Get API access Higher limits cover the same figures. Full history, saved views, and morning alerts are on Pro.
The service's listing describes it this way: Latest Ethereum block height - current chain tip via eth_blockNumber Website
A service is a tool an AI agent pays to call. api.onesource.io is listed on this page under AI inference / LLM, settling on Base, through x402. 30-day settled volume on this page is $6.96. The listing comes from the service catalog. Open a row for payments, payers, and chains. See Bazaar, agent payment use cases, and the methodology.
FacilitatorsCoinbase
Methodology · settled volume through 2026-10-25 · catalog Oct 25, 2026, 4:39 AM UTC
| Metric | 24h | 7d | 30d |
|---|---|---|---|
| Volume | $4.02 | $6.96 | $6.96 |
| Payments | 457 | 856 | 856 |
| Payers | 100 | 117 | 117 |
| Avg payment | $0.0088 | $0.0081 | $0.0081 |
| Share of AI inference / LLM | 5.3% | 6.7% | 6.7% |
| Use-case rank | #3 | #3 | #3 |
Payers can be counted more than once when they paid through more than one facilitator.
Data through Oct 25, 2026. Source: public settlement logs. Methodology
| Time | Daily settled volume for api.onesource.io |
|---|---|
| 2026-10-23 | $3.58 |
| 2026-10-24 | $3.38 |
| 2026-10-25 | $1.54 |
| Time | Daily buyers for api.onesource.io |
|---|---|
| 2026-10-23 | 49 |
| 2026-10-24 | 79 |
| 2026-10-25 | 29 |
3.7%
Top payer's share of lifetime volume. Not the period selected above.
87.7%
Lifetime buyers with more than one payment, divided by all buyers.
Price, network, and asset come from the x402 Bazaar catalog.
| Endpoint | Network | Asset | Price | Scheme |
|---|---|---|---|---|
| https://api.onesource.io/api/chain/block-number Latest Ethereum block height - current chain tip via eth_blockNumber | base | USDC | $0.001 | exact |
| https://api.onesource.io/api/chain/erc20-balance ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC | base | USDC | $0.003 | batch-settlement |
| https://api.onesource.io/deepstate/v1/book/:book Deepstate, the on-chain order-book exchange on Robinhood Chain. Order-book snapshot for a market, bids descending and asks ascending, with live resting size per level. | base | USDC | $0.005 | exact |
| https://api.onesource.io/deepstate/v1/stats/:book Deepstate, the on-chain order-book exchange on Robinhood Chain. Rolling 24h / 7d / 30d volume and price change for a market. | base | USDC | $0.005 | exact |
| https://api.onesource.io/deepstate/v1/candles/:book Deepstate, the on-chain order-book exchange on Robinhood Chain. OHLCV candles for a market. | base | USDC | $0.005 | exact |
| https://api.onesource.io/api/chain/live-balance Live wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch | base | USDC | $0.003 | exact |
| https://api.onesource.io/api/chain/contract/:address Best-effort contract introspection via batched RPC - bytecode presence, token metadata, and ERC20-like/ERC721/ERC1155 classification | base | USDC | $0.005 | batch-settlement |
| https://api.onesource.io/api/chain/ens/:input ENS resolve - turn a .eth name into an address, or an address into its primary .eth name, via eth_call on OneSource live Ethereum RPC | base | USDC | $0.005 | batch-settlement |
| https://api.onesource.io/api/chain/erc20-transfers ERC20 Transfer logs via eth_getLogs - raw Transfer events for a token or wallet | base | USDC | $0.005 | exact |
| https://api.onesource.io/api/chain/total-supply Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call) | base | USDC | $0.003 | batch-settlement |
| https://api.onesource.io/api/chain/nonce/:address Next transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs it has sent | base | USDC | $0.003 | exact |
| https://api.onesource.io/api/chain/block/:number Fetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber | base | USDC | $0.003 | batch-settlement |
| https://api.onesource.io/api/chain/network-info EVM network info - chain ID, block height, gas price, chain head age, and chain characteristics in one batched RPC call (eth_chainId + eth_blockNumber + eth_gasPrice + latest block header) | base | USDC | $0.001 | exact |
| https://api.onesource.io/deepstate/v1/markets Deepstate, the on-chain order-book exchange on Robinhood Chain. Lists the markets this service serves with their token layout (base, quote, token0/token1, decimals). | base | USDC | $0.005 | exact |
| https://api.onesource.io/api/chain/tx/:hash Full Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block | base | USDC | $0.008 | exact |
| https://api.onesource.io/deepstate/v1/trades/:book Deepstate, the on-chain order-book exchange on Robinhood Chain. Trade tape for a market, newest first. | base | USDC | $0.005 | exact |
| https://api.onesource.io/api/chain/events Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range | base | USDC | $0.005 | exact |
| https://api.onesource.io/api/chain/chain-id Ethereum chain ID (EIP-155) via eth_chainId - confirm which chain a network is on | base | USDC | $0.001 | batch-settlement |
| https://api.onesource.io/api/chain/nft-metadata NFT metadata for ERC721 or ERC1155 tokens via eth_call, with IPFS, Arweave, data URI, and public HTTP(S) resolution | base | USDC | $0.008 | batch-settlement |
| https://api.onesource.io/api/chain/receipt/:hash Transaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mined Ethereum transaction | base | USDC | $0.005 | exact |
| https://api.onesource.io/api/chain/erc721-tokens List every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call) | base | USDC | $0.008 | batch-settlement |
| https://api.onesource.io/deepstate/v1/analytics/makers Deepstate, the on-chain order-book exchange on Robinhood Chain. Per-maker time-at-top, notional rested, fills, and maker rewards earned for a market (token varies by market; see /deepstate/v1/markets). | base | USDC | $0.02 | exact |
| https://api.onesource.io/api/chain/estimate-gas Estimate the gas a transaction will consume via eth_estimateGas before signing it | base | USDC | $0.004 | exact |
| https://api.onesource.io/deepstate/v1/analytics/depth-history Deepstate, the on-chain order-book exchange on Robinhood Chain. Depth heatmap - resting order size by price level over time for a market. | base | USDC | $0.02 | exact |
| Facilitator | Volume | Tx | Share |
|---|---|---|---|
| Coinbasex402 | $8.50 | 976 | 100.0% |
Agent GDP. (2026). api.onesource.io [Data set]. Retrieved October 25, 2026, from https://agentgdp.io/service/api.onesource.io.
"api.onesource.io." Agent GDP, 25 Oct. 2026, https://agentgdp.io/service/api.onesource.io.
@misc{agentgdp_api_onesource_io_2026,
author = {{Agent GDP}},
title = {api.onesource.io},
year = {2026},
url = {https://agentgdp.io/service/api.onesource.io},
note = {Retrieved October 25, 2026. Data through 2026-10-25. Licensed under CC BY 4.0.},
license = {https://creativecommons.org/licenses/by/4.0/}
}api.onesource.io: $6.96 settled volume (7d), 856 payments, 117 buyers. Agent GDP, data through 2026-10-25. https://agentgdp.io/service/api.onesource.io Retrieved October 25, 2026.
Data from Agent GDP (https://agentgdp.io/service/api.onesource.io), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).
Payers on a day can be counted more than once if they paid through more than one facilitator. Growth compares this period with the previous period of the same length. The page link uses the service's site when we have one, and the payee address otherwise.
Name this view. Open it again from here.
None saved yet.
Spot moves early with an email the next morning.
Volume and payment counts include earlier days. Transaction-level detail available from October 23, 2026.