diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/account/KeyRequestEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/account/KeyRequestEndpoint.kt
index 936740a4..4ade87e8 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/account/KeyRequestEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/account/KeyRequestEndpoint.kt
@@ -1,6 +1,7 @@
 package org.dreamexposure.discal.server.endpoints.v2.account
 
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.crypto.KeyGenerator
 import org.dreamexposure.discal.core.logger.LOGGER
 import org.dreamexposure.discal.core.utils.GlobalVal
@@ -18,6 +19,7 @@ import reactor.core.publisher.Mono
 @RestController
 @RequestMapping("/v2/account/key")
 class KeyRequestEndpoint {
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     @PostMapping("/readonly/get", produces = ["application/json"])
     fun getReadOnlyKey(swe: ServerWebExchange, response: ServerHttpResponse): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/account/LoginEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/account/LoginEndpoint.kt
index ea4d71ba..6aeee4fc 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/account/LoginEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/account/LoginEndpoint.kt
@@ -1,6 +1,7 @@
 package org.dreamexposure.discal.server.endpoints.v2.account
 
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.crypto.KeyGenerator
 import org.dreamexposure.discal.core.logger.LOGGER
 import org.dreamexposure.discal.core.utils.GlobalVal
@@ -18,6 +19,7 @@ import reactor.core.publisher.Mono
 @RestController
 @RequestMapping("/v2/account")
 class LoginEndpoint {
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     @PostMapping("/login", produces = ["application/json"])
     fun loginForKey(swe: ServerWebExchange, response: ServerHttpResponse): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/account/LogoutEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/account/LogoutEndpoint.kt
index 485e5532..011282da 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/account/LogoutEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/account/LogoutEndpoint.kt
@@ -1,6 +1,7 @@
 package org.dreamexposure.discal.server.endpoints.v2.account
 
