diff --git a/src/fetch-and-parse.ts b/src/fetch-and-parse.ts
index b73bf0b..c48cbd1 100644
--- a/src/fetch-and-parse.ts
+++ b/src/fetch-and-parse.ts
@@ -3,17 +3,36 @@ import { exit } from 'process';
 import { DocMap } from './docmap';
 import { parsePreprintDocMap } from './docmap-parser';
 
-fetch('https://data-hub-api--stg.elifesciences.org/enhanced-preprints/docmaps/v1/index')
-  .then((data) => data.json())
-  .then((data) => {
-    data.docmaps.forEach((docMapStruct: DocMap) => {
-      const docMapEditableStruct = JSON.parse(JSON.stringify(docMapStruct));
-      // You can make edits here
+const input = process.argv[2] || '';
 
-      const docMapJson = JSON.stringify(docMapEditableStruct);
-      const parsedDocMap = parsePreprintDocMap(docMapJson);
-      console.log(JSON.stringify(docMapEditableStruct, undefined, '  '));
-      console.log(JSON.stringify(parsedDocMap, undefined, '  '));
-      exit(1);
+const msid = (input.match(/^[0-9]+$/)) ? input : null;
+const docmapUrl = `https://data-hub-api--stg.elifesciences.org/enhanced-preprints/docmaps/v2/${msid ? `by-publisher/elife/get-by-manuscript-id?manuscript_id=${msid}` : 'index'}`;
+
+const processDocmap = (docMapStruct: DocMap) => {
+  const docMapEditableStruct = JSON.parse(JSON.stringify(docMapStruct));
+  // You can make edits here
+
+  const docMapJson = JSON.stringify(docMapEditableStruct);
+  const parsedDocMap = parsePreprintDocMap(docMapJson);
+  console.log(JSON.stringify(docMapEditableStruct, undefined, '  '));
+  console.log(JSON.stringify(parsedDocMap, undefined, '  '));
+};
+
+if (msid || input.length === 0) {
+  fetch(docmapUrl)
+    .then((data) => data.json())
+    .then((data) => {
+      if (msid) {
+        processDocmap(data);
+        exit(1);
+      }
+
+      data.docmaps.forEach((docMapStruct: DocMap) => {
+        processDocmap(docMapStruct);
+        exit(1);
+      });
     });
-  });
+} else {
+  processDocmap(JSON.parse(input));
+  exit(1);
+}