diff --git a/packages/hoppscotch-backend/.vscode/settings.json b/packages/hoppscotch-backend/.vscode/settings.json
new file mode 100644
index 000000000..4a70cc4e4
--- /dev/null
+++ b/packages/hoppscotch-backend/.vscode/settings.json
@@ -0,0 +1,22 @@
+{
+  "workbench.colorCustomizations": {
+    "activityBar.activeBackground": "#93e6fc",
+    "activityBar.background": "#93e6fc",
+    "activityBar.foreground": "#15202b",
+    "activityBar.inactiveForeground": "#15202b99",
+    "activityBarBadge.background": "#fa45d4",
+    "activityBarBadge.foreground": "#15202b",
+    "commandCenter.border": "#15202b99",
+    "sash.hoverBorder": "#93e6fc",
+    "statusBar.background": "#61dafb",
+    "statusBar.foreground": "#15202b",
+    "statusBarItem.hoverBackground": "#2fcefa",
+    "statusBarItem.remoteBackground": "#61dafb",
+    "statusBarItem.remoteForeground": "#15202b",
+    "titleBar.activeBackground": "#61dafb",
+    "titleBar.activeForeground": "#15202b",
+    "titleBar.inactiveBackground": "#61dafb99",
+    "titleBar.inactiveForeground": "#15202b99"
+  },
+  "peacock.remoteColor": "#61dafb"
+}
diff --git a/packages/hoppscotch-backend/prisma/migrations/20230109064650_auth/migration.sql b/packages/hoppscotch-backend/prisma/migrations/20230109064650_auth/migration.sql
new file mode 100644
index 000000000..e13e07dcd
--- /dev/null
+++ b/packages/hoppscotch-backend/prisma/migrations/20230109064650_auth/migration.sql
@@ -0,0 +1,158 @@
+-- CreateEnum
+CREATE TYPE "TeamMemberRole" AS ENUM ('OWNER', 'VIEWER', 'EDITOR');
+
+-- CreateTable
+CREATE TABLE "Team" (
+    "id" TEXT NOT NULL,
+    "name" TEXT NOT NULL,
+
+    CONSTRAINT "Team_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "TeamMember" (
+    "id" TEXT NOT NULL,
+    "role" "TeamMemberRole" NOT NULL,
+    "userUid" TEXT NOT NULL,
+    "teamID" TEXT NOT NULL,
+
+    CONSTRAINT "TeamMember_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "TeamInvitation" (
+    "id" TEXT NOT NULL,
+    "teamID" TEXT NOT NULL,
+    "creatorUid" TEXT NOT NULL,
+    "inviteeEmail" TEXT NOT NULL,
+    "inviteeRole" "TeamMemberRole" NOT NULL,
+
+    CONSTRAINT "TeamInvitation_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "TeamCollection" (
+    "id" TEXT NOT NULL,
+    "parentID" TEXT,
+    "teamID" TEXT NOT NULL,
+    "title" TEXT NOT NULL,
+
+    CONSTRAINT "TeamCollection_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "TeamRequest" (
+    "id" TEXT NOT NULL,
+    "collectionID" TEXT NOT NULL,
+    "teamID" TEXT NOT NULL,
+    "title" TEXT NOT NULL,
+    "request" JSONB NOT NULL,
+
+    CONSTRAINT "TeamRequest_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "Shortcode" (
+    "id" TEXT NOT NULL,
+    "request" JSONB NOT NULL,
+    "creatorUid" TEXT,
+    "createdOn" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "Shortcode_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "TeamEnvironment" (
+    "id" TEXT NOT NULL,
+    "teamID" TEXT NOT NULL,
+    "name" TEXT NOT NULL,
+    "variables" JSONB NOT NULL,
+
+    CONSTRAINT "TeamEnvironment_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "User" (
+    "id" TEXT NOT NULL,
+    "name" TEXT,
+    "email" TEXT,
+    "image" TEXT,
+    "isAdmin" BOOLEAN NOT NULL DEFAULT false,
+    "refreshToken" TEXT,
+    "createdOn" TIMESTAMPTZ(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "User_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "Account" (
+    "id" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "provider" TEXT NOT NULL,
+    "providerAccountId" TEXT NOT NULL,
+    "providerRefreshToken" TEXT,
+    "providerAccessToken" TEXT,
