diff --git a/package-lock.json b/package-lock.json
index 3b5f2f8..5458d7e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@siebly/htx-api",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@siebly/htx-api",
-      "version": "1.0.4",
+      "version": "1.0.5",
       "license": "MIT",
       "dependencies": {
         "axios": "1.18.1",
diff --git a/package.json b/package.json
index 7fabab0..4ccf068 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@siebly/htx-api",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "description": "Complete & robust Node.js SDK for HTX's REST APIs and WebSockets, with TypeScript & strong end to end tests.",
   "scripts": {
     "clean": "node scripts/clean.mjs",
diff --git a/src/types/request/futures.types.ts b/src/types/request/futures.types.ts
index 220bd2d..37d81d9 100644
--- a/src/types/request/futures.types.ts
+++ b/src/types/request/futures.types.ts
@@ -114,8 +114,8 @@ export type FuturesTrailingOrderPriceType =
 /** V5 order type */
 export type FuturesV5OrderType = 'market' | 'limit' | 'post_only';
 
-/** Time in force */
-export type FuturesTimeInForce = 'fok' | 'ioc' | 'gtc';
+/** Time in force. `rpi` places an RPI order. */
+export type FuturesTimeInForce = 'fok' | 'ioc' | 'gtc' | 'rpi';
 
 /** Trigger price type */
 export type FuturesTriggerPriceType = 'last' | 'market';
diff --git a/src/types/request/spot.types.ts b/src/types/request/spot.types.ts
index 15fc3c7..ca76ebb 100644
--- a/src/types/request/spot.types.ts
+++ b/src/types/request/spot.types.ts
@@ -240,6 +240,8 @@ export interface SpotGetOrderHistory48hReq {
   direct?: 'prev' | 'next';
   /** Items per response [10-1000]. Default 100 */
   size?: number;
+  /** created-at: order creation time. updated-at: last update time. */
+  'sort-by'?: 'created-at' | 'updated-at';
 }
 
 /** Req for GET /v1/order/matchresults (search match results) */
diff --git a/src/types/response/futures.types.ts b/src/types/response/futures.types.ts
index 43d4acc..65df379 100644
--- a/src/types/response/futures.types.ts
+++ b/src/types/response/futures.types.ts
@@ -456,6 +456,10 @@ export interface FuturesTrade {
   business_type?: string;
   trade_turnover?: string | number;
   symbol?: string;
+  /** Whether the trade involved an RPI order. USDT-M uses snake_case. */
+  is_rpi_trade?: boolean | number | string;
+  /** Whether the trade is an RPI trade. Coin-M uses the hyphenated name. */
+  'is-rpi-trade'?: boolean | number | string;
 }
 
 /** Last trade tick from market/trade. Payload in "tick". */
diff --git a/src/types/response/ws.ts b/src/types/response/ws.ts
index d004371..9f05a2b 100644
--- a/src/types/response/ws.ts
+++ b/src/types/response/ws.ts
@@ -61,3 +61,27 @@ export interface WsSpotFullDepthTick {
   version?: number;
   ts?: number;
 }
+
+/** Tick from USDT-M `market.$contract_code.full_depth.$type` (includes RPI orders) */
+export interface WsLinearSwapFullDepthTick {
+  mrid?: number;
+  id?: number;
+  bids?: [number, number][];
+  asks?: [number, number][];
+  ts?: number;
+  version?: number;
+  ch?: string;
+}
+
+/** Trade from USDT-M `market.$contract_code.trade.detail` (sub and req) */
+export interface WsLinearSwapTradeDetail {
+  id?: number;
+  price?: number | string;
+  amount?: number | string;
+  direction?: string;
+  ts?: number;
+  quantity?: number | string;
+  trade_turnover?: number | string;
+  /** Whether the trade involved an RPI order */
+  is_rpi_trade?: boolean | number | string;
+}
diff --git a/src/types/websockets/ws-subscriptions.ts b/src/types/websockets/ws-subscriptions.ts
index 9980c37..1091e92 100644
--- a/src/types/websockets/ws-subscriptions.ts
+++ b/src/types/websockets/ws-subscriptions.ts
@@ -32,6 +32,7 @@ export const WS_SPOT_PRIVATE_TOPICS = [
 export const WS_DERIVATIVES_PUBLIC_TOPICS = [
   'market.$contract_code.kline.$period',
   'market.$contract_code.depth.$type',
+  'market.$contract_code.full_depth.$type',
   'market.$contract_code.depth.size_${size}.high_freq',
   'market.$contract_code.detail',
   'market.$contract_code.bbo',