are a separate operation.
 
-    :param self:
-    :return
-        501 Server Error: Not Implemented for url: mock://not_implemented_501.local:
+    coapi: COmanage API object
+    coperson_id: COmanage ID of CoPerson to link
+    orgidentity_id: COmanage ID of OrgIdentity to link
+    :request
+    {
+        "RequestType":"CoOrgIdentityLinks",
+        "Version":"1.0",
+        "CoOrgIdentityLinks":
+        [
+            {
+                "Version":"1.0",
+                "CoPersonId":"<CoPersonId>",
+                "OrgIdentityId":"<OrgIdentityId>"
+            }
+        ]
+    }:
+
+    Response Format
+        HTTP Status                  Response Body        Description
+        201  Added                   NewObjectResponse    CoOrgIdentityLink created
+        400  Bad Request                                  CoOrgIdentityLink Request not
+                                                            provided in POST body
+        400  Invalid Fields          ErrorResponse        An error in one or more
+                                                            provided fields
+        401  Unauthorized                                 Authentication required
+        403  COPerson Does Not Exist                      The specified CO Person does not exist
+        403  OrgIdentity Already Linked                   The specified Org Identity is already
+                                                            a member of this CO
+        403  OrgIdentity Does Not Exist                   The specified Org Identity does
+                                                            not exist
+        500  Other Error                                  Unknown error
     """
-    url = self._MOCK_501_URL
-    resp = self._mock_session.get(
-        url=url
+    post_body = {
+        "RequestType":"CoOrgIdentityLinks",
+        "Version":"1.0",
+        "CoOrgIdentityLinks":
+        [
+            {
+                "Version":"1.0",
+                "CoPersonId":"<CoPersonId>",
+                "OrgIdentityId":"<OrgIdentityId>"
+            }
+        ]
+    }
+
+    post_body['CoOrgIdentityLinks'][0]['CoPersonId'] = coperson_id
+    post_body['CoOrgIdentityLinks'][0]['OrgIdentityId'] = org_identity_id
+
+    post_body = json.dumps(post_body)
+    url = self._CO_API_URL + '/co_org_identity_links.json'
+    resp = self._s.post(
+        url=url,
+        data=post_body
     )
     if resp.status_code == 201:
         return json.loads(resp.text)
diff --git a/examples/coorg_identity_links_example.py b/examples/coorg_identity_links_example.py
index 52ff2bb..04425ad 100644
--- a/examples/coorg_identity_links_example.py
+++ b/examples/coorg_identity_links_example.py
@@ -12,14 +12,18 @@
 # must be set ahead of time and be valid within the CO
 IDENTITY_TYPE = 'orgidentityid'
 IDENTITY_ID = 190
+CO_PERSON_ID = 163
 
 # coorg_identity_links_add, coorg_identity_links_delete, coorg_identity_links_edit, \
 #     coorg_identity_links_view_all, coorg_identity_links_view_by_identity, coorg_identity_links_view_one
 
-# coorg_identity_links_add() -> dict
+# coorg_identity_links_add(coperson_id: int, org_identity_id: int) -> dict
 print('### coorg_identity_links_add')
 try:
-    new_coorg_identity_link = api.coorg_identity_links_add()
+    new_coorg_identity_link = api.coorg_identity_links_add(
+        coperson_id=CO_PERSON_ID,
+        org_identity_id=IDENTITY_ID
+    )
     print(json.dumps(new_coorg_identity_link, indent=4))
 except HTTPError as err:
     print('[ERROR] Exception caught')