diff --git a/README.md b/README.md
index f83872f2..cdf2be7c 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,15 @@ This action will help you upload an Android `.apk` or `.aab` (Android App Bundle
 
 ## Inputs
 
+_You must provide one of either `serviceAccountJson` or `serviceAccountJsonPlainText`_
+
 ### `serviceAccountJson`
 
-**Required:** The service account json private key file to authorize the upload request
+The service account json private key file to authorize the upload request
+
+### `serviceAccountJsonPlainText`
+
+The service account json in plain text, provided via a secret, etc.
 
 ### `packageName`
 
diff --git a/action.yml b/action.yml
index 65c2a9e7..3afcf416 100644
--- a/action.yml
+++ b/action.yml
@@ -7,7 +7,10 @@ branding:
 inputs:
   serviceAccountJson:
     description: 'The service account json private key file to authorize the upload request'
-    required: true
+    required: false
+  serviceAccountJsonPlainText:
+    description: 'The raw json text of the service account private key to authorize the upload request'
+    required: false
   packageName:
     description: 'The package name, or Application Id, of the app you are uploading'
     required: true
diff --git a/lib/main.js b/lib/main.js
index d5f29975..951e9a3b 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -26,13 +26,32 @@ const auth = new google.auth.GoogleAuth({
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
-            const serviceAccountJson = core.getInput('serviceAccountJson', { required: true });
+            const serviceAccountJson = core.getInput('serviceAccountJson', { required: false });
+            const serviceAccountJsonRaw = core.getInput('serviceAccountJsonPlainText', { required: false });
             const packageName = core.getInput('packageName', { required: true });
             const releaseFile = core.getInput('releaseFile', { required: true });
             const track = core.getInput('track', { required: true });
             const userFraction = core.getInput('userFraction', { required: false });
             const whatsNewDir = core.getInput('whatsNewDirectory', { required: false });
             const mappingFile = core.getInput('mappingFile', { required: false });
+            if (!serviceAccountJson && !serviceAccountJsonRaw) {
+                console.log("No service account json key provided!");
+                core.setFailed("You must provide one of 'serviceAccountJson' or 'serviceAccountJsonPlainText' to use this action");
+            }
+            // If the user has provided the raw plain text via secrets, or w/e, then write to file and
+            // set appropriate env variable for the auth
+            if (serviceAccountJsonRaw) {
+                const serviceAccountFile = "./serviceAccountJson.json";
+                fs.writeFileSync(serviceAccountFile, serviceAccountJsonRaw, {
+                    encoding: 'utf8'
+                });
+                // Insure that the api can find our service account credentials
+                core.exportVariable("GOOGLE_APPLICATION_CREDENTIALS", serviceAccountFile);
+            }
+            if (serviceAccountJson) {
+                // Insure that the api can find our service account credentials
+                core.exportVariable("GOOGLE_APPLICATION_CREDENTIALS", serviceAccountJson);
+            }
             // verify inputs
             let userFractionFloat = parseFloat(userFraction);
             if (!isNaN(userFractionFloat)) {
@@ -57,8 +76,6 @@ function run() {
                 core.setFailed(`Unable to find 'mappingFile' @ ${mappingFile}`);
                 return;
             }
-            // Insure that the api can find our service account credentials
-            core.exportVariable("GOOGLE_APPLICATION_CREDENTIALS", serviceAccountJson);
             const authClient = yield auth.getClient();
             yield edits_1.uploadRelease({
                 auth: authClient,
diff --git a/src/main.ts b/src/main.ts
index 6085fc97..ed1ae7ff 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -9,7 +9,8 @@ const auth = new google.auth.GoogleAuth({
 
 async function run() {
     try {
-        const serviceAccountJson = core.getInput('serviceAccountJson', { required: true });
+        const serviceAccountJson = core.getInput('serviceAccountJson', { required: false });
+        const serviceAccountJsonRaw = core.getInput('serviceAccountJsonPlainText', { required: false});
         const packageName = core.getInput('packageName', { required: true });
         const releaseFile = core.getInput('releaseFile', { required: true });
         const track = core.getInput('track', { required: true });
@@ -17,6 +18,28 @@ async function run() {
         const whatsNewDir = core.getInput('whatsNewDirectory', { required: false });
         const mappingFile = core.getInput('mappingFile', { required: false });
 
+        if (!serviceAccountJson && !serviceAccountJsonRaw) {
+            console.log("No service account json key provided!");
+            core.setFailed("You must provide one of 'serviceAccountJson' or 'serviceAccountJsonPlainText' to use this action");
+        }
+
+        // If the user has provided the raw plain text via secrets, or w/e, then write to file and
+        // set appropriate env variable for the auth
+        if (serviceAccountJsonRaw) {
+            const serviceAccountFile = "./serviceAccountJson.json";
+            fs.writeFileSync(serviceAccountFile, serviceAccountJsonRaw, {
+                encoding: 'utf8'
+            });
+
+            // Insure that the api can find our service account credentials
+            core.exportVariable("GOOGLE_APPLICATION_CREDENTIALS", serviceAccountFile);
+        }
+
+        if (serviceAccountJson) {
+            // Insure that the api can find our service account credentials
+            core.exportVariable("GOOGLE_APPLICATION_CREDENTIALS", serviceAccountJson);
+        }
+
         // verify inputs
         let userFractionFloat: number | undefined = parseFloat(userFraction);
         if (!isNaN(userFractionFloat)) {
@@ -44,9 +67,6 @@ async function run() {
             return
         }
 
-        // Insure that the api can find our service account credentials
-        core.exportVariable("GOOGLE_APPLICATION_CREDENTIALS", serviceAccountJson);
-
         const authClient = await auth.getClient();
 
         await uploadRelease({