Bounded blockchain data on Base with x402 USDC payment. Verified route: GET /v1/base/network-status at 0.001 USDC, which returns the observed Base block height, block hash, chain id and a cross provider agreement check. At verification the returned block hash was matched against Base itself and was identical. The provider also lists address labels, sanctions screening, historical market data, address clustering and transaction lookups; those routes are listed but not payment verified. Base only.
Obol has 1 live API on PayAPI Market with 20 endpoints in total, in Data: Obol blockchain data API.
Are Obol's APIs verified?
1 of 1 have at least one settlement-verified route: PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC payment on-chain. Each listing page shows which routes were paid and links the receipt.
How do I pay for Obol's APIs?
Per request, in USDC, over the x402 protocol. An agent calls the endpoint, receives HTTP 402 with the price and wallet, pays and retries. There is no API key, account or subscription, and Obol keeps 100% of each payment.