diff --git a/common/client-libs/validator-client/examples/offline_signing.rs b/common/client-libs/validator-client/examples/offline_signing.rs
index baa2d10035..0e5bce5681 100644
--- a/common/client-libs/validator-client/examples/offline_signing.rs
+++ b/common/client-libs/validator-client/examples/offline_signing.rs
@@ -2,9 +2,9 @@
 // SPDX-License-Identifier: Apache-2.0
 
 use cosmrs::bank::MsgSend;
-use cosmrs::rpc::HttpClient;
 use cosmrs::tx::Msg;
 use cosmrs::{tx, AccountId, Coin, Denom};
+use nym_validator_client::http_client;
 use nym_validator_client::nyxd::CosmWasmClient;
 use nym_validator_client::signing::direct_wallet::DirectSecp256k1HdWallet;
 use nym_validator_client::signing::tx_signer::TxSigner;
@@ -27,7 +27,7 @@ async fn main() {
 
     // possibly remote client that doesn't do ANY signing
     // (only broadcasts + queries for sequence numbers)
-    let broadcaster = HttpClient::new(validator).unwrap();
+    let broadcaster = http_client(validator).unwrap();
 
     // get signer information
     let sequence_response = broadcaster.get_sequence(&signer_address).await.unwrap();
diff --git a/common/client-libs/validator-client/src/client.rs b/common/client-libs/validator-client/src/client.rs
index e70cbdaf2f..6352dabff0 100644
--- a/common/client-libs/validator-client/src/client.rs
+++ b/common/client-libs/validator-client/src/client.rs
@@ -26,6 +26,8 @@ pub use nym_mixnet_contract_common::{
 // re-export the type to not break existing imports
 pub use crate::coconut::CoconutApiClient;
 
+#[cfg(feature = "http-client")]
+use crate::rpc::http_client;
 #[cfg(feature = "http-client")]
 use crate::{DirectSigningHttpRpcValidatorClient, HttpRpcClient, QueryHttpRpcValidatorClient};
 
@@ -95,7 +97,7 @@ impl Client<HttpRpcClient, DirectSecp256k1HdWallet> {
         config: Config,
         mnemonic: bip39::Mnemonic,
     ) -> Result<DirectSigningHttpRpcValidatorClient, ValidatorClientError> {
-        let rpc_client = HttpRpcClient::new(config.nyxd_url.as_str())?;
+        let rpc_client = http_client(config.nyxd_url.as_str())?;
         let prefix = &config.nyxd_config.chain_details.bech32_account_prefix;
         let wallet = DirectSecp256k1HdWallet::from_mnemonic(prefix, mnemonic);
 
@@ -126,7 +128,7 @@ impl Client<ReqwestRpcClient, DirectSecp256k1HdWallet> {
 #[cfg(feature = "http-client")]
 impl Client<HttpRpcClient> {
     pub fn new_query(config: Config) -> Result<QueryHttpRpcValidatorClient, ValidatorClientError> {
-        let rpc_client = HttpRpcClient::new(config.nyxd_url.as_str())?;
+        let rpc_client = http_client(config.nyxd_url.as_str())?;
         Ok(Self::new_with_rpc_client(config, rpc_client))
     }
 
diff --git a/common/client-libs/validator-client/src/lib.rs b/common/client-libs/validator-client/src/lib.rs
index c6391673a0..b3dca0a473 100644
--- a/common/client-libs/validator-client/src/lib.rs
+++ b/common/client-libs/validator-client/src/lib.rs
@@ -20,6 +20,8 @@ pub use nym_api_requests::*;
 
 #[cfg(feature = "http-client")]
 pub use cosmrs::rpc::HttpClient as HttpRpcClient;
+#[cfg(feature = "http-client")]
+pub use rpc::http_client;
 
