diff --git a/bot/ctx_call.go b/bot/ctx_call.go
index 4ca6eb1..71bd90f 100644
--- a/bot/ctx_call.go
+++ b/bot/ctx_call.go
@@ -86,7 +86,7 @@ func (ctx *Context) callCmd(ev interface{}) (bottomError error) {
 		msc = &gateway.MessageCreateEvent{Message: *m, Member: up.Member}
 
 		// Fill up member, if available.
-		if m.GuildID.Valid() && up.Member == nil {
+		if m.GuildID.IsValid() && up.Member == nil {
 			if mem, err := ctx.Store.Member(m.GuildID, m.Author.ID); err == nil {
 				msc.Member = mem
 			}
diff --git a/bot/extras/infer/infer.go b/bot/extras/infer/infer.go
index b03b80f..d4e1767 100644
--- a/bot/extras/infer/infer.go
+++ b/bot/extras/infer/infer.go
@@ -64,7 +64,7 @@ func reflectID(v reflect.Value, thing string) discord.Snowflake {
 
 		switch fType.Kind() {
 		case reflect.Struct:
-			if chID := reflectID(v.Field(i), thing); chID.Valid() {
+			if chID := reflectID(v.Field(i), thing); chID.IsValid() {
 				return chID
 			}
 		case reflect.Int64:
@@ -175,7 +175,7 @@ func applyInstructions(v reflect.Value, instructions []step) discord.Snowflake {
 					if ins.ptr {
 						value = value.Elem()
 					}
-					if id := applyInstructions(value, instructions); id.Valid() {
+					if id := applyInstructions(value, instructions); id.IsValid() {
 						return id
 					}
 				}
@@ -238,7 +238,7 @@ func (r *reflector) _id(v reflect.Value, t reflect.Type) (chID discord.Snowflake
 
 		switch fType.Kind() {
 		case reflect.Struct:
-			if chID = r._id(value, fType); chID.Valid() {
+			if chID = r._id(value, fType); chID.IsValid() {
 				ins.field = i
 				ins.ptr = ptr
 			}
diff --git a/bot/extras/middlewares/middlewares.go b/bot/extras/middlewares/middlewares.go
index e4bd473..5b4be2f 100644
--- a/bot/extras/middlewares/middlewares.go
+++ b/bot/extras/middlewares/middlewares.go
@@ -9,12 +9,12 @@ import (
 func AdminOnly(ctx *bot.Context) func(interface{}) error {
 	return func(ev interface{}) error {
 		var channelID = infer.ChannelID(ev)
-		if !channelID.Valid() {
+		if !channelID.IsValid() {
 			return bot.Break
 		}
 
 		var userID = infer.UserID(ev)
-		if !userID.Valid() {
+		if !userID.IsValid() {
 			return bot.Break
 		}
 
@@ -30,17 +30,17 @@ func AdminOnly(ctx *bot.Context) func(interface{}) error {
 func GuildOnly(ctx *bot.Context) func(interface{}) error {
 	return func(ev interface{}) error {
 		// Try and infer the GuildID.
-		if guildID := infer.GuildID(ev); guildID.Valid() {
+		if guildID := infer.GuildID(ev); guildID.IsValid() {
 			return nil
 		}
 
 		var channelID = infer.ChannelID(ev)
-		if !channelID.Valid() {
+		if !channelID.IsValid() {
 			return bot.Break
 		}
 
 		c, err := ctx.Channel(channelID)
-		if err != nil || !c.GuildID.Valid() {
+		if err != nil || !c.GuildID.IsValid() {
 			return bot.Break
 		}
 
diff --git a/discord/emoji.go b/discord/emoji.go
index 71a5795..5f93b6a 100644
--- a/discord/emoji.go
+++ b/discord/emoji.go
@@ -46,7 +46,7 @@ func (e Emoji) EmojiURLWithType(t ImageType) string {
 
