diff --git a/.github/workflows/workflow.yaml b/.github/workflows/workflow.yaml
new file mode 100644
index 0000000..4f989b3
--- /dev/null
+++ b/.github/workflows/workflow.yaml
@@ -0,0 +1,19 @@
+name: Python package publishing
+on:
+  push:
+    branches:
+      - main
+jobs:
+  pypi-publish:
+    name: upload release to PyPI
+    runs-on: ubuntu-latest
+    # Specifying a GitHub environment is optional, but strongly encouraged
+    environment: release
+    permissions:
+      # IMPORTANT: this permission is mandatory for trusted publishing
+      id-token: write
+    steps:
+      # retrieve your distributions here
+
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
\ No newline at end of file
diff --git a/README.md b/README.md
index a013669..8fd23c7 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,12 @@ pip install convect-flow-sdk
 ## Usage
 
 ```bash
+# set up environment variables
+# FLOW_WORKSPACE_ID: your flow workspace id
+# FLOW_API_TOKEN: your flow api token from the workspace
+# FLOW_HOST: flow host, default to https://flow.convect.ai
 from convect_flow_sdk import FlowAlgo
+from pprint import pprint
 # this is an example of how to use the flow_algo_sdk
 flow_algo = FlowAlgo()
 # this algo_id is will be the one defined in the algo project
diff --git a/convect_flow_sdk/flow_algo.py b/convect_flow_sdk/flow_algo.py
index aafb3b1..cff787b 100644
--- a/convect_flow_sdk/flow_algo.py
+++ b/convect_flow_sdk/flow_algo.py
@@ -153,7 +153,8 @@ def list_algos(self):
         _data = {
             "workspace_id": self.flow_workspace_id,
         }
-        r = requests.post(_api_url, headers=self.get_credential_header(), params=pagination)
+        r = requests.post(_api_url, headers=self.get_credential_header(), params=pagination,json=_data)
+        print(r.json())
         r.raise_for_status()
         return r.json()
 
@@ -412,4 +413,4 @@ def terminate(self, run_id):
                 if _run_hash_file["run_id"] == run_id:
                     os.remove(_file_path)
                     break
-        print("terminate algo run successfully")
+        print("terminate algo run successfully")
\ No newline at end of file