 // some type aliasing
 
diff --git a/common/client-libs/validator-client/src/nyxd/cosmwasm_client/mod.rs b/common/client-libs/validator-client/src/nyxd/cosmwasm_client/mod.rs
index 7ebff2ef16..ab78a8c418 100644
--- a/common/client-libs/validator-client/src/nyxd/cosmwasm_client/mod.rs
+++ b/common/client-libs/validator-client/src/nyxd/cosmwasm_client/mod.rs
@@ -3,18 +3,25 @@
 
 use crate::nyxd::cosmwasm_client::client_traits::{CosmWasmClient, SigningCosmWasmClient};
 use crate::nyxd::error::NyxdError;
-use crate::nyxd::{Config, GasPrice};
+use crate::nyxd::{Config, GasPrice, Hash, Height};
 use crate::rpc::TendermintRpcClient;
 use crate::signing::{
     signer::{NoSigner, OfflineSigner},
     AccountData,
 };
 use async_trait::async_trait;
-use tendermint_rpc::{Error as TendermintRpcError, SimpleRequest};
+use cosmrs::tendermint::{abci, evidence::Evidence, Genesis};
+use cosmrs::tx::{Raw, SignDoc};
+use serde::{de::DeserializeOwned, Serialize};
+use std::fmt::Debug;
+use tendermint_rpc::endpoint::*;
+use tendermint_rpc::query::Query;
+use tendermint_rpc::{Error as TendermintRpcError, Order, Paging, SimpleRequest};
 
+#[cfg(feature = "http-client")]
+use crate::http_client;
 #[cfg(feature = "http-client")]
 use cosmrs::rpc::{HttpClient, HttpClientUrl};
-use cosmrs::tx::{Raw, SignDoc};
 
