FinWise API
SupportChangelog

Create a category group

Request body

namestringrequired
Group name.
POST/transaction-category-groups
curl https://api.finwiseapp.io/transaction-category-groups \
  -X POST \
  -H "Authorization: Bearer fw_..." \
  -H "Content-Type: application/json" \
  -d '{"name":"Everyday","emoji":"🛒"}'
const response = await fetch('https://api.finwiseapp.io/transaction-category-groups', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer fw_...',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
  "name": "Everyday",
  "emoji": "🛒"
}),
})
const data = await response.json()
Response
{
  "id": "b11db54c-bc17-558d-9bfc-638791c31b61",
  "createdAt": "2026-03-14T09:10:00.000Z",
  "updatedAt": "2026-03-14T09:10:00.000Z",
  "name": "Everyday",
  "userId": "f472696c-47ac-4873-98cf-2a1069a1cf45",
  "color": "#4C63ED",
  "emoji": "🛒",
  "sortIndex": 0
}