Pay-per-call Base onchain data API settling over x402 (HTTP 402, USDC on Base). Endpoints: address labels from the open eth-labels dataset (104,209 entries, mostly generic category tags such as token-contract/exchange rather than named entities; unknown addresses return label:null and are still charged per call), plain-language transaction explanation, funding-cluster (sybil) analysis, CCTP cross-chain USDC burn-mint tracking, historical onchain alerts and paid alert subscriptions by webhook or Telegram. $0.01-$0.05 USDC per call; no account or API key. Free-tier MCP endpoint at https://agentsapi.top/mcp.
https://agentsapi.top/v1/alerts