PUT and DELETE API in Express.js

PUT and DELETE API in Express.js — a practical guide to Express PUT DELETE API with clear examples you can reuse in real projects.

PUT and DELETE API in Express.js — 39/55 in the Node.js series. Full playlist companion: Node.js complete course on YouTube. Prefer one article? Read the complete Node.js tutorial.

Short description

PUT/PATCH updates an existing resource. DELETE removes it. Use route params like `/api/notes/:id`.

PUT + DELETE

app.put('/api/notes/:id', (req, res) => {
  const id = Number(req.params.id);
  const note = notes.find((n) => n.id === id);
  if (!note) return res.status(404).json({ error: 'Not found' });
  note.text = req.body.text;
  res.json(note);
});

app.delete('/api/notes/:id', (req, res) => {
  const id = Number(req.params.id);
  const index = notes.findIndex((n) => n.id === id);
  if (index === -1) return res.status(404).json({ error: 'Not found' });
  notes.splice(index, 1);
  res.status(204).end();
});