diff --git a/.changeset/silver-taxis-learn.md b/.changeset/silver-taxis-learn.md
new file mode 100644
index 000000000..2ee7b5877
--- /dev/null
+++ b/.changeset/silver-taxis-learn.md
@@ -0,0 +1,5 @@
+---
+'@guardian/libs': patch
+---
+
+Fix cmp usnat supported api lookup
diff --git a/libs/@guardian/libs/src/consent-management-platform/usnat/getConsentState.test.js b/libs/@guardian/libs/src/consent-management-platform/usnat/getConsentState.test.js
index 7fb914083..a3bca6514 100644
--- a/libs/@guardian/libs/src/consent-management-platform/usnat/getConsentState.test.js
+++ b/libs/@guardian/libs/src/consent-management-platform/usnat/getConsentState.test.js
@@ -7,6 +7,9 @@ import { getConsentState } from './getConsentState.ts';
 jest.mock('./api');
 
 describe('getConsentState', () => {
+	beforeEach(() => {
+		jest.clearAllMocks();
+	});
 	it('gets the gpp consent state correctly - doNotSell is false', async () => {
 		getGPPData.mockResolvedValue(gppDataCanSell);
 
diff --git a/libs/@guardian/libs/src/consent-management-platform/usnat/getConsentState.ts b/libs/@guardian/libs/src/consent-management-platform/usnat/getConsentState.ts
index fc1785957..899b72396 100644
--- a/libs/@guardian/libs/src/consent-management-platform/usnat/getConsentState.ts
+++ b/libs/@guardian/libs/src/consent-management-platform/usnat/getConsentState.ts
@@ -4,15 +4,12 @@ import { getGPPData } from './api';
 export const getConsentState: () => Promise<USNATConsentState> = async () => {
 	let doNotSell = false; // Opt-Out
 	const gppData = await getGPPData();
+	const supportedAPI = Object.values(gppData.parsedSections)[0];
 
-	const supportedAPIs = gppData.supportedAPIs[0]?.split(':')[1]; // E.G: '7:usnatv1', '8:uscav1'
-
-	if (supportedAPIs) {
-		//0 Not Applicable. SharingOptOutNotice value was not applicable or no notice was provided, 1 Opted Out, 2 Did Not Opt Out
-		doNotSell =
-			gppData.parsedSections[supportedAPIs]?.SaleOptOut !== 2 ||
-			gppData.parsedSections[supportedAPIs].Gpc;
+	if (supportedAPI) {
 		// https://github.com/InteractiveAdvertisingBureau/Global-Privacy-Platform/blob/main/Sections/US-National/IAB%20Privacy%E2%80%99s%20National%20Privacy%20Technical%20Specification.md
+		// 0 Not Applicable. SharingOptOutNotice value was not applicable or no notice was provided, 1 Opted Out, 2 Did Not Opt Out
+		doNotSell = supportedAPI.SaleOptOut !== 2 || supportedAPI.Gpc;
 	}
 
 	return {