diff --git a/pdm.lock b/pdm.lock
index 3317215..d4e7dcf 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -5,7 +5,7 @@
 groups = ["default", "dev", "lint", "nb", "tests"]
 strategy = ["inherit_metadata"]
 lock_version = "4.5.0"
-content_hash = "sha256:885e3394c643713ef42f67767d3bf572bc513d882effd594e3cec14db665aa79"
+content_hash = "sha256:052435ec6c320b4865368e5fc5bd8dc57dd4bdeb17e5ba811a4304fcc170dd65"
 
 [[metadata.targets]]
 requires_python = ">=3.11"
@@ -15,7 +15,7 @@ name = "annotated-types"
 version = "0.7.0"
 requires_python = ">=3.8"
 summary = "Reusable constraint types to use with typing.Annotated"
-groups = ["dev"]
+groups = ["default", "dev"]
 dependencies = [
     "typing-extensions>=4.0.0; python_version < \"3.9\"",
 ]
@@ -250,7 +250,7 @@ name = "certifi"
 version = "2025.1.31"
 requires_python = ">=3.6"
 summary = "Python package for providing Mozilla's CA Bundle."
-groups = ["dev", "nb"]
+groups = ["default", "dev", "nb"]
 files = [
     {file = "certifi-2025.1.31-py3-none-any.whl", hash = "sha256:ca78db4565a652026a4db2bcdf68f2fb589ea80d0be70e03929ed730746b84fe"},
     {file = "certifi-2025.1.31.tar.gz", hash = "sha256:3d5da6925056f6f18f119200434a4780a94263f10d1c21d032a6f6b2baa20651"},
@@ -308,7 +308,7 @@ name = "charset-normalizer"
 version = "3.4.1"
 requires_python = ">=3.7"
 summary = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
-groups = ["nb"]
+groups = ["default", "nb"]
 files = [
     {file = "charset_normalizer-3.4.1-cp311-cp311-macosx_10_9_universal2.whl", hash = "sha256:8bfa33f4f2672964266e940dd22a195989ba31669bd84629f05fab3ef4e2d125"},
     {file = "charset_normalizer-3.4.1-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:28bf57629c75e810b6ae989f03c0828d64d6b26a5e205535585f96093e405ed1"},
@@ -685,7 +685,7 @@ name = "idna"
 version = "3.10"
 requires_python = ">=3.6"
 summary = "Internationalized Domain Names in Applications (IDNA)"
-groups = ["dev", "nb"]
+groups = ["default", "dev", "nb"]
 files = [
     {file = "idna-3.10-py3-none-any.whl", hash = "sha256:946d195a0d259cbba61165e88e65941f16e9b36ea6ddb97f00452bae8b1287d3"},
     {file = "idna-3.10.tar.gz", hash = "sha256:12f65c9b470abda6dc35cf8e63cc574b1c52b11df2c86030af0ac09b01b13ea9"},
@@ -1613,7 +1613,7 @@ name = "pydantic"
 version = "2.10.6"
 requires_python = ">=3.8"
 summary = "Data validation using Python type hints"
-groups = ["dev"]
+groups = ["default", "dev"]
 dependencies = [
     "annotated-types>=0.6.0",
     "pydantic-core==2.27.2",
@@ -1629,7 +1629,7 @@ name = "pydantic-core"
 version = "2.27.2"
 requires_python = ">=3.8"
 summary = "Core functionality for Pydantic validation and serialization"
-groups = ["dev"]
+groups = ["default", "dev"]
 dependencies = [
     "typing-extensions!=4.7.0,>=4.6.0",
 ]
@@ -1966,7 +1966,7 @@ name = "requests"
 version = "2.32.3"
 requires_python = ">=3.8"
 summary = "Python HTTP for Humans."
-groups = ["nb"]
+groups = ["default", "nb"]
 dependencies = [
     "certifi>=2017.4.17",
     "charset-normalizer<4,>=2",
@@ -2406,7 +2406,7 @@ name = "urllib3"
 version = "2.3.0"
 requires_python = ">=3.9"
 summary = "HTTP library with thread-safe connection pooling, file post, and more."
-groups = ["nb"]
+groups = ["default", "nb"]
 files = [
     {file = "urllib3-2.3.0-py3-none-any.whl", hash = "sha256:1cee9ad369867bfdbbb48b7dd50374c0967a0bb7710050facf0dd6911440e3df"},
     {file = "urllib3-2.3.0.tar.gz", hash = "sha256:f8c5449b3cf0861679ce7e0503c7b44b5ec981bec0d1d3795a07f1ba96f0204d"},
diff --git a/pyproject.toml b/pyproject.toml
index 304a5ce..e80e7f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ description = "prognosis module"
 authors = [
     {name = "Florian Förster", email = "f.foerster@d-opt.com"},
 ]
-dependencies = ["scikit-learn>=1.6.1", "pandas>=2.2.3", "xgboost>=2.1.4", "joblib>=1.4.2", "typing-extensions>=4.12.2"]
+dependencies = ["scikit-learn>=1.6.1", "pandas>=2.2.3", "xgboost>=2.1.4", "joblib>=1.4.2", "typing-extensions>=4.12.2", "requests>=2.32.3", "pydantic>=2.10.6"]
 requires-python = ">=3.11"
 readme = "README.md"
 license = {text = "LicenseRef-Proprietary"}
@@ -43,9 +43,7 @@ filterwarnings = [
     'ignore:pkg_resources is deprecated as an API.:DeprecationWarning'
 ]
 markers = [
-    "new: marks tests which are new to test only these (deselect with '-m \"not new\"')",
-    "mload: marks tests with loading of language models (deselect with '-m \"not mload\"')",
-    "cyto: marks tests which interact with Cytoscape (deselect with '-m \"not cyto\"')",
+    "api_con_required: tests require an API connection (deselect with '-m \"not api_con_required\"')",
 ]
 log_cli = true