diff --git a/src/request/types/index.ts b/src/request/types/index.ts
index 0bcb1d4..874755d 100644
--- a/src/request/types/index.ts
+++ b/src/request/types/index.ts
@@ -13,6 +13,7 @@ export interface StxRequests {
   stx_signStructuredMessage: StxMethods.StxSignStructuredMessage;
   stx_signTransaction: StxMethods.StxSignTransaction;
   stx_transferStx: StxMethods.StxTransferStx;
+  stx_signTransactions: StxMethods.StxSignTransactions;
 }
 
 export type StxRequestMethod = keyof StxRequests;
diff --git a/src/request/types/stxMethods/index.ts b/src/request/types/stxMethods/index.ts
index 9f45984..021f92e 100644
--- a/src/request/types/stxMethods/index.ts
+++ b/src/request/types/stxMethods/index.ts
@@ -5,4 +5,5 @@ export * from './getAddresses';
 export * from './signMessage';
 export * from './signStructuredMessage';
 export * from './signTransaction';
+export * from './signTransactions';
 export * from './transferStx';
diff --git a/src/request/types/stxMethods/signTransactions.ts b/src/request/types/stxMethods/signTransactions.ts
new file mode 100644
index 0000000..48828ce
--- /dev/null
+++ b/src/request/types/stxMethods/signTransactions.ts
@@ -0,0 +1,42 @@
+import { MethodParamsAndResult, rpcRequestMessageSchema } from '../../../types';
+import * as v from 'valibot';
+
+export const stxSignTransactionsMethodName = 'stx_signTransactions';
+export const stxSignTransactionsParamsSchema = v.object({
+  /**
+   * The transactions to sign as hex-encoded strings.
+   */
+  transactions: v.array(
+    v.object({
+      transactionHex: v.string(),
+
+      /**
+       * Whether the transaction should be broadcast after signing. Defaults to `false`.
+       */
+      broadcast: v.optional(v.boolean()),
+    })
+  ),
+});
+export type StxSignTransactionsParams = v.InferOutput<typeof stxSignTransactionsParamsSchema>;
+export const stxSignTransactionsResultSchema = v.object({
+  /**
+   * The signed transactions as hex-encoded strings. In the same order as the sign request.
+   */
+  transactions: v.array(v.string()),
+});
+export type StxSignTransactionsResult = v.InferOutput<typeof stxSignTransactionsResultSchema>;
+export const stxSignTransactionsRequestMessageSchema = v.object({
+  ...rpcRequestMessageSchema.entries,
+  ...v.object({
+    method: v.literal(stxSignTransactionsMethodName),
+    params: stxSignTransactionsParamsSchema,
+    id: v.string(),
+  }).entries,
+});
+export type StxSignTransactionsRequestMessage = v.InferOutput<
+  typeof stxSignTransactionsRequestMessageSchema
+>;
+export type StxSignTransactions = MethodParamsAndResult<
+  StxSignTransactionsParams,
+  StxSignTransactionsResult
+>;