hubble-rpc.xyz exposes 1 paid x402 endpoint on Base, covering blockchain, rag-query, and natural-language. Pay per request in USDC.
Ask natural language questions about blockchain data using Hubble's RAG (Retrieval-Augmented Generation) knowledge base. The endpoint processes queries against a V2 knowledge base with configurable confidence thresholds and data sources, returning structured results with verification status. Powered by Hubble RPC's Lego API.