diff --git a/packages/json-schemas/schemas/eip712_domain_schema.json b/packages/json-schemas/schemas/eip712_domain_schema.json
new file mode 100644
index 0000000000..3c5bbea89b
--- /dev/null
+++ b/packages/json-schemas/schemas/eip712_domain_schema.json
@@ -0,0 +1,14 @@
+{
+    "id": "/eip712DomainSchema",
+    "properties": {
+        "name": { "type": "string" },
+        "version": { "type": "version" },
+        "chainId": { "type": "number" },
+        "verifyingContractAddress": { "$ref": "/addressSchema" }
+    },
+    "required": [
+        "chainId",
+        "verifyingContractAddress"
+    ],
+    "type": "object"
+}
diff --git a/packages/json-schemas/schemas/eip712_typed_data_schema.json b/packages/json-schemas/schemas/eip712_typed_data_schema.json
index 8efd6de448..6409819fc6 100644
--- a/packages/json-schemas/schemas/eip712_typed_data_schema.json
+++ b/packages/json-schemas/schemas/eip712_typed_data_schema.json
@@ -21,7 +21,7 @@
             "required": ["EIP712Domain"]
         },
         "primaryType": { "type": "string" },
-        "domain": { "type": "object" },
+        "domain": { "$ref": "/eip712DomainSchema" },
         "message": { "type": "object" }
     },
     "required": ["types", "primaryType", "domain", "message"]
diff --git a/packages/json-schemas/schemas/order_schema.json b/packages/json-schemas/schemas/order_schema.json
index 543d226ff9..ff693da811 100644
--- a/packages/json-schemas/schemas/order_schema.json
+++ b/packages/json-schemas/schemas/order_schema.json
@@ -11,10 +11,9 @@
         "makerAssetData": { "$ref": "/hexSchema" },
         "takerAssetData": { "$ref": "/hexSchema" },
         "salt": { "$ref": "/wholeNumberSchema" },
-        "exchangeAddress": { "$ref": "/addressSchema" },
-        "chainId": { "type": "number" },
         "feeRecipientAddress": { "$ref": "/addressSchema" },
-        "expirationTimeSeconds": { "$ref": "/wholeNumberSchema" }
+        "expirationTimeSeconds": { "$ref": "/wholeNumberSchema" },
+        "domain": { "$ref": "/eip712DomainSchema" }
     },
     "required": [
         "makerAddress",
@@ -27,10 +26,9 @@
         "makerAssetData",
         "takerAssetData",
         "salt",
-        "exchangeAddress",
-        "chainId",
         "feeRecipientAddress",
-        "expirationTimeSeconds"
+        "expirationTimeSeconds",
+        "domain"
     ],
     "type": "object"
 }
diff --git a/packages/json-schemas/schemas/zero_ex_transaction_schema.json b/packages/json-schemas/schemas/zero_ex_transaction_schema.json
index ffdf1f2295..b0578b9968 100644
--- a/packages/json-schemas/schemas/zero_ex_transaction_schema.json
+++ b/packages/json-schemas/schemas/zero_ex_transaction_schema.json
@@ -1,11 +1,11 @@
 {
     "id": "/zeroExTransactionSchema",
     "properties": {
-        "verifyingContractAddress": { "$ref": "/addressSchema" },
         "data": { "$ref": "/hexSchema" },
         "signerAddress": { "$ref": "/addressSchema" },
-        "salt": { "$ref": "/wholeNumberSchema" }
+        "salt": { "$ref": "/wholeNumberSchema" },
+        "domain": { "$ref": "/eip712DomainSchema" }
     },
-    "required": ["verifyingContractAddress", "data", "salt", "signerAddress"],
+    "required": ["data", "salt", "signerAddress", "domain"],
     "type": "object"
 }
diff --git a/packages/json-schemas/src/schemas.ts b/packages/json-schemas/src/schemas.ts
index 9e8eb6959f..a79bcfc7e4 100644
--- a/packages/json-schemas/src/schemas.ts
+++ b/packages/json-schemas/src/schemas.ts
@@ -5,6 +5,7 @@ import * as blockRangeSchema from '../schemas/block_range_schema.json';
 import * as callDataSchema from '../schemas/call_data_schema.json';
 import * as ecSignatureParameterSchema from '../schemas/ec_signature_parameter_schema.json';
 import * as ecSignatureSchema from '../schemas/ec_signature_schema.json';
+import * as eip712DomainSchema from '../schemas/eip712_domain_schema.json';
 import * as eip712TypedDataSchema from '../schemas/eip712_typed_data_schema.json';
 import * as hexSchema from '../schemas/hex_schema.json';
 import * as indexFilterValuesSchema from '../schemas/index_filter_values_schema.json';
@@ -52,6 +53,7 @@ export const schemas = {
     hexSchema,
     ecSignatureParameterSchema,
     ecSignatureSchema,
+    eip712DomainSchema,
     eip712TypedDataSchema,
     indexFilterValuesSchema,
     orderCancellationRequestsSchema,
diff --git a/packages/json-schemas/test/schema_test.ts b/packages/json-schemas/test/schema_test.ts
index 51723732ca..bb16f4bbbe 100644
--- a/packages/json-schemas/test/schema_test.ts
+++ b/packages/json-schemas/test/schema_test.ts
@@ -216,9 +216,11 @@ describe('Schema', () => {
             takerAssetData: NULL_ADDRESS,
             salt: '67006738228878699843088602623665307406148487219438534730168799356281242528500',
             feeRecipientAddress: NULL_ADDRESS,
-            exchangeAddress: NULL_ADDRESS,
-            chainId: CHAIN_ID,
             expirationTimeSeconds: '42',
+            domain: {
+                verifyingContractAddress: NULL_ADDRESS,
+                chainId: CHAIN_ID,
+            },
         };
         const relayerApiOrder = {
             order,
diff --git a/packages/json-schemas/tsconfig.json b/packages/json-schemas/tsconfig.json
index 7d7ce1d7e6..25d5f306fb 100644
--- a/packages/json-schemas/tsconfig.json
+++ b/packages/json-schemas/tsconfig.json
@@ -15,6 +15,7 @@
         "./schemas/call_data_schema.json",
         "./schemas/ec_signature_parameter_schema.json",
         "./schemas/ec_signature_schema.json",
+        "./schemas/eip712_domain_schema.json",
         "./schemas/eip712_typed_data_schema.json",
         "./schemas/order_cancel_schema.json",
         "./schemas/order_fill_or_kill_requests_schema.json",