HD Wallet Generation
Generate and derive wallets using BIP39/BIP44 across 21 coin types. Stateless — nothing stored.
Real-Time Monitoring
Watch any address or contract across EVM, Bitcoin, TRON, Solana, and more. Events delivered instantly.
Webhook Delivery
HMAC-signed webhooks with automatic retries. Filter by event type, direction, and value range.
36+ Blockchains
EVM, Bitcoin, TRON, Solana, Cardano, Polkadot, TON, Aptos — plus testnets. One API for all.
Event Filtering
Filter by native transfers, ERC-20, ERC-721, approvals. Direction filtering. Value range filtering.
API Key Management
Create and manage API keys for testnet and mainnet. Track usage per key.
Forwarding Wallets
Auto-forward deposits to any destination. Programmable rules — token whitelisting, amount caps.
Programmable Rules
Set token whitelists and amount caps. Auto-refund violations. Full event audit trail.
Choose your plan
Flexible pricing that scales with your needs
Free
Try it out, no card required
- ✓ 100.0K credits (lifetime)
- ✓ 5 subscriptions
- ✓ 1 webhook
- ✓ Community support
Starter
For builders and growing projects
- ✓ 4.0M credits/month
- ✓ 50.0K subscriptions
- ✓ 50 webhooks
- ✓ Standard support
Pro
For production apps
- ✓ 10.1M credits/month
- ✓ 200.0K subscriptions
- ✓ 200 webhooks
- ✓ Priority support
Scale
High-volume platforms
- ✓ 30.6M credits/month
- ✓ 500K subscriptions
- ✓ 500 webhooks
- ✓ Dedicated support
7-day free trial on all paid plans. No credit card required.
Start monitoring in 30 seconds
curl https://api.fluxrail.io/v1/subscriptions \
-H "X-API-Key: flux_xxx" \
-H "Content-Type: application/json" \
-d '{"name":"My Wallet","chain_slug":"ethereum","wallet_addresses":["0x..."],"event_types":["native_transfer","erc20_transfer"],"webhook":1'}'
# Events hit your webhook in real-time
Start monitoring in minutes
Free plan includes 5 subscriptions, 1 webhook, and 100K lifetime credits.
Start Free