Paid API
REST API over Ethereum mainnet: blocks, transactions, traces, tokens, entity labels and risk signals. Called with an API key; plans set the daily quota and request rate.
TraceFast
Real-time Ethereum explorer and data platform
Ways to get the data
MCP server for AI agents
Every API method is an MCP tool with the same data. Connect Claude, Cursor or your own agent with an API key, or sign in with TraceFast over OAuth.
https://tracefast.xyz/mcp · Setup
x402: pay per call
No account and no key: an agent pays each call in USDC on Base with the x402 protocol and gets a signed receipt.
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