diff --git a/.changeset/hot-apricots-dress.md b/.changeset/hot-apricots-dress.md
new file mode 100644
index 000000000..cc20c5cea
--- /dev/null
+++ b/.changeset/hot-apricots-dress.md
@@ -0,0 +1,6 @@
+---
+'@mysten/mvr-static': patch
+'@mysten/sui': patch
+---
+
+Adds headers to mvr api calls
diff --git a/packages/mvr-static/src/parsing.ts b/packages/mvr-static/src/parsing.ts
index d9059be65..14fd4c1f7 100644
--- a/packages/mvr-static/src/parsing.ts
+++ b/packages/mvr-static/src/parsing.ts
@@ -21,6 +21,10 @@ const MAX_BATCH_SIZE = 25; // files to process per batch.
 const MAINNET_API_URL = 'https://mainnet.mvr.mystenlabs.com';
 const TESTNET_API_URL = 'https://testnet.mvr.mystenlabs.com';
 
+const MVR_API_HEADER = {
+	'Mvr-Source': 'ts-static-plugin',
+};
+
 const WARNING_MESSAGE = `/**
  * This file is automatically generated by the mvr SDK.
  * You can edit this file, but it will be overwritten on the next run.
@@ -158,7 +162,7 @@ async function resolvePackages(packages: string[], apiUrl: string) {
 		batches.map(async (batch) => {
 			const response = await fetch(`${apiUrl}/v1/resolution/bulk`, {
 				method: 'POST',
-				headers: { 'Content-Type': 'application/json' },
+				headers: { 'Content-Type': 'application/json', ...MVR_API_HEADER },
 				body: JSON.stringify({
 					names: batch,
 				}),
@@ -199,7 +203,7 @@ async function resolveTypes(types: string[], apiUrl: string) {
 		batches.map(async (batch) => {
 			const response = await fetch(`${apiUrl}/v1/struct-definition/bulk`, {
 				method: 'POST',
-				headers: { 'Content-Type': 'application/json' },
+				headers: { 'Content-Type': 'application/json', ...MVR_API_HEADER },
 				body: JSON.stringify({
 					types: batch,
 				}),
diff --git a/packages/typescript/src/transactions/plugins/NamedPackagesPlugin.ts b/packages/typescript/src/transactions/plugins/NamedPackagesPlugin.ts
index b1ac3efe7..c0e0029c0 100644
--- a/packages/typescript/src/transactions/plugins/NamedPackagesPlugin.ts
+++ b/packages/typescript/src/transactions/plugins/NamedPackagesPlugin.ts
@@ -13,6 +13,10 @@ import {
 	replaceNames,
 } from './utils.js';
 
+const MVR_API_HEADER = {
+	'Mvr-Source': 'ts-sdk-plugin',
+};
+
 export type NamedPackagesPluginOptions = {
 	/**
 	 * The URL of the MVR API to use for resolving names.
@@ -118,7 +122,7 @@ export const namedPackagesPlugin = ({
 			batches.map(async (batch) => {
 				const response = await fetch(`${apiUrl}/v1/resolution/bulk`, {
 					method: 'POST',
-					headers: { 'Content-Type': 'application/json' },
+					headers: { 'Content-Type': 'application/json', ...MVR_API_HEADER },
 					body: JSON.stringify({
 						names: batch,
 					}),
@@ -156,7 +160,7 @@ export const namedPackagesPlugin = ({
 			batches.map(async (batch) => {
 				const response = await fetch(`${apiUrl}/v1/struct-definition/bulk`, {
 					method: 'POST',
-					headers: { 'Content-Type': 'application/json' },
+					headers: { 'Content-Type': 'application/json', ...MVR_API_HEADER },
 					body: JSON.stringify({
 						types: batch,
 					}),