diff --git a/apidocs/openapi.yaml b/apidocs/openapi.yaml
index ce7bbd82..9b965c56 100644
--- a/apidocs/openapi.yaml
+++ b/apidocs/openapi.yaml
@@ -634,7 +634,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/config/global/patch:
     patch:
@@ -653,7 +653,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/config/pathdefaults/get:
     get:
@@ -670,7 +670,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/config/pathdefaults/patch:
     patch:
@@ -689,7 +689,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/config/paths/list:
     get:
@@ -719,7 +719,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/config/paths/get/{name}:
     get:
@@ -743,7 +743,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/config/paths/add/{name}:
     post:
@@ -769,7 +769,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/config/paths/patch/{name}:
     patch:
@@ -794,10 +794,8 @@ paths:
           description: the request was successful.
         '400':
           description: invalid request.
-        '404':
-          description: configuration not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/config/paths/replace/{name}:
     post:
@@ -822,10 +820,8 @@ paths:
           description: the request was successful.
         '400':
           description: invalid request.
-        '404':
-          description: configuration not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/config/paths/delete/{name}:
     delete:
@@ -844,10 +840,8 @@ paths:
           description: the request was successful.
         '400':
           description: invalid request.
-        '404':
-          description: configuration not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/hlsmuxers/list:
     get:
@@ -877,7 +871,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/hlsmuxers/get/{name}:
     get:
@@ -900,10 +894,8 @@ paths:
                 $ref: '#/components/schemas/HLSMuxer'
         '400':
           description: invalid request.
-        '404':
-          description: muxer not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/paths/list:
     get:
@@ -933,7 +925,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/paths/get/{name}:
     get:
@@ -956,10 +948,8 @@ paths:
                 $ref: '#/components/schemas/Path'
         '400':
           description: invalid request.
-        '404':
-          description: path not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtspconns/list:
     get:
@@ -989,7 +979,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtspconns/get/{id}:
     get:
@@ -1012,10 +1002,8 @@ paths:
                 $ref: '#/components/schemas/RTSPConn'
         '400':
           description: invalid request.
-        '404':
-          description: connection not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtspsessions/list:
     get:
@@ -1045,7 +1033,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtspsessions/get/{id}:
     get:
@@ -1068,10 +1056,8 @@ paths:
                 $ref: '#/components/schemas/RTSPSession'
         '400':
           description: invalid request.
-        '404':
-          description: session not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtspsessions/kick/{id}:
     post:
@@ -1090,10 +1076,8 @@ paths:
           description: the request was successful.
         '400':
           description: invalid request.
-        '404':
-          description: session not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtspsconns/list:
     get:
@@ -1123,7 +1107,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtspsconns/get/{id}:
     get:
@@ -1146,10 +1130,8 @@ paths:
                 $ref: '#/components/schemas/RTSPConn'
         '400':
           description: invalid request.
-        '404':
-          description: connection not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtspssessions/list:
     get:
@@ -1178,10 +1160,8 @@ paths:
                 $ref: '#/components/schemas/RTSPSessionList'
         '400':
           description: invalid request.
-        '404':
-          description: session not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtspssessions/get/{id}:
     get:
@@ -1204,10 +1184,8 @@ paths:
                 $ref: '#/components/schemas/RTSPSession'
         '400':
           description: invalid request.
-        '404':
-          description: session not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtspssessions/kick/{id}:
     post:
@@ -1226,10 +1204,8 @@ paths:
           description: the request was successful.
         '400':
           description: invalid request.
-        '404':
-          description: session not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtmpconns/list:
     get:
@@ -1259,7 +1235,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtmpconns/get/{id}:
     get:
@@ -1282,10 +1258,8 @@ paths:
                 $ref: '#/components/schemas/RTMPConn'
         '400':
           description: invalid request.
-        '404':
-          description: connection not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtmpconns/kick/{id}:
     post:
@@ -1304,10 +1278,8 @@ paths:
           description: the request was successful.
         '400':
           description: invalid request.
-        '404':
-          description: session not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtmpsconns/list:
     get:
@@ -1337,7 +1309,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtmpsconns/get/{id}:
     get:
@@ -1360,10 +1332,8 @@ paths:
                 $ref: '#/components/schemas/RTMPConn'
         '400':
           description: invalid request.
-        '404':
-          description: connection not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/rtmpsconns/kick/{id}:
     post:
@@ -1382,10 +1352,8 @@ paths:
           description: the request was successful.
         '400':
           description: invalid request.
-        '404':
-          description: session not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/srtconns/list:
     get:
@@ -1415,7 +1383,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/srtconns/get/{id}:
     get:
@@ -1438,10 +1406,8 @@ paths:
                 $ref: '#/components/schemas/SRTConn'
         '400':
           description: invalid request.
-        '404':
-          description: connection not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/srtconns/kick/{id}:
     post:
@@ -1460,10 +1426,8 @@ paths:
           description: the request was successful.
         '400':
           description: invalid request.
-        '404':
-          description: connection not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/webrtcsessions/list:
     get:
@@ -1493,7 +1457,7 @@ paths:
         '400':
           description: invalid request.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/webrtcsessions/get/{id}:
     get:
@@ -1516,10 +1480,8 @@ paths:
                 $ref: '#/components/schemas/WebRTCSession'
         '400':
           description: invalid request.
-        '404':
-          description: session not found.
         '500':
-          description: internal server error.
+          description: server error.
 
