diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0d45a1..b2c25d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,7 +13,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - End point county/code/{code}.
 - End point county/gridref/{gridref}.
 - id_difficulty to /verify response.
-- result to /verify response. This contains a string of ['pass'|'warn'|'fail'].
+- result to /verify and /validate response. This contains a string of
+  ['pass'|'warn'|'fail'].
 
 ### Changed
 - /validate and /verify to raise errors on taxon name/tvk of ''.
@@ -28,7 +29,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Removed
 - id_difficulty from /validate response.
-- ok from /verify response
+- ok from /verify and /validate response
 
 ## [1.0.0]
 
diff --git a/app/validate/validate_models.py b/app/validate/validate_models.py
index 9ea5584..270835e 100644
--- a/app/validate/validate_models.py
+++ b/app/validate/validate_models.py
@@ -15,5 +15,5 @@ class Validate(BaseModel):
 
 class Validated(Validate):
     preferred_tvk: Optional[str] = None
-    ok: bool = True
+    result: str = 'pass'
     messages: Optional[List[str]] = []
diff --git a/app/validate/validate_routes.py b/app/validate/validate_routes.py
index 245b696..0c5339a 100644
--- a/app/validate/validate_routes.py
+++ b/app/validate/validate_routes.py
@@ -46,71 +46,73 @@ async def validate(
     results = []
     for record in records:
         # Our response begins with the input data.
-        result = Validated(**record.model_dump())
+        validated = Validated(**record.model_dump())
 
         # As we are validating, try to return as many errors as we can find
         # to save human time.
         try:
             # 1. Confirm TVK/name is valid.
             if not record.tvk and not record.name:
-                result.ok = False
-                result.messages.append("TVK or name required.")
+                validated.result = 'fail'
+                validated.messages.append("TVK or name required.")
             else:
                 if record.tvk:
                     # Use TVK if provided as not ambiguous.
                     taxon = cache.get_taxon_by_tvk(db, env, record.tvk)
                     if not record.name:
-                        result.name = taxon.name
+                        validated.name = taxon.name
                     elif record.name != taxon.name:
-                        result.ok = False
-                        result.messages.append(
+                        validated.result = 'fail'
+                        validated.messages.append(
                             f"Name does not match TVK. Expected {taxon.name}.")
                 else:
                     # Otherwise use name.
                     taxon = cache.get_taxon_by_name(db, env, record.name)
-                    result.tvk = taxon.tvk
+                    validated.tvk = taxon.tvk
 
-                result.preferred_tvk = taxon.preferred_tvk
+                validated.preferred_tvk = taxon.preferred_tvk
 
         except Exception as e:
-            result.ok = False
-            result.messages.append(str(e))
+            validated.result = 'fail'
+            validated.messages.append(str(e))
 
         try:
             # 2. Confirm date is valid.
             vague_date = VagueDate(record.date)
             # Return date in preferred format.
-            result.date = str(vague_date)
+            validated.date = str(vague_date)
         except Exception as e:
-            result.ok = False
-            result.messages.append(str(e))
+            validated.result = 'fail'
+            validated.messages.append(str(e))
 
         try:
             # 3. Confirm sref is valid.
             sref = SrefFactory(record.sref)
-            # Include gridref in result.
-            result.sref.gridref = sref.gridref
+            # Include gridref in validated.
+            validated.sref.gridref = sref.gridref
 
             # 4a. Either check vice county...
             if record.vc is not None:
                 code = VcChecker.prepare_code(record.vc)
                 # Return code if name was supplied.
-                result.vc = code
+                validated.vc = code
                 gridref = VcChecker.prepare_sref(sref.gridref)
                 VcChecker.check(gridref, code)
             # 4b. Or assign vice county.
             else:
                 gridref = VcChecker.prepare_sref(sref.gridref)
-                result.vc = VcChecker.get_code_from_sref(gridref)
+                validated.vc = VcChecker.get_code_from_sref(gridref)
 
         except NoVcException as e:
-            # Failure to assign is not an error.
-            result.vc = '0'
-            result.messages.append(str(e))
+            # Failure to assign is a warning but must not override a fail.
+            validated.vc = None
+            if validated.result == 'pass':
+                validated.result = 'warn'
+            validated.messages.append(str(e))
         except Exception as e:
-            result.ok = False
-            result.messages.append(str(e))
+            validated.result = 'fail'
+            validated.messages.append(str(e))
 
