diff --git a/src/Rokt-Kit.ts b/src/Rokt-Kit.ts
index 0ba7f23..4010419 100644
--- a/src/Rokt-Kit.ts
+++ b/src/Rokt-Kit.ts
@@ -318,6 +318,11 @@ function generateThankYouElementScript(domain: string | undefined) {
 
 function generateBaseUrl(domain: string | undefined) {
   const resolvedDomain = typeof domain !== 'undefined' ? domain : DEFAULT_ROKT_DOMAIN;
+
+  if (resolvedDomain.includes('://')) {
+    return resolvedDomain.replace(/\/+$/, '');
+  }
+
   const protocol = 'https://';
 
   return [protocol, resolvedDomain].join('');
@@ -331,7 +336,10 @@ function generateReportingUrl(configuredUrl: string | undefined, domain: string
     return 'https://' + configuredUrl;
   }
 
-  return generateBaseUrl(domain) + endpoint;
+  const hasNonHttpScheme = domain?.includes('://') && !/^https?:\/\//i.test(domain);
+  const reportingDomain = hasNonHttpScheme ? undefined : domain;
+
+  return generateBaseUrl(reportingDomain) + endpoint;
 }
 
 function loadRoktScript(
@@ -511,6 +519,10 @@ function sendAdBlockMeasurementSignals(domain: string | undefined, version: stri
     return;
   }
 
+  if (domain && domain.includes('://') && !/^https:\/\//i.test(domain)) {
+    return;
+  }
+
   const pageUrl = window.location.href.split('?')[0].split('#')[0];
   const params =
     'version=' +
@@ -520,8 +532,8 @@ function sendAdBlockMeasurementSignals(domain: string | undefined, version: stri
     '&pageUrl=' +
     encodeURIComponent(pageUrl);
 
-  const existingDomain = domain || 'apps.rokt.com';
-  createAutoRemovedIframe('https://' + existingDomain + '/v1/wsdk-init/index.html?' + params);
+  const existingBaseUrl = domain ? generateBaseUrl(domain) : 'https://apps.rokt.com';
+  createAutoRemovedIframe(existingBaseUrl + '/v1/wsdk-init/index.html?' + params);
 
   createAutoRemovedIframe(
     'https://' + ADBLOCK_CONTROL_DOMAIN + '/v1/wsdk-init/index.html?' + params + '&isControl=true',
diff --git a/test/src/tests.spec.ts b/test/src/tests.spec.ts
index 7edfc49..6d33747 100644
--- a/test/src/tests.spec.ts
+++ b/test/src/tests.spec.ts
@@ -4117,6 +4117,24 @@ describe('Rokt Forwarder', () => {
       );
     });
 
+    it('should use a chrome-extension origin verbatim so the launcher loads from the bundled extension', () => {
+      expect(
+        (window as any).mParticle.forwarder.testHelpers.generateLauncherScript('chrome-extension://abcdef123/rokt'),
+      ).toBe('chrome-extension://abcdef123/rokt/wsdk/integrations/launcher.js');
+    });
+
+    it('should trim a trailing slash from a full origin so the path join stays clean', () => {
+      expect(
+        (window as any).mParticle.forwarder.testHelpers.generateLauncherScript('chrome-extension://abcdef123/rokt/'),
+      ).toBe('chrome-extension://abcdef123/rokt/wsdk/integrations/launcher.js');
+    });
+
+    it('should preserve an http origin for local development', () => {
+      expect((window as any).mParticle.forwarder.testHelpers.generateLauncherScript('http://localhost:8001')).toBe(
+        'http://localhost:8001/wsdk/integrations/launcher.js',
+      );
+    });
+
     it('should return base URL when no extensions are provided', () => {
       const url = (window as any).mParticle.forwarder.testHelpers.generateLauncherScript();
       expect(url).toBe(baseUrl);
@@ -4165,6 +4183,13 @@ describe('Rokt Forwarder', () => {
       const url = (window as any).mParticle.forwarder.testHelpers.generateThankYouElementScript('cname.rokt.com');
       expect(url).toBe('https://cname.rokt.com/rokt-elements/rokt-element-thank-you.js');
     });
+
+    it('should use a full custom origin verbatim', () => {
+      const url = (window as any).mParticle.forwarder.testHelpers.generateThankYouElementScript(
+        'chrome-extension://abcdef123/rokt',
+      );
+      expect(url).toBe('chrome-extension://abcdef123/rokt/rokt-elements/rokt-element-thank-you.js');
+    });
   });
 
   describe('#roktExtensions', () => {
@@ -6973,6 +6998,42 @@ describe('Rokt Forwarder', () => {
       expect(defaultDomainIframe).toBeTruthy();
     });
 
+    it('should still create the probe for a full https origin', () => {
+      Math.random = () => 0.05;
+      (window as any).__rokt_li_guid__ = 'test-guid-123';
+
+      (window as any).mParticle.forwarder.testHelpers.sendAdBlockMeasurementSignals(
+        'https://custom.rokt.com',
+        'test-version',
+      );
+
+      const iframes = document.querySelectorAll('iframe');
+      const srcs = Array.prototype.map.call(iframes, (iframe: any) => iframe.src) as string[];
+
+      const httpsDomainIframe = srcs.find(
+        (src) => src.indexOf('https://custom.rokt.com/v1/wsdk-init/index.html') !== -1,
+      );
+
+      expect(httpsDomainIframe).toBeTruthy();
+    });
+
+    it('should not create the probe for a chrome-extension origin', () => {
+      Math.random = () => 0.05;
+      (window as any).__rokt_li_guid__ = 'test-guid-123';
+
+      (window as any).mParticle.forwarder.testHelpers.sendAdBlockMeasurementSignals(
+        'chrome-extension://abcdef123/rokt',
+        'test-version',
+      );
+
+      const iframes = document.querySelectorAll('iframe');
+      const srcs = Array.prototype.map.call(iframes, (iframe: any) => iframe.src) as string[];
+
+      const anyProbe = srcs.find((src) => src.indexOf('/v1/wsdk-init/index.html') !== -1);
+
+      expect(anyProbe).toBeUndefined();
+    });
+
     it('should not create iframes when sampled out', () => {
       Math.random = () => 0.5; // Above 0.1 threshold
       (window as any).__rokt_li_guid__ = 'test-guid-123';
@@ -7262,6 +7323,26 @@ describe('Rokt Forwarder', () => {
       expect(fetchCalls[0].url).toBe('https://apps.rokt-api.com/v1/errors');
     });
 
+    it('should use a full https integration domain for the error URL', () => {
+      const service = new ErrorReportingServiceClass(
+        { isLoggingEnabled: true, integrationDomain: 'https://custom.rokt.com' },
+        '1.0.0',
+        'test-guid',
+      );
+      service.report({ message: 'test error', severity: WSDKErrorSeverityConst.ERROR });
+      expect(fetchCalls[0].url).toBe('https://custom.rokt.com/v1/errors');
+    });
+
+    it('should fall back to the default error URL for a chrome-extension integration domain', () => {
+      const service = new ErrorReportingServiceClass(
+        { isLoggingEnabled: true, integrationDomain: 'chrome-extension://abcdef123/rokt' },
+        '1.0.0',
+        'test-guid',
+      );
+      service.report({ message: 'test error', severity: WSDKErrorSeverityConst.ERROR });
+      expect(fetchCalls[0].url).toBe('https://apps.rokt-api.com/v1/errors');
+    });
+
     it('should include all required fields in the log request body', () => {
       const service = new ErrorReportingServiceClass({ isLoggingEnabled: true }, 'test-integration', 'test-guid');
       service.report({