Pontoon Fee Sponsorship
Give your users zero-balance transactions: Pontoon provisions the exact gas/Energy their wallet needs, debiting your prepaid balance.
Per-chain behavior
| Chain | Requested amount | Delivery |
|---|---|---|
| BSC | BNB wei to SEND this call | Platform gas wallet sends requestedAmount; not fill-to-balance |
| Tron | Energy units (min 60,000) | Ensure available Energy ≥ requested; billed as rental USD, not sun |
| TON | TON nanotons to SEND this call | Platform W5 gas wallet sends requestedAmount. Gasless is not this API |
Guarantees
- Idempotent — one
idempotencyKey= one execution = one toll. - Prepaid only — insufficient balance is rejected before anything touches the chain (402).
- Verified delivery — status is only
confirmedafter on-chain evidence checks.