 // APIString returns a string usable for sending over to the API.
 func (e Emoji) APIString() string {
-	if !e.ID.Valid() {
+	if !e.ID.IsValid() {
 		return e.Name // is unicode
 	}
 
diff --git a/discord/message.go b/discord/message.go
index 4b55cec..c38155f 100644
--- a/discord/message.go
+++ b/discord/message.go
@@ -58,7 +58,7 @@ type Message struct {
 // have a GuildID, it will generate a URL with the guild "@me".
 func (m Message) URL() string {
 	var guildID = "@me"
-	if m.GuildID.Valid() {
+	if m.GuildID.IsValid() {
 		guildID = m.GuildID.String()
 	}
 
diff --git a/discord/snowflake.go b/discord/snowflake.go
index 1661a37..125b595 100644
--- a/discord/snowflake.go
+++ b/discord/snowflake.go
@@ -52,7 +52,7 @@ func (s *Snowflake) UnmarshalJSON(v []byte) error {
 func (s Snowflake) MarshalJSON() ([]byte, error) {
 	// This includes 0 and null, because MarshalJSON does not dictate when a
 	// value gets omitted.
-	if !s.Valid() {
+	if !s.IsValid() {
 		return []byte("null"), nil
 	} else {
 		return []byte(`"` + strconv.FormatInt(int64(s), 10) + `"`), nil
@@ -62,14 +62,14 @@ func (s Snowflake) MarshalJSON() ([]byte, error) {
 // String returns the ID, or nothing if the snowflake isn't valid.
 func (s Snowflake) String() string {
 	// Check if negative.
-	if !s.Valid() {
+	if !s.IsValid() {
 		return ""
 	}
 	return strconv.FormatUint(uint64(s), 10)
 }
 
-// Valid returns whether or not the snowflake is valid.
-func (s Snowflake) Valid() bool {
+// IsValid returns whether or not the snowflake is valid.
+func (s Snowflake) IsValid() bool {
 	return int64(s) > 0
 }
 
