diff --git a/.changeset/eight-jeans-report.md b/.changeset/eight-jeans-report.md
new file mode 100644
index 00000000..41b071a7
--- /dev/null
+++ b/.changeset/eight-jeans-report.md
@@ -0,0 +1,5 @@
+---
+'@soundxyz/sdk': patch
+---
+
+unix_timestamp -> unixTimestamp
diff --git a/packages/sdk/src/client.ts b/packages/sdk/src/client.ts
index cfa2be9b..ffd85525 100644
--- a/packages/sdk/src/client.ts
+++ b/packages/sdk/src/client.ts
@@ -494,8 +494,8 @@ export function SoundClient({
               maxMintableLower: mintSchedule.maxMintableLower,
               maxMintableUpper: mintSchedule.maxMintableUpper,
               closingTime: mintSchedule.closingTime,
-              maxMintable: (unix_timestamp?: number) =>
-                (unix_timestamp || Math.floor(Date.now() / 1000)) < mintSchedule.closingTime
+              maxMintable: (unixTimestamp?: number) =>
+                (unixTimestamp || Math.floor(Date.now() / 1000)) < mintSchedule.closingTime
                   ? mintSchedule.maxMintableUpper
                   : mintSchedule.maxMintableLower,
               maxMintablePerAccount: mintSchedule.maxMintablePerAccount,
diff --git a/packages/sdk/src/types.ts b/packages/sdk/src/types.ts
index c831cabd..e3e7f65d 100644
--- a/packages/sdk/src/types.ts
+++ b/packages/sdk/src/types.ts
@@ -54,7 +54,7 @@ export type RangeEditionSchedule = MintScheduleBase & {
   maxMintableLower: number
   maxMintableUpper: number
   closingTime: number
-  maxMintable: (unix_timestamp?: number) => number
+  maxMintable: (unixTimestamp?: number) => number
 }
 
 export type MerkleDropSchedule = MintScheduleBase & {