diff --git a/packages/optimizely-sdk/lib/core/optimizely_config/index.tests.js b/packages/optimizely-sdk/lib/core/optimizely_config/index.tests.js
index e8509bf1a..e38798156 100644
--- a/packages/optimizely-sdk/lib/core/optimizely_config/index.tests.js
+++ b/packages/optimizely-sdk/lib/core/optimizely_config/index.tests.js
@@ -1,5 +1,5 @@
 /**
- * Copyright 2019-2020, Optimizely
+ * Copyright 2019-2021, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -137,5 +137,13 @@ describe('lib/core/optimizely_config', function() {
     it('should return correct config revision', function() {
       assert.equal(optimizelyConfigObject.revision, datafile.revision);
     });
+
+    it('should return correct config sdkKey ', function() {
+      assert.equal(optimizelyConfigObject.sdkKey, datafile.sdkKey);
+    });
+
+    it('should return correct config environmentKey ', function() {
+      assert.equal(optimizelyConfigObject.environmentKey, datafile.environmentKey);
+    });
   });
 });
diff --git a/packages/optimizely-sdk/lib/core/optimizely_config/index.ts b/packages/optimizely-sdk/lib/core/optimizely_config/index.ts
index a375fd345..788339d3a 100644
--- a/packages/optimizely-sdk/lib/core/optimizely_config/index.ts
+++ b/packages/optimizely-sdk/lib/core/optimizely_config/index.ts
@@ -37,6 +37,8 @@ export class OptimizelyConfig {
   public experimentsMap: OptimizelyExperimentsMap;
   public featuresMap: OptimizelyFeaturesMap;
   public revision: string;
+  public sdkKey?: string;
+  public environmentKey?: string;
   private datafile: string;
 
   constructor(configObj: ProjectConfig, datafile: string) {
@@ -44,6 +46,11 @@ export class OptimizelyConfig {
     this.featuresMap = OptimizelyConfig.getFeaturesMap(configObj, this.experimentsMap);
     this.revision = configObj.revision;
     this.datafile = datafile;
+
+    if (configObj.sdkKey && configObj.environmentKey) {
+      this.sdkKey = configObj.sdkKey;
+      this.environmentKey = configObj.environmentKey;
+    }
   }
 
   /**
diff --git a/packages/optimizely-sdk/lib/core/project_config/index.tests.js b/packages/optimizely-sdk/lib/core/project_config/index.tests.js
index 8209359f2..deae463cf 100644
--- a/packages/optimizely-sdk/lib/core/project_config/index.tests.js
+++ b/packages/optimizely-sdk/lib/core/project_config/index.tests.js
@@ -1,5 +1,5 @@
 /**
- * Copyright 2016-2020, Optimizely
+ * Copyright 2016-2021, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 import sinon from 'sinon';
-import { assert, expect, config } from 'chai';
+import { assert } from 'chai';
 import { forEach, cloneDeep } from 'lodash';
 import { getLogger } from '@optimizely/js-sdk-logging';
 import { sprintf } from '@optimizely/js-sdk-utils';
diff --git a/packages/optimizely-sdk/lib/core/project_config/index.ts b/packages/optimizely-sdk/lib/core/project_config/index.ts
index 64b5ca8f6..a5c093b94 100644
--- a/packages/optimizely-sdk/lib/core/project_config/index.ts
+++ b/packages/optimizely-sdk/lib/core/project_config/index.ts
@@ -58,6 +58,8 @@ interface VariableUsageMap {
 export interface ProjectConfig {
   revision: string;
   projectId: string;
+  sdkKey?: string;
+  environmentKey?: string;
   sendFlagDecisions?: boolean;
   experimentKeyMap: { [key: string]: Experiment };
   featureKeyMap: {
@@ -116,6 +118,12 @@ function createMutationSafeDatafileCopy(datafile: any): ProjectConfig {
     });
     return rolloutCopy;
   });
+
+  if (datafile.environmentKey && datafile.sdkKey) {
+    datafileCopy.environmentKey = datafile.environmentKey;
+    datafileCopy.sdkKey = datafile.sdkKey;
+  }
+
   return datafileCopy;
 }
 
diff --git a/packages/optimizely-sdk/lib/shared_types.ts b/packages/optimizely-sdk/lib/shared_types.ts
index 347f43c64..f91cac9ab 100644
--- a/packages/optimizely-sdk/lib/shared_types.ts
+++ b/packages/optimizely-sdk/lib/shared_types.ts
@@ -304,6 +304,8 @@ export interface OptimizelyConfig {
   experimentsMap: OptimizelyExperimentsMap;
   featuresMap: OptimizelyFeaturesMap;
   revision: string;
+  sdkKey?: string;
+  environmentKey?: string;
   getDatafile(): string;
 }
 
diff --git a/packages/optimizely-sdk/lib/tests/test_data.js b/packages/optimizely-sdk/lib/tests/test_data.js
index e36c6cbc0..39fa7bd4c 100644
--- a/packages/optimizely-sdk/lib/tests/test_data.js
+++ b/packages/optimizely-sdk/lib/tests/test_data.js
@@ -418,6 +418,8 @@ var decideConfig = {
   ],
   anonymizeIP: true,
   botFiltering: true,
+  sdkKey: 'ValidProjectConfigV4',
+  environmentKey: 'production',
   projectId: '10431130345',
   variables: [],
   featureFlags: [
@@ -1143,6 +1145,8 @@ var configWithFeatures = {
   ],
   anonymizeIP: true,
   botFiltering: true,
+  sdkKey: 'ValidProjectConfigV4',
+  environmentKey: 'development',
   audiences: [
     {
       id: '594017',