diff --git a/packages/hapi-mempool/src/index.ts b/packages/hapi-mempool/src/index.ts
index e7d739e..cc3f4a8 100644
--- a/packages/hapi-mempool/src/index.ts
+++ b/packages/hapi-mempool/src/index.ts
@@ -1,3 +1,4 @@
+export * from "./mempool-transaction-status";
 export * from "./channel-info";
 export * from "./mempool-info";
 export * from "./transaction-summary";
diff --git a/packages/hapi-mempool/src/mempool-transaction-status.ts b/packages/hapi-mempool/src/mempool-transaction-status.ts
new file mode 100644
index 0000000..8d636f7
--- /dev/null
+++ b/packages/hapi-mempool/src/mempool-transaction-status.ts
@@ -0,0 +1,5 @@
+export enum MempoolTransactionStatus {
+    Queued = 100,
+    Submitting = 200,
+    Completed = 400
+}
\ No newline at end of file
diff --git a/packages/hapi-mempool/src/transaction-info.ts b/packages/hapi-mempool/src/transaction-info.ts
index 2269e80..e165f37 100644
--- a/packages/hapi-mempool/src/transaction-info.ts
+++ b/packages/hapi-mempool/src/transaction-info.ts
@@ -1,16 +1,18 @@
+import { ResponseCodeEnum } from "@bugbytes/hapi-proto";
 import type {
   EntityIdKeyString,
   TimestampKeyString,
   TransactionIdKeyString,
 } from "@bugbytes/hapi-util";
+import { MempoolTransactionStatus } from "./mempool-transaction-status";
 
 export interface TransactionInfo {
   transaction_id: TransactionIdKeyString;
   node: EntityIdKeyString;
   duration: number;
   type: string;
-  status: string;
-  precheck_code: string | null;
+  status: MempoolTransactionStatus;
+  precheck_code: ResponseCodeEnum | -1 | -2;
   signed_by: string[];
   history: [
     {
diff --git a/packages/hapi-mempool/src/transaction-summary.ts b/packages/hapi-mempool/src/transaction-summary.ts
index 4f3fc68..a2f24b1 100644
--- a/packages/hapi-mempool/src/transaction-summary.ts
+++ b/packages/hapi-mempool/src/transaction-summary.ts
@@ -1,13 +1,15 @@
+import { ResponseCodeEnum } from "@bugbytes/hapi-proto";
 import type {
   EntityIdKeyString,
   TransactionIdKeyString,
 } from "@bugbytes/hapi-util";
+import { MempoolTransactionStatus } from "./mempool-transaction-status";
 
 export interface TransactionSummary {
   transaction_id: TransactionIdKeyString;
   node: EntityIdKeyString;
   duration: number;
   type: string;
-  status: string;
-  precheck_code: string | null;
+  status: MempoolTransactionStatus;
+  precheck_code: ResponseCodeEnum | -1 | -2;
 }