diff --git a/README.md b/README.md
index a8a477b..98dbf3e 100644
--- a/README.md
+++ b/README.md
@@ -132,7 +132,6 @@ FAILED sedr/schemat.py::test_conformance[GET /conformance] - AssertionError: Con
 ======================== 1 failed, 21 passed in 95.89s (0:01:35) =========================
 ```
 
-
 ### Components
 
 Main components of the validator are:
@@ -150,7 +149,8 @@ Main components of the validator are:
 
 ## How to contribute
 
-Create an issue or start a discussion. Please do not contriute without discussing it first.
+Create an issue or start a discussion. Please do not contriute without
+discussing it first.
 
 ## Documentation Template
 
diff --git a/sedr/edreq11.py b/sedr/edreq11.py
index 9fcda48..523d65b 100644
--- a/sedr/edreq11.py
+++ b/sedr/edreq11.py
@@ -15,7 +15,7 @@
 ]
 
 
-def requirementA2_2_A5(jsondata: json) -> (bool, str):
+def requirementA2_2_A5(jsondata: str) -> tuple[bool, str]:
     """Check if the conformance page contains the required EDR classes.
 
     jsondata should be the "conformsTo"-part of the conformance page.
@@ -31,7 +31,7 @@ def requirementA2_2_A5(jsondata: json) -> (bool, str):
     return True, ""
 
 
-def requirementA2_2_A7(version: int) -> (bool, str):
+def requirementA2_2_A7(version: int) -> tuple[bool, str]:
     """Check if HTTP1.1 was used."""
     spec_url = "https://docs.ogc.org/is/19-086r6/19-086r6.html#_0d0c25a0-850f-2aa5-9acb-06efcc04d452"
     if version == 11:
@@ -40,7 +40,7 @@ def requirementA2_2_A7(version: int) -> (bool, str):
     return False, f"HTTP version 1.1 was not used. See <{spec_url}> for more info."
 
 
-def requirementA11_1(jsondata: json) -> (bool, str):
+def requirementA11_1(jsondata: str) -> tuple[bool, str]:
     """Check if the conformance page contains openapi classes, and that they match our version."""
     spec_url = "https://docs.ogc.org/is/19-086r6/19-086r6.html#_cc7dd5e3-1d54-41ff-b5ba-c5fcb99fa663"
 
diff --git a/sedr/schemat.py b/sedr/schemat.py
index 8be4e0d..1973194 100644
--- a/sedr/schemat.py
+++ b/sedr/schemat.py
@@ -18,6 +18,15 @@ def set_up_schemathesis(args):
     """Set up schemathesis."""
     if args.openapi_version == "3.1":
         schemathesis.experimental.OPEN_API_3_1.enable()
+
+    if args.openapi == "":
+        # Attempt to find schema automatically
+        args.openapi = util.locate_openapi_url(args.url)
+        if len(args.openapi) == 0:
+            raise AssertionError(
+                f"Unable to find openapi spec for API. Please supply manually with --openapi <url>"
+            )
+        util.logger.info("Found openapi spec: %s", args.openapi)
     return schemathesis.from_uri(args.openapi, base_url=args.url)
 
 
@@ -67,34 +76,19 @@ def test_landingpage(case):
     """Test that the landing page contains required elements."""
     spec_ref = "https://docs.ogc.org/is/19-072/19-072.html#_7c772474-7037-41c9-88ca-5c7e95235389"
     response = case.call()
-    landingpage_json = None
     try:
         landingpage_json = json.loads(response.text)
+        landing, landing_message = util.parse_landing_json(landingpage_json)
+        if not landing:
+            raise AssertionError(
+                f"Landing page is missing required elements. See <{spec_ref}> for more info. {landing_message}"
+            )
+
+        util.logger.debug("Landingpage %s tested OK", response.url)
     except json.decoder.JSONDecodeError as e:
-        util.logger.error("Landing page is not valid JSON.")
