From 58212a900eee5cca687528c51029decaf6f60d3e Mon Sep 17 00:00:00 2001
From: Vincent Pochet <vincent@getlago.com>
Date: Thu, 19 Mar 2026 10:55:38 +0100
Subject: [PATCH] misc(customer): Expose error_details on API

---
 lago_python_client/models/customer.py     |  2 ++
 lago_python_client/models/error_detail.py |  2 +-
 tests/fixtures/customer.json              | 24 +++++++++++++----------
 tests/fixtures/invoice.json               | 11 ++++++++---
 4 files changed, 25 insertions(+), 14 deletions(-)

diff --git a/lago_python_client/models/customer.py b/lago_python_client/models/customer.py
index 2b979127..8919b98a 100644
--- a/lago_python_client/models/customer.py
+++ b/lago_python_client/models/customer.py
@@ -3,6 +3,7 @@
 from lago_python_client.base_model import BaseModel
 
 from ..base_model import BaseResponseModel
+from .error_detail import ErrorDetailsResponse
 from .invoice_custom_section import InvoiceCustomSectionsResponseList
 from .tax import TaxesResponse
 
@@ -145,3 +146,4 @@ class CustomerResponse(BaseResponseModel):
     skip_invoice_custom_sections: Optional[bool]
     applicable_invoice_custom_sections: Optional[InvoiceCustomSectionsResponseList]
     billing_entity_code: Optional[str]
+    error_details: Optional[ErrorDetailsResponse]
diff --git a/lago_python_client/models/error_detail.py b/lago_python_client/models/error_detail.py
index b6666967..d095678b 100644
--- a/lago_python_client/models/error_detail.py
+++ b/lago_python_client/models/error_detail.py
@@ -6,7 +6,7 @@
 
 
 class ErrorDetailResponse(BaseModel):
-    organization_id: str
+    lago_id: str
     error_code: str
     details: Optional[Dict[str, Any]]
 
diff --git a/tests/fixtures/customer.json b/tests/fixtures/customer.json
index 74b9b0c7..87908257 100644
--- a/tests/fixtures/customer.json
+++ b/tests/fixtures/customer.json
@@ -36,10 +36,7 @@
       "provider_customer_id": "cus_12345",
       "sync_with_provider": true,
       "document_locale": "fr",
-      "provider_payment_methods": [
-        "card",
-        "sepa_debit"
-      ]
+      "provider_payment_methods": ["card", "sepa_debit"]
     },
     "shipping_address": {
       "city": "Paris",
@@ -84,12 +81,19 @@
     ],
     "applicable_invoice_custom_sections": [
       {
-          "lago_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
-          "name": "custom_section_name",
-          "code": "custom_section_code",
-          "description": "custom_section_description",
-          "details": "custom_section_details",
-          "display_name": "custom_section_display_name"
+        "lago_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
+        "name": "custom_section_name",
+        "code": "custom_section_code",
+        "description": "custom_section_description",
+        "details": "custom_section_details",
+        "display_name": "custom_section_display_name"
+      }
+    ],
+    "error_details": [
+      {
+        "lago_id": "4c904c90-4c90-4c90-4c90-4c904c904c90",
+        "error_code": "tax_error",
+        "details": { "tax_error": ["customerAddressCouldNotResolve: Service failure"] }
       }
     ]
   }
diff --git a/tests/fixtures/invoice.json b/tests/fixtures/invoice.json
index d0d2fd21..a9720db3 100644
--- a/tests/fixtures/invoice.json
+++ b/tests/fixtures/invoice.json
@@ -144,9 +144,7 @@
           "name": "User Seats",
           "invoice_display_name": "charge_invoice_display_name",
           "filters": {
-            "region": [
-              "us-east-1"
-            ]
+            "region": ["us-east-1"]
           }
         },
         "amount_cents": 100,
@@ -184,6 +182,13 @@
           "name": "Free Beer"
         }
       }
+    ],
+    "error_details": [
+      {
+        "lago_id": "4c904c90-4c90-4c90-4c90-4c904c904c90",
+        "error_code": "tax_error",
+        "details": { "tax_error": ["customerAddressCouldNotResolve: Service failure"] }
+      }
     ]
   }
 }