+    "providerScope" TEXT,
+    "loggedIn" TIMESTAMPTZ(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "Account_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "PasswordlessVerification" (
+    "deviceIdentifier" TEXT NOT NULL,
+    "token" TEXT NOT NULL,
+    "userUid" TEXT NOT NULL,
+    "expiresOn" TIMESTAMPTZ(3) NOT NULL
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "TeamMember_teamID_userUid_key" ON "TeamMember"("teamID", "userUid");
+
+-- CreateIndex
+CREATE INDEX "TeamInvitation_teamID_idx" ON "TeamInvitation"("teamID");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "TeamInvitation_teamID_inviteeEmail_key" ON "TeamInvitation"("teamID", "inviteeEmail");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Shortcode_id_creatorUid_key" ON "Shortcode"("id", "creatorUid");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_email_key" ON "User"("email");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Account_provider_providerAccountId_key" ON "Account"("provider", "providerAccountId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "PasswordlessVerification_token_key" ON "PasswordlessVerification"("token");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "PasswordlessVerification_deviceIdentifier_token_key" ON "PasswordlessVerification"("deviceIdentifier", "token");
+
+-- AddForeignKey
+ALTER TABLE "TeamMember" ADD CONSTRAINT "TeamMember_teamID_fkey" FOREIGN KEY ("teamID") REFERENCES "Team"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "TeamInvitation" ADD CONSTRAINT "TeamInvitation_teamID_fkey" FOREIGN KEY ("teamID") REFERENCES "Team"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "TeamCollection" ADD CONSTRAINT "TeamCollection_parentID_fkey" FOREIGN KEY ("parentID") REFERENCES "TeamCollection"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "TeamCollection" ADD CONSTRAINT "TeamCollection_teamID_fkey" FOREIGN KEY ("teamID") REFERENCES "Team"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "TeamRequest" ADD CONSTRAINT "TeamRequest_collectionID_fkey" FOREIGN KEY ("collectionID") REFERENCES "TeamCollection"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "TeamRequest" ADD CONSTRAINT "TeamRequest_teamID_fkey" FOREIGN KEY ("teamID") REFERENCES "Team"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "TeamEnvironment" ADD CONSTRAINT "TeamEnvironment_teamID_fkey" FOREIGN KEY ("teamID") REFERENCES "Team"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Account" ADD CONSTRAINT "Account_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "PasswordlessVerification" ADD CONSTRAINT "PasswordlessVerification_userUid_fkey" FOREIGN KEY ("userUid") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
diff --git a/packages/hoppscotch-backend/prisma/migrations/migration_lock.toml b/packages/hoppscotch-backend/prisma/migrations/migration_lock.toml
new file mode 100644
index 000000000..fbffa92c2
--- /dev/null
+++ b/packages/hoppscotch-backend/prisma/migrations/migration_lock.toml
@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "postgresql"
\ No newline at end of file
diff --git a/packages/hoppscotch-backend/src/auth/auth.controller.ts b/packages/hoppscotch-backend/src/auth/auth.controller.ts
new file mode 100644
index 000000000..1405cfd99
--- /dev/null
+++ b/packages/hoppscotch-backend/src/auth/auth.controller.ts
@@ -0,0 +1,14 @@
+import { Body, Controller, Get, Post } from '@nestjs/common';
+import { AuthService } from './auth.service';
+import { signInMagicDto } from './dto/signin-magic.dto';
+import { verifyMagicDto } from './dto/verify-magic.dto';
+
+@Controller('auth')
+export class AuthController {
