diff --git a/src/dedupe.c b/src/dedupe.c
index bbf613a0..94453f26 100644
--- a/src/dedupe.c
+++ b/src/dedupe.c
@@ -263,7 +263,7 @@ bool have_ideographic_word_tokens(token_array *token_array) {
     return false;
 }
 
-libpostal_duplicate_status_similarity_t is_fuzzy_duplicate(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_duplicate_similarity_options_t options, libpostal_normalize_options_t normalize_options, soft_tfidf_options_t soft_tfidf_options, bool do_acronyms) {
+libpostal_fuzzy_duplicate_status_t is_fuzzy_duplicate(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_fuzzy_duplicate_options_t options, libpostal_normalize_options_t normalize_options, soft_tfidf_options_t soft_tfidf_options, bool do_acronyms) {
     normalize_options.num_languages = options.num_languages;
     normalize_options.languages = options.languages;
 
@@ -362,10 +362,10 @@ libpostal_duplicate_status_similarity_t is_fuzzy_duplicate(size_t num_tokens1, c
         free(joined2);
     }
 
-    return (libpostal_duplicate_status_similarity_t){dupe_status, max_sim};
+    return (libpostal_fuzzy_duplicate_status_t){dupe_status, max_sim};
 }
 
-inline libpostal_duplicate_status_similarity_t is_name_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_duplicate_similarity_options_t options) {
+inline libpostal_fuzzy_duplicate_status_t is_name_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_fuzzy_duplicate_options_t options) {
     libpostal_normalize_options_t normalize_options = libpostal_get_default_options();
     normalize_options.address_components = LIBPOSTAL_ADDRESS_NAME;
 
@@ -377,7 +377,7 @@ inline libpostal_duplicate_status_similarity_t is_name_duplicate_fuzzy(size_t nu
 }
 
 
-inline libpostal_duplicate_status_similarity_t is_street_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_duplicate_similarity_options_t options) {
+inline libpostal_fuzzy_duplicate_status_t is_street_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_fuzzy_duplicate_options_t options) {
     libpostal_normalize_options_t normalize_options = libpostal_get_default_options();
     normalize_options.address_components = LIBPOSTAL_ADDRESS_STREET;
 
diff --git a/src/dedupe.h b/src/dedupe.h
index c9a4fdf8..5c40fb8c 100644
--- a/src/dedupe.h
+++ b/src/dedupe.h
@@ -16,8 +16,8 @@ libpostal_duplicate_status_t is_floor_duplicate(char *value1, char *value2, libp
 libpostal_duplicate_status_t is_postal_code_duplicate(char *value1, char *value2, libpostal_duplicate_options_t options);
 libpostal_duplicate_status_t is_toponym_duplicate(size_t num_components1, char **labels1, char **values1, size_t num_components2, char **labels2, char **values2, libpostal_duplicate_options_t options);
 
-libpostal_duplicate_status_similarity_t is_name_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_duplicate_similarity_options_t options);
-libpostal_duplicate_status_similarity_t is_street_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_duplicate_similarity_options_t options);
+libpostal_fuzzy_duplicate_status_t is_name_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_fuzzy_duplicate_options_t options);
+libpostal_fuzzy_duplicate_status_t is_street_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_fuzzy_duplicate_options_t options);
 
 
 #endif
\ No newline at end of file
diff --git a/src/libpostal.c b/src/libpostal.c
index 15f20948..9ac2dcab 100644
--- a/src/libpostal.c
+++ b/src/libpostal.c
@@ -79,7 +79,7 @@ static libpostal_near_dupe_hash_options_t LIBPOSTAL_NEAR_DUPE_HASH_DEFAULT_OPTIO
     .address_only_keys = false
 };
 
-libpostal_near_dupe_hash_options_t libpostal_near_dupe_hash_default_options(void) {
+libpostal_near_dupe_hash_options_t libpostal_get_near_dupe_hash_default_options(void) {
     return LIBPOSTAL_NEAR_DUPE_HASH_DEFAULT_OPTIONS;
 }
 
