diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8769868..de76528 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -6,7 +6,7 @@ jobs:
   test:
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9, '3.10', '3.11']
+        python-version: [3.8, 3.9, '3.10', '3.11']
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     runs-on: ${{ matrix.os }}
@@ -87,4 +87,4 @@ jobs:
           TAG: ${{  github.ref_name }}
         run: |
           echo "tag is $TAG"
-          pkgmt release $TAG --production --yes
\ No newline at end of file
+          pkgmt release $TAG --production --yes
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e443306..20548ec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## 0.2.26dev
 
+* [Feature] New optional custom telemetry `api_key`
+
 ## 0.2.25 (2024-02-01)
 
 * [Feature] Updates cloud message
diff --git a/src/ploomber_core/telemetry/telemetry.py b/src/ploomber_core/telemetry/telemetry.py
index d109fb4..72d3f95 100644
--- a/src/ploomber_core/telemetry/telemetry.py
+++ b/src/ploomber_core/telemetry/telemetry.py
@@ -420,12 +420,12 @@ def __init__(self, api_key, package_name, version, *, print_cloud_message=True):
         self.print_cloud_message = print_cloud_message
 
     @classmethod
-    def from_package(cls, package_name, *, print_cloud_message=True):
+    def from_package(cls, package_name, *, print_cloud_message=True, api_key=None):
         """
         Initialize a Telemetry client with the default configuration for
         a package with the given name
         """
-        default_api_key = "phc_P9SpSeypyPwxrMdFn2edOOEooQioF2axppyEeDwtMSP"
+        default_api_key = api_key or "phc_P9SpSeypyPwxrMdFn2edOOEooQioF2axppyEeDwtMSP"
         version = get_package_version(package_name)
         return cls(
             api_key=default_api_key,
diff --git a/tests/telemetry/test_telemetry.py b/tests/telemetry/test_telemetry.py
index 68fcdcf..f063556 100644
--- a/tests/telemetry/test_telemetry.py
+++ b/tests/telemetry/test_telemetry.py
@@ -1080,11 +1080,19 @@ def test_check_cloud(tmp_directory, monkeypatch, capsys, last_cloud_check):
 def test_from_package():
     _telemetry = telemetry.Telemetry.from_package("ploomber-core")
 
-    assert _telemetry.api_key
+    assert _telemetry.api_key == "phc_P9SpSeypyPwxrMdFn2edOOEooQioF2axppyEeDwtMSP"
     assert _telemetry.version
     assert _telemetry.package_name == "ploomber-core"
 
 
+def test_from_package_custom_api_key():
+    _telemetry = telemetry.Telemetry.from_package(
+        "ploomber-core", api_key="test_custom_key"
+    )
+
+    assert _telemetry.api_key == "test_custom_key"
+
+
 def test_runs_check_cloud(monkeypatch):
     mock = Mock()
     monkeypatch.setattr(telemetry, "check_cloud", mock)