+  constructor(private authService: AuthService) {}
+
+  @Post('signin')
+  async signIn(@Body() authData: signInMagicDto) {
+    return this.authService.signIn(authData.email);
+  }
+}
diff --git a/packages/hoppscotch-backend/src/auth/auth.module.ts b/packages/hoppscotch-backend/src/auth/auth.module.ts
new file mode 100644
index 000000000..ee45655e1
--- /dev/null
+++ b/packages/hoppscotch-backend/src/auth/auth.module.ts
@@ -0,0 +1,13 @@
+import { Module } from '@nestjs/common';
+import { AuthService } from './auth.service';
+import { AuthController } from './auth.controller';
+import { UserModule } from 'src/user/user.module';
+import { MailerModule } from 'src/mailer/mailer.module';
+import { PrismaModule } from 'src/prisma/prisma.module';
+
+@Module({
+  imports: [PrismaModule, UserModule, MailerModule],
+  providers: [AuthService],
+  controllers: [AuthController],
+})
+export class AuthModule {}
diff --git a/packages/hoppscotch-backend/src/auth/auth.service.spec.ts b/packages/hoppscotch-backend/src/auth/auth.service.spec.ts
new file mode 100644
index 000000000..800ab6626
--- /dev/null
+++ b/packages/hoppscotch-backend/src/auth/auth.service.spec.ts
@@ -0,0 +1,18 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { AuthService } from './auth.service';
+
+describe('AuthService', () => {
+  let service: AuthService;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [AuthService],
+    }).compile();
+
+    service = module.get<AuthService>(AuthService);
+  });
+
+  it('should be defined', () => {
+    expect(service).toBeDefined();
+  });
+});
diff --git a/packages/hoppscotch-backend/src/auth/auth.service.ts b/packages/hoppscotch-backend/src/auth/auth.service.ts
new file mode 100644
index 000000000..fbe281ac1
--- /dev/null
+++ b/packages/hoppscotch-backend/src/auth/auth.service.ts
@@ -0,0 +1,68 @@
+import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
+import { MailerService } from 'src/mailer/mailer.service';
+import { PrismaService } from 'src/prisma/prisma.service';
+import { User } from 'src/user/user.model';
+import { UserService } from 'src/user/user.service';
+import { verifyMagicDto } from './dto/verify-magic.dto';
+import { DateTime } from 'luxon';
+import * as argon2 from 'argon2';
+import bcrypt from 'bcrypt';
+import * as O from 'fp-ts/Option';
+import * as E from 'fp-ts/Either';
+import * as TE from 'fp-ts/TaskEither';
+import { PasswordlessToken } from 'src/types/Passwordless';
+import { EmailCodec } from 'src/types/Email';
+import { INVALID_EMAIL } from 'src/errors';
+import { pipe } from 'fp-ts/lib/function';
+import { validateEmail } from 'src/utils';
+
+@Injectable()
+export class AuthService {
+  constructor(
+    private usersService: UserService,
+    private prismaService: PrismaService,
+    private readonly mailerService: MailerService,
+  ) {}
+
+  // generate Id and token for email magiclink
+  private async generatePasswordlessTokens(user: User) {
+    const salt = await bcrypt.genSalt(10);
+    const expiresOn = DateTime.now().plus({ hours: 3 }).toISO().toString();
+
+    const idToken: PasswordlessToken =
+      await this.prismaService.passwordlessVerification.create({
+        data: {
+          expiresOn: expiresOn,
+          deviceIdentifier: salt,
+          userUid: user.id,
+        },
+      });
+
+    return idToken;
+  }
+
+  async signIn(email: string) {
+    if (!validateEmail(email)) return E.left(INVALID_EMAIL);
+
+    let user: User;
+    const queriedUser = await this.usersService.findUserByEmail(email);
+
+    if (O.isNone(queriedUser)) {
+      user = await this.usersService.createUser(email);
