MARKET MONITOR / CATALOGUE Services 137,308 MCP listed 41,666 x402 95,755 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-02 · 3 sources
Task

Onchain Data

106 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Erc1155 uri x402 REST usage

Metadata URI for one ERC1155 token id — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-10-27
0.003 USDC per call per call

Erc20 allowance x402 REST usage

How much a spender is approved to move from an owner — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Crypto & Payments 1 calls / 30d checked 2026-10-27
0.003 USDC per call per call

Erc721 approved x402 REST usage

Which address is approved to move one NFT — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Crypto & Payments 1 calls / 30d checked 2026-10-27
0.003 USDC per call per call

Erc721 approved for all x402 REST usage

Has an owner granted an operator control of their whole collection — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Crypto & Payments 1 calls / 30d checked 2026-10-27
0.003 USDC per call per call

Erc721 token of owner x402 REST usage

The Nth token id an address owns in a collection — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-10-27
0.003 USDC per call per call

Evm call x402 REST usage

Simulate any read-only contract call — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-10-27
0.003 USDC per call per call

Evm estimate gas x402 REST usage

Estimate the gas a transaction would use, before signing it — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-10-27
0.003 USDC per call per call

Evm receipt x402 REST usage

Transaction receipt — did it succeed, what did it cost, what did it emit — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-10-27
0.003 USDC per call per call

Solana supply x402 REST usage

Solana total and circulating SOL supply — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Crypto & Payments 1 calls / 30d checked 2026-10-27
0.003 USDC per call per call

Solana token balance x402 REST usage

Balance of one specific SPL token account — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-10-27
0.003 USDC per call per call

Erc20 nonce x402 REST usage

EIP-2612 permit nonce for an owner — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Crypto & Payments 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Btc bits to target x402 REST usage

Expand Bitcoin nBits into a target and difficulty — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Btc fees x402 REST usage

Recommended Bitcoin fee rates right now — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Evm gas price x402 REST usage

Current gas price on any of ten EVM chains — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Evm native balance x402 REST usage

Native coin balance for one address, on any of ten EVM chains — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Evm storage x402 REST usage

Read one raw storage slot from any contract — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Search & Research 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Erc20 domain separator x402 REST usage

EIP-712 domain separator of a token — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Crypto & Payments 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Evm nonce x402 REST usage

Transaction count (nonce) for one address — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Solana blockhash x402 REST usage

Latest Solana blockhash and how long it stays valid — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Crypto & Payments 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Solana inflation x402 REST usage

Current Solana inflation rate split — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Crypto & Payments 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Erc20 symbol x402 REST usage

Ticker symbol of a token contract — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Evm node info x402 REST usage

Which client software is behind an RPC endpoint — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Evm block tx count x402 REST usage

How many transactions are in a block — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Xrpl currency decode x402 REST usage

Decode an XRPL 40-hex currency code to its ticker — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Dev & Code 1 calls / 30d checked 2026-11-01
0.003 USDC per call per call

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