OneSource - Ethereum RPC for AI Agents

https://api.onesource.io

● healthy crypto

Ethereum mainnet and Sepolia testnet RPC for AI agents, served from OneSource-operated nodes. Live block, balance, contract, NFT, transaction, and event data. Pay per call or use batch/session mode — USDC on Base via x402, or pathUSD/USDC.e on Tempo via MPP. No API keys required.

Quality grade

How grading works

A 100.0 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 200)

Payability 20.0 / 20

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✓ Price declared

Demand 40.0 / 40

1808 distinct payers, 22304 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 3 h ago. On-chain activity last read 2 d ago. Availability is re-probed every 4 hours and on-chain demand daily; the grade updates automatically on the next pass.

Paid endpoints

25 resource(s) advertised by this origin.

GET /api/chain/allowance

GET /api/chain/block-number

GET /api/chain/block/{number}

GET /api/chain/chain-id

GET /api/chain/code/{address}

GET /api/chain/contract/{address}

GET /api/chain/ens/{input}

GET /api/chain/erc1155-balance

GET /api/chain/erc20-balance

GET /api/chain/erc20-transfers

GET /api/chain/erc721-tokens

GET /api/chain/events

GET /api/chain/live-balance

GET /api/chain/network-info

GET /api/chain/nft-metadata

GET /api/chain/nft-owner

GET /api/chain/nonce/{address}

GET /api/chain/pending

GET /api/chain/proxy/{address}

GET /api/chain/receipt/{hash}

GET /api/chain/storage

GET /api/chain/total-supply

GET /api/chain/tx/{hash}

POST /api/chain/call

POST /api/chain/estimate-gas

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://api.onesource.io

/.well-known/x402.json

https://api.onesource.io/.well-known/x402

Listed in

Directories this entry was found in.

x402scan