diff --git a/app/main.py b/app/main.py
index 91176178..dce29b94 100644
--- a/app/main.py
+++ b/app/main.py
@@ -84,8 +84,18 @@ def custom_openapi():
     openapi_schema = get_openapi(
         title="pyagsapi - AGS File Utilities Tools and API",
         version="4.5.0",
-        description=("The API performs schema validation, data validation and conversion of your AGS files. "
+        description=("The API performs schema validation, data validation and conversion of your AGS files. It also exports a graphical log from AGS data held by NGDC"
                      "Schema validation and conversion uses https://gitlab.com/ags-data-format-wg/ags-python-library"),
+        terms_of_service="https://www.bgs.ac.uk/legal-and-policy/terms-of-use/",
+        contact={
+            "name": "BGS Enquiries",
+            "url": "https://www.bgs.ac.uk/about-bgs/contact-us/",
+            "email": "enquiries@bgs.ac.uk",
+        },
+        license_info={
+            "name": "Open Government Licence v3",
+            "url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
+        },             
         routes=app.routes,
     )
     openapi_schema["info"]["x-logo"] = {
@@ -95,6 +105,32 @@ def custom_openapi():
     app.openapi_schema = openapi_schema
     return app.openapi_schema
 
+tags_metadata = [
+    {
+        "name": "validate",
+        "description": "Validate an AGS4 file to the AGS File Format v4.x rules and the NGDC data submission requirements. Uses the Offical AGS4 Python Library.",
+        "externalDocs": {
+            "description": "Official AGS4 Python Library",
+            "url": "https://gitlab.com/ags-data-format-wg/ags-python-library",
+        },
+    },
+    {
+        "name": "convert",
+        "description": "Convert files between .ags and .xlsx format. Option to sort worksheets in .xlsx file in alphabetical order. ",
+        "externalDocs": {
+            "description": "Official AGS4 Python Library",
+            "url": "https://gitlab.com/ags-data-format-wg/ags-python-library",
+        },
+    },
+    {
+        "name": "ags_log",
+        "description": "Generate a graphical log (.pdf) from AGS data held by the National Geoscience Data Centre.",
+        "externalDocs": {
+            "description": "NGDC AGS Data",
+            "url": "https://ogcapi.bgs.ac.uk/collections/agsboreholeindex",
+        },
+    },
+]
 
 app.openapi = custom_openapi
 
diff --git a/app/routes.py b/app/routes.py
index 6dc2aba1..8f5f3a9b 100644
--- a/app/routes.py
+++ b/app/routes.py
@@ -117,6 +117,7 @@ class ResponseType(StrEnum):
 
 
 @router.post("/validate/",
+             tags=["validate"],
              response_model=ValidationResponse,
              responses=log_responses)
 async def validate(background_tasks: BackgroundTasks,
@@ -161,6 +162,7 @@ async def validate(background_tasks: BackgroundTasks,
 
 
 @router.post("/convert/",
+             tags=["convert"],
              response_class=StreamingResponse,
              responses=zip_responses)
 async def convert(background_tasks: BackgroundTasks,
@@ -208,6 +210,7 @@ def prepare_validation_response(request, data):
 
 
 @router.get("/ags_log/",
+            tags=["ags_log"],
             response_class=Response,
             responses=pdf_responses)
 def get_ags_log(bgs_loca_id: int = ags_log_query,