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.logger.LOGGER
 import org.dreamexposure.discal.core.utils.GlobalVal
 import org.dreamexposure.discal.server.utils.Authentication
@@ -16,6 +17,7 @@ import reactor.core.publisher.Mono
 @RestController
 @RequestMapping("/v2/account")
 class LogoutEndpoint {
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     @GetMapping("/logout", produces = ["application/json"])
     fun logoutOfAccount(swe: ServerWebExchange, response: ServerHttpResponse): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/CreateAnnouncementEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/CreateAnnouncementEndpoint.kt
index b6c265d6..9fb7346d 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/CreateAnnouncementEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/CreateAnnouncementEndpoint.kt
@@ -4,6 +4,7 @@ import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
 import org.dreamexposure.discal.core.`object`.announcement.Announcement
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.enums.announcement.AnnouncementModifier
 import org.dreamexposure.discal.core.enums.announcement.AnnouncementType
 import org.dreamexposure.discal.core.enums.event.EventColor
@@ -26,6 +27,7 @@ import reactor.core.publisher.Mono
 @RequestMapping("/v2/announcement")
 class CreateAnnouncementEndpoint(val client: DiscordClient) {
     @PostMapping("/create", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun create(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/DeleteAnnouncementEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/DeleteAnnouncementEndpoint.kt
index 63bb25b9..fba777cd 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/DeleteAnnouncementEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/DeleteAnnouncementEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.announcement
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.extensions.discord4j.deleteAnnouncement
 import org.dreamexposure.discal.core.logger.LOGGER
 import org.dreamexposure.discal.core.utils.GlobalVal
@@ -22,6 +23,7 @@ import reactor.core.publisher.Mono
 @RequestMapping("/v2/announcement")
 class DeleteAnnouncementEndpoint(val client: DiscordClient) {
     @PostMapping("/delete", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun delete(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/GetAnnouncementEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/GetAnnouncementEndpoint.kt
index 3366ccd3..d611b315 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/GetAnnouncementEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/GetAnnouncementEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.announcement
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.extensions.discord4j.getAnnouncement
 import org.dreamexposure.discal.core.logger.LOGGER
 import org.dreamexposure.discal.core.utils.GlobalVal
@@ -22,6 +23,7 @@ import reactor.core.publisher.Mono
 @RequestMapping("/v2/announcement")
 class GetAnnouncementEndpoint(val client: DiscordClient) {
     @PostMapping("/get", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun get(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/ListAnnouncementEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/ListAnnouncementEndpoint.kt
index d9d6767f..a21b3ae8 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/ListAnnouncementEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/ListAnnouncementEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.announcement
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.extensions.discord4j.getAllAnnouncements
 import org.dreamexposure.discal.core.logger.LOGGER
 import org.dreamexposure.discal.core.utils.GlobalVal
@@ -23,6 +24,7 @@ import reactor.core.publisher.Mono
 @RequestMapping("/v2/announcement")
 class ListAnnouncementEndpoint(val client: DiscordClient) {
     @PostMapping("/list", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun list(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/UpdateAnnouncementEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/UpdateAnnouncementEndpoint.kt
index 53b277e5..74c1f8df 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/UpdateAnnouncementEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/announcement/UpdateAnnouncementEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.announcement
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.enums.announcement.AnnouncementModifier
 import org.dreamexposure.discal.core.enums.announcement.AnnouncementType
 import org.dreamexposure.discal.core.enums.event.EventColor
@@ -25,6 +26,7 @@ import reactor.core.publisher.Mono
 @RestController
 @RequestMapping("/v2/announcement")
 class UpdateAnnouncementEndpoint(val client: DiscordClient) {
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     @PostMapping("/update", produces = ["application/json"])
     fun update(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/DeleteCalendarEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/DeleteCalendarEndpoint.kt
index 32b89369..20c96751 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/DeleteCalendarEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/DeleteCalendarEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.calendar
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.entities.Calendar
 import org.dreamexposure.discal.core.extensions.discord4j.getCalendar
 import org.dreamexposure.discal.core.logger.LOGGER
@@ -23,6 +24,7 @@ import reactor.core.publisher.Mono
 @RequestMapping("/v2/calendar")
 class DeleteCalendarEndpoint(val client: DiscordClient) {
     @PostMapping("/delete", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun deleteCalendar(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/GetCalendarEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/GetCalendarEndpoint.kt
index 0f9d2509..7cd7e2ac 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/GetCalendarEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/GetCalendarEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.calendar
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.entities.Calendar
 import org.dreamexposure.discal.core.extensions.discord4j.getCalendar
 import org.dreamexposure.discal.core.logger.LOGGER
@@ -23,6 +24,7 @@ import reactor.core.publisher.Mono
 @RequestMapping("/v2/calendar")
 class GetCalendarEndpoint(val client: DiscordClient) {
     @PostMapping("/get", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun getCalendar(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/ListCalendarEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/ListCalendarEndpoint.kt
index 9364b4f9..67a41ea6 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/ListCalendarEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/ListCalendarEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.calendar
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.entities.Calendar
 import org.dreamexposure.discal.core.extensions.discord4j.getAllCalendars
 import org.dreamexposure.discal.core.logger.LOGGER
@@ -24,6 +25,7 @@ import reactor.core.publisher.Mono
 @RequestMapping("/v2/calendar")
 class ListCalendarEndpoint(val client: DiscordClient) {
     @PostMapping("/list", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun listCalendars(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/UpdateCalendarEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/UpdateCalendarEndpoint.kt
index 61faa688..465734c5 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/UpdateCalendarEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/calendar/UpdateCalendarEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.calendar
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.entities.spec.update.UpdateCalendarSpec
 import org.dreamexposure.discal.core.extensions.discord4j.getCalendar
 import org.dreamexposure.discal.core.extensions.isValidTimezone
@@ -25,6 +26,7 @@ import java.time.ZoneId
 @RequestMapping("/v2/calendar")
 class UpdateCalendarEndpoint(val client: DiscordClient) {
     @PostMapping("/update", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun updateCalendar(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/CreateEventEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/CreateEventEndpoint.kt
index 669c2915..f534e47a 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/CreateEventEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/CreateEventEndpoint.kt
@@ -4,6 +4,7 @@ import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