+    } else {
+      user = queriedUser.value;
+    }
+
+    const generatedTokens = await this.generatePasswordlessTokens(user);
+
+    this.mailerService.sendMail(email, {
+      template: 'code-your-own',
+      variables: {
+        inviteeEmail: email,
+        magicLink: `${process.env.APP_DOMAIN}/magic-link?token=${generatedTokens.token}`,
+      },
+    });
+
+    return { deviceIdentifier: generatedTokens.deviceIdentifier };
+  }
+}
diff --git a/packages/hoppscotch-backend/src/auth/dto/refresh-tokens.dto.ts b/packages/hoppscotch-backend/src/auth/dto/refresh-tokens.dto.ts
new file mode 100644
index 000000000..4ad8d681d
--- /dev/null
+++ b/packages/hoppscotch-backend/src/auth/dto/refresh-tokens.dto.ts
@@ -0,0 +1,3 @@
+export class refreshTokensDto {
+  refresh_token: string;
+}
diff --git a/packages/hoppscotch-backend/src/auth/dto/signin-magic.dto.ts b/packages/hoppscotch-backend/src/auth/dto/signin-magic.dto.ts
new file mode 100644
index 000000000..21af042b7
--- /dev/null
+++ b/packages/hoppscotch-backend/src/auth/dto/signin-magic.dto.ts
@@ -0,0 +1,3 @@
+export class signInMagicDto {
+  email: string;
+}
diff --git a/packages/hoppscotch-backend/src/auth/dto/verify-magic.dto.ts b/packages/hoppscotch-backend/src/auth/dto/verify-magic.dto.ts
new file mode 100644
index 000000000..ceaedcec9
--- /dev/null
+++ b/packages/hoppscotch-backend/src/auth/dto/verify-magic.dto.ts
@@ -0,0 +1,4 @@
+export class verifyMagicDto {
+  identifier: string;
+  token: string;
+}
diff --git a/packages/hoppscotch-backend/src/mailer/MailDescriptions.ts b/packages/hoppscotch-backend/src/mailer/MailDescriptions.ts
new file mode 100644
index 000000000..f2a0d1b38
--- /dev/null
+++ b/packages/hoppscotch-backend/src/mailer/MailDescriptions.ts
@@ -0,0 +1,16 @@
+export type MailDescription = {
+  template: 'team-invitation';
+  variables: {
+    invitee: string;
+    invite_team_name: string;
+    action_url: string;
+  };
+};
+
+export type UserMagicLinkMailDescription = {
+  template: 'code-your-own'; //Alias of template in Postmark, change this to env variable
+  variables: {
+    inviteeEmail: string;
+    magicLink: string;
+  };
+};
diff --git a/packages/hoppscotch-backend/src/mailer/mailer.module.ts b/packages/hoppscotch-backend/src/mailer/mailer.module.ts
new file mode 100644
index 000000000..eba8e9c93
--- /dev/null
+++ b/packages/hoppscotch-backend/src/mailer/mailer.module.ts
@@ -0,0 +1,8 @@
+import { Module } from '@nestjs/common';
+import { MailerService } from './mailer.service';
+
+@Module({
+  providers: [MailerService],
+  exports: [MailerService],
+})
+export class MailerModule {}
diff --git a/packages/hoppscotch-backend/src/mailer/mailer.service.ts b/packages/hoppscotch-backend/src/mailer/mailer.service.ts
new file mode 100644
index 000000000..204b296a4
--- /dev/null
+++ b/packages/hoppscotch-backend/src/mailer/mailer.service.ts
@@ -0,0 +1,40 @@
+import { Injectable, OnModuleInit } from '@nestjs/common';
+import { Email } from 'src/types/Email';
+import {
+  MailDescription,
+  UserMagicLinkMailDescription,
+} from './MailDescriptions';
+import * as postmark from 'postmark';
+import { throwErr } from 'src/utils';
+import * as TE from 'fp-ts/TaskEither';
+import { EMAIL_FAILED } from 'src/errors';
+
+@Injectable()
+export class MailerService implements OnModuleInit {
+  client: postmark.ServerClient;
+
+  onModuleInit() {
+    this.client = new postmark.ServerClient(
+      process.env.POSTMARK_SERVER_TOKEN ||
+        throwErr('No Postmark Server Token defined'),
+    );
+  }
+
+  sendMail(
+    to: string,
+    mailDesc: MailDescription | UserMagicLinkMailDescription,
