diff --git a/assistant.go b/assistant.go
index 0b218e0..4b4ef18 100644
--- a/assistant.go
+++ b/assistant.go
@@ -1,6 +1,8 @@
 package main
 
 import (
+	"crypto/md5"
+	"encoding/base64"
 	"strconv"
 	"strings"
 	"time"
@@ -234,6 +236,7 @@ func handleAssistantConversation(c tele.Context, thread []*tele.Message) error {
 		Messages:    chatReqMsgs,
 		Temperature: lo.ToPtr(0.42),
 		MaxTokens:   2048,
+		User:        assistantHashUserId(lastMsg.Sender.ID),
 	}
 
 	typingNotifyCh := setTyping(c)
@@ -272,3 +275,9 @@ func assistantRemoveMention(msg, name string) string {
 	}
 	return orig
 }
+
+func assistantHashUserId(uid int64) string {
+	seasoned := []byte("RdnuRPqp66vtbc28QRO0ecKSLKXifz7G9UbXLoyCMpw" + strconv.FormatInt(uid, 10))
+	hashed := md5.Sum(seasoned) // Don't judge me
+	return base64.URLEncoding.EncodeToString(hashed[:])[:22]
+}
diff --git a/openai/chat.go b/openai/chat.go
index ac525df..3564ed6 100644
--- a/openai/chat.go
+++ b/openai/chat.go
@@ -18,16 +18,16 @@ type ChatMessage struct {
 type ChatRequest struct {
 	Model            string             `json:"model"`
 	Messages         []ChatMessage      `json:"messages"`
-	Temperature      *float64           `json:"temperature,omitempty"`
-	TopP             *float64           `json:"top_p,omitempty"`
-	N                int                `json:"n,omitempty"`
-	Stream           bool               `json:"stream,omitempty"`
-	Stop             []string           `json:"stop,omitempty"`
+	Temperature      *float64           `json:"temperature,omitempty"` // What sampling temperature to use, between 0 and 2.
+	TopP             *float64           `json:"top_p,omitempty"`       // Nucleus sampling. Specify this or temperature but not both.
+	N                int                `json:"n,omitempty"`           // How many chat completion choices to generate for each input message.
+	Stream           bool               `json:"stream,omitempty"`      // If set, partial message deltas will be sent as data-only server-sent events as they become available.
+	Stop             []string           `json:"stop,omitempty"`        // Up to 4 sequences where the API will stop generating further tokens.
 	MaxTokens        int                `json:"max_tokens,omitempty"`
-	PresencePenalty  *float64           `json:"presence_penalty,omitempty"`
-	FrequencyPenalty *float64           `json:"frequency_penalty,omitempty"`
-	LogitBias        map[string]float64 `json:"logit_bias,omitempty"`
-	User             string             `json:"user,omitempty"`
+	PresencePenalty  *float64           `json:"presence_penalty,omitempty"`  // Number between -2.0 and 2.0.
+	FrequencyPenalty *float64           `json:"frequency_penalty,omitempty"` // Number between -2.0 and 2.0.
+	LogitBias        map[string]float64 `json:"logit_bias,omitempty"`        // Modify the likelihood of specified tokens appearing in the completion.
+	User             string             `json:"user,omitempty"`              // A unique identifier representing your end-user, which can help OpenAI to monitor and detect abuse.
 }
 
 type ChatResponseChoice struct {