@@ -109,6 +109,22 @@ char **libpostal_place_languages(size_t num_components, char **labels, char **va
     return languages;
 }
 
+static libpostal_duplicate_options_t LIBPOSTAL_DUPLICATE_DEFAULT_OPTIONS = {
+    .num_languages = 0,
+    .languages = NULL
+};
+
+libpostal_duplicate_options_t libpostal_get_default_duplicate_options(void) {
+    return LIBPOSTAL_DUPLICATE_DEFAULT_OPTIONS;
+}
+
+libpostal_duplicate_options_t libpostal_get_duplicate_options_with_languages(size_t num_languages, char **languages) {
+    libpostal_duplicate_options_t options = LIBPOSTAL_DUPLICATE_DEFAULT_OPTIONS;
+    options.num_languages = num_languages;
+    options.languages = languages;
+    return options;
+}
+
 libpostal_duplicate_status_t libpostal_is_name_duplicate(char *value1, char *value2, libpostal_duplicate_options_t options) {
     return is_name_duplicate(value1, value2, options);
 }
@@ -141,11 +157,34 @@ libpostal_duplicate_status_t libpostal_is_toponym_duplicate(size_t num_component
     return is_toponym_duplicate(num_components1, labels1, values1, num_components2, labels2, values2, options);
 }
 
-libpostal_duplicate_status_similarity_t libpostal_is_name_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_duplicate_similarity_options_t options) {
+#define DEFAULT_FUZZY_DUPLICATE_NEEDS_REVIEW_THRESHOLD 0.7
+#define DEFAULT_FUZZY_DUPLICATE_LIKELY_DUPE_THRESHOLD 0.9
+
+static libpostal_fuzzy_duplicate_options_t DEFAULT_FUZZY_DUPLICATE_OPTIONS = {
+    .num_languages = 0,
+    .languages = NULL,
+    .needs_review_threshold = DEFAULT_FUZZY_DUPLICATE_NEEDS_REVIEW_THRESHOLD,
+    .likely_dupe_threshold = DEFAULT_FUZZY_DUPLICATE_LIKELY_DUPE_THRESHOLD
+};
+
+
+libpostal_fuzzy_duplicate_options_t libpostal_get_default_fuzzy_duplicate_options(void) {
+    return DEFAULT_FUZZY_DUPLICATE_OPTIONS;
+}
+
+libpostal_fuzzy_duplicate_options_t libpostal_get_default_fuzzy_duplicate_options_with_languages(size_t num_languages, char **languages) {
+    libpostal_fuzzy_duplicate_options_t options = DEFAULT_FUZZY_DUPLICATE_OPTIONS;
+    options.num_languages = num_languages;
+    options.languages = languages;
+    return options;
+}
+
+
+libpostal_fuzzy_duplicate_status_t libpostal_is_name_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_fuzzy_duplicate_options_t options) {
     return is_name_duplicate_fuzzy(num_tokens1, tokens1, token_scores1, num_tokens2, tokens2, token_scores2, options);
 }
 
-libpostal_duplicate_status_similarity_t libpostal_is_street_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_duplicate_similarity_options_t options) {
+libpostal_fuzzy_duplicate_status_t libpostal_is_street_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_fuzzy_duplicate_options_t options) {
     return is_street_duplicate_fuzzy(num_tokens1, tokens1, token_scores1, num_tokens2, tokens2, token_scores2, options);
 }
 
diff --git a/src/libpostal.h b/src/libpostal.h
index 25de29c8..76aa4ab5 100644
--- a/src/libpostal.h
+++ b/src/libpostal.h
@@ -192,7 +192,7 @@ typedef struct libpostal_near_dupe_hash_options {
 } libpostal_near_dupe_hash_options_t;
 
