diff --git a/pact-contracts/pacts/letter-rendering/supplier-api-letter-request-prepared.json b/pact-contracts/pacts/letter-rendering/supplier-api-letter-request-prepared.json
new file mode 100644
index 00000000..913266d2
--- /dev/null
+++ b/pact-contracts/pacts/letter-rendering/supplier-api-letter-request-prepared.json
@@ -0,0 +1,248 @@
+{
+  "consumer": {
+    "name": "supplier-api"
+  },
+  "messages": [
+    {
+      "contents": {
+        "data": {
+          "campaignId": "flu-campaign-2025",
+          "clientId": "987e6543-21c0-4d5b-8f9a-abcdef123456",
+          "createdAt": "2025-07-29T08:45:00.000Z",
+          "domainId": "1y3q9987e6543-21c0-4d5b-8f9a-abcdef123456_34hEIElNxpdXPrNv6OBbU0bqNwG_34hEP2Xc3rGunPUAPe0Mst9IIoA",
+          "letterVariantId": "1y3q9v2zzzz",
+          "pageCount": 1,
+          "requestId": "34hEIFCIw5DUTCRDMGv70CEzGgF",
+          "requestItemId": "34hEIElNxpdXPrNv6OBbU0bqNwG",
+          "requestItemPlanId": "34hEP2Xc3rGunPUAPe0Mst9IIoA",
+          "sha256Hash": "3a7bd3e2360a3d80c4d4e8b1e3e5e6e7e8e9e0e1e2e3e4e5e6e7e8e9e0e1e2e3",
+          "status": "PREPARED",
+          "templateId": "template-005",
+          "url": "s3://comms-123456789012-eu-west-2-pdf-pipeline/rendered/client/35b9VJ4ejJZXk0Z9HtQI9khryiz_35b9VgjHJYKoseXAHWT9i44qSbz.pdf"
+        },
+        "datacontenttype": "application/json",
+        "dataschema": "https://notify.nhs.uk/cloudevents/schemas/letter-rendering/letter-request.prepared.2.0.1.schema.json",
+        "dataschemaversion": "2.0.0",
+        "id": "12f1f09c-a555-4d9b-8405-0b33490bc929",
+        "plane": "data",
+        "recordedtime": "2025-08-28T08:45:00.000Z",
+        "severitynumber": 2,
+        "severitytext": "INFO",
+        "source": "/data-plane/letter-rendering/comms-mgr-prod/prod",
+        "specversion": "1.0",
+        "subject": "client/00f3b388-bbe9-41c9-9e76-052d37ee8988/letter-request/0o5Fs0EELR0fUjHjbCnEtdUwQe4_0o5Fs0EELR0fUjHjbCnEtdUwQe5",
+        "time": "2025-07-29T08:50:57.350Z",
+        "traceparent": "00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-01",
+        "type": "uk.nhs.notify.letter-rendering.letter-request.prepared.v2"
+      },
+      "description": "LetterRequestPrepared",
+      "matchingRules": {
+        "body": {
+          "$.data.campaignId": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "type"
+              }
+            ]
+          },
+          "$.data.clientId": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "type"
+              }
+            ]
+          },
+          "$.data.createdAt": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "format": "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
+                "match": "datetime"
+              }
+            ]
+          },
+          "$.data.domainId": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "type"
+              }
+            ]
+          },
+          "$.data.letterVariantId": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "type"
+              }
+            ]
+          },
+          "$.data.pageCount": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "number"
+              }
+            ]
+          },
+          "$.data.requestId": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "type"
+              }
+            ]
+          },
+          "$.data.requestItemId": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "type"
+              }
+            ]
+          },
+          "$.data.requestItemPlanId": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "type"
+              }
+            ]
+          },
+          "$.data.sha256Hash": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "type"
+              }
+            ]
+          },
+          "$.data.templateId": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "type"
+              }
+            ]
+          },
+          "$.data.url": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "regex",
+                "regex": "^s3:\\/\\/.+"
+              }
+            ]
+          },
+          "$.dataschema": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "regex",
+                "regex": "^https:\\/\\/notify\\.nhs\\.uk\\/cloudevents\\/schemas\\/letter-rendering\\/letter-request\\.prepared\\.2\\.\\d+\\.\\d+\\.schema\\.json$"
+              }
+            ]
+          },
+          "$.dataschemaversion": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "regex",
+                "regex": "\\d+\\.\\d+\\.\\d+"
+              }
+            ]
+          },
+          "$.id": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "regex",
+                "regex": "[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}"
+              }
+            ]
+          },
+          "$.recordedtime": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "format": "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
+                "match": "datetime"
+              }
+            ]
+          },
+          "$.severitynumber": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "number"
+              }
+            ]
+          },
+          "$.source": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "type"
+              }
+            ]
+          },
+          "$.specversion": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "regex",
+                "regex": "\\d+\\.\\d+"
+              }
+            ]
+          },
+          "$.subject": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "regex",
+                "regex": "^client\\/[\\d_a-z-]+\\/letter-request\\/[^/]+(?:\\/.*)?$"
+              }
+            ]
+          },
+          "$.time": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "format": "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
+                "match": "datetime"
+              }
+            ]
+          },
+          "$.traceparent": {
+            "combine": "AND",
+            "matchers": [
+              {
+                "match": "type"
+              }
+            ]
+          }
+        }
+      },
+      "metadata": {
+        "contentType": "application/json"
+      }
+    }
+  ],
+  "metadata": {
+    "pact-js": {
+      "version": "16.0.2"
+    },
+    "pactRust": {
+      "ffi": "0.4.28",
+      "models": "1.3.5"
+    },
+    "pactSpecification": {
+      "version": "3.0.0"
+    }
+  },
+  "provider": {
+    "name": "letter-request-prepared"
+  }
+}
\ No newline at end of file