diff --git a/canister/sol_rpc_canister.did b/canister/sol_rpc_canister.did
index 0f6272f4..ec45f0cc 100644
--- a/canister/sol_rpc_canister.did
+++ b/canister/sol_rpc_canister.did
@@ -355,10 +355,10 @@ type CompiledInstruction = record {
   stackHeight : opt nat32;
 };
 type EncodedTransaction = variant {
-  Binary : record { text; variant { base58; base64 } };
-  LegacyBinary : text;
+  binary : record { text; variant { base58; base64 } };
+  legacyBinary : text;
 };
-type Instruction = variant { Compiled : CompiledInstruction };
+type Instruction = variant { compiled : CompiledInstruction };
 type InnerInstructions = record {
   instructions : vec Instruction;
   index : nat8;
@@ -424,7 +424,7 @@ type Reward = record {
   lamports : int64;
   commission : opt nat8;
   pubkey : Pubkey;
-  rewardType : opt variant { Fee; Rent; Voting; Staking };
+  rewardType : opt variant { fee; rent; voting; staking };
   postBalance : nat64;
 };
 type TokenAmount = record {
@@ -480,7 +480,7 @@ type TransactionInfo = record {
   meta : opt TransactionStatusMeta;
   transaction : EncodedTransaction;
   slot : nat64;
-  version : opt variant { Legacy; Number : nat8 };
+  version : opt variant { legacy; number : nat8 };
 };
 type TransactionStatusMeta = record {
   fee : nat64;
diff --git a/libs/types/src/solana/transaction/instruction.rs b/libs/types/src/solana/transaction/instruction.rs
index 17c903ea..6c9358b2 100644
--- a/libs/types/src/solana/transaction/instruction.rs
+++ b/libs/types/src/solana/transaction/instruction.rs
@@ -48,6 +48,7 @@ impl From<InnerInstructions> for UiInnerInstructions {
 #[derive(Debug, Clone, Deserialize, Serialize, CandidType, PartialEq)]
 pub enum Instruction {
     /// A compiled Solana instruction.
+    #[serde(rename = "compiled")]
     Compiled(CompiledInstruction),
 }
 
diff --git a/libs/types/src/solana/transaction/mod.rs b/libs/types/src/solana/transaction/mod.rs
index bfa299ff..c5f8d536 100644
--- a/libs/types/src/solana/transaction/mod.rs
+++ b/libs/types/src/solana/transaction/mod.rs
@@ -194,8 +194,10 @@ impl TryFrom<UiTransactionStatusMeta> for TransactionStatusMeta {
 #[derive(Debug, Clone, Deserialize, Serialize, CandidType, PartialEq)]
 pub enum EncodedTransaction {
     /// Legacy format kept for backwards compatibility. The transaction is base58-encoded.
+    #[serde(rename = "legacyBinary")]
     LegacyBinary(String),
     ///The transaction is encoded in one of the [`TransactionBinaryEncoding`] formats.
+    #[serde(rename = "binary")]
     Binary(String, TransactionBinaryEncoding),
 }
 
@@ -404,8 +406,10 @@ impl From<TransactionReturnData> for UiTransactionReturnData {
 #[derive(Debug, Clone, Deserialize, Serialize, CandidType, PartialEq)]
 pub enum TransactionVersion {
     /// Legacy transaction format, which does not explicitly include a version number.
+    #[serde(rename = "legacy")]
     Legacy,
     /// Versioned transaction format.
+    #[serde(rename = "number")]
     Number(u8),
 }
 
diff --git a/libs/types/src/solana/transaction/reward.rs b/libs/types/src/solana/transaction/reward.rs
index 20385444..110d6ef8 100644
--- a/libs/types/src/solana/transaction/reward.rs
+++ b/libs/types/src/solana/transaction/reward.rs
@@ -48,12 +48,16 @@ impl From<Reward> for solana_transaction_status_client_types::Reward {
 #[derive(Debug, Clone, Deserialize, Serialize, CandidType, PartialEq)]
 pub enum RewardType {
     /// Reward from transaction fees collected in the block.
+    #[serde(rename = "fee")]
     Fee,
     /// Reward from rent fees paid by accounts storing data on-chain.
+    #[serde(rename = "rent")]
     Rent,
     /// Reward earned from delegating stake to validators with good performance.
+    #[serde(rename = "staking")]
     Staking,
     /// Reward earned for participating in vote transactions to help reach consensus.
+    #[serde(rename = "voting")]
     Voting,
 }