 import org.dreamexposure.discal.core.`object`.event.Recurrence
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.entities.Event
 import org.dreamexposure.discal.core.entities.spec.create.CreateEventSpec
 import org.dreamexposure.discal.core.enums.event.EventColor
@@ -27,6 +28,7 @@ import java.time.Instant
 @RequestMapping("/v2/event")
 class CreateEventEndpoint(val client: DiscordClient) {
     @PostMapping("/create", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun create(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/DeleteEventEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/DeleteEventEndpoint.kt
index 8a25f8f7..4f16c6fd 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/DeleteEventEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/DeleteEventEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.event
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.entities.Event
 import org.dreamexposure.discal.core.extensions.discord4j.getCalendar
 import org.dreamexposure.discal.core.logger.LOGGER
@@ -23,6 +24,7 @@ import reactor.core.publisher.Mono
 @RequestMapping("/v2/event")
 class DeleteEventEndpoint(val client: DiscordClient) {
     @PostMapping("/delete", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun delete(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/GetEventEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/GetEventEndpoint.kt
index 3f4c4794..c6e640b2 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/GetEventEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/GetEventEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.event
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.entities.Event
 import org.dreamexposure.discal.core.extensions.discord4j.getCalendar
 import org.dreamexposure.discal.core.logger.LOGGER
@@ -23,6 +24,7 @@ import reactor.core.publisher.Mono
 @RequestMapping("/v2/event")
 class GetEventEndpoint(val client: DiscordClient) {
     @PostMapping("/get", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun get(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/UpdateEventEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/UpdateEventEndpoint.kt
index 31524b62..7a9491ee 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/UpdateEventEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/UpdateEventEndpoint.kt
@@ -4,6 +4,7 @@ import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
 import org.dreamexposure.discal.core.`object`.event.Recurrence
+import org.dreamexposure.discal.core.annotations.Authentication.*
 import org.dreamexposure.discal.core.entities.spec.update.UpdateEventSpec
 import org.dreamexposure.discal.core.enums.event.EventColor
 import org.dreamexposure.discal.core.extensions.discord4j.getCalendar
@@ -26,6 +27,7 @@ import java.time.Instant
 @RequestMapping("/v2/event")
 class UpdateEventEndpoint(val client: DiscordClient) {
     @PostMapping("/update", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun update(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventDateEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventDateEndpoint.kt
index 5cca5d3f..e73e75b7 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventDateEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventDateEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.event.list
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.entities.Event
 import org.dreamexposure.discal.core.extensions.discord4j.getCalendar
 import org.dreamexposure.discal.core.logger.LOGGER
@@ -25,6 +26,7 @@ import java.time.Instant
 @RequestMapping("/v2/events/list")
 class ListEventDateEndpoint(val client: DiscordClient) {
     @PostMapping("/date", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun listByDate(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventMonthEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventMonthEndpoint.kt
index f2ed6bc0..520fcf6b 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventMonthEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventMonthEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.event.list
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.entities.Event
 import org.dreamexposure.discal.core.extensions.discord4j.getCalendar
 import org.dreamexposure.discal.core.logger.LOGGER
@@ -25,6 +26,7 @@ import java.time.Instant
 @RequestMapping("/v2/events/list")
 class ListEventMonthEndpoint(val client: DiscordClient) {
     @PostMapping("/month", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun listByMonth(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventOngoingEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventOngoingEndpoint.kt
index 2e6ef464..46b5385b 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventOngoingEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventOngoingEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.event.list
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.entities.Calendar
 import org.dreamexposure.discal.core.entities.Event
 import org.dreamexposure.discal.core.extensions.discord4j.getCalendar
@@ -25,6 +26,7 @@ import reactor.core.publisher.Mono
 @RequestMapping("/v2/events/list")
 class ListEventOngoingEndpoint(val client: DiscordClient) {
     @PostMapping("/ongoing", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun listOngoing(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventRangeEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventRangeEndpoint.kt
index ae931eab..0299e957 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventRangeEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/event/list/ListEventRangeEndpoint.kt
@@ -3,6 +3,7 @@ package org.dreamexposure.discal.server.endpoints.v2.event.list
 import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.entities.Event
 import org.dreamexposure.discal.core.extensions.discord4j.getCalendar
 import org.dreamexposure.discal.core.logger.LOGGER
@@ -25,6 +26,7 @@ import java.time.Instant
 @RequestMapping("/v2/events/list")
 class ListEventRangeEndpoint(val client: DiscordClient) {
     @PostMapping("/range", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun listByRange(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/GetWebGuildEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/GetWebGuildEndpoint.kt
index cc773fe3..55a857a1 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/GetWebGuildEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/GetWebGuildEndpoint.kt
@@ -4,6 +4,7 @@ import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import kotlinx.serialization.encodeToString
 import org.dreamexposure.discal.core.`object`.web.WebGuild
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.exceptions.BotNotInGuildException
 import org.dreamexposure.discal.core.extensions.discord4j.hasControlRole
 import org.dreamexposure.discal.core.extensions.discord4j.hasElevatedPermissions
@@ -26,6 +27,7 @@ import reactor.function.TupleUtils
 @RequestMapping("/v2/guild")
 class GetWebGuildEndpoint(val client: DiscordClient) {
     @PostMapping(value = ["/get"], produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun getSettings(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/UpdateWebGuildEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/UpdateWebGuildEndpoint.kt
index 984b406f..c26ef3f5 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/UpdateWebGuildEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/UpdateWebGuildEndpoint.kt
@@ -4,6 +4,7 @@ import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import discord4j.discordjson.json.ImmutableNicknameModifyData
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.*
 import org.dreamexposure.discal.core.logger.LOGGER
 import org.dreamexposure.discal.core.utils.GlobalVal
 import org.dreamexposure.discal.server.utils.Authentication
@@ -23,6 +24,7 @@ import java.util.*
 @RequestMapping("/v2/guild")
 class UpdateWebGuildEndpoint(val client: DiscordClient) {
     @PostMapping(value = ["/update"], produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun updateGuild(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/settings/GetGuildSettingsEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/settings/GetGuildSettingsEndpoint.kt
index aa1304cb..86944bd8 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/settings/GetGuildSettingsEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/settings/GetGuildSettingsEndpoint.kt
@@ -2,6 +2,7 @@ package org.dreamexposure.discal.server.endpoints.v2.guild.settings
 
