OneSource - Blockchain Data API for AI Agents

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://api.onesource.io

• GET/standard/v1/decisions/exit$0.05The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Everything relevant to deciding whether to exit a charter's branches right now, bundled into one call. On x402 Bazaar
• POST/api/chain/call$0.005Simulate a read-only Ethereum contract call via eth_call - no transaction sent On mppscan and x402 Bazaar
• GET/standard/v1/decisions/branch$0.05The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Everything relevant to deciding whether to buy a Branch or license right now, bundled into one call. On x402 Bazaar
• GET/standard/v1/vaults/current$0.02The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Latest expansion and contraction vault WETH balances, plus protocol-owned liquidity once observed on-chain. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts. On x402 Bazaar
• GET/api/chain/pending$0.01Pending block - transactions not yet mined, via eth_getBlockByNumber("pending") On mppscan and x402 Bazaar
• POST/api/chain/estimate-gas$0.004Estimate the gas a transaction will consume via eth_estimateGas before signing it On mppscan and x402 Bazaar
• GET/api/chain/block/:number$0.003Fetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber On x402 Bazaar
• GET/standard/v1/candles$0.02The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. OHLC price candles for the STANDARD/ETH pool, priced in ETH per STANDARD. On x402 Bazaar
• GET/standard/v1/auctions/days$0.02The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Per-day history for the license or charter Dutch auction: open price, floor, close price, and how much sold each day. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts. On x402 Bazaar
• GET/standard/v1/decisions/plan$0.05The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Simulates keep, selective, and aggressive Branch-expansion strategies over a horizon, seeded from this API's own live routes. A simulation for exploring tradeoffs, not a forecast. On x402 Bazaar
• GET/api/chain/storage$0.005Read a raw storage slot from any Ethereum contract via eth_getStorageAt On mppscan and x402 Bazaar
• GET/standard/v1/decisions/charter$0.05The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Everything relevant to deciding whether to buy into a new charter right now, bundled into one call. On x402 Bazaar
• GET/deepstate/v1/markets$0.005Deepstate, the on-chain order-book exchange on Robinhood Chain. Lists the markets this service serves with their token layout (base, quote, token0/token1, decimals). On mppscan and x402 Bazaar
• GET/standard/v1/governance/changes$0.02The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Governance and parameter-change history, queued changes awaiting effect, feature switches, and guardian pause state. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts. On x402 Bazaar
• GET/api/chain/erc721-tokens$0.008List every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call) On mppscan and x402 Bazaar
• GET/api/chain/nft-owner$0.003Look up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call) On mppscan and x402 Bazaar
• GET/api/chain/erc20-balance$0.003ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC On mppscan and x402 Bazaar
• GET/standard/v1/tax/schedule$0.02The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. The launch tax hook's current buy and sell rates, its decay schedule, and a projection of where the rate is headed. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts. On x402 Bazaar
• GET/api/chain/allowance$0.003ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet On mppscan and x402 Bazaar
• GET/standard/v1/dormancy$0.02The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Wallet last-activity records, flagged reportable once past the dormancy window. On x402 Bazaar
• GET/deepstate/v1/candles/{book}—No price listed On mppscan
• GET/standard/v1/policy/epochs$0.02The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Epoch history and boundaries. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts. On x402 Bazaar
• GET/standard/v1/supply/history$0.02The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Supply ledger history. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts. On x402 Bazaar
• GET/api/chain/tx/{hash}—No price listed On mppscan
• GET/api/chain/nonce/:address$0.003Next transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs it has sent On x402 Bazaar

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Showing 25 of 82 listed endpoints. Next endpoints