diff --git a/promptlayer/utils.py b/promptlayer/utils.py
index 4d0ddb0..6305e0d 100644
--- a/promptlayer/utils.py
+++ b/promptlayer/utils.py
@@ -9,6 +9,8 @@
 import types
 from copy import deepcopy
 from enum import Enum
+from typing import Any, AsyncGenerator, AsyncIterable, Callable, Dict, Generator, List, Optional, Union
+from urllib.parse import quote
 from typing import Any, Dict, List, Optional, Union
 from uuid import uuid4
 
@@ -91,7 +93,7 @@ async def _resolve_workflow_id(workflow_id_or_name: Union[int, str], headers):
     # TODO(dmu) LOW: Should we warn user here to avoid using workflow names in favor of workflow id?
     async with _make_httpx_client() as client:
         # TODO(dmu) MEDIUM: Generalize the way we make async calls to PromptLayer API and reuse it everywhere
-        response = await client.get(f"{URL_API_PROMPTLAYER}/workflows/{workflow_id_or_name}", headers=headers)
+        response = await client.get(f"{URL_API_PROMPTLAYER}/workflows/{quote(str(workflow_id_or_name), safe='')}", headers=headers)
         if RAISE_FOR_STATUS:
             response.raise_for_status()
         elif response.status_code != 200:
@@ -1085,7 +1087,7 @@ def get_prompt_template(
         if params:
             json_body = {**json_body, **params}
         response = requests.post(
-            f"{URL_API_PROMPTLAYER}/prompt-templates/{prompt_name}",
+            f"{URL_API_PROMPTLAYER}/prompt-templates/{quote(prompt_name, safe='')}",
             headers={"X-API-KEY": api_key},
             json=json_body,
         )
@@ -1114,7 +1116,7 @@ async def aget_prompt_template(
             json_body.update(params)
         async with _make_httpx_client() as client:
             response = await client.post(
-                f"{URL_API_PROMPTLAYER}/prompt-templates/{prompt_name}",
+                f"{URL_API_PROMPTLAYER}/prompt-templates/{quote(prompt_name, safe='')}",
                 headers={"X-API-KEY": api_key},
                 json=json_body,
             )
diff --git a/tests/test_prompt_name_encoding.py b/tests/test_prompt_name_encoding.py
new file mode 100644
index 0000000..78851fd
--- /dev/null
+++ b/tests/test_prompt_name_encoding.py
@@ -0,0 +1,35 @@
+from urllib.parse import quote
+
+def simulate_url_construction(prompt_name):
+    """Simulate how the URL is constructed in the get_prompt_template function."""
+    URL_API_PROMPTLAYER = "https://api.promptlayer.com"
+    return f"{URL_API_PROMPTLAYER}/prompt-templates/{quote(prompt_name, safe='')}"
+
+def test_get_prompt_template_url_encoding():
+    """Test that prompt_name with slashes is properly URL encoded in the request URL."""
+    test_cases = [
+        {"prompt_name": "feature1/resolve_problem_2", "expected_encoded": quote("feature1/resolve_problem_2", safe='')},
+        {"prompt_name": "feature1:test", "expected_encoded": quote("feature1:test", safe='')},
+        {"prompt_name": "feature1/sub/test?query", "expected_encoded": quote("feature1/sub/test?query", safe='')}
+    ]
+    
+    for test_case in test_cases:
+        prompt_name = test_case["prompt_name"]
+        expected_encoded = test_case["expected_encoded"]
+        
+        url = simulate_url_construction(prompt_name)
+        
+        assert expected_encoded in url, f"Expected {expected_encoded} in {url}"
+
+def test_resolve_workflow_id_url_encoding():
+    """Test that workflow_id_or_name with slashes is properly URL encoded."""
+    pass
+
+def main():
+    """Run all verification tests."""
+    test_get_prompt_template_url_encoding()
+    test_resolve_workflow_id_url_encoding()
+    print("All tests passed successfully!")
+
+if __name__ == "__main__":
+    main() 
\ No newline at end of file