Built for real-time wallet data
fetchsblock focuses on one thing and does it exceptionally well: streaming crypto wallet activity to your application as it happens.
Create a stream
Register the wallet addresses and chains you want to monitor with a single API call.
Configure delivery
Choose webhooks or polling and filter for the exact events your app cares about.
Receive live data
Get enriched, decoded wallet events delivered in real time as they confirm on-chain.
Capabilities
Webhook delivery
Push wallet events to your backend with signed, retryable webhooks.
Multi-chain
BNB Smart Chain, Ethereum, Tron, Polygon, and more from one API surface.
Enriched payloads
Decoded transfers, token metadata, and USD values included by default.
Priority NFT sync
Keep NFT ownership and transfers up to date with prioritized indexing queues.
Flexible filtering
Subscribe to balances, transfers, swaps, or contract interactions per wallet.
Secure access
Scoped API keys, rate controls, and audit-friendly request logging.