diff --git a/src/types.rs b/src/types.rs
index 8ec05ec..d9759b6 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -72,7 +72,7 @@ impl Weights {
     }
 }
 
-#[derive(Clone, Copy, Debug)]
+#[derive(Clone, Copy, Debug, Serialize, Deserialize)]
 pub enum DistanceThreshold {
     ///The distance threshold is expressed as a ratio of the total length of the text fragment under consideration, should be in range 0-1
     Ratio(f32),
@@ -107,7 +107,8 @@ impl FromStr for DistanceThreshold {
     }
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(default)]
 pub struct SearchParameters {
     /// Maximum anagram distance. The difference in characters (regardless of order)
     pub max_anagram_distance: DistanceThreshold,
@@ -303,7 +304,7 @@ pub struct Distance {
     pub samecase: bool,
 }
 
-#[derive(Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq, Serialize, Deserialize)]
 pub enum StopCriterion {
     Exhaustive,
 
@@ -311,7 +312,7 @@ pub enum StopCriterion {
     StopAtExactMatch,
 }
 
-#[derive(Debug, Clone, PartialEq, PartialOrd)]
+#[derive(Debug, Clone, PartialEq, PartialOrd, Serialize, Deserialize)]
 pub enum VariantReference {
     ///The current item is a reference for a variant. The score expressed similarity from the
     ///variant to the reference.
diff --git a/src/vocab.rs b/src/vocab.rs
index 273850a..6f6e284 100644
--- a/src/vocab.rs
+++ b/src/vocab.rs
@@ -1,9 +1,10 @@
 use bitflags::bitflags;
+use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 
 use crate::types::*;
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct VocabValue {
     pub text: String,
 
@@ -28,6 +29,8 @@ pub struct VocabValue {
 }
 
 bitflags! {
+    #[derive(Serialize, Deserialize)]
+    #[serde(transparent)]
     pub struct VocabType: u8 {
         /// Indexed for variant matching
         const NONE = 0b00000000;
@@ -94,7 +97,7 @@ pub type VocabEncoder = HashMap<String, VocabId>;
 
 ///Frequency handling in case of duplicate items (may be across multiple lexicons), the
 ///associated with it.
-#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
 pub enum FrequencyHandling {
     Sum,
     Max,
@@ -102,7 +105,7 @@ pub enum FrequencyHandling {
     Replace,
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct VocabParams {
     ///Column containing the Text (if any, 0-indexed)
     pub text_column: u8,