# E22001 — LookupInsufficientBalance

Insufficient balance to run this lookup.

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

## What to do

Top up the organization's wallet, then retry the lookup. Nothing was charged for this request.

## Related

- [Billing and usage](/docs/guides/billing-and-usage): balance, plans, and top-ups
- [E22xxx — Number lookup](/docs/api/errors/E22xxx): 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`