@@ -100,7 +100,7 @@ type AppID Snowflake
 func (s AppID) MarshalJSON() ([]byte, error)  { return Snowflake(s).MarshalJSON() }
 func (s *AppID) UnmarshalJSON(v []byte) error { return (*Snowflake)(s).UnmarshalJSON(v) }
 func (s AppID) String() string                { return Snowflake(s).String() }
-func (s AppID) Valid() bool                   { return Snowflake(s).Valid() }
+func (s AppID) IsValid() bool                 { return Snowflake(s).IsValid() }
 func (s AppID) IsNull() bool                  { return Snowflake(s).IsNull() }
 func (s AppID) Time() time.Time               { return Snowflake(s).Time() }
 func (s AppID) Worker() uint8                 { return Snowflake(s).Worker() }
@@ -112,7 +112,7 @@ type AttachmentID Snowflake
 func (s AttachmentID) MarshalJSON() ([]byte, error)  { return Snowflake(s).MarshalJSON() }
 func (s *AttachmentID) UnmarshalJSON(v []byte) error { return (*Snowflake)(s).UnmarshalJSON(v) }
 func (s AttachmentID) String() string                { return Snowflake(s).String() }
-func (s AttachmentID) Valid() bool                   { return Snowflake(s).Valid() }
+func (s AttachmentID) IsValid() bool                 { return Snowflake(s).IsValid() }
 func (s AttachmentID) IsNull() bool                  { return Snowflake(s).IsNull() }
 func (s AttachmentID) Time() time.Time               { return Snowflake(s).Time() }
 func (s AttachmentID) Worker() uint8                 { return Snowflake(s).Worker() }
@@ -124,7 +124,7 @@ type AuditLogEntryID Snowflake
 func (s AuditLogEntryID) MarshalJSON() ([]byte, error)  { return Snowflake(s).MarshalJSON() }
 func (s *AuditLogEntryID) UnmarshalJSON(v []byte) error { return (*Snowflake)(s).UnmarshalJSON(v) }
 func (s AuditLogEntryID) String() string                { return Snowflake(s).String() }
-func (s AuditLogEntryID) Valid() bool                   { return Snowflake(s).Valid() }
+func (s AuditLogEntryID) IsValid() bool                 { return Snowflake(s).IsValid() }
 func (s AuditLogEntryID) IsNull() bool                  { return Snowflake(s).IsNull() }
 func (s AuditLogEntryID) Time() time.Time               { return Snowflake(s).Time() }
 func (s AuditLogEntryID) Worker() uint8                 { return Snowflake(s).Worker() }
@@ -136,7 +136,7 @@ type ChannelID Snowflake
 func (s ChannelID) MarshalJSON() ([]byte, error)  { return Snowflake(s).MarshalJSON() }
 func (s *ChannelID) UnmarshalJSON(v []byte) error { return (*Snowflake)(s).UnmarshalJSON(v) }
 func (s ChannelID) String() string                { return Snowflake(s).String() }
-func (s ChannelID) Valid() bool                   { return Snowflake(s).Valid() }
+func (s ChannelID) IsValid() bool                 { return Snowflake(s).IsValid() }
 func (s ChannelID) IsNull() bool                  { return Snowflake(s).IsNull() }
 func (s ChannelID) Time() time.Time               { return Snowflake(s).Time() }
 func (s ChannelID) Worker() uint8                 { return Snowflake(s).Worker() }
@@ -148,7 +148,7 @@ type EmojiID Snowflake
 func (s EmojiID) MarshalJSON() ([]byte, error)  { return Snowflake(s).MarshalJSON() }
 func (s *EmojiID) UnmarshalJSON(v []byte) error { return (*Snowflake)(s).UnmarshalJSON(v) }
 func (s EmojiID) String() string                { return Snowflake(s).String() }
-func (s EmojiID) Valid() bool                   { return Snowflake(s).Valid() }
+func (s EmojiID) IsValid() bool                 { return Snowflake(s).IsValid() }
 func (s EmojiID) IsNull() bool                  { return Snowflake(s).IsNull() }
 func (s EmojiID) Time() time.Time               { return Snowflake(s).Time() }
 func (s EmojiID) Worker() uint8                 { return Snowflake(s).Worker() }
@@ -160,7 +160,7 @@ type IntegrationID Snowflake
 func (s IntegrationID) MarshalJSON() ([]byte, error)  { return Snowflake(s).MarshalJSON() }
 func (s *IntegrationID) UnmarshalJSON(v []byte) error { return (*Snowflake)(s).UnmarshalJSON(v) }
 func (s IntegrationID) String() string                { return Snowflake(s).String() }
-func (s IntegrationID) Valid() bool                   { return Snowflake(s).Valid() }
+func (s IntegrationID) IsValid() bool                 { return Snowflake(s).IsValid() }
 func (s IntegrationID) IsNull() bool                  { return Snowflake(s).IsNull() }
 func (s IntegrationID) Time() time.Time               { return Snowflake(s).Time() }
 func (s IntegrationID) Worker() uint8                 { return Snowflake(s).Worker() }
@@ -172,7 +172,7 @@ type GuildID Snowflake
 func (s GuildID) MarshalJSON() ([]byte, error)  { return Snowflake(s).MarshalJSON() }
 func (s *GuildID) UnmarshalJSON(v []byte) error { return (*Snowflake)(s).UnmarshalJSON(v) }
 func (s GuildID) String() string                { return Snowflake(s).String() }
-func (s GuildID) Valid() bool                   { return Snowflake(s).Valid() }
+func (s GuildID) IsValid() bool                 { return Snowflake(s).IsValid() }
 func (s GuildID) IsNull() bool                  { return Snowflake(s).IsNull() }
 func (s GuildID) Time() time.Time               { return Snowflake(s).Time() }
 func (s GuildID) Worker() uint8                 { return Snowflake(s).Worker() }
@@ -184,7 +184,7 @@ type MessageID Snowflake
 func (s MessageID) MarshalJSON() ([]byte, error)  { return Snowflake(s).MarshalJSON() }
 func (s *MessageID) UnmarshalJSON(v []byte) error { return (*Snowflake)(s).UnmarshalJSON(v) }
 func (s MessageID) String() string                { return Snowflake(s).String() }
-func (s MessageID) Valid() bool                   { return Snowflake(s).Valid() }
+func (s MessageID) IsValid() bool                 { return Snowflake(s).IsValid() }
 func (s MessageID) IsNull() bool                  { return Snowflake(s).IsNull() }
 func (s MessageID) Time() time.Time               { return Snowflake(s).Time() }
 func (s MessageID) Worker() uint8                 { return Snowflake(s).Worker() }
@@ -196,7 +196,7 @@ type RoleID Snowflake
 func (s RoleID) MarshalJSON() ([]byte, error)  { return Snowflake(s).MarshalJSON() }
 func (s *RoleID) UnmarshalJSON(v []byte) error { return (*Snowflake)(s).UnmarshalJSON(v) }
 func (s RoleID) String() string                { return Snowflake(s).String() }
-func (s RoleID) Valid() bool                   { return Snowflake(s).Valid() }
+func (s RoleID) IsValid() bool                 { return Snowflake(s).IsValid() }
 func (s RoleID) IsNull() bool                  { return Snowflake(s).IsNull() }
 func (s RoleID) Time() time.Time               { return Snowflake(s).Time() }
 func (s RoleID) Worker() uint8                 { return Snowflake(s).Worker() }
@@ -208,7 +208,7 @@ type UserID Snowflake
 func (s UserID) MarshalJSON() ([]byte, error)  { return Snowflake(s).MarshalJSON() }
 func (s *UserID) UnmarshalJSON(v []byte) error { return (*Snowflake)(s).UnmarshalJSON(v) }
 func (s UserID) String() string                { return Snowflake(s).String() }
-func (s UserID) Valid() bool                   { return Snowflake(s).Valid() }
+func (s UserID) IsValid() bool                 { return Snowflake(s).IsValid() }
 func (s UserID) IsNull() bool                  { return Snowflake(s).IsNull() }
 func (s UserID) Time() time.Time               { return Snowflake(s).Time() }
 func (s UserID) Worker() uint8                 { return Snowflake(s).Worker() }
@@ -220,7 +220,7 @@ type WebhookID Snowflake
 func (s WebhookID) MarshalJSON() ([]byte, error)  { return Snowflake(s).MarshalJSON() }
 func (s *WebhookID) UnmarshalJSON(v []byte) error { return (*Snowflake)(s).UnmarshalJSON(v) }
 func (s WebhookID) String() string                { return Snowflake(s).String() }
-func (s WebhookID) Valid() bool                   { return Snowflake(s).Valid() }
+func (s WebhookID) IsValid() bool                 { return Snowflake(s).IsValid() }
 func (s WebhookID) IsNull() bool                  { return Snowflake(s).IsNull() }
 func (s WebhookID) Time() time.Time               { return Snowflake(s).Time() }
 func (s WebhookID) Worker() uint8                 { return Snowflake(s).Worker() }
diff --git a/discord/time.go b/discord/time.go
index 1d2cfb3..ef39355 100644
--- a/discord/time.go
+++ b/discord/time.go
@@ -7,7 +7,7 @@ import (
 	"time"
 )
 