   /v3/webrtcsessions/kick/{id}:
     post:
@@ -1538,7 +1500,5 @@ paths:
           description: the request was successful.
         '400':
           description: invalid request.
-        '404':
-          description: session not found.
         '500':
-          description: internal server error.
+          description: server error.
diff --git a/internal/core/api.go b/internal/core/api.go
index c31cd600..098bad89 100644
--- a/internal/core/api.go
+++ b/internal/core/api.go
@@ -2,7 +2,6 @@ package core
 
 import (
 	"encoding/json"
-	"errors"
 	"fmt"
 	"net/http"
 	"reflect"
@@ -19,8 +18,6 @@ import (
 	"github.com/bluenviron/mediamtx/internal/protocols/httpserv"
 )
 
-var errAPINotFound = errors.New("not found")
-
 func interfaceIsEmpty(i interface{}) bool {
 	return reflect.ValueOf(i).Kind() != reflect.Ptr || reflect.ValueOf(i).IsNil()
 }
@@ -290,18 +287,6 @@ func (a *api) writeServerError(ctx *gin.Context, err error) {
 	ctx.AbortWithStatus(http.StatusInternalServerError)
 }
 
-func (a *api) writeNotFound(ctx *gin.Context) {
-	ctx.AbortWithStatus(http.StatusNotFound)
-}
-
-func (a *api) writeServerErrorOrNotFound(ctx *gin.Context, err error) {
-	if err == errAPINotFound {
-		a.writeNotFound(ctx)
-	} else {
-		a.writeServerError(ctx, err)
-	}
-}
-
 func (a *api) onConfigGlobalGet(ctx *gin.Context) {
 	a.mutex.Lock()
 	c := a.conf
@@ -412,7 +397,7 @@ func (a *api) onConfigPathsGet(ctx *gin.Context) {
 
 	p, ok := c.OptionalPaths[name]
 	if !ok {
-		a.writeNotFound(ctx)
+		a.writeServerError(ctx, fmt.Errorf("path configuration not found"))
 		return
 	}
 
@@ -587,7 +572,7 @@ func (a *api) onPathsGet(ctx *gin.Context) {
 
 	data, err := a.pathManager.apiPathsGet(name)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -621,7 +606,7 @@ func (a *api) onRTSPConnsGet(ctx *gin.Context) {
 
 	data, err := a.rtspServer.apiConnsGet(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -655,7 +640,7 @@ func (a *api) onRTSPSessionsGet(ctx *gin.Context) {
 
 	data, err := a.rtspServer.apiSessionsGet(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -671,7 +656,7 @@ func (a *api) onRTSPSessionsKick(ctx *gin.Context) {
 
 	err = a.rtspServer.apiSessionsKick(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -705,7 +690,7 @@ func (a *api) onRTSPSConnsGet(ctx *gin.Context) {
 
 	data, err := a.rtspsServer.apiConnsGet(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -739,7 +724,7 @@ func (a *api) onRTSPSSessionsGet(ctx *gin.Context) {
 
 	data, err := a.rtspsServer.apiSessionsGet(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -755,7 +740,7 @@ func (a *api) onRTSPSSessionsKick(ctx *gin.Context) {
 
 	err = a.rtspsServer.apiSessionsKick(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -789,7 +774,7 @@ func (a *api) onRTMPConnsGet(ctx *gin.Context) {
 
 	data, err := a.rtmpServer.apiConnsGet(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -805,7 +790,7 @@ func (a *api) onRTMPConnsKick(ctx *gin.Context) {
 
 	err = a.rtmpServer.apiConnsKick(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -839,7 +824,7 @@ func (a *api) onRTMPSConnsGet(ctx *gin.Context) {
 
