diff --git a/crytic_compile/platform/etherscan.py b/crytic_compile/platform/etherscan.py
index 5904c4c..21c0b44 100644
--- a/crytic_compile/platform/etherscan.py
+++ b/crytic_compile/platform/etherscan.py
@@ -312,6 +312,8 @@ def compile(self, crytic_compile: "CryticCompile", **kwargs: str) -> None:
         only_bytecode = kwargs.get("etherscan_only_bytecode", False)
 
         etherscan_api_key = kwargs.get("etherscan_api_key", None)
+        if etherscan_api_key is None:
+            etherscan_api_key = os.getenv("ETHERSCAN_API_KEY")
 
         export_dir = kwargs.get("export_dir", "crytic-export")
         export_dir = os.path.join(