 pub mod client_traits;
 mod helpers;
@@ -73,7 +80,7 @@ impl<S> MaybeSigningClient<HttpClient, S> {
     where
         U: TryInto<HttpClientUrl, Error = TendermintRpcError>,
     {
-        self.client = HttpClient::new(new_endpoint)?;
+        self.client = http_client(new_endpoint)?;
         Ok(())
     }
 }
@@ -85,6 +92,216 @@ where
     C: TendermintRpcClient + Send + Sync,
     S: Send + Sync,
 {
+    async fn abci_info(&self) -> Result<abci::response::Info, TendermintRpcError> {
+        self.client.abci_info().await
+    }
+
+    async fn abci_query<V>(
+        &self,
+        path: Option<String>,
+        data: V,
+        height: Option<Height>,
+        prove: bool,
+    ) -> Result<abci_query::AbciQuery, TendermintRpcError>
+    where
+        V: Into<Vec<u8>> + Send,
+    {
+        self.client.abci_query(path, data, height, prove).await
+    }
+
+    async fn block<H>(&self, height: H) -> Result<block::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.block(height).await
+    }
+
+    async fn block_by_hash(
+        &self,
+        hash: Hash,
+    ) -> Result<block_by_hash::Response, TendermintRpcError> {
+        self.client.block_by_hash(hash).await
+    }
+
+    async fn latest_block(&self) -> Result<block::Response, TendermintRpcError> {
+        self.client.latest_block().await
+    }
+
+    async fn header<H>(&self, height: H) -> Result<header::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.header(height).await
+    }
+
+    async fn header_by_hash(
+        &self,
+        hash: Hash,
+    ) -> Result<header_by_hash::Response, TendermintRpcError> {
+        self.client.header_by_hash(hash).await
+    }
+
+    async fn block_results<H>(
+        &self,
+        height: H,
+    ) -> Result<block_results::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.block_results(height).await
+    }
+
+    async fn latest_block_results(&self) -> Result<block_results::Response, TendermintRpcError> {
+        self.client.latest_block_results().await
+    }
+
+    async fn block_search(
+        &self,
+        query: Query,
+        page: u32,
+        per_page: u8,
+        order: Order,
+    ) -> Result<block_search::Response, TendermintRpcError> {
+        self.client.block_search(query, page, per_page, order).await
+    }
+
+    async fn blockchain<H>(
+        &self,
+        min: H,
+        max: H,
+    ) -> Result<blockchain::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.blockchain(min, max).await
+    }
+
+    async fn broadcast_tx_async<T>(
+        &self,
+        tx: T,
+    ) -> Result<broadcast::tx_async::Response, TendermintRpcError>
+    where
+        T: Into<Vec<u8>> + Send,
+    {
+        self.client.broadcast_tx_async(tx).await
+    }
+
+    async fn broadcast_tx_sync<T>(
+        &self,
+        tx: T,
+    ) -> Result<broadcast::tx_sync::Response, TendermintRpcError>
+    where
+        T: Into<Vec<u8>> + Send,
+    {
+        self.client.broadcast_tx_sync(tx).await
+    }
+
+    async fn broadcast_tx_commit<T>(
+        &self,
+        tx: T,
+    ) -> Result<broadcast::tx_commit::Response, TendermintRpcError>
+    where
+        T: Into<Vec<u8>> + Send,
+    {
+        self.client.broadcast_tx_commit(tx).await
+    }
+
+    async fn commit<H>(&self, height: H) -> Result<commit::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.commit(height).await
+    }
+
+    async fn consensus_params<H>(
+        &self,
+        height: H,
+    ) -> Result<consensus_params::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.consensus_params(height).await
+    }
+
+    async fn consensus_state(&self) -> Result<consensus_state::Response, TendermintRpcError> {
+        self.client.consensus_state().await
+    }
+
+    async fn validators<H>(
+        &self,
+        height: H,
+        paging: Paging,
+    ) -> Result<validators::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.validators(height, paging).await
+    }
+
+    async fn latest_consensus_params(
+        &self,
+    ) -> Result<consensus_params::Response, TendermintRpcError> {
+        self.client.latest_consensus_params().await
+    }
+
+    async fn latest_commit(&self) -> Result<commit::Response, TendermintRpcError> {
+        self.client.latest_commit().await
+    }
+
+    async fn health(&self) -> Result<(), TendermintRpcError> {
+        self.client.health().await
+    }
+
+    async fn genesis<AppState>(&self) -> Result<Genesis<AppState>, TendermintRpcError>
+    where
+        AppState: Debug + Serialize + DeserializeOwned + Send,
+    {
+        self.client.genesis().await
+    }
+
+    async fn net_info(&self) -> Result<net_info::Response, TendermintRpcError> {
+        self.client.net_info().await
+    }
+
+    async fn status(&self) -> Result<status::Response, TendermintRpcError> {
+        self.client.status().await
+    }
+
+    async fn broadcast_evidence(
+        &self,
+        e: Evidence,
+    ) -> Result<evidence::Response, TendermintRpcError> {
+        self.client.broadcast_evidence(e).await
+    }
+
+    async fn tx(&self, hash: Hash, prove: bool) -> Result<tx::Response, TendermintRpcError> {
+        self.client.tx(hash, prove).await
+    }
+
+    async fn tx_search(
+        &self,
+        query: Query,
+        prove: bool,
+        page: u32,
+        per_page: u8,
+        order: Order,
+    ) -> Result<tx_search::Response, TendermintRpcError> {
+        self.client
+            .tx_search(query, prove, page, per_page, order)
+            .await
+    }
+
+    #[cfg(any(
+        feature = "tendermint-rpc/http-client",
+        feature = "tendermint-rpc/websocket-client"
+    ))]
+    async fn wait_until_healthy<T>(&self, timeout: T) -> Result<(), Error>
+    where
+        T: Into<core::time::Duration> + Send,
+    {
+        self.client.wait_until_healthy(timeout).await
+    }
+
     async fn perform<R>(&self, request: R) -> Result<R::Output, TendermintRpcError>
     where
         R: SimpleRequest,
diff --git a/common/client-libs/validator-client/src/nyxd/mod.rs b/common/client-libs/validator-client/src/nyxd/mod.rs
index 16027a1970..10cca6de7e 100644
--- a/common/client-libs/validator-client/src/nyxd/mod.rs
+++ b/common/client-libs/validator-client/src/nyxd/mod.rs
@@ -9,19 +9,25 @@ use crate::nyxd::cosmwasm_client::types::{
 use crate::nyxd::cosmwasm_client::MaybeSigningClient;
 use crate::nyxd::error::NyxdError;
 use crate::nyxd::fee::DEFAULT_SIMULATED_GAS_MULTIPLIER;
+use crate::signing::direct_wallet::DirectSecp256k1HdWallet;
 use crate::signing::signer::NoSigner;
 use crate::signing::signer::OfflineSigner;
 use crate::signing::tx_signer::TxSigner;
 use crate::signing::AccountData;
+use crate::{DirectSigningReqwestRpcNyxdClient, QueryReqwestRpcNyxdClient, ReqwestRpcClient};
 use async_trait::async_trait;
 use cosmrs::cosmwasm;
+use cosmrs::tendermint::{abci, evidence::Evidence, Genesis};
 use cosmrs::tx::{Msg, Raw, SignDoc};
 use cosmwasm_std::Addr;
 use nym_network_defaults::{ChainDetails, NymNetworkDetails};
-use serde::Serialize;
+use serde::{de::DeserializeOwned, Serialize};
+use std::fmt::Debug;
 use std::time::SystemTime;
 use tendermint_rpc::endpoint::block::Response as BlockResponse;
-use tendermint_rpc::Error as TendermintRpcError;
+use tendermint_rpc::endpoint::*;
+use tendermint_rpc::{Error as TendermintRpcError, Order};
+use url::Url;
 