+  ) {
+    return TE.tryCatch(
+      () =>
+        this.client.sendEmailWithTemplate({
+          To: to,
+          From:
+            process.env.POSTMARK_SENDER_EMAIL ||
+            throwErr('No Postmark Sender Email defined'),
+          TemplateAlias: mailDesc.template,
+          TemplateModel: mailDesc.variables,
+        }),
+      () => EMAIL_FAILED,
+    );
+  }
+}
diff --git a/packages/hoppscotch-backend/src/types/Email.ts b/packages/hoppscotch-backend/src/types/Email.ts
new file mode 100644
index 000000000..fd4144a8e
--- /dev/null
+++ b/packages/hoppscotch-backend/src/types/Email.ts
@@ -0,0 +1,17 @@
+import * as t from 'io-ts';
+
+interface EmailBrand {
+  readonly Email: unique symbol;
+}
+
+// The validation branded type for an email
+export const EmailCodec = t.brand(
+  t.string,
+  (x): x is t.Branded<string, EmailBrand> =>
+    /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/.test(
+      x,
+    ),
+  'Email',
+);
+
+export type Email = t.TypeOf<typeof EmailCodec>;
diff --git a/packages/hoppscotch-backend/src/types/Passwordless.ts b/packages/hoppscotch-backend/src/types/Passwordless.ts
new file mode 100644
index 000000000..7478730db
--- /dev/null
+++ b/packages/hoppscotch-backend/src/types/Passwordless.ts
@@ -0,0 +1,9 @@
+import { User } from 'src/user/user.model';
+
+export interface PasswordlessToken {
+  deviceIdentifier: string;
+  token: string;
+  userUid: string;
+  user?: User;
+  expiresOn: Date;
+}
diff --git a/packages/hoppscotch-backend/src/user/user.service.ts b/packages/hoppscotch-backend/src/user/user.service.ts
new file mode 100644
index 000000000..19845981e
--- /dev/null
+++ b/packages/hoppscotch-backend/src/user/user.service.ts
@@ -0,0 +1,72 @@
+import { Injectable } from '@nestjs/common';
+import { PrismaService } from 'src/prisma/prisma.service';
+import * as O from 'fp-ts/Option';
+import { User } from './user.model';
+
+@Injectable()
+export class UserService {
+  constructor(private prisma: PrismaService) {}
+
+  async findUserByEmail(email: string) {
+    try {
+      const user: User = await this.prisma.user.findUniqueOrThrow({
+        where: {
+          email: email,
+        },
+      });
+      return O.some(user);
+    } catch (error) {
+      return O.none;
+    }
+  }
+
+  async createUser(email: string) {
+    const createdUser = await this.prisma.user.create({
+      data: {
+        email: email,
+        accounts: {
+          create: {
+            provider: 'magic',
+            providerAccountId: email,
+          },
+        },
+      },
+    });
+
+    return createdUser;
+  }
+
+  async createUserSSO(accessToken, refreshToken, profile) {
+    const createdUser = await this.prisma.user.create({
+      data: {
+        name: profile.displayName,
+        email: profile.emails[0].value,
+        image: profile.photos[0].value,
+        accounts: {
+          create: {
+            provider: profile.provider,
+            providerAccountId: profile.id,
+            providerRefreshToken: refreshToken,
+            providerAccessToken: accessToken,
+          },
+        },
+      },
+    });
+
+    return createdUser;
+  }
+
+  async createProviderAccount(user, accessToken, refreshToken, profile) {
+    const createdProvider = await this.prisma.account.create({
+      data: {
+        userId: user.id,
+        provider: profile.provider,
+        providerAccountId: profile.id,
+        providerRefreshToken: refreshToken ? refreshToken : null,
+        providerAccessToken: accessToken ? accessToken : null,
+      },
+    });
+
+    return createdProvider;
+  }
+}