diff --git a/api/src/event.rs b/api/src/event.rs
index a6b7bf4..918e4b2 100644
--- a/api/src/event.rs
+++ b/api/src/event.rs
@@ -184,6 +184,9 @@ pub struct CommitEvent {
     /// The total amount of hashpower this miner has committed to the block.
     pub permit_commitment: u64,
 
+    /// The fee paid per hash.
+    pub fee: u64,
+
     /// The timestamp of the event.
     pub ts: i64,
 }
@@ -209,6 +212,9 @@ pub struct UncommitEvent {
     /// The total amount of hashpower this miner has committed to the block.
     pub permit_commitment: u64,
 
+    /// The fee paid per hash.
+    pub fee: u64,
+
     /// The timestamp of the event.
     pub ts: i64,
 }
diff --git a/program/src/commit.rs b/program/src/commit.rs
index b46e372..e699c0f 100644
--- a/program/src/commit.rs
+++ b/program/src/commit.rs
@@ -116,6 +116,7 @@ pub fn process_commit(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResul
             amount,
             block_commitment: block.total_committed,
             permit_commitment: permit.commitment,
+            fee,
             ts: clock.unix_timestamp,
         }
         .to_bytes(),
diff --git a/program/src/uncommit.rs b/program/src/uncommit.rs
index 4b8d802..6c7a133 100644
--- a/program/src/uncommit.rs
+++ b/program/src/uncommit.rs
@@ -61,6 +61,8 @@ pub fn process_uncommit(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramRes
     block.total_committed -= amount;
 
     // Close permit account, if empty.
+    let fee = permit.fee;
+    let commitment = permit.commitment;
     if permit.commitment == 0 {
         permit_info.close(signer_info)?;
     }
@@ -74,8 +76,9 @@ pub fn process_uncommit(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramRes
             authority: *signer_info.key,
             block_id: block.id,
             block_commitment: block.total_committed,
-            permit_commitment: permit.commitment,
+            permit_commitment: commitment,
             amount,
+            fee,
             ts: clock.unix_timestamp,
         }
         .to_bytes(),