diff --git a/api/application.go b/api/application.go
index ec5fe7d3..e7d8255a 100644
--- a/api/application.go
+++ b/api/application.go
@@ -125,6 +125,7 @@ func (a *ApplicationAPI) GetApplications(ctx *gin.Context) {
 //   description: the application id
 //   required: true
 //   type: integer
+//   format: int64
 // security: [clientTokenHeader: [], clientTokenQuery: [], basicAuth: []]
 // responses:
 //   200:
@@ -189,6 +190,7 @@ func (a *ApplicationAPI) DeleteApplication(ctx *gin.Context) {
 //   description: the application id
 //   required: true
 //   type: integer
+//   format: int64
 // responses:
 //   200:
 //     description: Ok
@@ -255,6 +257,7 @@ func (a *ApplicationAPI) UpdateApplication(ctx *gin.Context) {
 //   description: the application id
 //   required: true
 //   type: integer
+//   format: int64
 // responses:
 //   200:
 //     description: Ok
diff --git a/api/client.go b/api/client.go
index a8e42194..143b493f 100644
--- a/api/client.go
+++ b/api/client.go
@@ -46,6 +46,7 @@ type ClientAPI struct {
 //   description: the client id
 //   required: true
 //   type: integer
+//   format: int64
 // responses:
 //   200:
 //     description: Ok
@@ -181,6 +182,7 @@ func (a *ClientAPI) GetClients(ctx *gin.Context) {
 //   description: the client id
 //   required: true
 //   type: integer
+//   format: int64
 // security: [clientTokenHeader: [], clientTokenQuery: [], basicAuth: []]
 // responses:
 //   200:
diff --git a/api/message.go b/api/message.go
index b89989c3..5d954666 100644
--- a/api/message.go
+++ b/api/message.go
@@ -68,6 +68,7 @@ type pagingParams struct {
 //   minimum: 0
 //   required: false
 //   type: integer
+//   format: int64
 // responses:
 //   200:
 //     description: Ok
@@ -139,6 +140,7 @@ func withPaging(ctx *gin.Context, f func(pagingParams *pagingParams)) {
 //   description: the application id
 //   required: true
 //   type: integer
+//   format: int64
 // - name: limit
 //   in: query
 //   description: the maximal amount of messages to return
@@ -153,6 +155,7 @@ func withPaging(ctx *gin.Context, f func(pagingParams *pagingParams)) {
 //   minimum: 0
 //   required: false
 //   type: integer
+//   format: int64
 // responses:
 //   200:
 //     description: Ok
@@ -233,6 +236,7 @@ func (a *MessageAPI) DeleteMessages(ctx *gin.Context) {
 //   description: the application id
 //   required: true
 //   type: integer
+//   format: int64
 // responses:
 //   200:
 //     description: Ok
@@ -280,6 +284,7 @@ func (a *MessageAPI) DeleteMessageWithApplication(ctx *gin.Context) {
 //   description: the message id
 //   required: true
 //   type: integer
+//   format: int64
 // responses:
 //   200:
 //     description: Ok
diff --git a/api/plugin.go b/api/plugin.go
index 1d5b01ad..477793d7 100644
--- a/api/plugin.go
+++ b/api/plugin.go
@@ -101,6 +101,7 @@ func (c *PluginAPI) GetPlugins(ctx *gin.Context) {
 //   description: the plugin id
 //   required: true
 //   type: integer
+//   format: int64
 // security: [clientTokenHeader: [], clientTokenQuery: [], basicAuth: []]
 // responses:
 //   200:
@@ -158,6 +159,7 @@ func (c *PluginAPI) EnablePlugin(ctx *gin.Context) {
 //   description: the plugin id
 //   required: true
 //   type: integer
+//   format: int64
 // security: [clientTokenHeader: [], clientTokenQuery: [], basicAuth: []]
 // responses:
 //   200:
@@ -215,6 +217,7 @@ func (c *PluginAPI) DisablePlugin(ctx *gin.Context) {
 //   description: the plugin id
 //   required: true
 //   type: integer
+//   format: int64
 // security: [clientTokenHeader: [], clientTokenQuery: [], basicAuth: []]
 // responses:
 //   200:
@@ -270,6 +273,7 @@ func (c *PluginAPI) GetDisplay(ctx *gin.Context) {
 //   description: the plugin id
 //   required: true
 //   type: integer
+//   format: int64
 // security: [clientTokenHeader: [], clientTokenQuery: [], basicAuth: []]
 // responses:
 //   200:
@@ -336,6 +340,7 @@ func (c *PluginAPI) GetConfig(ctx *gin.Context) {
 //   description: the plugin id
 //   required: true
 //   type: integer
+//   format: int64
