diff --git a/src/api2/config/access/openid.rs b/src/api2/config/access/openid.rs
index 1e5b5519..83112ce7 100644
--- a/src/api2/config/access/openid.rs
+++ b/src/api2/config/access/openid.rs
@@ -1,11 +1,11 @@
 /// Configure OpenId realms
 
-use anyhow::{bail, Error};
+use anyhow::Error;
 use serde_json::Value;
 use ::serde::{Deserialize, Serialize};
 use hex::FromHex;
 
-use proxmox_router::{Router, RpcEnvironment, Permission};
+use proxmox_router::{http_bail, Router, RpcEnvironment, Permission};
 use proxmox_schema::{api, param_bail};
 
 use pbs_api_types::{
@@ -112,7 +112,7 @@ pub fn delete_openid_realm(
     }
 
     if domains.sections.remove(&realm).is_none()  {
-        bail!("realm '{}' does not exist.", realm);
+        http_bail!(NOT_FOUND, "realm '{}' does not exist.", realm);
     }
 
     domains::save_config(&domains)?;
diff --git a/src/api2/config/changer.rs b/src/api2/config/changer.rs
index f3513011..4fc654a9 100644
--- a/src/api2/config/changer.rs
+++ b/src/api2/config/changer.rs
@@ -1,9 +1,9 @@
-use anyhow::{bail, Error};
+use anyhow::Error;
 use ::serde::{Deserialize, Serialize};
 use serde_json::Value;
 use hex::FromHex;
 
-use proxmox_router::{Router, RpcEnvironment, Permission};
+use proxmox_router::{http_bail, Router, RpcEnvironment, Permission};
 use proxmox_schema::{api, param_bail};
 
 use pbs_api_types::{
@@ -256,7 +256,7 @@ pub fn delete_changer(name: String, _param: Value) -> Result<(), Error> {
             }
             config.sections.remove(&name);
         },
-        None => bail!("Delete changer '{}' failed - no such entry", name),
+        None => http_bail!(NOT_FOUND, "Delete changer '{}' failed - no such entry", name),
     }
 
     let drive_list: Vec<LtoTapeDrive> = config.convert_to_typed_array("lto")?;
diff --git a/src/api2/config/datastore.rs b/src/api2/config/datastore.rs
index 0ec84423..992092a9 100644
--- a/src/api2/config/datastore.rs
+++ b/src/api2/config/datastore.rs
@@ -1,11 +1,11 @@
 use std::path::PathBuf;
 
-use anyhow::{bail, Error};
+use anyhow::Error;
 use serde_json::Value;
 use ::serde::{Deserialize, Serialize};
 use hex::FromHex;
 
-use proxmox_router::{Router, RpcEnvironment, RpcEnvironmentType, Permission};
+use proxmox_router::{http_bail, Router, RpcEnvironment, RpcEnvironmentType, Permission};
 use proxmox_schema::{api, param_bail, ApiType};
 use proxmox_section_config::SectionConfigData;
 use proxmox_sys::WorkerTaskContext;
@@ -359,7 +359,7 @@ pub async fn delete_datastore(
 
     match config.sections.get(&name) {
         Some(_) => { config.sections.remove(&name); },
-        None => bail!("datastore '{}' does not exist.", name),
+        None => http_bail!(NOT_FOUND, "datastore '{}' does not exist.", name),
     }
 
     if !keep_job_configs {
diff --git a/src/api2/config/drive.rs b/src/api2/config/drive.rs
index 68dc8d06..370c5a94 100644
--- a/src/api2/config/drive.rs
+++ b/src/api2/config/drive.rs
@@ -1,9 +1,9 @@
-use anyhow::{bail, format_err, Error};
+use anyhow::{format_err, Error};
 use ::serde::{Deserialize, Serialize};
 use serde_json::Value;
 use hex::FromHex;
 