 	data, err := a.rtmpsServer.apiConnsGet(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -855,7 +840,7 @@ func (a *api) onRTMPSConnsKick(ctx *gin.Context) {
 
 	err = a.rtmpsServer.apiConnsKick(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -889,7 +874,7 @@ func (a *api) onHLSMuxersGet(ctx *gin.Context) {
 
 	data, err := a.hlsManager.apiMuxersGet(name)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -923,7 +908,7 @@ func (a *api) onWebRTCSessionsGet(ctx *gin.Context) {
 
 	data, err := a.webRTCManager.apiSessionsGet(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -939,7 +924,7 @@ func (a *api) onWebRTCSessionsKick(ctx *gin.Context) {
 
 	err = a.webRTCManager.apiSessionsKick(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -973,7 +958,7 @@ func (a *api) onSRTConnsGet(ctx *gin.Context) {
 
 	data, err := a.srtServer.apiConnsGet(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
@@ -989,7 +974,7 @@ func (a *api) onSRTConnsKick(ctx *gin.Context) {
 
 	err = a.srtServer.apiConnsKick(uuid)
 	if err != nil {
-		a.writeServerErrorOrNotFound(ctx, err)
+		a.writeServerError(ctx, err)
 		return
 	}
 
diff --git a/internal/core/api_test.go b/internal/core/api_test.go
index 5ddff802..2dbbc2b5 100644
--- a/internal/core/api_test.go
+++ b/internal/core/api_test.go
@@ -398,7 +398,7 @@ func TestAPIConfigPathsDelete(t *testing.T) {
 		res, err := hc.Do(req)
 		require.NoError(t, err)
 		defer res.Body.Close()
-		require.Equal(t, http.StatusNotFound, res.StatusCode)
+		require.Equal(t, http.StatusInternalServerError, res.StatusCode)
 	}()
 }
 
@@ -650,7 +650,7 @@ func TestAPIPathsGet(t *testing.T) {
 				res, err := hc.Get("http://localhost:9997/v3/paths/get/" + pathName)
 				require.NoError(t, err)
 				defer res.Body.Close()
-				require.Equal(t, 404, res.StatusCode)
+				require.Equal(t, http.StatusInternalServerError, res.StatusCode)
 			}
 		})
 	}
@@ -1331,7 +1331,7 @@ func TestAPIProtocolGetNotFound(t *testing.T) {
 				res, err := hc.Do(req)
 				require.NoError(t, err)
 				defer res.Body.Close()
-				require.Equal(t, http.StatusNotFound, res.StatusCode)
+				require.Equal(t, http.StatusInternalServerError, res.StatusCode)
 			}()
 		})
 	}
@@ -1537,13 +1537,13 @@ func TestAPIProtocolKickNotFound(t *testing.T) {
 			}
 
 			func() {
-				req, err := http.NewRequest(http.MethodGet, "http://localhost:9997/v3/"+pa+"/kick/"+uuid.New().String(), nil)
+				req, err := http.NewRequest(http.MethodPost, "http://localhost:9997/v3/"+pa+"/kick/"+uuid.New().String(), nil)
 				require.NoError(t, err)
 
 				res, err := hc.Do(req)
 				require.NoError(t, err)
 				defer res.Body.Close()
-				require.Equal(t, http.StatusNotFound, res.StatusCode)
+				require.Equal(t, http.StatusInternalServerError, res.StatusCode)
 			}()
 		})
 	}
diff --git a/internal/core/hls_manager.go b/internal/core/hls_manager.go
index 5e321a64..428cc16a 100644
--- a/internal/core/hls_manager.go
+++ b/internal/core/hls_manager.go
@@ -208,7 +208,7 @@ outer:
 		case req := <-m.chAPIMuxerGet:
 			muxer, ok := m.muxers[req.name]
 			if !ok {
-				req.res <- hlsManagerAPIMuxersGetRes{err: errAPINotFound}
+				req.res <- hlsManagerAPIMuxersGetRes{err: fmt.Errorf("muxer not found")}
 				continue
 			}
 
diff --git a/internal/core/path_manager.go b/internal/core/path_manager.go
index 401c3bde..04b376d0 100644
--- a/internal/core/path_manager.go
+++ b/internal/core/path_manager.go
@@ -383,7 +383,7 @@ func (pm *pathManager) doAPIPathsList(req pathAPIPathsListReq) {
 func (pm *pathManager) doAPIPathsGet(req pathAPIPathsGetReq) {
 	path, ok := pm.paths[req.name]
 	if !ok {
-		req.res <- pathAPIPathsGetRes{err: errAPINotFound}
+		req.res <- pathAPIPathsGetRes{err: fmt.Errorf("path not found")}
 		return
 	}
 
