diff --git a/_api/README.md b/_api/README.md
index 1b80694..e4fb8e3 100644
--- a/_api/README.md
+++ b/_api/README.md
@@ -10,7 +10,7 @@ This repository contains scripts to deploy static files from the `_api/dist` dir
 
 ### Usage
 
-Set the `ROOT_DIR` environment variable to specify the network type (e.g., `testnets`, `devnets`).
+Set the `NETWORK_DIR` environment variable to specify the network type (e.g., `testnets`, `devnets`).
 
 Run the script:
 
@@ -21,5 +21,5 @@ pnpm build
 or
 
 ```sh
-ROOT_DIR=testnets pnpm build
+NETWORK_DIR=testnets pnpm build
 ```
diff --git a/_api/package.json b/_api/package.json
index 789a23e..47a5c58 100644
--- a/_api/package.json
+++ b/_api/package.json
@@ -1,4 +1,5 @@
 {
+  "type": "module",
   "scripts": {
     "build": "tsx src/main.ts"
   },
diff --git a/_api/src/main.ts b/_api/src/main.ts
index 977794f..f3b0549 100644
--- a/_api/src/main.ts
+++ b/_api/src/main.ts
@@ -12,12 +12,16 @@
  */
 
 import * as path from "path"
+import * as url from "url"
 import { copyDirectory, deleteDirectory, getFilePathsInDirectory } from "./utils"
 import { updateUrlsInDirectory, createUrlReplacer } from "./replaceUrls"
 import { aggregateChainData } from "./aggregateChains"
 import { optimizeImages } from "./optimizeImages"
 
-const rootDir = process.env.ROOT_DIR || ""
+const __filename = url.fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+
+const rootDir = process.env.NETWORK_DIR || ""
 const srcDir = path.resolve(__dirname, "../..", rootDir)
 const distDir = path.resolve(__dirname, "../dist")
 
diff --git a/_api/tsconfig.json b/_api/tsconfig.json
index 97cb33b..b6937bd 100644
--- a/_api/tsconfig.json
+++ b/_api/tsconfig.json
@@ -1,3 +1,4 @@
 {
-  "extends": "@tsconfig/recommended/tsconfig.json"
+  "extends": "@tsconfig/recommended/tsconfig.json",
+  "compilerOptions": { "module": "ESNext" }
 }