 
-LIBPOSTAL_EXPORT libpostal_near_dupe_hash_options_t libpostal_near_dupe_hash_default_options(void);
+LIBPOSTAL_EXPORT libpostal_near_dupe_hash_options_t libpostal_get_near_dupe_hash_default_options(void);
 LIBPOSTAL_EXPORT char **libpostal_near_dupe_hashes(size_t num_components, char **labels, char **values, libpostal_near_dupe_hash_options_t options, size_t *num_hashes);
 LIBPOSTAL_EXPORT char **libpostal_near_dupe_hashes_languages(size_t num_components, char **labels, char **values, libpostal_near_dupe_hash_options_t options, size_t num_languages, char **languages, size_t *num_hashes);
 
@@ -215,6 +215,10 @@ typedef struct libpostal_duplicate_options {
     char **languages;
 } libpostal_duplicate_options_t;
 
+
+LIBPOSTAL_EXPORT libpostal_duplicate_options_t libpostal_get_default_duplicate_options(void);
+LIBPOSTAL_EXPORT libpostal_duplicate_options_t libpostal_get_duplicate_options_with_languages(size_t num_languages, char **languages);
+
 LIBPOSTAL_EXPORT libpostal_duplicate_status_t libpostal_is_name_duplicate(char *value1, char *value2, libpostal_duplicate_options_t options);
 LIBPOSTAL_EXPORT libpostal_duplicate_status_t libpostal_is_street_duplicate(char *value1, char *value2, libpostal_duplicate_options_t options);
 LIBPOSTAL_EXPORT libpostal_duplicate_status_t libpostal_is_house_number_duplicate(char *value1, char *value2, libpostal_duplicate_options_t options);
@@ -226,20 +230,23 @@ LIBPOSTAL_EXPORT libpostal_duplicate_status_t libpostal_is_toponym_duplicate(siz
 
 // Pairwise fuzzy dupe methods, return status & similarity
 
-typedef struct libpostal_duplicate_similarity_options {
+typedef struct libpostal_fuzzy_duplicate_options {
     size_t num_languages;
     char **languages;
     double needs_review_threshold;
     double likely_dupe_threshold;
-} libpostal_duplicate_similarity_options_t;
+} libpostal_fuzzy_duplicate_options_t;
 
 typedef struct libpostal_duplicate_status_similarity {
     libpostal_duplicate_status_t status;
     double similarity;
-} libpostal_duplicate_status_similarity_t;
+} libpostal_fuzzy_duplicate_status_t;
 
-LIBPOSTAL_EXPORT libpostal_duplicate_status_similarity_t libpostal_is_name_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_duplicate_similarity_options_t options);
-LIBPOSTAL_EXPORT libpostal_duplicate_status_similarity_t libpostal_is_street_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_duplicate_similarity_options_t options);
+LIBPOSTAL_EXPORT libpostal_fuzzy_duplicate_options_t libpostal_get_default_fuzzy_duplicate_options(void);
+LIBPOSTAL_EXPORT libpostal_fuzzy_duplicate_options_t libpostal_get_default_fuzzy_duplicate_options_with_languages(size_t num_languages, char **languages);
+
+LIBPOSTAL_EXPORT libpostal_fuzzy_duplicate_status_t libpostal_is_name_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_fuzzy_duplicate_options_t options);
+LIBPOSTAL_EXPORT libpostal_fuzzy_duplicate_status_t libpostal_is_street_duplicate_fuzzy(size_t num_tokens1, char **tokens1, double *token_scores1, size_t num_tokens2, char **tokens2, double *token_scores2, libpostal_fuzzy_duplicate_options_t options);
 
 // Setup/teardown methods
 
diff --git a/src/near_dupe_test.c b/src/near_dupe_test.c
index 18155dea..db7d67bf 100644
--- a/src/near_dupe_test.c
+++ b/src/near_dupe_test.c
@@ -14,7 +14,7 @@ int main(int argc, char **argv) {
         exit(EXIT_FAILURE);
     }
 
-    libpostal_near_dupe_hash_options_t options = libpostal_near_dupe_hash_default_options();
+    libpostal_near_dupe_hash_options_t options = libpostal_get_near_dupe_hash_default_options();
 
     cstring_array *labels_array = cstring_array_new();
     cstring_array *values_array = cstring_array_new();