diff --git a/package.json b/package.json
index ef0ef46e3..3052eae27 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "opensea-js",
-  "version": "7.0.0",
+  "version": "7.0.1",
   "description": "TypeScript SDK for the OpenSea marketplace helps developers build new experiences using NFTs and our marketplace data",
   "license": "MIT",
   "author": "OpenSea Developers",
diff --git a/src/api/types.ts b/src/api/types.ts
index 7693d9184..13cf09006 100644
--- a/src/api/types.ts
+++ b/src/api/types.ts
@@ -22,10 +22,28 @@ type PartialParameters = {
   zoneHash: string;
 };
 
+/**
+ * Criteria for collection or trait offers.
+ * @category API Response Types
+ */
 type Criteria = {
+  /** The collection for the criteria */
   collection: CollectionCriteria;
-  contract?: ContractCriteria;
+  /** The contract for the criteria */
+  contract: ContractCriteria;
+  /** Represents a list of token ids which can be used to fulfill the criteria offer. */
   encoded_token_ids?: string;
+  /** The trait for the criteria */
+  trait?: TraitCriteria;
+};
+
+/**
+ * Criteria for trait offers.
+ * @category API Response Types
+ */
+type TraitCriteria = {
+  type: string;
+  value: string;
 };
 
 type CollectionCriteria = {
@@ -66,16 +84,16 @@ export type Order = {
  * Offer type.
  * @category API Models
  */
-export type Offer = Order;
+export type Offer = Order & {
+  /** The criteria for the offer if it is a collection or trait offer. */
+  criteria?: Criteria;
+};
 
 /**
  * Collection Offer type.
  * @category API Models
  */
-export type CollectionOffer = Offer & {
-  /** Defines which NFTs meet the criteria to fulfill the offer. */
-  criteria: Criteria;
-};
+export type CollectionOffer = Required<Pick<Offer, "criteria">> & Offer;
 
 /**
  * Price response.
diff --git a/src/orders/types.ts b/src/orders/types.ts
index 81deacda5..c64fd0241 100644
--- a/src/orders/types.ts
+++ b/src/orders/types.ts
@@ -10,8 +10,12 @@ export type OrderProtocol = keyof OrderProtocolToProtocolData;
 export type ProtocolData =
   OrderProtocolToProtocolData[keyof OrderProtocolToProtocolData];
 
-// Protocol agnostic order data
-export type OrderType = "basic" | "english" | "criteria";
+export enum OrderType {
+  BASIC = "basic",
+  ENGLISH = "english",
+  CRITERIA = "criteria",
+}
+
 type OrderFee = {
   account: OpenSeaAccount;
   basisPoints: string;
diff --git a/src/sdk.ts b/src/sdk.ts
index 3b49106c7..5ef500bcb 100644
--- a/src/sdk.ts
+++ b/src/sdk.ts
@@ -18,7 +18,7 @@ import {
   JsonRpcProvider,
 } from "ethers";
 import { OpenSeaAPI } from "./api/api";
-import { CollectionOffer, NFT } from "./api/types";
+import { CollectionOffer, Listing, NFT, Order } from "./api/types";
 import {
   INVERSE_BASIS_POINT,
   DEFAULT_ZONE,
@@ -30,7 +30,7 @@ import {
   getPrivateListingConsiderations,
   getPrivateListingFulfillments,
 } from "./orders/privateListings";
-import { OrderV2 } from "./orders/types";
+import { OrderType, OrderV2 } from "./orders/types";
 import { DEFAULT_SEAPORT_CONTRACT_ADDRESS } from "./orders/utils";
 import {
   ERC1155__factory,
@@ -686,23 +686,38 @@ export class OpenSeaSDK {
     domain,
     overrides,
   }: {
-    order: OrderV2;
+    order: OrderV2 | Order;
     accountAddress: string;
     recipientAddress?: string;
     domain?: string;
     overrides?: Overrides;
   }): Promise<string> {
     await this._requireAccountIsAvailable(accountAddress);
-    requireValidProtocol(order.protocolAddress);
+
+    const protocolAddress =
+      (order as OrderV2).protocolAddress ?? (order as Order).protocol_address;
+    requireValidProtocol(protocolAddress);
+
+    const orderHash =
+      (order as OrderV2).orderHash ?? (order as Order).order_hash;
+
+    const side =
+      (order as OrderV2).side ??
+      ([OrderType.BASIC, OrderType.ENGLISH].includes((order as Listing).type)
+        ? OrderSide.ASK
+        : OrderSide.BID);
 
     let extraData: string | undefined = undefined;
 
-    if (order.orderHash) {
+    const protocolData =
+      (order as OrderV2).protocolData ?? (order as Order).protocol_data;
+
+    if (orderHash) {
       const result = await this.api.generateFulfillmentData(
         accountAddress,
-        order.orderHash,
-        order.protocolAddress,
-        order.side,
+        orderHash,
+        protocolAddress,
+        side,
       );
 
       // If the order is using offer protection, the extraData
@@ -711,13 +726,11 @@ export class OpenSeaSDK {
       if ("orders" in inputData && "extraData" in inputData.orders[0]) {
         extraData = (inputData.orders[0] as AdvancedOrder).extraData;
       }
-
       const signature = result.fulfillment_data.orders[0].signature;
-      order.clientSignature = signature;
-      order.protocolData.signature = signature;
+      protocolData.signature = signature;
     }
 
-    const isPrivateListing = !!order.taker;
+    const isPrivateListing = "taker" in order ? !!order.taker : false;
     if (isPrivateListing) {
       if (recipientAddress) {
         throw new Error(
@@ -725,7 +738,7 @@ export class OpenSeaSDK {
         );
       }
       return this.fulfillPrivateOrder({
-        order,
+        order: order as OrderV2,
         accountAddress,
         domain,
         overrides,
@@ -733,7 +746,7 @@ export class OpenSeaSDK {
     }
 
     const { executeAllActions } = await this.seaport_v1_5.fulfillOrder({
-      order: order.protocolData,
+      order: protocolData,
       accountAddress,
       recipientAddress,
       extraData,