LingCode Cloud

Provision a backend

In the Mac IDE or /try, ask the agent to add a backend (or use Connect a managed backend). It calls provision_backend and hands you a data URL (https://lingcode.dev/api/cloud/be/<backend-id>) and a public anon key. You can also manage backends at lingcode.dev/backends. See Connect a managed backend.

Create your schema

Tables come from migrations, not runtime calls. Run SQL from the console's SQL tab, or let the agent call apply_migration:

create table todos (
  id         bigint generated always as identity primary key,
  user_id    uuid,
  title      text not null,
  done       boolean not null default false,
  created_at timestamptz not null default now()
);

This is also where indexes, views, constraints, and row-level-security policies live. See Manage database migrations.

Connect the SDK

Load the one-file SDK and create a client with your two values. Inside /try and the Mac preview, skip this — window.lingcode already exists.

<script src="https://lingcode.dev/sdk/lingcode-v1.js"></script>
<script>
  const lingcode = LingCode.createClient(
    'https://lingcode.dev/api/cloud/be/<your-backend-id>',
    '<your-anon-key>'
  );
  await lingcode.ready; // settles any sign-in redirect first
</script>

Read and write

Every call returns { data, error }. Filters chain before the verb; update/delete require one.

await lingcode.from('todos').insert({ title: 'Buy milk' });

const { data, error } = await lingcode
  .from('todos')
  .eq('done', false)
  .order('created_at', { ascending: false })
  .limit(50)
  .select();

Add auth, storage, realtime

Same client, more surface — each has its own guide:

await lingcode.auth.signUp({ email, password });
await lingcode.storage.from('public').upload('avatars/me.png', file);
const off = lingcode.from('todos').subscribe(({ type, row }) => render(type, row));