diff --git a/README.md b/README.md
index 2735b00..c5ecba5 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ If you're using the SDK's HTTP implementation, follow these steps.
 
    >IMPORTANT: Be sure to call this function only when you have obtained legal basis to convert the user’s [directly identifying information (DII)](https://unifiedid.com/docs/ref-info/glossary-uid#gl-dii) to UID2 tokens for targeted advertising.
    
-   >`doNotGenerateTokensForOptedOut()` applies `policy=1` in the [/token/generate](https://unifiedid.com/docs/endpoints/post-token-generate#token-generation-policy) call. Without this, `policy` is omitted to maintain backwards compatibility.
+   >`doNotGenerateTokensForOptedOut()` applies `optout_check=1` in the [/token/generate](https://unifiedid.com/docs/endpoints/post-token-generate) call. Without this, `optout_check` is omitted to maintain backwards compatibility.
 #### Standard Integration
 
 If you're using standard integration (client and server) (see [UID2 SDK for JavaScript Integration Guide](https://unifiedid.com/docs/guides/publisher-client-side)), follow this step:
@@ -102,7 +102,7 @@ If you're using server-only integration (see [Publisher Integration Guide, Serve
    2. Body: `envelope.getEnvelope()`
    >IMPORTANT: Be sure to call this endpoint only when you have obtained legal basis to convert the user’s [directly identifying information (DII)](https://unifiedid.com/docs/ref-info/glossary-uid#gl-dii) to UID2 tokens for targeted advertising.
 
-   >`doNotGenerateTokensForOptedOut()` applies `policy=1` in the [/token/generate](https://unifiedid.com/docs/endpoints/post-token-generate#token-generation-policy) call. Without this, `policy` is omitted to maintain backwards compatibility.
+   >`doNotGenerateTokensForOptedOut()` applies `optout_check=1` in the [/token/generate](https://unifiedid.com/docs/endpoints/post-token-generate) call. Without this, `optout_check` is omitted to maintain backwards compatibility.
 
 4. If the HTTP response status code is _not_ 200, see [Response Status Codes](https://unifiedid.com/docs/endpoints/post-token-generate#response-status-codes) to determine next steps. Otherwise, convert the UID2 identity response content into a `TokenGenerateResponse` object:
 
diff --git a/src/main/java/com/uid2/client/TokenGenerateInput.java b/src/main/java/com/uid2/client/TokenGenerateInput.java
index 661cd94..9946cd3 100644
--- a/src/main/java/com/uid2/client/TokenGenerateInput.java
+++ b/src/main/java/com/uid2/client/TokenGenerateInput.java
@@ -88,7 +88,7 @@ private static String createJsonRequestForGenerateToken(String property, String
             json.addProperty("tcf_consent_string", tcString);
         }
         if(!generateForOptedOut){
-            json.addProperty("policy", 1);
+            json.addProperty("optout_check", 1);
         }
         return json.toString();
     }
diff --git a/src/test/java/com/uid2/client/PublisherTests.java b/src/test/java/com/uid2/client/PublisherTests.java
index a009ee5..612df59 100644
--- a/src/test/java/com/uid2/client/PublisherTests.java
+++ b/src/test/java/com/uid2/client/PublisherTests.java
@@ -518,7 +518,7 @@ public void requestToNotGenerateTokensForOptedOutUsers() {
         TokenGenerateInput input = TokenGenerateInput.fromEmail("test@example.com").doNotGenerateTokensForOptedOut();
 
         JsonObject json = new Gson().fromJson(input.getAsJsonString(), JsonObject.class);
-        assertEquals(1, json.get("policy").getAsInt());
+        assertEquals(1, json.get("optout_check").getAsInt());
     }
 
     private String encrypt(String body) {