 // security: [clientTokenHeader: [], clientTokenQuery: [], basicAuth: []]
 // responses:
 //   200:
diff --git a/api/user.go b/api/user.go
index 79c2f70c..ded1b9bd 100644
--- a/api/user.go
+++ b/api/user.go
@@ -197,6 +197,7 @@ func (a *UserAPI) CreateUser(ctx *gin.Context) {
 //   description: the user id
 //   required: true
 //   type: integer
+//   format: int64
 // responses:
 //   200:
 //     description: Ok
@@ -246,6 +247,7 @@ func (a *UserAPI) GetUserByID(ctx *gin.Context) {
 //   description: the user id
 //   required: true
 //   type: integer
+//   format: int64
 // responses:
 //   200:
 //     description: Ok
@@ -349,6 +351,7 @@ func (a *UserAPI) ChangePassword(ctx *gin.Context) {
 //   description: the user id
 //   required: true
 //   type: integer
+//   format: int64
 // - name: body
 //   in: body
 //   description: the updated user
diff --git a/docs/spec.json b/docs/spec.json
index 61b28b8d..e82ca917 100644
--- a/docs/spec.json
+++ b/docs/spec.json
@@ -167,6 +167,7 @@
           },
           {
             "type": "integer",
+            "format": "int64",
             "description": "the application id",
             "name": "id",
             "in": "path",
@@ -232,6 +233,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the application id",
             "name": "id",
             "in": "path",
@@ -303,6 +305,7 @@
           },
           {
             "type": "integer",
+            "format": "int64",
             "description": "the application id",
             "name": "id",
             "in": "path",
@@ -373,6 +376,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the application id",
             "name": "id",
             "in": "path",
@@ -390,6 +394,7 @@
           {
             "minimum": 0,
             "type": "integer",
+            "format": "int64",
             "description": "return all messages with an ID less than this value",
             "name": "since",
             "in": "query"
@@ -451,6 +456,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the application id",
             "name": "id",
             "in": "path",
@@ -634,6 +640,7 @@
           },
           {
             "type": "integer",
+            "format": "int64",
             "description": "the client id",
             "name": "id",
             "in": "path",
@@ -699,6 +706,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the client id",
             "name": "id",
             "in": "path",
@@ -899,6 +907,7 @@
           {
             "minimum": 0,
             "type": "integer",
+            "format": "int64",
             "description": "return all messages with an ID less than this value",
             "name": "since",
             "in": "query"
@@ -1053,6 +1062,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the message id",
             "name": "id",
             "in": "path",
@@ -1178,6 +1188,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the plugin id",
             "name": "id",
             "in": "path",
@@ -1250,6 +1261,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the plugin id",
             "name": "id",
             "in": "path",
@@ -1320,6 +1332,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the plugin id",
             "name": "id",
             "in": "path",
@@ -1384,6 +1397,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the plugin id",
             "name": "id",
             "in": "path",
@@ -1451,6 +1465,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the plugin id",
             "name": "id",
             "in": "path",
@@ -1677,6 +1692,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the user id",
             "name": "id",
             "in": "path",
@@ -1742,6 +1758,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the user id",
             "name": "id",
             "in": "path",
@@ -1813,6 +1830,7 @@
         "parameters": [
           {
             "type": "integer",
+            "format": "int64",
             "description": "the user id",
             "name": "id",
             "in": "path",