Better Auth•2h ago

BetterAuth mounted but routes returning 404 in NestJS

Hello, I’m integrating @thallesp/nestjs-better-auth into a NestJS project and it seems to initialize fine and the console shows:

[2025-10-26 17:14:22.786 +0100] INFO (26116): AuthModule initialized BetterAuth on '/auth/*' {"context":"AuthModule"}

[2025-10-26 17:14:22.786 +0100] INFO (26116): AuthModule initialized BetterAuth on '/auth/*' {"context":"AuthModule"}

however when I try to do anything (register, login, oath...) it always returns 404 error

POST http://localhost:5000/auth/sign-up/email

{
    "message": "Cannot POST /auth/sign-in/email/",
    "error": "Not Found",
    "statusCode": 404
}

POST http://localhost:5000/auth/sign-up/email

{
    "message": "Cannot POST /auth/sign-in/email/",
    "error": "Not Found",
    "statusCode": 404
}

this is my AuthModule:

@Module({
  imports: [
    DatabaseModule,
    BetterAuthModule.forRootAsync({
      imports: [DatabaseModule, ConfigModule],
      useFactory: (database: NodePgDatabase, configService: ConfigService) => ({
        auth: betterAuth({
          emailAndPassword: {
            enabled: true,
          },

          basePath: "/auth",

          trustedOrigins:
            configService
              .get<string>("ALLOWED_ORIGINS")
              ?.split(",")
              ?.map((origin) => origin.trim())
              ?.filter((origin) => origin.length > 0) || [],

          database: drizzleAdapter(database, { provider: "pg" }),

          socialProviders: {
            github: {
              clientId: configService.getOrThrow("GITHUB_CLIENT_ID"),
              clientSecret: configService.getOrThrow("GITHUB_CLIENT_SECRET"),
            },
            google: {
              clientId: configService.getOrThrow("GOOGLE_CLIENT_ID"),
              clientSecret: configService.getOrThrow("GOOGLE_CLIENT_SECRET"),
            },
          },
        }),
      }),
      inject: [DATABASE_CONNECTION, ConfigService],
    }),
  ],
  exports: [BetterAuthModule],
})
export class AuthModule {}

@Module({
  imports: [
    DatabaseModule,
    BetterAuthModule.forRootAsync({
      imports: [DatabaseModule, ConfigModule],
      useFactory: (database: NodePgDatabase, configService: ConfigService) => ({
        auth: betterAuth({
          emailAndPassword: {
            enabled: true,
          },

          basePath: "/auth",

          trustedOrigins:
            configService
              .get<string>("ALLOWED_ORIGINS")
              ?.split(",")
              ?.map((origin) => origin.trim())
              ?.filter((origin) => origin.length > 0) || [],

          database: drizzleAdapter(database, { provider: "pg" }),

          socialProviders: {
            github: {
              clientId: configService.getOrThrow("GITHUB_CLIENT_ID"),
              clientSecret: configService.getOrThrow("GITHUB_CLIENT_SECRET"),
            },
            google: {
              clientId: configService.getOrThrow("GOOGLE_CLIENT_ID"),
              clientSecret: configService.getOrThrow("GOOGLE_CLIENT_SECRET"),
            },
          },
        }),
      }),
      inject: [DATABASE_CONNECTION, ConfigService],
    }),
  ],
  exports: [BetterAuthModule],
})
export class AuthModule {}

Solution:

updating the packages related to @nestjs to the latest version solves the issue

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2 Replies

Solution

attano•1h ago

updating the packages related to @nestjs to the latest version solves the issue

attanoOP•1h ago

https://github.com/ThallesP/nestjs-better-auth/issues/20

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BetterAuth mounted but routes returning 404 in NestJS

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