insufficient_balance

The wallet balance does not cover this purchase.

HTTP 402.

Likely cause: Not enough prepaid balance; shortfall_eur_cents says how much is missing.

What to do: Top up, then repeat.

Retry: No. The same request gets the same answer; change something first.

Listed under Billing, slots and dedicated IPs in Errors. Send the error’s requestId to support and we can find the request.