 pub use crate::nyxd::cosmwasm_client::client_traits::{CosmWasmClient, SigningCosmWasmClient};
 pub use crate::nyxd::fee::Fee;
@@ -45,14 +51,13 @@ pub use tendermint_rpc::{
 };
 pub use tendermint_rpc::{Request, Response, SimpleRequest};
 
-// #[cfg(feature = "http-client")]
-use crate::signing::direct_wallet::DirectSecp256k1HdWallet;
+#[cfg(feature = "http-client")]
+use crate::http_client;
 #[cfg(feature = "http-client")]
 use crate::{DirectSigningHttpRpcNyxdClient, QueryHttpRpcNyxdClient};
-use crate::{DirectSigningReqwestRpcNyxdClient, QueryReqwestRpcNyxdClient, ReqwestRpcClient};
 #[cfg(feature = "http-client")]
 use cosmrs::rpc::{HttpClient, HttpClientUrl};
-use url::Url;
+use tendermint_rpc::query::Query;
 
 pub mod coin;
 pub mod contract_traits;
@@ -97,7 +102,7 @@ impl NyxdClient<HttpClient> {
     where
         U: TryInto<HttpClientUrl, Error = TendermintRpcError>,
     {
-        let client = HttpClient::new(endpoint)?;
+        let client = http_client(endpoint)?;
 
         Ok(NyxdClient {
             client: MaybeSigningClient::new(client, (&config).into()),
@@ -140,7 +145,7 @@ impl NyxdClient<HttpClient, DirectSecp256k1HdWallet> {
     where
         U: TryInto<HttpClientUrl, Error = TendermintRpcError>,
     {
-        let client = HttpClient::new(endpoint)?;
+        let client = http_client(endpoint)?;
 