 import discord4j.common.util.Snowflake
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.database.DatabaseManager
 import org.dreamexposure.discal.core.logger.LOGGER
 import org.dreamexposure.discal.core.utils.GlobalVal
@@ -22,6 +23,7 @@ import reactor.core.publisher.Mono
 class GetGuildSettingsEndpoint {
 
     @PostMapping(value = ["/get"], produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun getSettings(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap<String?> { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/settings/UpdateGuildSettingsEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/settings/UpdateGuildSettingsEndpoint.kt
index 4ba946de..fb2c36be 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/settings/UpdateGuildSettingsEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/guild/settings/UpdateGuildSettingsEndpoint.kt
@@ -2,6 +2,7 @@ package org.dreamexposure.discal.server.endpoints.v2.guild.settings
 
 import discord4j.common.util.Snowflake
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.database.DatabaseManager
 import org.dreamexposure.discal.core.enums.announcement.AnnouncementStyle
 import org.dreamexposure.discal.core.enums.time.TimeFormat
@@ -23,6 +24,7 @@ import reactor.core.publisher.Mono
 @RequestMapping("/v2/guild/settings")
 class UpdateGuildSettingsEndpoint {
     @PostMapping(value = ["/update"], produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun updateSettings(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/rsvp/GetRsvpEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/rsvp/GetRsvpEndpoint.kt
index 767a0759..5dc7d463 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/rsvp/GetRsvpEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/rsvp/GetRsvpEndpoint.kt
@@ -2,6 +2,7 @@ package org.dreamexposure.discal.server.endpoints.v2.rsvp
 
