diff --git a/routes/legacy/checkserver.js b/routes/legacy/checkserver.js
new file mode 100644
index 0000000..40ad74d
--- /dev/null
+++ b/routes/legacy/checkserver.js
@@ -0,0 +1,24 @@
+const express = require("express")
+const router = express.Router()
+const sessionsService = require("../../services/sessionsService")
+
+router.get("/", async (req, res) => {
+    const { user, serverId } = req.query
+    try {
+        const result = await sessionsService.hasJoinedServer({ 
+            username: user, 
+            serverId, 
+            ip: null 
+        })
+
+        if (result.code === 200) {
+            return res.send("YES")
+        } else {
+            return res.send("NO")
+        }
+    } catch (err) {
+        return res.send("NO")
+    }
+})
+
+module.exports = router
\ No newline at end of file
diff --git a/routes/legacy/joinserver.js b/routes/legacy/joinserver.js
new file mode 100644
index 0000000..62802fe
--- /dev/null
+++ b/routes/legacy/joinserver.js
@@ -0,0 +1,26 @@
+const express = require("express")
+const router = express.Router()
+const sessionsService = require("../../services/sessionsService")
+const logger = require("../../modules/logger")
+
+router.get("/", async (req, res) => {
+    const { user, sessionId, serverId } = req.query
+    const clientIp = req.ip || req.connection.remoteAddress
+
+    try {
+        await sessionsService.joinLegacyServer({ 
+            name: user, 
+            sessionId, 
+            serverId,
+            ip: clientIp 
+        })
+
+        logger.log(`Legacy Join: ${user} -> ${serverId}`, ["AUTH", "green"])
+        return res.send("OK")
+
+    } catch (err) {
+        return res.send("Bad login")
+    }
+})
+
+module.exports = router
\ No newline at end of file
diff --git a/routes/legacy/login.js b/routes/legacy/login.js
new file mode 100644
index 0000000..7f4ccbe
--- /dev/null
+++ b/routes/legacy/login.js
@@ -0,0 +1,36 @@
+const express = require("express")
+const router = express.Router()
+const crypto = require("crypto")
+const authService = require("../../services/authService")
+const sessionsService = require("../../services/sessionsService")
+const logger = require("../../modules/logger")
+
+router.all("/", async (req, res) => {
+    const { user, password } = { ...req.query, ...req.body }
+
+    try {
+        const result = await authService.authenticate({ 
+            identifier: user, 
+            password, 
+            clientToken: "",
+            requireUser: false 
+        })
+
+        const profile = result.response.selectedProfile
+        const sessionId = crypto.randomBytes(16).toString("hex")
+
+        await sessionsService.registerLegacySession({ 
+            uuid: profile.id, 
+            sessionId 
+        })
+
+        logger.log(`Legacy Login: ${user}`, ["AUTH", "green"])
+
+        const timestamp = Date.now()
+        return res.send(`${timestamp}:deprecated:${profile.name}:${sessionId}:${profile.id}`)
+    } catch (err) {
+        return res.send("Bad login")
+    }
+})
+
+module.exports = router
\ No newline at end of file
diff --git a/schemas/legacy/joinserver.js b/schemas/legacy/joinserver.js
new file mode 100644
index 0000000..02d5cff
--- /dev/null
+++ b/schemas/legacy/joinserver.js
@@ -0,0 +1,11 @@
+const z = require("zod")
+
+module.exports = {
+    GET: {
+        query: z.object({
+            user: z.string().min(1),
+            sessionId: z.string().min(1),
+            serverId: z.string().min(1)
+        })
+    }
+}
\ No newline at end of file
diff --git a/schemas/legacy/legacy/checkserver.js b/schemas/legacy/legacy/checkserver.js
new file mode 100644
index 0000000..2487bc0
--- /dev/null
+++ b/schemas/legacy/legacy/checkserver.js
@@ -0,0 +1,10 @@
+const z = require("zod")
+
+module.exports = {
+    GET: {
+        query: z.object({
+            user: z.string().min(1),
+            serverId: z.string().min(1)
+        })
+    }
+}
\ No newline at end of file
diff --git a/schemas/legacy/login.js b/schemas/legacy/login.js
new file mode 100644
index 0000000..6037e22
--- /dev/null
+++ b/schemas/legacy/login.js
@@ -0,0 +1,16 @@
+const z = require("zod")
+
+const loginShape = {
+    user: z.string().min(1, { message: "Username required" }),
+    password: z.string().min(1, { message: "Password required" }),
+    version: z.union([z.string(), z.number()]).optional()
+}
+
+module.exports = {
+    POST: {
+        body: z.object(loginShape),
+    },
+    GET: {
+        query: z.object(loginShape)
+    }
+}
\ No newline at end of file
diff --git a/services/sessionsService.js b/services/sessionsService.js
index 9a60ebd..e72d043 100644
--- a/services/sessionsService.js
+++ b/services/sessionsService.js
@@ -152,10 +152,26 @@ async function hasJoinedServer({ username, serverId, ip }) {
     })
 }
 
+async function joinLegacyServer({ name, sessionId, serverId }) {
+    try {
+        await validateLegacySession({ name, sessionId })
+    } catch (error) {
+        throw new DefaultError(403, "Bad login", "ForbiddenOperationException")
+    }
+
+    const userResult = await authRepository.getUser(name)
+    const uuid = userResult.user.uuid
+
+    await sessionRepository.saveServerSession(uuid, sessionId, serverId, "0.0.0.0") 
+
+    return { code: 200, message: "OK" }
+}
+
 module.exports = {
     getProfile,
     joinServer,
     hasJoinedServer,
+    joinLegacyServer,
     getBlockedServers,
     registerLegacySession,
     validateLegacySession,