         let prefix = &config.chain_details.bech32_account_prefix;
         let wallet = DirectSecp256k1HdWallet::from_mnemonic(prefix, mnemonic);
@@ -568,6 +573,216 @@ where
     C: TendermintRpcClient + Send + Sync,
     S: Send + Sync,
 {
+    async fn abci_info(&self) -> Result<abci::response::Info, TendermintRpcError> {
+        self.client.abci_info().await
+    }
+
+    async fn abci_query<V>(
+        &self,
+        path: Option<String>,
+        data: V,
+        height: Option<Height>,
+        prove: bool,
+    ) -> Result<abci_query::AbciQuery, TendermintRpcError>
+    where
+        V: Into<Vec<u8>> + Send,
+    {
+        self.client.abci_query(path, data, height, prove).await
+    }
+
+    async fn block<H>(&self, height: H) -> Result<block::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.block(height).await
+    }
+
+    async fn block_by_hash(
+        &self,
+        hash: Hash,
+    ) -> Result<block_by_hash::Response, TendermintRpcError> {
+        self.client.block_by_hash(hash).await
+    }
+
+    async fn latest_block(&self) -> Result<block::Response, TendermintRpcError> {
+        self.client.latest_block().await
+    }
+
+    async fn header<H>(&self, height: H) -> Result<header::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.header(height).await
+    }
+
+    async fn header_by_hash(
+        &self,
+        hash: Hash,
+    ) -> Result<header_by_hash::Response, TendermintRpcError> {
+        self.client.header_by_hash(hash).await
+    }
+
+    async fn block_results<H>(
+        &self,
+        height: H,
+    ) -> Result<block_results::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.block_results(height).await
+    }
+
+    async fn latest_block_results(&self) -> Result<block_results::Response, TendermintRpcError> {
+        self.client.latest_block_results().await
+    }
+
+    async fn block_search(
+        &self,
+        query: Query,
+        page: u32,
+        per_page: u8,
+        order: Order,
+    ) -> Result<block_search::Response, TendermintRpcError> {
+        self.client.block_search(query, page, per_page, order).await
+    }
+
+    async fn blockchain<H>(
+        &self,
+        min: H,
+        max: H,
+    ) -> Result<blockchain::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.blockchain(min, max).await
+    }
+
+    async fn broadcast_tx_async<T>(
+        &self,
+        tx: T,
+    ) -> Result<broadcast::tx_async::Response, TendermintRpcError>
+    where
+        T: Into<Vec<u8>> + Send,
+    {
+        TendermintRpcClient::broadcast_tx_async(&self.client, tx).await
+    }
+
+    async fn broadcast_tx_sync<T>(
+        &self,
+        tx: T,
+    ) -> Result<broadcast::tx_sync::Response, TendermintRpcError>
+    where
+        T: Into<Vec<u8>> + Send,
+    {
+        TendermintRpcClient::broadcast_tx_sync(&self.client, tx).await
+    }
+
+    async fn broadcast_tx_commit<T>(
+        &self,
+        tx: T,
+    ) -> Result<broadcast::tx_commit::Response, TendermintRpcError>
+    where
+        T: Into<Vec<u8>> + Send,
+    {
+        TendermintRpcClient::broadcast_tx_commit(&self.client, tx).await
+    }
+
+    async fn commit<H>(&self, height: H) -> Result<commit::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.commit(height).await
+    }
+
+    async fn consensus_params<H>(
+        &self,
+        height: H,
+    ) -> Result<consensus_params::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.consensus_params(height).await
+    }
+
+    async fn consensus_state(&self) -> Result<consensus_state::Response, TendermintRpcError> {
+        self.client.consensus_state().await
+    }
+
+    async fn validators<H>(
+        &self,
+        height: H,
+        paging: Paging,
+    ) -> Result<validators::Response, TendermintRpcError>
+    where
+        H: Into<Height> + Send,
+    {
+        self.client.validators(height, paging).await
+    }
+
+    async fn latest_consensus_params(
+        &self,
+    ) -> Result<consensus_params::Response, TendermintRpcError> {
+        self.client.latest_consensus_params().await
+    }
+
+    async fn latest_commit(&self) -> Result<commit::Response, TendermintRpcError> {
+        self.client.latest_commit().await
+    }
+
+    async fn health(&self) -> Result<(), TendermintRpcError> {
+        self.client.health().await
+    }
+
+    async fn genesis<AppState>(&self) -> Result<Genesis<AppState>, TendermintRpcError>
+    where
+        AppState: Debug + Serialize + DeserializeOwned + Send,
+    {
+        self.client.genesis().await
+    }
+
+    async fn net_info(&self) -> Result<net_info::Response, TendermintRpcError> {
+        self.client.net_info().await
+    }
+
+    async fn status(&self) -> Result<status::Response, TendermintRpcError> {
+        self.client.status().await
+    }
+
+    async fn broadcast_evidence(
+        &self,
+        e: Evidence,
+    ) -> Result<evidence::Response, TendermintRpcError> {
+        self.client.broadcast_evidence(e).await
+    }
+
+    async fn tx(&self, hash: Hash, prove: bool) -> Result<TxResponse, TendermintRpcError> {
+        self.client.tx(hash, prove).await
+    }
+
+    async fn tx_search(
+        &self,
+        query: Query,
+        prove: bool,
+        page: u32,
+        per_page: u8,
+        order: Order,
+    ) -> Result<tx_search::Response, TendermintRpcError> {
+        self.client
+            .tx_search(query, prove, page, per_page, order)
+            .await
+    }
+
+    #[cfg(any(
+        feature = "tendermint-rpc/http-client",
+        feature = "tendermint-rpc/websocket-client"
+    ))]
+    async fn wait_until_healthy<T>(&self, timeout: T) -> Result<(), Error>
+    where
+        T: Into<core::time::Duration> + Send,
+    {
+        self.client.wait_until_healthy(timeout).await
+    }
+
     async fn perform<R>(&self, request: R) -> Result<R::Output, TendermintRpcError>
     where
         R: SimpleRequest,
diff --git a/common/client-libs/validator-client/src/rpc/mod.rs b/common/client-libs/validator-client/src/rpc/mod.rs
index f483f1067c..fd3f7991ba 100644
--- a/common/client-libs/validator-client/src/rpc/mod.rs
+++ b/common/client-libs/validator-client/src/rpc/mod.rs
@@ -11,8 +11,27 @@ use tendermint_rpc::{
     Error, Order, Paging, SimpleRequest,
 };
 
