diff --git a/examples/v1.1.0/commercial/purchase/invalid/900-purchase.receipt.invalid.json b/examples/v1.1.0/commercial/purchase/invalid/900-purchase.receipt.invalid.json
index 35d7165..90a7c1a 100644
--- a/examples/v1.1.0/commercial/purchase/invalid/900-purchase.receipt.invalid.json
+++ b/examples/v1.1.0/commercial/purchase/invalid/900-purchase.receipt.invalid.json
@@ -5,7 +5,7 @@
   "receipt_id": "bad-purchasercpt-001",
   "issued_at": "2026-03-19T10:10:02Z",
   "request_id": "purchasereq-001",
-  "status": "rejected",
+  "status": "captured",
   "purchase_id": "purchase-001",
   "payer": {
     "role": "payer",
diff --git a/examples/v1.1.0/commercial/purchase/valid/900-purchase.receipt.valid.json b/examples/v1.1.0/commercial/purchase/valid/900-purchase.receipt.valid.json
index c65c1d0..5d1de7e 100644
--- a/examples/v1.1.0/commercial/purchase/valid/900-purchase.receipt.valid.json
+++ b/examples/v1.1.0/commercial/purchase/valid/900-purchase.receipt.valid.json
@@ -5,7 +5,7 @@
   "receipt_id": "purchasercpt-001",
   "issued_at": "2026-03-19T10:10:02Z",
   "request_id": "purchasereq-001",
-  "status": "accepted",
+  "status": "captured",
   "purchase_id": "purchase-001",
   "payer": {
     "role": "payer",
@@ -49,5 +49,11 @@
   "payment_ref": {
     "type": "payment",
     "id": "pay-2001"
+  },
+  "payment_proof": {
+    "scheme": "x402",
+    "proof_type": "payment-proof",
+    "proof_ref": "proof-2001",
+    "uri": "urn:cl:x402:proof:proof-2001"
   }
 }
diff --git a/schemas/v1.1.0/commercial/purchase/purchase.receipt.schema.json b/schemas/v1.1.0/commercial/purchase/purchase.receipt.schema.json
index d351a0e..0371c41 100644
--- a/schemas/v1.1.0/commercial/purchase/purchase.receipt.schema.json
+++ b/schemas/v1.1.0/commercial/purchase/purchase.receipt.schema.json
@@ -169,6 +169,38 @@
           "$ref": "#/$defs/money"
         }
       }
+    },
+    "x402_proof": {
+      "type": "object",
+      "additionalProperties": false,
+      "required": [
+        "scheme",
+        "proof_type",
+        "proof_ref"
+      ],
+      "properties": {
+        "scheme": {
+          "type": "string",
+          "const": "x402"
+        },
+        "proof_type": {
+          "type": "string",
+          "enum": [
+            "payment-session",
+            "payment-proof"
+          ]
+        },
+        "proof_ref": {
+          "type": "string",
+          "minLength": 1,
+          "maxLength": 128
+        },
+        "uri": {
+          "type": "string",
+          "format": "uri",
+          "maxLength": 512
+        }
+      }
     }
   },
   "properties": {
@@ -201,8 +233,8 @@
     "status": {
       "type": "string",
       "enum": [
-        "accepted",
-        "rejected",
+        "captured",
+        "failed",
         "pending"
       ]
     },
@@ -235,6 +267,9 @@
     "payment_ref": {
       "$ref": "#/$defs/reference"
     },
+    "payment_proof": {
+      "$ref": "#/$defs/x402_proof"
+    },
     "reason": {
       "type": "string",
       "maxLength": 512
@@ -255,12 +290,31 @@
     "settlement"
   ],
   "allOf": [
+    {
+      "if": {
+        "properties": {
+          "status": {
+            "const": "captured"
+          }
+        }
+      },
+      "then": {
+        "properties": {
+          "payment_proof": {
+            "$ref": "#/$defs/x402_proof"
+          }
+        },
+        "required": [
+          "payment_proof"
+        ]
+      }
+    },
     {
       "if": {
         "properties": {
           "status": {
             "enum": [
-              "rejected",
+              "failed",
               "pending"
             ]
           }