-// Timestamp has a valid zero-value, which can be checked using the Valid()
+// Timestamp has a valid zero-value, which can be checked using the IsValid()
 // method. This is useful for optional timestamps such as EditedTimestamp.
 type Timestamp time.Time
 
@@ -45,14 +45,14 @@ func (t *Timestamp) UnmarshalJSON(v []byte) error {
 // MarshalJSON returns null if Timestamp is not valid (zero). It returns the
 // time formatted in RFC3339 otherwise.
 func (t Timestamp) MarshalJSON() ([]byte, error) {
-	if !t.Valid() {
+	if !t.IsValid() {
 		return []byte("null"), nil
 	}
 
 	return []byte(`"` + t.Format(TimestampFormat) + `"`), nil
 }
 
-func (t Timestamp) Valid() bool {
+func (t Timestamp) IsValid() bool {
 	return !t.Time().IsZero()
 }
 
diff --git a/state/state.go b/state/state.go
index 81c47df..3e12c6e 100644
--- a/state/state.go
+++ b/state/state.go
@@ -150,7 +150,7 @@ func (s *State) WithContext(ctx context.Context) *State {
 //// Helper methods
 
 func (s *State) AuthorDisplayName(message *gateway.MessageCreateEvent) string {
-	if !message.GuildID.Valid() {
+	if !message.GuildID.IsValid() {
 		return message.Author.Username
 	}
 
