diff --git a/src/modules/api/api.controller.ts b/src/modules/api/api.controller.ts
index 18a8f2e..f150383 100644
--- a/src/modules/api/api.controller.ts
+++ b/src/modules/api/api.controller.ts
@@ -26,7 +26,7 @@ export class ApiController {
       return res.status(HttpStatus.BAD_REQUEST).json({ error: "The job doesn't exist" });
     }
 
-    return job;
+    return res.json(job);
   }
 
   @Post('/transaction')
@@ -38,6 +38,8 @@ export class ApiController {
       return res.status(HttpStatus.BAD_REQUEST).json({ error: inputError });
     }
 
-    return await this.service.transaction(JSON.parse(body));
+    const jobId = await this.service.transaction(JSON.parse(body));
+
+    return res.send(jobId);
   }
 }
diff --git a/src/modules/queue/transaction.processor.ts b/src/modules/queue/transaction.processor.ts
index ea0e4ad..e553191 100644
--- a/src/modules/queue/transaction.processor.ts
+++ b/src/modules/queue/transaction.processor.ts
@@ -30,6 +30,7 @@ export type ArgsProof = {
   inputNullifiers: string[];
   outputCommitments: BytesLike[];
   outPathIndices: string;
+  publicAmount: string;
   extDataHash: string;
 };
 
@@ -134,7 +135,7 @@ export class TransactionProcessor extends BaseProcessor<Transaction> {
       data,
       gasLimit,
       to: contract.address,
-      gasPrice: fast.toString(),
+      gasPrice: toWei(fast.toString(), 'gwei'),
       value: BigNumber.from(0)._hex,
     };
   }