 import discord4j.common.util.Snowflake
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.database.DatabaseManager
 import org.dreamexposure.discal.core.logger.LOGGER
 import org.dreamexposure.discal.core.utils.GlobalVal
@@ -21,6 +22,7 @@ import reactor.core.publisher.Mono
 @RequestMapping("/v2/rsvp")
 class GetRsvpEndpoint {
     @PostMapping("/get", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun getRsvp(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/rsvp/UpdateRsvpEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/rsvp/UpdateRsvpEndpoint.kt
index 14bb1ae2..ee984d69 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/rsvp/UpdateRsvpEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/rsvp/UpdateRsvpEndpoint.kt
@@ -4,6 +4,7 @@ import discord4j.common.util.Snowflake
 import discord4j.core.DiscordClient
 import discord4j.rest.http.client.ClientException
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.*
 import org.dreamexposure.discal.core.database.DatabaseManager
 import org.dreamexposure.discal.core.logger.LOGGER
 import org.dreamexposure.discal.core.utils.GlobalVal
@@ -25,6 +26,7 @@ import reactor.function.TupleUtils
 @RequestMapping("/v2/rsvp")
 class UpdateRsvpEndpoint(val client: DiscordClient) {
     @PostMapping(value = ["/update"], produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun updateRsvp(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/status/GetStatusEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/status/GetStatusEndpoint.kt
index 02097f30..6255a37a 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/status/GetStatusEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/status/GetStatusEndpoint.kt
@@ -2,6 +2,7 @@ package org.dreamexposure.discal.server.endpoints.v2.status
 
 import kotlinx.serialization.SerializationException
 import kotlinx.serialization.encodeToString
+import org.dreamexposure.discal.core.annotations.Authentication.AccessLevel
 import org.dreamexposure.discal.core.logger.LOGGER
 import org.dreamexposure.discal.core.utils.GlobalVal
 import org.dreamexposure.discal.server.network.discal.NetworkManager
@@ -19,6 +20,7 @@ import reactor.core.publisher.Mono
 class GetStatusEndpoint(val networkManager: NetworkManager) {
 
     @PostMapping("/get", produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun getStatus(swe: ServerWebExchange, response: ServerHttpResponse): Mono<String> {
         return Authentication.authenticate(swe).map { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/status/HeartbeatEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/status/HeartbeatEndpoint.kt
index 87e32022..08ff3264 100644
--- a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/status/HeartbeatEndpoint.kt
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v2/status/HeartbeatEndpoint.kt
@@ -5,6 +5,7 @@ import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.encodeToString
 import org.dreamexposure.discal.core.`object`.rest.HeartbeatRequest
 import org.dreamexposure.discal.core.`object`.rest.HeartbeatType
+import org.dreamexposure.discal.core.annotations.Authentication.*
 import org.dreamexposure.discal.core.logger.LOGGER
 import org.dreamexposure.discal.core.utils.GlobalVal
 import org.dreamexposure.discal.server.network.discal.NetworkManager
@@ -23,6 +24,7 @@ import reactor.core.publisher.Mono
 class HeartbeatEndpoint(val networkManager: NetworkManager) {
 
     @PostMapping(value = ["/heartbeat"], produces = ["application/json"])
+    @org.dreamexposure.discal.core.annotations.Authentication(access = AccessLevel.PUBLIC)
     fun heartbeat(swe: ServerWebExchange, response: ServerHttpResponse, @RequestBody rBody: String): Mono<String> {
         return Authentication.authenticate(swe).flatMap { authState ->
             if (!authState.success) {
diff --git a/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v3/InviteEndpoint.kt b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v3/InviteEndpoint.kt
new file mode 100644
index 00000000..bb569b66
--- /dev/null
+++ b/server/src/main/kotlin/org/dreamexposure/discal/server/endpoints/v3/InviteEndpoint.kt
@@ -0,0 +1,18 @@
+package org.dreamexposure.discal.server.endpoints.v3
+
+import org.dreamexposure.discal.core.`object`.BotSettings
+import org.dreamexposure.discal.core.annotations.Authentication
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+import reactor.core.publisher.Mono
+
+@RestController
+@RequestMapping("/v3/")
+class InviteEndpoint {
+    @Authentication(access = Authentication.AccessLevel.PUBLIC)
+    @GetMapping("invite", produces = ["application/json"])
+    fun get(): Mono<String> {
+        return Mono.just(BotSettings.INVITE_URL.get())
+    }
+}
diff --git a/server/src/main/resources/application.properties b/server/src/main/resources/application.properties
index 16bbaf2c..46206006 100644
--- a/server/src/main/resources/application.properties
+++ b/server/src/main/resources/application.properties
@@ -1,3 +1,4 @@
 spring.application.name=DisCal Server
 server.port=8080
 spring.session.store-type=redis
+discal.security.enabled=true