Onchain & crypto
Chain reads, wallets, tokens, DeFi analytics and transaction data. 6,792 listings.
- 90trustChain Erc20 Balanceapi.onesource.io
ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC
$0.003per call on Base100% uptime, 124 ms, 583 paying agentsPassing, checked 3 h ago - 90trustChain Block Numberapi.onesource.io
Latest Ethereum block height - current chain tip via eth_blockNumber
$0.001per call on Base100% uptime, 129 ms, 557 paying agentsPassing, checked 3 h ago - 90trustChain Live Balanceapi.onesource.io
Live wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch
$0.003per call on Base100% uptime, 123 ms, 519 paying agentsPassing, checked 3 h ago - 90trustChain Contractapi.onesource.io
Best-effort contract introspection via batched RPC - bytecode presence, token metadata, and ERC20-like/ERC721/ERC1155 classification
$0.005per call on Base100% uptime, 127 ms, 440 paying agentsPassing, checked 3 h ago - 90trustChain Erc20 Transfersapi.onesource.io
ERC20 Transfer logs via eth_getLogs - raw Transfer events for a token or wallet
$0.005per call on Base100% uptime, 125 ms, 437 paying agentsPassing, checked 3 h ago - 90trustChain Blockapi.onesource.io
Fetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber
$0.003per call on Base100% uptime, 117 ms, 402 paying agentsPassing, checked 3 h ago - 90trustChain Total Supplyapi.onesource.io
Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)
$0.003per call on Base100% uptime, 127 ms, 399 paying agentsPassing, checked 3 h ago - 90trustChain Nonceapi.onesource.io
Next transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs it has sent
$0.003per call on Base100% uptime, 136 ms, 384 paying agentsPassing, checked 3 h ago - 90trustDeepstate Bookapi.onesource.io
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.
$0.005per call on Base100% uptime, 125 ms, 348 paying agentsPassing, checked 3 h ago - 90trustDeepstate Statsapi.onesource.io
Deepstate, the on-chain order-book exchange on Robinhood Chain. Rolling 24h / 7d / 30d volume and price change for a market.
$0.005per call on Base100% uptime, 124 ms, 332 paying agentsPassing, checked 3 h ago - 90trustDeepstate Candlesapi.onesource.io
Deepstate, the on-chain order-book exchange on Robinhood Chain. OHLCV candles for a market.
$0.005per call on Base100% uptime, 137 ms, 328 paying agentsPassing, checked 3 h ago - 90trustDeepstate Tradesapi.onesource.io
Deepstate, the on-chain order-book exchange on Robinhood Chain. Trade tape for a market, newest first.
$0.005per call on Base100% uptime, 131 ms, 319 paying agentsPassing, checked 3 h ago - 90trustChain Txapi.onesource.io
Full Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block
$0.008per call on Base100% uptime, 123 ms, 318 paying agentsPassing, checked 3 h ago - 90trustChain Eventsapi.onesource.io
Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range
$0.005per call on Base100% uptime, 123 ms, 293 paying agentsPassing, checked 3 h ago - 90trustChain Receiptapi.onesource.io
Transaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mined Ethereum transaction
$0.005per call on Base100% uptime, 127 ms, 267 paying agentsPassing, checked 3 h ago - 90trustChain Chain Idapi.onesource.io
Ethereum chain ID (EIP-155) via eth_chainId - confirm which chain a network is on
$0.001per call on Base100% uptime, 139 ms, 263 paying agentsPassing, checked 3 h ago - 90trustChain Erc721 Tokensapi.onesource.io
List every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call)
$0.008per call on Base100% uptime, 115 ms, 251 paying agentsPassing, checked 3 h ago - 90trustChain Allowanceapi.onesource.io
ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet
$0.003per call on Base100% uptime, 154 ms, 250 paying agentsPassing, checked 3 h ago - 90trustChain Estimate Gasapi.onesource.io
Estimate the gas a transaction will consume via eth_estimateGas before signing it
$0.004per call on Base100% uptime, 125 ms, 243 paying agentsPassing, checked 3 h ago - 90trustChain Nft Metadataapi.onesource.io
NFT metadata for ERC721 or ERC1155 tokens via eth_call, with IPFS, Arweave, data URI, and public HTTP(S) resolution
$0.008per call on Base100% uptime, 162 ms, 242 paying agentsPassing, checked 3 h ago - 90trustAnalytics Depth Historyapi.onesource.io
Deepstate, the on-chain order-book exchange on Robinhood Chain. Depth heatmap - resting order size by price level over time for a market.
$0.02per call on Base100% uptime, 124 ms, 227 paying agentsPassing, checked 3 h ago - 90trustChain Callapi.onesource.io
Simulate a read-only Ethereum contract call via eth_call - no transaction sent
$0.005per call on Base100% uptime, 117 ms, 222 paying agentsPassing, checked 3 h ago - 90trustAnalytics Cost To Quoteapi.onesource.io
Deepstate, the on-chain order-book exchange on Robinhood Chain. Gas spent resting and cancelling orders for a market.
$0.02per call on Base100% uptime, 129 ms, 219 paying agentsPassing, checked 3 h ago - 90trustChain Erc1155 Balanceapi.onesource.io
ERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds
$0.003per call on Base100% uptime, 129 ms, 154 paying agentsPassing, checked 3 h ago - 90trustChain Nft Ownerapi.onesource.io
Look up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)
$0.003per call on Base100% uptime, 130 ms, 151 paying agentsPassing, checked 3 h ago - 90trustTick Symbolstick.hugen.tokyo
List all available FX symbols with their current quality state and source count. AI agent API for discovering available instruments before subscribing to tick data. Accepts USDC payments on Base and Solana
$0.005per call on Base100% uptime, 141 ms, 124 paying agentsPassing, checked 3 h ago - 90trustBranches Summaryapi.onesource.io
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Summary across reserve branches. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts.
$0.02per call on Base100% uptime, 124 ms, 88 paying agentsPassing, checked 3 h ago - 90trustBacking Currentapi.onesource.io
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. A snapshot of reserve backing: vault ETH balances, other reserve-asset holdings, and ETH backing per circulating STANDARD token. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts.
$0.02per call on Base100% uptime, 129 ms, 83 paying agentsPassing, checked 3 h ago - 90trustDubai Data — Dubai real estate statisticsdatadubai.ae
Dubai property prices, AED/sqft, sales, rents, yields and projects from DLD registered transactions.
6 toolsopen100% uptime, 123 msPassing, checked 3 h ago - 90trustInferventis MCP Servermcp-server-295985738387.europe-west1.run.app
Loan & mortgage calculator, compound interest, ROI, crypto prices, FX conversion for AI agents.
20 toolsopen100% uptime, 92 msPassing, checked 3 h ago