diff --git a/crates/sugarfunge-api-types/src/lib.rs b/crates/sugarfunge-api-types/src/lib.rs
index 469cf9a..23416bd 100644
--- a/crates/sugarfunge-api-types/src/lib.rs
+++ b/crates/sugarfunge-api-types/src/lib.rs
@@ -1,9 +1,12 @@
 #[subxt::subxt(
     runtime_metadata_path = "sugarfunge_metadata.scale",
-    derive_for_type(path = "frame_support::traits::tokens::misc::BalanceStatus", derive = "serde::Serialize"),
+    derive_for_type(
+        path = "frame_support::traits::tokens::misc::BalanceStatus",
+        derive = "serde::Serialize"
+    ),
     derive_for_type(path = "pallet_balances::pallet::Event", derive = "serde::Serialize"),
     derive_for_type(path = "sugarfunge_asset::pallet::Event", derive = "serde::Serialize"),
-    derive_for_type(path = "sugarfunge_bag::pallet::Event", derive = "serde::Serialize"),
+    derive_for_type(path = "sugarfunge_bag::pallet::Event", derive = "serde::Serialize")
 )]
 pub mod sugarfunge {}
 pub mod account;
@@ -14,6 +17,7 @@ pub mod challenge;
 pub mod contract;
 pub mod fula;
 pub mod market;
+pub mod online;
 pub mod pool;
 pub mod primitives;
 pub mod validator;
diff --git a/crates/sugarfunge-api-types/src/online.rs b/crates/sugarfunge-api-types/src/online.rs
new file mode 100644
index 0000000..6e9d19f
--- /dev/null
+++ b/crates/sugarfunge-api-types/src/online.rs
@@ -0,0 +1,16 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct GetAuthoredBlocks {
+    pub validators: Vec<String>,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct GetHeartbeats {
+    pub validators: Vec<String>,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct HeartbeatTime {
+    pub time: Option<u32>,
+}
diff --git a/crates/sugarfunge-api-types/src/pool.rs b/crates/sugarfunge-api-types/src/pool.rs
index 9709fbd..5be5230 100644
--- a/crates/sugarfunge-api-types/src/pool.rs
+++ b/crates/sugarfunge-api-types/src/pool.rs
@@ -23,6 +23,7 @@ pub struct CreatePoolOutput {
 pub struct LeavePoolInput {
     pub seed: Seed,
     pub pool_id: PoolId,
+    pub target_account: Option<Account>, // Optional target account to be removed
 }
 
 #[derive(Serialize, Deserialize, Debug)]
@@ -52,6 +53,7 @@ pub struct JoinPoolOutput {
 pub struct CancelJoinPoolInput {
     pub seed: Seed,
     pub pool_id: PoolId,
+    pub target_account: Option<Account>, // Optional target account to be removed
 }
 
 #[derive(Serialize, Deserialize, Debug)]
diff --git a/src/main.rs b/src/main.rs
index bb430b3..4148f22 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -24,6 +24,7 @@ mod config;
 mod contract;
 mod fula;
 mod market;
+mod online;
 mod pool;
 mod state;
 mod subscription;
@@ -102,6 +103,10 @@ async fn main() -> std::io::Result<()> {
                 "validator/add_validator",
                 web::post().to(validator::add_validator),
             )
+            .route(
+                "validator/activate",
+                web::post().to(validator::activate_validator),
+            )
             .route("validator/set_keys", web::post().to(validator::set_keys))
             .route(
                 "validator/remove_validator",
@@ -236,6 +241,18 @@ async fn main() -> std::io::Result<()> {
                 "fula/mumbai/convert_tokens",
                 web::post().to(contract::mumbai_convert_to_fula_endpoint),
             )
+            .route(
+                "fula/online/get_heartbeats",
+                web::post().to(online::get_heartbeats),
+            )
+            .route(
+                "fula/online/get_authored_blocks",
+                web::post().to(online::get_authored_blocks),
+            )
+            .route(
+                "fula/online/get_heartbeat_time",
+                web::post().to(online::get_heartbeat_time),
+            )
     })
     .bind((args.listen.host_str().unwrap(), args.listen.port().unwrap()))?
     .run()
diff --git a/src/online.rs b/src/online.rs
new file mode 100644
index 0000000..70d23e4
--- /dev/null
+++ b/src/online.rs
@@ -0,0 +1,82 @@
+use crate::state::*;
+use crate::util::*;
+use actix_web::{error, web, HttpResponse};
+use futures::stream::StreamExt;
+use sugarfunge_api_types::online::*;
+use sugarfunge_api_types::sugarfunge;
+
+pub async fn get_authored_blocks(data: web::Data<AppState>) -> error::Result<HttpResponse> {
+    let api = &data.api;
+    let result_array = Vec::new();
+
+    let query_key = sugarfunge::storage()
+        .im_online()
+        .authored_blocks_iter()
+        .to_root_bytes();
+
+    let storage = api.storage().at_latest().await.map_err(map_subxt_err)?;
+
+    let keys_stream = storage
+        .fetch_raw_keys(query_key)
+        .await
+        .map_err(map_subxt_err)?;
+
+    let keys: Vec<Vec<u8>> = keys_stream
+        .collect::<Vec<_>>() // Collect into a Vec<Result<Vec<u8>, Error>>
+        .await // Await the collection process
+        .into_iter() // Convert into an iterator
+        .filter_map(Result::ok) // Filter out Ok values, ignore errors
+        .collect(); // Collect into a Vec<Vec<u8>>
+
+    println!("Obtained keys:");
+    for key in keys.iter() {
+        println!("Key: len: {} 0x{}", key.len(), hex::encode(&key));
+    }
+    Ok(HttpResponse::Ok().json(GetAuthoredBlocks {
+        validators: result_array,
+    }))
+}
+
+pub async fn get_heartbeats(data: web::Data<AppState>) -> error::Result<HttpResponse> {
+    let api = &data.api;
+    let result_array = Vec::new();
+
+    let query_key = sugarfunge::storage()
+        .im_online()
+        .received_heartbeats_iter()
+        .to_root_bytes();
+
+    let storage = api.storage().at_latest().await.map_err(map_subxt_err)?;
+
+    let keys_stream = storage
+        .fetch_raw_keys(query_key)
+        .await
+        .map_err(map_subxt_err)?;
+
+    let keys: Vec<Vec<u8>> = keys_stream
+        .collect::<Vec<_>>() // Collect into a Vec<Result<Vec<u8>, Error>>
+        .await // Await the collection process
+        .into_iter() // Convert into an iterator
+        .filter_map(Result::ok) // Filter out Ok values, ignore errors
+        .collect(); // Collect into a Vec<Vec<u8>>
+
+    // println!("Obtained keys:");
+    for key in keys.iter() {
+        println!("Key: len: {} 0x{}", key.len(), hex::encode(&key));
+    }
+    Ok(HttpResponse::Ok().json(GetHeartbeats {
+        validators: result_array,
+    }))
+}
+
+pub async fn get_heartbeat_time(data: web::Data<AppState>) -> error::Result<HttpResponse> {
+    let api = &data.api;
+
+    let query_key = sugarfunge::storage().im_online().heartbeat_after();
+
+    let storage = api.storage().at_latest().await.map_err(map_subxt_err)?;
+
+    let keys_stream = storage.fetch(&query_key).await.map_err(map_subxt_err)?;
+
+    Ok(HttpResponse::Ok().json(HeartbeatTime { time: keys_stream }))
+}
diff --git a/src/pool.rs b/src/pool.rs
index 88f03ae..b9be811 100644
--- a/src/pool.rs
+++ b/src/pool.rs
@@ -73,9 +73,15 @@ pub async fn leave_pool(
     let pair = get_pair_from_seed(&req.seed)?;
     let signer = PairSigner::new(pair);
 
