api.onesource.io
45 listed endpoints · free reliability snapshot (may be up to 24h old)
Base
A 33B 12
endpoints
45
avg trust score
81.4
ecosystem avg 52.0
avg 30-day uptime
97.1%
ecosystem avg 53.6%
avg latency (EU)
866 ms
measured from a single EU vantage point; includes network round-trip distance to the endpoint
price band
$0.001–$0.02
USDC per call
networks
1
At a glance
api.onesource.io operates 45 listed x402 endpoints across 1 network. 45 of them carry a computed trust score, averaging 81.4 of 100 (above the ecosystem average of 52.0). Average 30-day uptime across the measured endpoints is 97.1% (above the ecosystem average of 53.6%). Advertised prices range from $0.001 to $0.02 USDC per call. Best-scored endpoint: /api/chain/network-info (grade A, 85.7).
Top endpoints by trust score
- /api/chain/network-info/api/chain/network-infoEVM network info - chain ID, block height, gas price, chain head age, and chain characteristics in one batched RPC call (eth_chainId + eth_blockNumber + eth_…→
- /api/chain/live-balance/api/chain/live-balanceLive wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch→
- /api/chain/erc20-balance/api/chain/erc20-balanceERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC→
- /api/chain/storage/api/chain/storageRead a raw storage slot from any Ethereum contract via eth_getStorageAt→
- /api/chain/nft-owner/api/chain/nft-ownerLook up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)→
All endpoints
Scores use reduced-density sampling; live probe, full 30-min density and 90-day history via the paid API. Provider-supplied names and descriptions are unverified claims; the grades are our independent measurement.