+#[cfg(feature = "http-client")]
+use crate::error::TendermintRpcError;
+#[cfg(feature = "http-client")]
+use crate::HttpRpcClient;
+#[cfg(feature = "http-client")]
+use tendermint_rpc::client::CompatMode;
+#[cfg(feature = "http-client")]
+use tendermint_rpc::HttpClientUrl;
+
 pub mod reqwest;
 
+#[cfg(feature = "http-client")]
+pub fn http_client<U>(url: U) -> Result<HttpRpcClient, TendermintRpcError>
+where
+    U: TryInto<HttpClientUrl, Error = Error>,
+{
+    HttpRpcClient::builder(url.try_into()?)
+        .compat_mode(CompatMode::V0_34)
+        .build()
+}
+
 // we have to create a sealed trait since `TendermintClient` needs T: Send (due to how async trait is created)
 // which we can't do in wasm
 #[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
diff --git a/common/client-libs/validator-client/src/rpc/reqwest.rs b/common/client-libs/validator-client/src/rpc/reqwest.rs
index 9c8411d666..ffad7dd815 100644
--- a/common/client-libs/validator-client/src/rpc/reqwest.rs
+++ b/common/client-libs/validator-client/src/rpc/reqwest.rs
@@ -3,12 +3,32 @@
 
 use crate::rpc::TendermintRpcClient;
 use async_trait::async_trait;
+use cosmrs::tendermint::{block::Height, evidence::Evidence, Hash};
 use reqwest::header::HeaderMap;
 use reqwest::{header, RequestBuilder};
-use tendermint_rpc::{Error, Response, SimpleRequest};
+use tendermint_rpc::{
+    client::CompatMode,
+    dialect::{self, Dialect},
+    endpoint::{self, *},
+    query::Query,
+    Error, Order, Response, SimpleRequest,
+};
+
 use url::Url;
 
+// copied macro from tendermint-rpc crate because that's exactly what we have to do here too
+macro_rules! perform_with_compat {
+    ($self:expr, $request:expr) => {{
+        let request = $request;
+        match $self.compat {
+            CompatMode::V0_37 => $self.perform_v0_37(request).await,
+            CompatMode::V0_34 => $self.perform_v0_34(request).await,
+        }
+    }};
+}
+
 pub struct ReqwestRpcClient {
+    compat: CompatMode,
     inner: reqwest::Client,
     url: Url,
 }
@@ -16,12 +36,21 @@ pub struct ReqwestRpcClient {
 impl ReqwestRpcClient {
     pub fn new(url: Url) -> Self {
         ReqwestRpcClient {
+            compat: CompatMode::V0_34,
             inner: reqwest::Client::new(),
             url,
         }
     }
 
-    fn build_request<R: SimpleRequest>(&self, request: R) -> RequestBuilder {
+    pub fn set_compat_mode(&mut self, compat: CompatMode) {
+        self.compat = compat;
+    }
+
+    fn build_request<R, S>(&self, request: R) -> RequestBuilder
+    where
+        R: SimpleRequest<S>,
+        S: Dialect,
+    {
         let mut headers = HeaderMap::new();
         headers.insert(header::CONTENT_TYPE, "application/json".parse().unwrap());
         headers.insert(
@@ -39,6 +68,38 @@ impl ReqwestRpcClient {
             .body(request.into_json().into_bytes())
             .headers(headers)
     }
+
+    async fn perform_request<R, S>(&self, request: R) -> Result<R::Output, Error>
+    where
+        R: SimpleRequest<S>,
+        S: Dialect,
+    {
+        let request = self.build_request(request);
+        // that's extremely unfortunate. the trait requires returning tendermint rpc error so we have to make best effort error mapping
+        let response = request
+            .send()
+            .await
+            .map_err(TendermintRpcErrorMap::into_rpc_err)?;
+        let bytes = response
+            .bytes()
+            .await
+            .map_err(TendermintRpcErrorMap::into_rpc_err)?;
+        R::Response::from_string(bytes).map(Into::into)
+    }
+
+    async fn perform_v0_34<R>(&self, request: R) -> Result<R::Output, Error>
+    where
+        R: SimpleRequest<dialect::v0_34::Dialect>,
+    {
+        self.perform_request(request).await
+    }
+
+    async fn perform_v0_37<R>(&self, request: R) -> Result<R::Output, Error>
+    where
+        R: SimpleRequest<dialect::v0_37::Dialect>,
+    {
+        self.perform_request(request).await
+    }
 }
 
