# api.onesource.io

> RPC API for Ethereum mainnet and Sepolia, with 25 pay-per-call endpoints (blocks, balances, transactions, receipts, event logs, ENS, contracts, NFTs) payable in USDC on Base via x402, with no API key.

- **Domain**: `api.onesource.io`
- **Provider**: api.onesource.io (https://api.onesource.io)
- **Kind**: paid_api
- **Category**: blockchain
- **Live-responds (last probe)**: None
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 100%
- **Payment protocol**: x402 · network `eip155:8453` · ≥ $0.005
- **Wallet**: `0x52e29e0d2aa49bfbfc548c0a9f2196f4aa51f3ea`

## URLs
- Agent card: https://api.onesource.io/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/api.onesource.io
- Documentation: https://api.onesource.io