diff --git a/Cargo.lock b/Cargo.lock
index 719278e..6afe7a1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1241,7 +1241,7 @@ dependencies = [
 
 [[package]]
 name = "idempotent-proxy-canister"
-version = "1.2.0"
+version = "1.2.1"
 dependencies = [
  "base64",
  "candid",
@@ -1259,7 +1259,7 @@ dependencies = [
 
 [[package]]
 name = "idempotent-proxy-server"
-version = "1.2.0"
+version = "1.2.1"
 dependencies = [
  "async-trait",
  "axum",
@@ -1285,7 +1285,7 @@ dependencies = [
 
 [[package]]
 name = "idempotent-proxy-types"
-version = "1.2.0"
+version = "1.2.1"
 dependencies = [
  "base64",
  "ciborium",
diff --git a/Cargo.toml b/Cargo.toml
index c658906..baf94cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ strip = true
 opt-level = 's'
 
 [workspace.package]
-version = "1.2.0"
+version = "1.2.1"
 edition = "2021"
 repository = "https://github.com/ldclabs/idempotent-proxy"
 keywords = ["idempotent", "reverse", "proxy", "icp"]
diff --git a/src/idempotent-proxy-canister/idempotent-proxy-canister.did b/src/idempotent-proxy-canister/idempotent-proxy-canister.did
index f39fcb5..30816fa 100644
--- a/src/idempotent-proxy-canister/idempotent-proxy-canister.did
+++ b/src/idempotent-proxy-canister/idempotent-proxy-canister.did
@@ -30,6 +30,7 @@ type InitArgs = record {
 };
 type Result = variant { Ok : bool; Err : text };
 type Result_1 = variant { Ok; Err : text };
+type Result_2 = variant { Ok : text; Err : text };
 type StateInfo = record {
   proxy_token_public_key : text;
   service_fee : nat64;
@@ -68,6 +69,9 @@ service : (opt ChainArgs) -> {
   proxy_http_request : (CanisterHttpRequestArgument) -> (HttpResponse);
   proxy_http_request_cost : (CanisterHttpRequestArgument) -> (nat) query;
   state_info : () -> (StateInfo) query;
+  validate2_admin_add_managers : (vec principal) -> (Result_2);
+  validate2_admin_remove_managers : (vec principal) -> (Result_2);
+  validate2_admin_set_agents : (vec Agent) -> (Result_2);
   validate_admin_add_managers : (vec principal) -> (Result_1);
   validate_admin_remove_managers : (vec principal) -> (Result_1);
   validate_admin_set_agents : (vec Agent) -> (Result_1);
diff --git a/src/idempotent-proxy-canister/src/api_admin.rs b/src/idempotent-proxy-canister/src/api_admin.rs
index 9d00c53..1885551 100644
--- a/src/idempotent-proxy-canister/src/api_admin.rs
+++ b/src/idempotent-proxy-canister/src/api_admin.rs
@@ -67,18 +67,33 @@ async fn admin_set_agents(agents: Vec<agent::Agent>) -> Result<(), String> {
     Ok(())
 }
 
+// Use validate2_admin_add_managers instead of validate_admin_add_managers
 #[ic_cdk::update]
 fn validate_admin_add_managers(args: BTreeSet<Principal>) -> Result<(), String> {
     validate_principals(&args)?;
     Ok(())
 }
 
+#[ic_cdk::update]
+fn validate2_admin_add_managers(args: BTreeSet<Principal>) -> Result<String, String> {
+    validate_principals(&args)?;
+    Ok("ok".to_string())
+}
+
+// Use validate2_admin_remove_managers instead of validate_admin_remove_managers
 #[ic_cdk::update]
 fn validate_admin_remove_managers(args: BTreeSet<Principal>) -> Result<(), String> {
     validate_principals(&args)?;
     Ok(())
 }
 
+#[ic_cdk::update]
+fn validate2_admin_remove_managers(args: BTreeSet<Principal>) -> Result<String, String> {
+    validate_principals(&args)?;
+    Ok("ok".to_string())
+}
+
+// Use validate2_admin_set_agents instead of validate_admin_set_agents
 #[ic_cdk::update]
 fn validate_admin_set_agents(agents: Vec<agent::Agent>) -> Result<(), String> {
     if agents.is_empty() {
@@ -87,3 +102,12 @@ fn validate_admin_set_agents(agents: Vec<agent::Agent>) -> Result<(), String> {
 
     Ok(())
 }
+
+#[ic_cdk::update]
+fn validate2_admin_set_agents(agents: Vec<agent::Agent>) -> Result<String, String> {
+    if agents.is_empty() {
+        return Err("agents cannot be empty".to_string());
+    }
+
+    Ok("ok".to_string())
+}