 trait TendermintRpcErrorMap {
@@ -58,17 +119,81 @@ impl TendermintRpcClient for ReqwestRpcClient {
     where
         R: SimpleRequest,
     {
-        let request = self.build_request(request);
-        // that's extremely unfortunate. the trait requires returning tendermint rpc error so we have to make best effort error mapping
-        let response = request
-            .send()
-            .await
-            .map_err(TendermintRpcErrorMap::into_rpc_err)?;
-        let bytes = response
-            .bytes()
-            .await
-            .map_err(TendermintRpcErrorMap::into_rpc_err)?;
-        R::Response::from_string(bytes).map(Into::into)
+        self.perform_request(request).await
+    }
+
+    async fn block_results<H>(&self, height: H) -> Result<block_results::Response, Error>
+    where
+        H: Into<Height> + Send,
+    {
+        perform_with_compat!(self, block_results::Request::new(height.into()))
+    }
+
+    async fn latest_block_results(&self) -> Result<block_results::Response, Error> {
+        perform_with_compat!(self, block_results::Request::default())
+    }
+
+    async fn header<H>(&self, height: H) -> Result<endpoint::header::Response, Error>
+    where
+        H: Into<Height> + Send,
+    {
+        let height = height.into();
+        match self.compat {
+            CompatMode::V0_37 => self.perform(endpoint::header::Request::new(height)).await,
+            CompatMode::V0_34 => {
+                // Back-fill with a request to /block endpoint and
+                // taking just the header from the response.
+                let resp = self.perform_v0_34(block::Request::new(height)).await?;
+                Ok(resp.into())
+            }
+        }
+    }
+
+    async fn header_by_hash(&self, hash: Hash) -> Result<header_by_hash::Response, Error> {
+        match self.compat {
+            CompatMode::V0_37 => self.perform(header_by_hash::Request::new(hash)).await,
+            CompatMode::V0_34 => {
+                // Back-fill with a request to /block_by_hash endpoint and
+                // taking just the header from the response.
+                let resp = self
+                    .perform_v0_34(block_by_hash::Request::new(hash))
+                    .await?;
+                Ok(resp.into())
+            }
+        }
+    }
+
+    /// `/broadcast_evidence`: broadcast an evidence.
+    async fn broadcast_evidence(&self, e: Evidence) -> Result<evidence::Response, Error> {
+        match self.compat {
+            CompatMode::V0_37 => self.perform(evidence::Request::new(e)).await,
+            CompatMode::V0_34 => self.perform_v0_34(evidence::Request::new(e)).await,
+        }
+    }
+
+    async fn tx(&self, hash: Hash, prove: bool) -> Result<tx::Response, Error> {
+        perform_with_compat!(self, tx::Request::new(hash, prove))
+    }
+
+    async fn tx_search(
+        &self,
+        query: Query,
+        prove: bool,
+        page: u32,
+        per_page: u8,
+        order: Order,
+    ) -> Result<tx_search::Response, Error> {
+        perform_with_compat!(
+            self,
+            tx_search::Request::new(query, prove, page, per_page, order)
+        )
+    }
+
+    async fn broadcast_tx_commit<T>(&self, tx: T) -> Result<broadcast::tx_commit::Response, Error>
+    where
+        T: Into<Vec<u8>> + Send,
+    {
+        perform_with_compat!(self, broadcast::tx_commit::Request::new(tx))
     }
 }
 
diff --git a/nym-connect/desktop/Cargo.lock b/nym-connect/desktop/Cargo.lock
index 47977894ba..612a9d8149 100644
--- a/nym-connect/desktop/Cargo.lock
+++ b/nym-connect/desktop/Cargo.lock
@@ -3991,7 +3991,7 @@ dependencies = [
 
 [[package]]
 name = "nym-connect"
-version = "1.1.17"
+version = "1.1.18"
 dependencies = [
  "anyhow",
  "bip39",