agentmarketindex.
About the index ↗
MARKET MONITOR / CATALOGUE Services 83,381 MCP listed 39,664 x402 43,726 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-25 · 2 sources
Provider

api.onesource.io

api.onesource.io · 54 listed services · provider site

Block number x402 REST usage

Latest Ethereum block height - current chain tip via eth_blockNumber

api.onesource.io Crypto & Payments 407 calls / 30d checked 2026-10-26
0.001 USDC per call per call

Erc20 balance x402 REST usage

ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC

api.onesource.io Crypto & Payments 379 calls / 30d checked 2026-10-26
0.003 USDC per call per call

:book x402 REST usage

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.

api.onesource.io Other services 373 calls / 30d checked 2026-10-26
0.005 USDC per call per call

Live balance x402 REST usage

Live wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch

api.onesource.io Crypto & Payments 300 calls / 30d checked 2026-10-26
0.003 USDC per call per call

:input x402 REST usage

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

api.onesource.io Geo & Maps 264 calls / 30d checked 2026-10-26
0.005 USDC per call per call

Erc20 transfers x402 REST usage

ERC20 Transfer logs via eth_getLogs - raw Transfer events for a token or wallet

api.onesource.io Crypto & Payments 264 calls / 30d checked 2026-10-26
0.005 USDC per call per call

:address x402 REST usage

Best-effort contract introspection via batched RPC - bytecode presence, token metadata, and ERC20-like/ERC721/ERC1155 classification

api.onesource.io Crypto & Payments 262 calls / 30d checked 2026-10-26
0.005 USDC per call per call

Total supply x402 REST usage

Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)

api.onesource.io Crypto & Payments 243 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Network info x402 REST usage

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)

api.onesource.io Other services 229 calls / 30d checked 2026-10-26
0.001 USDC per call per call

:number x402 REST usage

Fetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber

api.onesource.io Crypto & Payments 223 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Markets x402 REST usage

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).

api.onesource.io Data & Finance 207 calls / 30d checked 2026-10-26
0.005 USDC per call per call

:hash x402 REST usage

Full Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block

api.onesource.io Crypto & Payments 196 calls / 30d checked 2026-10-26
0.008 USDC per call per call

Events x402 REST usage

Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range

api.onesource.io Infrastructure 181 calls / 30d checked 2026-10-26
0.005 USDC per call per call

Chain id x402 REST usage

Ethereum chain ID (EIP-155) via eth_chainId - confirm which chain a network is on

api.onesource.io Crypto & Payments 171 calls / 30d checked 2026-10-26
0.001 USDC per call per call

Nft metadata x402 REST usage

NFT metadata for ERC721 or ERC1155 tokens via eth_call, with IPFS, Arweave, data URI, and public HTTP(S) resolution

api.onesource.io Crypto & Payments 167 calls / 30d checked 2026-10-26
0.008 USDC per call per call

Erc721 tokens x402 REST usage

List every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call)

api.onesource.io Data & Finance 160 calls / 30d checked 2026-10-26
0.008 USDC per call per call

Makers x402 REST usage

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).

api.onesource.io Productivity & Docs 153 calls / 30d checked 2026-10-26
0.02 USDC per call per call

Estimate gas x402 REST usage

Estimate the gas a transaction will consume via eth_estimateGas before signing it

api.onesource.io Other services 144 calls / 30d checked 2026-10-26
0.004 USDC per call per call

Depth history x402 REST usage

Deepstate, the on-chain order-book exchange on Robinhood Chain. Depth heatmap - resting order size by price level over time for a market.

api.onesource.io Geo & Maps 143 calls / 30d checked 2026-10-26
0.02 USDC per call per call

Allowance x402 REST usage

ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet

api.onesource.io Crypto & Payments 141 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Call x402 REST usage

Simulate a read-only Ethereum contract call via eth_call - no transaction sent

api.onesource.io Crypto & Payments 137 calls / 30d checked 2026-10-26
0.005 USDC per call per call

Cost to quote x402 REST usage

Deepstate, the on-chain order-book exchange on Robinhood Chain. Gas spent resting and cancelling orders for a market.

api.onesource.io Other services 133 calls / 30d checked 2026-10-26
0.02 USDC per call per call

Nft owner x402 REST usage

Look up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)

api.onesource.io Crypto & Payments 101 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Erc1155 balance x402 REST usage

ERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds

api.onesource.io Data & Finance 89 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Pool x402 REST usage

The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Latest AMM pool state: price, tick, liquidity, reserves. reserve_eth_raw and reserve_std_raw are 18-decimal token amounts; divide them by 1e18....

api.onesource.io Data & Finance 78 calls / 30d checked 2026-10-26
0.02 USDC per call per call

Summary x402 REST usage

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.

api.onesource.io Productivity & Docs 77 calls / 30d checked 2026-10-26
0.02 USDC per call per call

Storage x402 REST usage

Read a raw storage slot from any Ethereum contract via eth_getStorageAt

api.onesource.io Search & Research 75 calls / 30d checked 2026-10-26
0.005 USDC per call per call

Current x402 REST usage

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...

api.onesource.io Data & Finance 67 calls / 30d checked 2026-10-26
0.02 USDC per call per call

Schedule x402 REST usage

The 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 1...

api.onesource.io Data & Finance 62 calls / 30d checked 2026-10-26
0.02 USDC per call per call

Charters x402 REST usage

The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Charters, optionally filtered by owner. Fields ending in _raw are 18-decimal integers as strings. Divide by 1e18 to get token amounts.

api.onesource.io Data & Finance 58 calls / 30d checked 2026-10-26
0.005 USDC per call per call

Provider identity is derived from the domain or repository in the source record. If two vendors share a host, they appear together here — that is a limitation of the data, not a statement about ownership.