diff --git a/crates/api_clients/fal_client/src/requests/mod.rs b/crates/api_clients/fal_client/src/requests/mod.rs
index 33aae4d04b..33988caa78 100644
--- a/crates/api_clients/fal_client/src/requests/mod.rs
+++ b/crates/api_clients/fal_client/src/requests/mod.rs
@@ -1,2 +1,3 @@
 pub mod queue;
-pub mod webhook;
\ No newline at end of file
+pub mod webhook;
+mod traits;
\ No newline at end of file
diff --git a/crates/api_clients/fal_client/src/requests/traits/fal_request_cost_calculator_trait.rs b/crates/api_clients/fal_client/src/requests/traits/fal_request_cost_calculator_trait.rs
new file mode 100644
index 0000000000..7982946ecb
--- /dev/null
+++ b/crates/api_clients/fal_client/src/requests/traits/fal_request_cost_calculator_trait.rs
@@ -0,0 +1,9 @@
+
+/// Cost in pennies.
+pub type UsdCents = u64;
+
+pub trait FalRequestCostCalculator {
+  
+  /// Calculate the cost of the request.
+  fn calculate_cost_in_cents(&self) -> UsdCents;
+}
diff --git a/crates/api_clients/fal_client/src/requests/traits/mod.rs b/crates/api_clients/fal_client/src/requests/traits/mod.rs
new file mode 100644
index 0000000000..2fa97162b2
--- /dev/null
+++ b/crates/api_clients/fal_client/src/requests/traits/mod.rs
@@ -0,0 +1 @@
+mod fal_request_cost_calculator_trait;
\ No newline at end of file