-use proxmox_router::{Router, RpcEnvironment, Permission};
+use proxmox_router::{http_bail, Router, RpcEnvironment, Permission};
 use proxmox_schema::{api, param_bail};
 
 use pbs_api_types::{
@@ -258,7 +258,7 @@ pub fn delete_drive(name: String, _param: Value) -> Result<(), Error> {
             }
             config.sections.remove(&name);
         },
-        None => bail!("Delete drive '{}' failed - no such drive", name),
+        None => http_bail!(NOT_FOUND, "Delete drive '{}' failed - no such drive", name),
     }
 
     pbs_config::drive::save_config(&config)?;
diff --git a/src/api2/config/media_pool.rs b/src/api2/config/media_pool.rs
index be4ff053..f350eaea 100644
--- a/src/api2/config/media_pool.rs
+++ b/src/api2/config/media_pool.rs
@@ -1,7 +1,7 @@
-use anyhow::{bail, Error};
+use anyhow::Error;
 use ::serde::{Deserialize, Serialize};
 
-use proxmox_router::{Router, RpcEnvironment, Permission};
+use proxmox_router::{http_bail, Router, RpcEnvironment, Permission};
 use proxmox_schema::{api, param_bail};
 
 use pbs_api_types::{
@@ -217,7 +217,7 @@ pub fn delete_pool(name: String) -> Result<(), Error> {
 
     match config.sections.get(&name) {
         Some(_) => { config.sections.remove(&name); },
-        None => bail!("delete pool '{}' failed - no such pool", name),
+        None => http_bail!(NOT_FOUND, "delete pool '{}' failed - no such pool", name),
     }
 
     pbs_config::media_pool::save_config(&config)?;
diff --git a/src/api2/config/remote.rs b/src/api2/config/remote.rs
index 89564e8f..12e35ba4 100644
--- a/src/api2/config/remote.rs
+++ b/src/api2/config/remote.rs
@@ -6,7 +6,7 @@ use serde_json::Value;
 use ::serde::{Deserialize, Serialize};
 use hex::FromHex;
 
-use proxmox_router::{http_err, ApiMethod, Router, RpcEnvironment, Permission};
+use proxmox_router::{http_bail, http_err, ApiMethod, Router, RpcEnvironment, Permission};
 use proxmox_schema::{api, param_bail};
 
 use pbs_client::{HttpClient, HttpClientOptions};
@@ -272,7 +272,7 @@ pub fn delete_remote(name: String, digest: Option<String>) -> Result<(), Error>
 
     match config.sections.get(&name) {
         Some(_) => { config.sections.remove(&name); },
-        None => bail!("remote '{}' does not exist.", name),
+        None => http_bail!(NOT_FOUND, "remote '{}' does not exist.", name),
     }
 
     pbs_config::remote::save_config(&config)?;
diff --git a/src/api2/config/sync.rs b/src/api2/config/sync.rs
index 93584ecb..ab4acf22 100644
--- a/src/api2/config/sync.rs
+++ b/src/api2/config/sync.rs
@@ -3,7 +3,7 @@ use serde_json::Value;
 use ::serde::{Deserialize, Serialize};
 use hex::FromHex;
 
-use proxmox_router::{Router, RpcEnvironment, Permission};
+use proxmox_router::{http_bail, Router, RpcEnvironment, Permission};
 use proxmox_schema::{api, param_bail};
 
 use pbs_api_types::{
@@ -367,7 +367,7 @@ pub fn delete_sync_job(
             }
             config.sections.remove(&id);
         },
-        Err(_) => { bail!("job '{}' does not exist.", id) },
+        Err(_) => { http_bail!(NOT_FOUND, "job '{}' does not exist.", id) },
     };
 
     sync::save_config(&config)?;
diff --git a/src/api2/config/tape_backup_job.rs b/src/api2/config/tape_backup_job.rs
index 4d452039..770488be 100644
--- a/src/api2/config/tape_backup_job.rs
+++ b/src/api2/config/tape_backup_job.rs
@@ -1,9 +1,9 @@
-use anyhow::{bail, Error};
+use anyhow::Error;
 use serde_json::Value;
 use ::serde::{Deserialize, Serialize};
 use hex::FromHex;
 
