Fuse Spark

live — RPC endpoint serving RPC endpoint testnet

Our Fuse Spark presence is the relay: a public JSON-RPC endpoint, free for baseline reads, with a flat $25/30-day key or a per-call x402 lane (USDC, no signup) for volume.

POST https://nexflowscan.com/api/rpc/fuse-spark

x402: POST https://rpc.nexflowscan.com/api/v1/x402/rpc/fuse-spark

Fuse Spark RPC docs — curl examples + pricing

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