diff --git a/tests/package.json b/tests/package.json
index 5f18e94d8..c096908da 100644
--- a/tests/package.json
+++ b/tests/package.json
@@ -7,7 +7,8 @@
     "@aws-sdk/client-lambda": "^3.986.0",
     "@aws-sdk/client-sns": "^3.984.0",
     "@aws-sdk/lib-dynamodb": "^3.1008.0",
-    "@nhsdigital/nhs-notify-event-schemas-letter-rendering": "2.0.1",
+    "@nhsdigital/nhs-notify-event-schemas-letter-rendering": "^2.0.1",
+    "@nhsdigital/notify-digital-letters-consumer-contracts": "^1.0.1",
     "@pact-foundation/pact": "^16.0.4",
     "@pact-foundation/pact-core": "^17.1.0",
     "@playwright/test": "^1.57.0",
diff --git a/tests/pact-tests/provider/supplier-api.digital-letters.provider.pact.test.ts b/tests/pact-tests/provider/supplier-api.digital-letters.provider.pact.test.ts
new file mode 100644
index 000000000..23dd0fea8
--- /dev/null
+++ b/tests/pact-tests/provider/supplier-api.digital-letters.provider.pact.test.ts
@@ -0,0 +1,44 @@
+import path from "node:path";
+import { MessageProviderPact } from "@pact-foundation/pact";
+import LetterAcceptedEvent from "@nhsdigital/nhs-notify-event-schemas-supplier-api/schemas/examples/letter.ACCEPTED.json";
+import LetterCancelledEvent from "@nhsdigital/nhs-notify-event-schemas-supplier-api/schemas/examples/letter.CANCELLED.json";
+import LetterDeliveredEvent from "@nhsdigital/nhs-notify-event-schemas-supplier-api/schemas/examples/letter.DELIVERED.json";
+import LetterDispatchedEvent from "@nhsdigital/nhs-notify-event-schemas-supplier-api/schemas/examples/letter.DISPATCHED.json";
+import LetterEnclosedEvent from "@nhsdigital/nhs-notify-event-schemas-supplier-api/schemas/examples/letter.ENCLOSED.json";
+import LetterFailedEvent from "@nhsdigital/nhs-notify-event-schemas-supplier-api/schemas/examples/letter.FAILED.json";
+import LetterForwardedEvent from "@nhsdigital/nhs-notify-event-schemas-supplier-api/schemas/examples/letter.FORWARDED.json";
+import LetterPendingEvent from "@nhsdigital/nhs-notify-event-schemas-supplier-api/schemas/examples/letter.PENDING.json";
+import LetterPrintedEvent from "@nhsdigital/nhs-notify-event-schemas-supplier-api/schemas/examples/letter.PRINTED.json";
+import LetterRejectedEvent from "@nhsdigital/nhs-notify-event-schemas-supplier-api/schemas/examples/letter.REJECTED.json";
+import LetterReturnedEvent from "@nhsdigital/nhs-notify-event-schemas-supplier-api/schemas/examples/letter.RETURNED.json";
+
+describe("Supplier API -> Digital Letters pact tests", () => {
+  test("verify pacts", async () => {
+    const p = new MessageProviderPact({
+      provider: "supplier-api",
+      pactUrls: [
+        path.join(
+          __dirname,
+          "../../../node_modules",
+          "@nhsdigital/notify-digital-letters-consumer-contracts/pacts/supplier-api/digital-letters-supplier-api.json",
+        ),
+      ],
+      messageProviders: {
+        "SupplierApiEvent-letter_accepted": () => LetterAcceptedEvent,
+        "SupplierApiEvent-letter_cancelled": () => LetterCancelledEvent,
+        "SupplierApiEvent-letter_delivered": () => LetterDeliveredEvent,
+        "SupplierApiEvent-letter_dispatched": () => LetterDispatchedEvent,
+        "SupplierApiEvent-letter_enclosed": () => LetterEnclosedEvent,
+        "SupplierApiEvent-letter_failed": () => LetterFailedEvent,
+        "SupplierApiEvent-letter_forwarded": () => LetterForwardedEvent,
+        "SupplierApiEvent-letter_pending": () => LetterPendingEvent,
+        "SupplierApiEvent-letter_printed": () => LetterPrintedEvent,
+        "SupplierApiEvent-letter_rejected": () => LetterRejectedEvent,
+        "SupplierApiEvent-letter_returned": () => LetterReturnedEvent,
+      },
+      logLevel: "error",
+    });
+
+    await expect(p.verify()).resolves.not.toThrow();
+  }, 60_000);
+});
diff --git a/tests/pact-tests/run-pact-tests.sh b/tests/pact-tests/run-pact-tests.sh
index d2d00581a..3c024da21 100755
--- a/tests/pact-tests/run-pact-tests.sh
+++ b/tests/pact-tests/run-pact-tests.sh
@@ -4,6 +4,7 @@ set -euo pipefail
 
 # Ensure we have the latest package matching the major version
 npm install --no-lockfile @nhsdigital/nhs-notify-event-schemas-letter-rendering@^2
+npm install --no-lockfile @nhsdigital/notify-digital-letters-consumer-contracts@^1
 
 # Reinstall pact to ensure platform-specific native dependencies are present
 # CI may run on a different architectures to local dev