diff --git a/README.md b/README.md
index 7376e8d..1587881 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ This is a copy of C-KZG stripped down to support the [Polynomial Commitments](ht
 
 We also provide `load_trusted_setup` and `free_trusted_setup` to load the
 trusted setup data from a file into an object that can be passed to the API
-functions.
+functions, and functions for converting commitments/proofs/points to/from bytes.
 
 The only dependency is [blst](https://github.com/supranational/blst).
 Ensure `blst.h` is provided in `inc` and `libblst.a` in `lib`.
diff --git a/src/c_kzg_4844.c b/src/c_kzg_4844.c
index cd01e5f..da96fef 100644
--- a/src/c_kzg_4844.c
+++ b/src/c_kzg_4844.c
@@ -752,11 +752,11 @@ static bool pairings_verify(const g1_t *a1, const g2_t *a2, const g1_t *b1, cons
 }
 
 
-static void bytes_from_g1(uint8_t out[48], const g1_t *in) {
+void bytes_from_g1(uint8_t out[48], const g1_t *in) {
   blst_p1_compress(out, in);
 }
 
-static C_KZG_RET bytes_to_g1(g1_t* out, const uint8_t bytes[48]) {
+C_KZG_RET bytes_to_g1(g1_t* out, const uint8_t bytes[48]) {
   blst_p1_affine tmp;
   if (blst_p1_uncompress(&tmp, bytes) != BLST_SUCCESS)
     return C_KZG_BADARGS;
@@ -829,7 +829,7 @@ static void compute_powers(fr_t out[], uint64_t n) {
     while (++i < n) fr_mul(&out[i], &out[i-1], &out[1]);
 }
 
-static void bytes_to_bls_field(BLSFieldElement *out, const uint8_t bytes[32]) {
+void bytes_to_bls_field(BLSFieldElement *out, const uint8_t bytes[32]) {
   blst_scalar tmp;
   blst_scalar_from_lendian(&tmp, bytes);
   blst_fr_from_scalar(out, &tmp);
diff --git a/src/c_kzg_4844.h b/src/c_kzg_4844.h
index b77b559..752a451 100644
--- a/src/c_kzg_4844.h
+++ b/src/c_kzg_4844.h
@@ -31,7 +31,7 @@
 
 #define FIELD_ELEMENTS_PER_BLOB 4096
 #define BYTES_PER_FIELD_ELEMENT 32
-const uint8_t FIAT_SHAMIR_PROTOCOL_DOMAIN[] = {70, 83, 66, 76, 79, 66, 86, 69, 82, 73, 70, 89, 95, 86, 49, 95}; // "FSBLOBVERIFY_V1_"
+static const uint8_t FIAT_SHAMIR_PROTOCOL_DOMAIN[] = {70, 83, 66, 76, 79, 66, 86, 69, 82, 73, 70, 89, 95, 86, 49, 95}; // "FSBLOBVERIFY_V1_"
 
 typedef blst_p1 g1_t;         /**< Internal G1 group element type */
 typedef blst_p2 g2_t;         /**< Internal G2 group element type */
@@ -80,6 +80,11 @@ typedef struct {
  * Interface functions
  */
 
+C_KZG_RET bytes_to_g1(g1_t* out, const uint8_t in[48]);
+void bytes_from_g1(uint8_t out[48], const g1_t *in);
+
+void bytes_to_bls_field(BLSFieldElement *out, const uint8_t in[BYTES_PER_FIELD_ELEMENT]);
+
 C_KZG_RET load_trusted_setup(KZGSettings *out,
     FILE *in);