diff --git a/CHANGELOG.md b/CHANGELOG.md
index eadc7a4d..5031b4b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## NEXT RELEASE
 
-- Adds `register` function to CarrierAccount for carriers with custom registration such as FedEx or UPS
+- [ADDED] `create` function for CarrierAccount now supports carrier accounts with custom workflows (e.g. FedEx, UPS)
 
 ## v7.6.1 (2022-10-24)
 
diff --git a/easypost/carrier_account.py b/easypost/carrier_account.py
index aa4dbbe0..b0d61ea8 100644
--- a/easypost/carrier_account.py
+++ b/easypost/carrier_account.py
@@ -1,8 +1,10 @@
 from typing import (
+    Any,
     List,
     Optional,
 )
 
+from easypost.constant import _CARRIER_ACCOUNT_TYPES_WITH_CUSTOM_WORKFLOWS
 from easypost.easypost_object import convert_to_easypost_object
 from easypost.requestor import (
     RequestMethod,
@@ -16,6 +18,14 @@
 )
 
 
+def _select_carrier_account_creation_endpoint(carrier_account_type: Optional[Any]) -> str:
+    """Determines which API endpoint to use for the creation call."""
+    if carrier_account_type in _CARRIER_ACCOUNT_TYPES_WITH_CUSTOM_WORKFLOWS:
+        return "/carrier_accounts/register"
+
+    return "/carrier_accounts"
+
+
 class CarrierAccount(AllResource, CreateResource, UpdateResource, DeleteResource):
     @classmethod
     def types(cls, api_key: Optional[str] = None) -> List[str]:
@@ -24,11 +34,18 @@ def types(cls, api_key: Optional[str] = None) -> List[str]:
         response, api_key = requestor.request(method=RequestMethod.GET, url="/carrier_types")
         return convert_to_easypost_object(response=response, api_key=api_key)
 
+    # Overrides CreateResource.create
     @classmethod
-    def register(cls, api_key: Optional[str] = None, **params) -> "CarrierAccount":
+    def create(cls, api_key: Optional[str] = None, **params) -> "CarrierAccount":
         """Creates a Carrier Account that requires custom registration (eg: FedEx & UPS)."""
         requestor = Requestor(local_api_key=api_key)
-        url = f"{cls.class_url()}/register"
+
+        carrier_account_type = params.get("type")
+
+        if carrier_account_type is None:
+            raise ValueError("Missing required parameter 'type'")
+
+        url = _select_carrier_account_creation_endpoint(carrier_account_type=carrier_account_type)
         wrapped_params = {cls.snakecase_name(): params}
         response, api_key = requestor.request(method=RequestMethod.POST, url=url, params=wrapped_params)
         return convert_to_easypost_object(response=response, api_key=api_key)
diff --git a/easypost/constant.py b/easypost/constant.py
index f2b2be3e..2aaa0337 100644
--- a/easypost/constant.py
+++ b/easypost/constant.py
@@ -1,2 +1,7 @@
 SUPPORT_EMAIL = "support@easypost.com"
 TIMEOUT = 60
+
+_CARRIER_ACCOUNT_TYPES_WITH_CUSTOM_WORKFLOWS = [
+    "FedexAccount",
+    "UpsAccount",
+]
diff --git a/tests/cassettes/test_carrier_account_register.yaml b/tests/cassettes/test_carrier_account_create_with_custom_workflow.yaml
similarity index 93%
rename from tests/cassettes/test_carrier_account_register.yaml
rename to tests/cassettes/test_carrier_account_create_with_custom_workflow.yaml
index 3a6ca579..8e0c17e3 100644
--- a/tests/cassettes/test_carrier_account_register.yaml
+++ b/tests/cassettes/test_carrier_account_create_with_custom_workflow.yaml
@@ -56,7 +56,7 @@ interactions:
       x-download-options:
       - noopen
       x-ep-request-uuid:
-      - 513791bf636437fee789f242001139c3
+      - d96d15af637d449aec7b4a81006202bc
       x-frame-options:
       - SAMEORIGIN
       x-node:
@@ -64,12 +64,12 @@ interactions:
       x-permitted-cross-domain-policies:
       - none
       x-proxied:
-      - intlb1nuq 29913d444b
-      - extlb1nuq 29913d444b
+      - intlb2nuq 29913d444b
+      - extlb2nuq 29913d444b
       x-runtime:
-      - '0.038035'
+      - '0.034429'
       x-version-label:
-      - easypost-202211032002-79b51b1468-master
+      - easypost-202211222057-6fd042c9a6-master
       x-xss-protection:
       - 1; mode=block
     status:
diff --git a/tests/test_carrier_account.py b/tests/test_carrier_account.py
index 84af650e..14775743 100644
--- a/tests/test_carrier_account.py
+++ b/tests/test_carrier_account.py
@@ -66,7 +66,7 @@ def test_carrier_account_type(prod_api_key):
 
 
 @pytest.mark.vcr()
-def test_carrier_account_register(prod_api_key):
+def test_carrier_account_create_with_custom_workflow(prod_api_key):
     """Test register a Carrier Account with custom registration such as FedEx or UPS.
 
     We purposefully don't pass data here because real data is required for this endpoint
@@ -78,7 +78,7 @@ def test_carrier_account_register(prod_api_key):
     }
 
     try:
-        easypost.CarrierAccount.register(**carrier_account)
+        easypost.CarrierAccount.create(**carrier_account)
     except easypost.Error as error:
         # TODO: Assert against error.errors when that property gets added
         assert '{"field": "account_number", "message": "must be present and a string"}' in error.http_body