-use proxmox_router::{Router, RpcEnvironment, Permission};
+use proxmox_router::{http_bail, Router, RpcEnvironment, Permission};
 use proxmox_schema::{api, param_bail};
 
 use pbs_api_types::{
@@ -268,7 +268,7 @@ pub fn delete_tape_backup_job(
         Ok(_job) => {
             config.sections.remove(&id);
         },
-        Err(_) => { bail!("job '{}' does not exist.", id) },
+        Err(_) => { http_bail!(NOT_FOUND, "job '{}' does not exist.", id) },
     };
 
     pbs_config::tape_job::save_config(&config)?;
diff --git a/src/api2/config/tape_encryption_keys.rs b/src/api2/config/tape_encryption_keys.rs
index 910eb0ab..3e9a60d1 100644
--- a/src/api2/config/tape_encryption_keys.rs
+++ b/src/api2/config/tape_encryption_keys.rs
@@ -2,7 +2,7 @@ use anyhow::{format_err, bail, Error};
 use serde_json::Value;
 use hex::FromHex;
 
-use proxmox_router::{ApiMethod, Router, RpcEnvironment, Permission};
+use proxmox_router::{http_bail, ApiMethod, Router, RpcEnvironment, Permission};
 use proxmox_schema::{api, param_bail};
 
 use pbs_api_types::{
@@ -126,7 +126,7 @@ pub fn change_passphrase(
 
     let key_config = match config_map.get(&fingerprint) {
         Some(key_config) => key_config,
-        None => bail!("tape encryption key configuration '{}' does not exist.", fingerprint),
+        None => http_bail!(NOT_FOUND, "tape encryption key configuration '{}' does not exist.", fingerprint),
     };
 
     let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
@@ -234,7 +234,7 @@ pub fn read_key(
 
     let key_config = match config_map.get(&fingerprint) {
         Some(key_config) => key_config,
-        None => bail!("tape encryption key '{}' does not exist.", fingerprint),
+        None => http_bail!(NOT_FOUND, "tape encryption key '{}' does not exist.", fingerprint),
     };
 
     if key_config.kdf.is_none() {
@@ -281,7 +281,7 @@ pub fn delete_key(
 
     match config_map.get(&fingerprint) {
         Some(_) => { config_map.remove(&fingerprint); },
-        None => bail!("tape encryption key '{}' does not exist.", fingerprint),
+        None => http_bail!(NOT_FOUND, "tape encryption key '{}' does not exist.", fingerprint),
     }
     save_key_configs(config_map)?;
 
diff --git a/src/api2/config/traffic_control.rs b/src/api2/config/traffic_control.rs
index f992157d..bd14138d 100644
--- a/src/api2/config/traffic_control.rs
+++ b/src/api2/config/traffic_control.rs
@@ -1,9 +1,9 @@
-use anyhow::{bail, Error};
+use anyhow::Error;
 use serde_json::Value;
 use ::serde::{Deserialize, Serialize};
 use hex::FromHex;
 
-use proxmox_router::{ApiMethod, Router, RpcEnvironment, Permission};
+use proxmox_router::{http_bail, ApiMethod, Router, RpcEnvironment, Permission};
 use proxmox_schema::{api, param_bail};
 
 use pbs_api_types::{
@@ -245,7 +245,7 @@ pub fn delete_traffic_control(name: String, digest: Option<String>) -> Result<()
 
     match config.sections.get(&name) {
         Some(_) => { config.sections.remove(&name); },
-        None => bail!("traffic control rule '{}' does not exist.", name),
+        None => http_bail!(NOT_FOUND, "traffic control rule '{}' does not exist.", name),
     }
 
     pbs_config::traffic_control::save_config(&config)?;
diff --git a/src/api2/config/verify.rs b/src/api2/config/verify.rs
index 2d7e9485..c0a7820f 100644
--- a/src/api2/config/verify.rs
+++ b/src/api2/config/verify.rs
@@ -1,9 +1,9 @@
-use anyhow::{bail, Error};
+use anyhow::Error;
 use serde_json::Value;
 use ::serde::{Deserialize, Serialize};
 use hex::FromHex;
 
-use proxmox_router::{Router, RpcEnvironment, Permission};
+use proxmox_router::{http_bail, Router, RpcEnvironment, Permission};
 use proxmox_schema::{api, param_bail};
 
 use pbs_api_types::{
@@ -287,7 +287,7 @@ pub fn delete_verification_job(
 
     match config.sections.get(&id) {
         Some(_) => { config.sections.remove(&id); },
-        None => bail!("job '{}' does not exist.", id),
+        None => http_bail!(NOT_FOUND, "job '{}' does not exist.", id),
     }
 
     verify::save_config(&config)?;