-        raise AssertionError(
-            f"Expected valid JSON but got {e}. See {spec_ref} for more info."
-        ) from e
-
-    if "title" not in landingpage_json:
-        util.logger.warning("Landing page does not contain a title.")
-    if "description" not in landingpage_json:
-        util.logger.warning("Landing page does not contain a description.")
-    assert (
-        "links" in landingpage_json
-    ), "Landing page does not contain links. See {spec_ref} for more info."
-    for link in landingpage_json["links"]:
-        assert isinstance(
-            link, dict
-        ), f"Link {link} is not a dictionary. See {spec_ref} for more info."
-        assert (
-            "href" in link
-        ), f"Link {link} does not have a href attribute. See {spec_ref} for more info."
-        assert (
-            "rel" in link
-        ), f"Link {link} does not have a rel attribute. See {spec_ref} for more info."
-
-    util.logger.debug("Landingpage %s tested OK", response.url)
+        util.logger.warning(
+            "Landing page is not valid JSON, other formats are not tested yet."
+        )
 
 
 @schema.include(path_regex="^" + util.args.base_path + "conformance").parametrize()
diff --git a/sedr/util.py b/sedr/util.py
index 04e14da..6568500 100644
--- a/sedr/util.py
+++ b/sedr/util.py
@@ -1,5 +1,6 @@
 import sys
 import logging
+import requests
 import schemathesis
 import argparse
 import json
@@ -14,13 +15,12 @@
 def parse_args() -> argparse.Namespace:
     """Parse arguments."""
     parser = argparse.ArgumentParser(description="schemathesis-edr")
-    parser.add_argument("-v", "--version", action='version',
-        version=f'{__version__}')
+    parser.add_argument("-v", "--version", action="version", version=f"{__version__}")
     parser.add_argument(
         "--openapi",
         type=str,
         help="URL to openapi spec for API",
-        default="https://edrisobaric.k8s.met.no/api",
+        default="",
     )
     parser.add_argument(
         "--url", type=str, help="URL to API", default="https://edrisobaric.k8s.met.no"
@@ -116,9 +116,8 @@ def parse_locations(jsondata):
     #         )
 
 
-def test_conformance_links(jsondata):
+def test_conformance_links(jsondata):  # pylint: disable=unused-argument
     """Test that all conformance links are valid and resolves.
-
     TODO: http://www.opengis.net/spec/ogcapi-common-2/1.0/conf/collections doesn't work, so postponing this.
     """
 
@@ -136,5 +135,45 @@ def test_conformance_links(jsondata):
     return True, ""
 
 
+def parse_landing_json(jsondata) -> tuple[bool, str]:
+    """Parse landing page if it is valid JSON."""
+    # See https://github.com/metno/sedr/issues/6
+    if "title" not in jsondata:
+        return False, "Landing page does not contain a title."
+    if "description" not in jsondata:
+        util.logger.warning("Landing page does not contain a description.")
+    if "links" not in jsondata:
+        return False, "Landing page does not contain links."
+    for link in jsondata["links"]:
+        if not isinstance(link, dict):
+            return False, f"Link {link} is not a dictionary."
+        if "href" not in link:
+            return False, f"Link {link} does not have a href attribute."
+        if "rel" not in link:
+            return False, f"Link {link} does not have a rel attribute."
+    return True, ""
+
+
+def locate_openapi_url(url: str) -> str:
+    """Locate the OpenAPI URL based on main URL."""
+    request = requests.get(url, timeout=10)
+
+    # Json
+    # See https://github.com/metno/sedr/issues/6
+    try:
+        if request.json():
+            for link in request.json()["links"]:
+                if link["rel"] == "service-desc":
+                    return link["href"]
+    except json.JSONDecodeError:
+        pass
+
+    # TODO:
+    # Html
+    # Yaml
+    # Xml
+    return ""
+
+
 args = parse_args()
 logger = set_up_logging(args=args, logfile=args.log_file)