api.onesource.io
ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC
- Category
- Crypto & DeFi
- Starting price
- $0.001
- Paid calls · 30 days
- 10K
- Unique payers · 30 days
- 9.8K
Paid endpoints
70 endpoints, sorted by usage. Prices are per request.
- GET/standard/v1/branches/license-cost
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Today's Branch license cost in ETH, compared against the charter auction's own price to show which path costs less. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts.
$0.02Base62calls / 30d - GET/standard/v1/buybacks/readiness
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Whether the contraction vault's next buyback tick can fire, its ETH capacity, cooldown remaining, and recent executed ticks. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts.
$0.02Base57calls / 30d - GET/standard/v1/branches/doi
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Days of Issuance: how the current license price compares to the pace of new-Branch issuance.
$0.02Base53calls / 30d - GET/standard/v1/supply/history
The 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.
$0.02Base51calls / 30d - GET/standard/v1/exit-pressure/history
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Exit-pressure history. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts.
$0.02Base48calls / 30d - GET/standard/v1/policy/epochs
The 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.
$0.02Base46calls / 30d - GET/standard/v1/backing/history
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Backing-ratio history, joined against circulating supply as of each snapshot block. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts.
$0.02Base40calls / 30d - GET/standard/v1/governance/changes
The 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.
$0.02Base39calls / 30d - GET/standard/v1/vaults/history
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Vault snapshot history. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts.
$0.02Base39calls / 30d - GET/standard/v1/auctions/sales
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Auction sale history, newest first. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts.
$0.02Base36calls / 30d - GET/standard/v1/events
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Raw protocol event feed, newest first.
$0.005Base36calls / 30d - GET/standard/v1/dormancy
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Wallet last-activity records, flagged reportable once past the dormancy window.
$0.02Base33calls / 30d - GET/standard/v1/auctions/days
The 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.
$0.02Base33calls / 30d - GET/standard/v1/holders/concentration
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. How concentrated Charter and Branch ownership is across wallets, including a standard concentration score and a genesis-versus-auction breakdown.
$0.02Base32calls / 30d - GET/standard/v1/constants
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Chain-read protocol constants: base rate, epoch length, floors, and where each one was last read from.
$0.005Base31calls / 30d - GET/standard/v1/dormancy/bounties
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Wallets past their reportable dormancy window, ranked by the bounty an outside reporter could claim for flagging them. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts.
$0.02Base28calls / 30d - GET/standard/v1/decisions/branch
The 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.
$0.05Base26calls / 30d - GET/standard/v1/decisions/charter
The 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.
$0.05Base24calls / 30d - GET/standard/v1/decisions/plan
The 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.
$0.05Base19calls / 30d - GET/standard/v1/decisions/exit
The 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.
$0.05Base16calls / 30d