Pricing
Free to start. Crypto when you scale.
No card. Pay on-chain, submit the tx hash in-app — we upgrade within 24h.
Free
$0 / forever
- 100 receipts / key / UTC day
- Issue + public verify
- Idempotency-Key (24h)
- stdio MCP
Most used
Starter
$19 / month
- 500 receipts / UTC day
- USDC, USDT, or ETH
- Email support via hello@
- Same API — higher quota
Accepted networks
Base
Ethereum
Arbitrum
Polygon
Tron USDT
USDC
USDT
ETH
How payment works. Send $19 USD equivalent →
submit tx hash on /pay → Starter upgrade within 24h.