+    let mut target_account: Option<AccountId32> = None::<AccountId32>;
+    if let Some(value) = req.target_account.clone() {
+        target_account = Some(AccountId32::try_from(&value).map_err(map_account_err)?);
+    }
     let api = &data.api;
 
-    let call = sugarfunge::tx().pool().leave_pool(req.pool_id.into());
+    let call = sugarfunge::tx()
+        .pool()
+        .leave_pool(req.pool_id.into(), target_account);
     let set_balance = get_balance(&req.seed).await;
     let result = api
         .tx()
@@ -154,9 +160,15 @@ pub async fn cancel_join_pool(
     let pair = get_pair_from_seed(&req.seed)?;
     let signer = PairSigner::new(pair);
 
+    let mut target_account: Option<AccountId32> = None::<AccountId32>;
+    if let Some(value) = req.target_account.clone() {
+        target_account = Some(AccountId32::try_from(&value).map_err(map_account_err)?);
+    }
     let api = &data.api;
 
-    let call = sugarfunge::tx().pool().cancel_join(req.pool_id.into());
+    let call = sugarfunge::tx()
+        .pool()
+        .cancel_join(req.pool_id.into(), target_account);
     let set_balance = get_balance(&req.seed).await;
     let result = api
         .tx()
diff --git a/src/validator.rs b/src/validator.rs
index 10dd5ab..6278a03 100644
--- a/src/validator.rs
+++ b/src/validator.rs
@@ -54,6 +54,44 @@ pub async fn add_validator(
     }
 }
 
+pub async fn activate_validator(
+    data: web::Data<AppState>,
+    req: web::Json<AddValidatorInput>,
+) -> error::Result<HttpResponse> {
+    let pair = get_pair_from_seed(&req.seed)?;
+    let signer = PairSigner::new(pair);
+    let validator_public =
+        sp_core::sr25519::Public::from_str(req.validator_id.as_str()).map_err(map_account_err)?;
+    let validator_bytes: [u8; 32] = validator_public.0; // Convert Public key to a byte array
+    let validator_id = subxt::utils::AccountId32::from(validator_bytes); // Create AccountId32 from the byte array
+    let api = &data.api;
+
+    let call = sugarfunge::tx().validator_set().add_validator_again(validator_id);
+
+    let result = api
+        .tx()
+        .sign_and_submit_then_watch(&call, &signer, Default::default())
+        .await
+        .map_err(map_subxt_err)?
+        .wait_for_finalized_success()
+        .await
+        .map_err(map_sf_err)?;
+
+    let result = result
+        .find_first::<sugarfunge::validator_set::events::ValidatorAdditionInitiated>()
+        .map_err(map_subxt_err)?;
+
+    match result {
+        Some(event) => Ok(HttpResponse::Ok().json(AddValidatorOutput {
+            validator_id: ValidatorId::from(event.0.to_string()),
+        })),
+        None => Ok(HttpResponse::BadRequest().json(RequestError {
+            message: json!("Failed to find sugarfunge::validator::events::ActivateValidator"),
+            description: String::new(),
+        })),
+    }
+}
+
 pub async fn remove_validator(
     data: web::Data<AppState>,
     req: web::Json<RemoveValidatorInput>,