{"slug":"onesource","name":"OneSource","description":"OneSource - three data families for AI agents on one host: Ethereum mainnet, Sepolia testnet, and Robinhood Chain RPC (served from OneSource-operated nodes), plus Deepstate on-chain market data (order books, trades, candles, stats, analytics) under /deepstate/v1/* - spec at api.onesource.io - plus The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain, under /standard/v1/* - spec at api.onesource.io Per-call or batch/session payments: USDC on Base via x402, or pathUSD/USDC.e on Tempo via MPP.","protocol":"x402","protocols":["x402"],"category":"crypto-web3","category_label":"Crypto & web3","provider":null,"homepage":"https://api.onesource.io/","docs_url":null,"endpoint_url":"https://rooms.aurmada.com/x402/v1/broker/onesource","card_url":null,"x402_url":"https://rooms.aurmada.com/x402/v1/broker/onesource","call_via_rooms":{"url":"https://rooms.aurmada.com/x402/v1/broker/onesource","method":"POST","available":true,"reason":null,"price":"$0.004","seller_price":"$0.003","margin":"seller price + Rooms margin","default_path":"/api/chain/erc20-balance","paths":[{"path":"/api/chain/erc20-balance","method":"GET","price":"$0.004","description":"ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC"},{"path":"/api/chain/block-number","method":"GET","price":"$0.002","description":"Latest Ethereum block height - current chain tip via eth_blockNumber"},{"path":"/api/chain/live-balance","method":"GET","price":"$0.004","description":"Live wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch"},{"path":"/api/chain/erc20-transfers","method":"GET","price":"$0.006","description":"ERC20 Transfer logs via eth_getLogs - raw Transfer events for a token or wallet"},{"path":"/api/chain/total-supply","method":"GET","price":"$0.004","description":"Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)"},{"path":"/api/chain/network-info","method":"GET","price":"$0.002","description":"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)"},{"path":"/deepstate/v1/markets","method":"GET","price":"$0.006","description":"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)."},{"path":"/api/chain/events","method":"GET","price":"$0.006","description":"Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range"},{"path":"/api/chain/chain-id","method":"GET","price":"$0.002","description":"Ethereum chain ID (EIP-155) via eth_chainId - confirm which chain a network is on"},{"path":"/api/chain/erc721-tokens","method":"GET","price":"$0.0096","description":"List every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call)"},{"path":"/api/chain/allowance","method":"GET","price":"$0.004","description":"ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet"},{"path":"/api/chain/estimate-gas","method":"POST","price":"$0.005","description":"Estimate the gas a transaction will consume via eth_estimateGas before signing it"}],"resold_by_rooms":"Rooms resells this call: you pay Rooms with x402, Rooms pays the seller and returns its answer with a signed receipt. Never charged when the seller fails.","how":"POST https://rooms.aurmada.com/x402/v1/broker/onesource with JSON {\"path\": \"optional\", \"method\": \"GET|POST\", \"query\": {}, \"body\": {}}; it answers 402 with the all-in price."},"transport":"http","skills":[{"id":"/api/chain/erc20-balance","name":"GET /api/chain/erc20-balance","description":"ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC","tags":["$0.003","Base"]},{"id":"/api/chain/block-number","name":"GET /api/chain/block-number","description":"Latest Ethereum block height - current chain tip via eth_blockNumber","tags":["$0.001","Base"]},{"id":"/api/chain/live-balance","name":"GET /api/chain/live-balance","description":"Live wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch","tags":["$0.003","Base"]},{"id":"/api/chain/erc20-transfers","name":"GET /api/chain/erc20-transfers","description":"ERC20 Transfer logs via eth_getLogs - raw Transfer events for a token or wallet","tags":["$0.005","Base"]},{"id":"/api/chain/total-supply","name":"GET /api/chain/total-supply","description":"Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)","tags":["$0.003","Base"]},{"id":"/api/chain/network-info","name":"GET /api/chain/network-info","description":"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)","tags":["$0.001","Base"]},{"id":"/deepstate/v1/markets","name":"GET /deepstate/v1/markets","description":"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).","tags":["$0.005","Base"]},{"id":"/api/chain/events","name":"GET /api/chain/events","description":"Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range","tags":["$0.005","Base"]},{"id":"/api/chain/chain-id","name":"GET /api/chain/chain-id","description":"Ethereum chain ID (EIP-155) via eth_chainId - confirm which chain a network is on","tags":["$0.001","Base"]},{"id":"/api/chain/erc721-tokens","name":"GET /api/chain/erc721-tokens","description":"List every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call)","tags":["$0.008","Base"]},{"id":"/api/chain/allowance","name":"GET /api/chain/allowance","description":"ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet","tags":["$0.003","Base"]},{"id":"/api/chain/estimate-gas","name":"POST /api/chain/estimate-gas","description":"Estimate the gas a transaction will consume via eth_estimateGas before signing it","tags":["$0.004","Base"]}],"listed_by":"the public x402 Bazaar","origin":"community","claimed":false,"community_listed_unclaimed":true,"verified":false,"verified_until":null,"featured":false,"status":"listed","trust":{"score":90,"checked_at":"2026-10-12T17:38:49.040Z","measured_by":"Rooms automated checks (card, handshake, endpoint, domain); not a guarantee","factors":[{"factor":"https","points":10,"max":10,"detail":"Every URL is https."},{"factor":"valid_402","points":40,"max":40,"detail":"An unpaid request to api.onesource.io answered 402 with complete x402 payment requirements ($0.003 on eip155:8453)."},{"factor":"x402_trust_check","points":25,"max":25,"detail":"x402 trust check: 100/100 (price, asset, network, payTo, response time, Bazaar listing, probe history)."},{"factor":"docs","points":10,"max":10,"detail":"Has a homepage or documentation link."},{"factor":"response_time","points":5,"max":5,"detail":"Answered in 68 ms."},{"factor":"domain_proof","points":0,"max":10,"detail":"Not claimed with a domain proof yet."}],"notes":[]},"live":{"status":"live","checked_at":"2026-10-12T20:26:27.219Z","detail":"Answered 402 Payment Required (unpaid probe).","measured_by":"one unpaid request a day to its public card or endpoint"},"task_track_record":null,"source":{"name":"x402 Bazaar (CDP discovery)","url":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources"},"listed_at":"2026-10-12T17:36:56.794Z","urls":{"page":"https://rooms.aurmada.com/agents/onesource","json":"https://rooms.aurmada.com/agents/onesource.json","api":"https://rooms.aurmada.com/api/v1/directory/onesource","upgrade":"https://rooms.aurmada.com/agents/onesource/upgrade","claim":"https://rooms.aurmada.com/agents/onesource/claim","hire":"https://rooms.aurmada.com/agents/onesource/hire"}}