diff --git a/internal/core/rtmp_server.go b/internal/core/rtmp_server.go
index d8a6e043..ecfa9f9e 100644
--- a/internal/core/rtmp_server.go
+++ b/internal/core/rtmp_server.go
@@ -220,7 +220,7 @@ outer:
 		case req := <-s.chAPIConnsGet:
 			c := s.findConnByUUID(req.uuid)
 			if c == nil {
-				req.res <- rtmpServerAPIConnsGetRes{err: errAPINotFound}
+				req.res <- rtmpServerAPIConnsGetRes{err: fmt.Errorf("connection not found")}
 				continue
 			}
 
@@ -229,7 +229,7 @@ outer:
 		case req := <-s.chAPIConnsKick:
 			c := s.findConnByUUID(req.uuid)
 			if c == nil {
-				req.res <- rtmpServerAPIConnsKickRes{err: errAPINotFound}
+				req.res <- rtmpServerAPIConnsKickRes{err: fmt.Errorf("connection not found")}
 				continue
 			}
 
diff --git a/internal/core/rtsp_server.go b/internal/core/rtsp_server.go
index 1ba013d9..aca7845f 100644
--- a/internal/core/rtsp_server.go
+++ b/internal/core/rtsp_server.go
@@ -398,7 +398,7 @@ func (s *rtspServer) apiConnsGet(uuid uuid.UUID) (*apiRTSPConn, error) {
 
 	conn := s.findConnByUUID(uuid)
 	if conn == nil {
-		return nil, errAPINotFound
+		return nil, fmt.Errorf("connection not found")
 	}
 
 	return conn.apiItem(), nil
@@ -443,7 +443,7 @@ func (s *rtspServer) apiSessionsGet(uuid uuid.UUID) (*apiRTSPSession, error) {
 
 	_, sx := s.findSessionByUUID(uuid)
 	if sx == nil {
-		return nil, errAPINotFound
+		return nil, fmt.Errorf("session not found")
 	}
 
 	return sx.apiItem(), nil
@@ -462,7 +462,7 @@ func (s *rtspServer) apiSessionsKick(uuid uuid.UUID) error {
 
 	key, sx := s.findSessionByUUID(uuid)
 	if sx == nil {
-		return errAPINotFound
+		return fmt.Errorf("session not found")
 	}
 
 	sx.close()
diff --git a/internal/core/srt_server.go b/internal/core/srt_server.go
index 0b2d5871..538c9206 100644
--- a/internal/core/srt_server.go
+++ b/internal/core/srt_server.go
@@ -208,7 +208,7 @@ outer:
 		case req := <-s.chAPIConnsGet:
 			c := s.findConnByUUID(req.uuid)
 			if c == nil {
-				req.res <- srtServerAPIConnsGetRes{err: errAPINotFound}
+				req.res <- srtServerAPIConnsGetRes{err: fmt.Errorf("connection not found")}
 				continue
 			}
 
@@ -217,7 +217,7 @@ outer:
 		case req := <-s.chAPIConnsKick:
 			c := s.findConnByUUID(req.uuid)
 			if c == nil {
-				req.res <- srtServerAPIConnsKickRes{err: errAPINotFound}
+				req.res <- srtServerAPIConnsKickRes{err: fmt.Errorf("connection not found")}
 				continue
 			}
 
diff --git a/internal/core/webrtc_manager.go b/internal/core/webrtc_manager.go
index 676f16ad..55470768 100644
--- a/internal/core/webrtc_manager.go
+++ b/internal/core/webrtc_manager.go
@@ -381,7 +381,7 @@ outer:
 		case req := <-m.chAPISessionsGet:
 			sx := m.findSessionByUUID(req.uuid)
 			if sx == nil {
-				req.res <- webRTCManagerAPISessionsGetRes{err: errAPINotFound}
+				req.res <- webRTCManagerAPISessionsGetRes{err: fmt.Errorf("session not found")}
 				continue
 			}
 
@@ -390,7 +390,7 @@ outer:
 		case req := <-m.chAPIConnsKick:
 			sx := m.findSessionByUUID(req.uuid)
 			if sx == nil {
-				req.res <- webRTCManagerAPISessionsKickRes{err: errAPINotFound}
+				req.res <- webRTCManagerAPISessionsKickRes{err: fmt.Errorf("session not found")}
 				continue
 			}