@@ -183,7 +183,7 @@ func (s *State) MemberDisplayName(guildID discord.GuildID, userID discord.UserID
 }
 
 func (s *State) AuthorColor(message *gateway.MessageCreateEvent) (discord.Color, error) {
-	if !message.GuildID.Valid() { // this is a dm
+	if !message.GuildID.IsValid() { // this is a dm
 		return discord.DefaultMemberColor, nil
 	}
 
@@ -593,7 +593,7 @@ func (s *State) Presence(
 	}
 
 	// If there's no guild ID, look in all guilds
-	if !guildID.Valid() {
+	if !guildID.IsValid() {
 		g, err := s.Guilds()
 		if err != nil {
 			return nil, err
diff --git a/state/store.go b/state/store.go
index 1d8ccb5..855aa86 100644
--- a/state/store.go
+++ b/state/store.go
@@ -103,7 +103,7 @@ func DiffMessage(src discord.Message, dst *discord.Message) {
 	if src.Content != "" {
 		dst.Content = src.Content
 	}
-	if src.EditedTimestamp.Valid() {
+	if src.EditedTimestamp.IsValid() {
 		dst.EditedTimestamp = src.EditedTimestamp
 	}
 	if src.Mentions != nil {
@@ -115,10 +115,10 @@ func DiffMessage(src discord.Message, dst *discord.Message) {
 	if src.Attachments != nil {
 		dst.Attachments = src.Attachments
 	}
-	if src.Timestamp.Valid() {
+	if src.Timestamp.IsValid() {
 		dst.Timestamp = src.Timestamp
 	}
-	if src.Author.ID.Valid() {
+	if src.Author.ID.IsValid() {
 		dst.Author = src.Author
 	}
 	if src.Reactions != nil {
diff --git a/state/store_default.go b/state/store_default.go
index bbb9ef6..2993f9c 100644
--- a/state/store_default.go
+++ b/state/store_default.go
@@ -76,7 +76,7 @@ func (s *DefaultStore) Me() (*discord.User, error) {
 	s.mut.RLock()
 	defer s.mut.RUnlock()
 
-	if !s.self.ID.Valid() {
+	if !s.self.ID.IsValid() {
 		return nil, ErrStoreNotFound
 	}
 
@@ -161,7 +161,7 @@ func (s *DefaultStore) ChannelSet(channel discord.Channel) error {
 	s.mut.Lock()
 	defer s.mut.Unlock()
 
-	if !channel.GuildID.Valid() {
+	if !channel.GuildID.IsValid() {
 		s.privates[channel.ID] = channel
 
 	} else {
diff --git a/voice/session.go b/voice/session.go
index aceda2e..264c86f 100644
--- a/voice/session.go
+++ b/voice/session.go
@@ -138,7 +138,7 @@ func (s *Session) JoinChannelCtx(ctx context.Context, gID discord.GuildID, cID d
 
 	// Ensure that if `cID` is zero that it passes null to the update event.
 	var channelID discord.ChannelID = -1
-	if cID.Valid() {
+	if cID.IsValid() {
 		channelID = cID
 	}
 
diff --git a/voice/voicegateway/commands.go b/voice/voicegateway/commands.go
index a23fd62..b292b60 100644
--- a/voice/voicegateway/commands.go
+++ b/voice/voicegateway/commands.go
@@ -153,7 +153,7 @@ func (c *Gateway) ResumeCtx(ctx context.Context) error {
 	sessionID := c.state.SessionID
 	token := c.state.Token
 
-	if !guildID.Valid() || sessionID == "" || token == "" {
+	if !guildID.IsValid() || sessionID == "" || token == "" {
 		return ErrMissingForResume
 	}