-        results.append(result)
+        results.append(validated)
 
     return results
diff --git a/test/validate/test_validate.py b/test/validate/test_validate.py
index 7e7d26c..4c0cfd8 100644
--- a/test/validate/test_validate.py
+++ b/test/validate/test_validate.py
@@ -59,7 +59,7 @@ def test_syntactically_valid_record(self, client: TestClient, mocker):
         )
         assert response.status_code == 200
         validated = response.json()[0]
-        assert not validated['ok']
+        assert validated['result'] == 'fail'
         assert validated['messages'][0] == "TVK or name required."
         assert validated['messages'][1] == "Unrecognised date format."
         assert validated['messages'][2] == "Invalid spatial reference. A gridref must be provided."
@@ -89,7 +89,7 @@ def test_valid_record_accepted_tvk(self, client: TestClient, mocker):
         assert validated['date'] == "03/04/2024"
         assert validated['sref']['gridref'] == "TL123456"
         assert validated['preferred_tvk'] == "NBNSYS0000008319"
-        assert validated['ok']
+        assert validated['result'] == 'pass'
         assert len(validated['messages']) == 0
 
     def test_valid_record_common_tvk(self, client: TestClient, mocker):
@@ -117,7 +117,7 @@ def test_valid_record_common_tvk(self, client: TestClient, mocker):
         assert validated['date'] == "03/04/2024"
         assert validated['sref']['gridref'] == "TL123456"
         assert validated['preferred_tvk'] == "NBNSYS0000008319"
-        assert validated['ok']
+        assert validated['result'] == 'pass'
         assert len(validated['messages']) == 0
 
     def test_valid_record_accepted_name(self, client: TestClient, mocker):
@@ -144,7 +144,7 @@ def test_valid_record_accepted_name(self, client: TestClient, mocker):
         assert validated['date'] == "03/04/2024"
         assert validated['sref']['gridref'] == "TL123456"
         assert validated['preferred_tvk'] == "NBNSYS0000008319"
-        assert validated['ok']
+        assert validated['result'] == 'pass'
         assert len(validated['messages']) == 0
 
     def test_valid_record_common_name(self, client: TestClient, mocker):
@@ -171,7 +171,7 @@ def test_valid_record_common_name(self, client: TestClient, mocker):
         assert validated['date'] == "03/04/2024"
         assert validated['sref']['gridref'] == "TL123456"
         assert validated['preferred_tvk'] == "NBNSYS0000008319"
-        assert validated['ok']
+        assert validated['result'] == 'pass'
         assert len(validated['messages']) == 0
 
     def test_invalid_vc(self, client: TestClient, mocker):
@@ -200,7 +200,8 @@ def test_invalid_vc(self, client: TestClient, mocker):
         assert validated['date'] == "03/04/2024"
         assert validated['sref']['gridref'] == "TL123456"
         assert validated['vc'] == "1"
-        assert not validated['ok']
+        assert validated['result'] == 'fail'
+        assert len(validated['messages']) == 1
         assert validated['messages'][0] == "Sref not in vice county."
 
     def test_valid_vc(self, client: TestClient, mocker):
@@ -229,7 +230,7 @@ def test_valid_vc(self, client: TestClient, mocker):
         assert validated['date'] == "03/04/2024"
         assert validated['sref']['gridref'] == "TL123456"
         assert validated['vc'] == "30"
-        assert validated['ok']
+        assert validated['result'] == 'pass'
         assert len(validated['messages']) == 0
 
     def test_vc_assignment(self, client: TestClient, mocker):
@@ -257,7 +258,7 @@ def test_vc_assignment(self, client: TestClient, mocker):
         assert validated['date'] == "03/04/2024"
         assert validated['sref']['gridref'] == "TL123456"
         assert validated['vc'] == "30"
-        assert validated['ok']
+        assert validated['result'] == 'pass'
         assert len(validated['messages']) == 0
 
     def test_vc_no_assignment(self, client: TestClient, mocker):
@@ -284,7 +285,7 @@ def test_vc_no_assignment(self, client: TestClient, mocker):
         assert validated['name'] == "Adalia bipunctata"
         assert validated['date'] == "03/04/2024"
         assert validated['sref']['gridref'] == "TM999999"
-        assert validated['vc'] == '0'
-        assert validated['ok']
+        assert 'vc' not in validated
+        assert validated['result'] == 'warn'
         assert len(validated['messages']) == 1
         assert validated['messages'][0] == "No vice county found for gridref."