diff --git a/textinput/textinput.go b/textinput/textinput.go
index 9692ed7c..98af83d4 100644
--- a/textinput/textinput.go
+++ b/textinput/textinput.go
@@ -81,6 +81,15 @@ const (
 	CursorHide
 )
 
+// ValidateAction describes the behavior on input validation.
+type ValidateAction int
+
+// Available validate actions.
+const (
+	BlockInput ValidateAction = iota
+	AllowInput
+)
+
 // String returns a the cursor mode in a human-readable format. This method is
 // provisional and for informational purposes only.
 func (c CursorMode) String() string {
@@ -159,6 +168,10 @@ type Model struct {
 	// error returned by the function. If the function is not defined, all
 	// input is considered valid.
 	Validate ValidateFunc
+
+	// ValidateAction determines what action to take if the last input was
+	// invalid.
+	ValidateAction ValidateAction
 }
 
 // New creates a new model with default settings.
@@ -191,14 +204,12 @@ var NewModel = New
 // SetValue sets the value of the text input.
 func (m *Model) SetValue(s string) {
 	if m.Validate != nil {
-		if err := m.Validate(s); err != nil {
-			m.Err = err
+		m.Err = m.Validate(s)
+		if m.Err != nil && m.ValidateAction == BlockInput {
 			return
 		}
 	}
 
-	m.Err = nil
-
 	runes := []rune(s)
 	if m.CharLimit > 0 && len(runes) > m.CharLimit {
 		m.value = runes[:m.CharLimit]
@@ -362,7 +373,9 @@ func (m *Model) handlePaste(v string) bool {
 	value := append(head, tail...)
 	m.SetValue(string(value))
 
-	if m.Err != nil {
+	// If validation failed and we're blocking input, revert to the previous
+	// cursor position
+	if m.Validate != nil && m.ValidateAction == BlockInput && m.Err != nil {
 		m.pos = oldPos
 	}
 
@@ -612,8 +625,6 @@ func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
 	case tea.KeyMsg:
 		switch msg.Type {
 		case tea.KeyBackspace, tea.KeyCtrlH: // delete character before cursor
-			m.Err = nil
-
 			if msg.Alt {
 				resetBlink = m.deleteWordLeft()
 			} else {
@@ -624,6 +635,13 @@ func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
 					}
 				}
 			}
+
+			if m.Validate != nil {
+				m.Err = nil
+				if m.ValidateAction == AllowInput {
+					m.Err = m.Validate(string(m.value))
+				}
+			}
 		case tea.KeyLeft, tea.KeyCtrlB:
 			if msg.Alt { // alt+left arrow, back one word
 				resetBlink = m.wordLeft()
@@ -680,9 +698,13 @@ func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
 				copy(value, m.value)
 				value = append(value[:m.pos], append(runes, value[m.pos:]...)...)
 				m.SetValue(string(value))
-				if m.Err == nil {
-					resetBlink = m.setCursor(m.pos + len(runes))
+
+				// If validation failed and we don't allow input, avoid
+				// resetting the cursor blink.
+				if m.Validate != nil && m.ValidateAction == BlockInput && m.Err != nil {
+					break
 				}
+				resetBlink = m.setCursor(m.pos + len(runes))
 			}
 		}