# E03000 — InsufficientBalance

Insufficient wallet balance.

- **HTTP status**: `402`
- **Type**: `billing_error`
- **Name**: `InsufficientBalance`

## What to do

Top up your wallet, then retry. Turning on automatic top-ups keeps a low balance from interrupting later requests.

## Related

- [Billing and usage](/docs/guides/billing-and-usage): balance, plans, and top-ups
- [E03xxx — Billing & plans](/docs/api/errors/E03xxx): every code in this range
- [Errors](/docs/api/errors): the full wire contract, status mapping, and error catalog
- [Error handling](/docs/guides/errors): branching on `type` and `code`, validation details, and `vendor_code`