MARKET MONITOR / CATALOGUE Services 133,101 MCP listed 40,873 x402 92,310 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-31 · 3 sources
Task

Transaction

119 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.

HubVibe x402 REST usage

Full website audit in one call: accessibility (WCAG 2.1 A/AA via axe-core), on-page SEO, HTTP security headers and page speed / page weight, from a single browser load of one URL. Cheaper than four separate calls; if any...

hubvibe-io.com Security 688 calls / 30d checked 2026-10-31
0.15 USDC per call per call

X Pay x402 REST usage

Payment quote with amount, asset, and merchant wallet

www.api-xpay.com Crypto & Payments 7,233 calls / 30d checked 2026-10-31
0.005 USDC per call per call

SolEnrich x402 REST usage

Trailing 7d, 30d, and lifetime holder yield: rewards distributed in the quote asset, priced in USD, divided by average market cap over the window (daily snapshots). Annualized with an explicit caution flag when the windo...

api.solenrich.com Data & Finance 422 calls / 30d checked 2026-10-31
0.005 USDC per call per call

TxGuard x402 REST usage

Explain and preflight an unsigned Base transaction, EIP-712 typed data, or an EIP-3009 x402 payment authorization before you sign it. Decodes intent against verified ABIs, resolves proxies, classifies approvals, and chec...

txguard.schemasure.com Crypto & Payments 17 calls / 30d checked 2026-10-31
0.02 USDC per call per call

Gas snapshot (slow / standard / x402 REST usage

Live gas price snapshot for a chain - slow / standard / fast tiers in gwei, plus the latest base fee. Sampled from eth_feeHistory (last 4 blocks, 25th/50th/90th percentile priority fees). Use to estimate before broadcast...

agent402.tools Data & Finance 65 calls / 30d checked 2026-10-31
0.005 USDC per call per call

ReceiptSure x402 REST usage

Check whether a mined Base transaction did what your agent meant it to do. Fetches the receipt, decodes its ERC-20, ERC-721 and ERC-1155 transfer and approval logs, and reports each declared movement as matched, missing...

receipt.schemasure.com Dev & Code 14 calls / 30d checked 2026-10-31
0.02 USDC per call per call

Checkpoint402 Tx Explainer x402 REST usage

Explains any Base or Ethereum transaction in plain English: who sent what to whom, which tokens/NFTs moved, the function called, success/failure and fee — plus the structured decoded data.

api.checkpoint402.com Crypto & Payments 4 calls / 30d checked 2026-10-31
0.03 USDC per call per call

Onchain Query API x402 REST usage

ENS name resolution in both directions on Ethereum mainnet. Pass name to resolve an ENS name to its address (forward), or pass address to get that address's primary ENS name (reverse, forward-verified so spoofed reverse...

chain.cyberwarex.com Crypto & Payments 38 calls / 30d checked 2026-10-31
0.003 USDC per call per call

Preflight x402 REST usage

Call before installing packages suggested by a language model. Returns, for each npm or PyPI package name, whether it actually exists in the registry, whether it is deprecated or yanked, and — when the name is not found...

preflight402.com Dev & Code 2 calls / 30d checked 2026-10-31
0.05 USDC per call per call

Phoenix Zero Safe Check x402 REST usage

Boolean pre-flight check for L2 transaction safety across all 12 chains (?chain= param, default: base). Returns safe=true/false with reason code. Revert ratio data available for Base and Arbitrum only (eth_getBlockReceip...

rtt.phoenix-ai.work Dev & Code 8 calls / 30d checked 2026-10-31
0.01 USDC per call per call

Transaction simulation x402 REST usage

Dry-run a prospective smart-contract call or transaction without broadcasting it: executes eth_call and eth_estimateGas against the latest block over the same keyless multi-endpoint public RPC pool as /api/evm-rpc (ether...

agent402.tools Crypto & Payments 11 calls / 30d checked 2026-10-31
0.005 USDC per call per call

Base Tx Explain x402 REST usage

Transaction Decoder: Base tx decoded -- status, transfers, swaps, USD value. Returns: a decoded transaction: status (pending, confirmed, reverted or not_found), block, from and to, value and fee in ETH and USD (Chainlink...

api.arysphere.com Dev & Code 7 calls / 30d checked 2026-10-25
0.005 USDC per call per call

Quartermaster Gas Prices x402 REST usage

Current Base gas prices and a simple-transfer cost estimate for transaction planning.

quartermaster.surewhynot.app Other services 34 calls / 30d checked 2026-10-31
0.001 USDC per call per call

Transaction Status Lookup x402 REST usage

Look up a transaction on Base, Ethereum or IOTA EVM mainnet: status (success, failed, pending or not_found), block, confirmations, timestamp, from, to, ETH value, gas used, fee, method id and decoded ERC20 transfers with...

agentsvc.io Crypto & Payments 16 calls / 30d checked 2026-10-31
0.002 USDC per call per call

Explain transaction, decoded x402 REST usage

Explain transaction, decoded. Explain an EVM transaction in plain words: success or revert, sender and contract, ETH value, fee, the function called (decoded for common ERC-20, ERC-721, WETH, permit and multicall calls),...

agent-data-tools.revmesh2074.workers.dev Dev & Code 3 calls / 30d checked 2026-10-31
0.01 USDC per call per call

Transaction receipt (decoded x402 REST usage

Full receipt for a transaction hash in one call: status, block, from/to, value, gas used vs limit, effective gas price, total fee, tx type, calldata selector, contract created, plus every ERC-20 / ERC-721 / ERC-1155 Tran...

agent402.tools Data & Finance 10 calls / 30d checked 2026-10-31
0.003 USDC per call per call

btc-tx x402 REST usage

Decoded Bitcoin transaction by txid: inputs and outputs, fee, size, weight and virtual size, replace-by-fee flag, and confirmation status with a confirmation count. Informational, not advice.

api.agentstools.dev Dev & Code 3 calls / 30d checked 2026-10-31
0.01 USDC per call per call

Aether x402 REST usage

Wallet balance on Base: the native ETH balance of any address, read live from the chain. Input: address

aether-x402.vercel.app Crypto & Payments 30 calls / 30d checked 2026-10-31
0.001 USDC per call per call

base-tx x402 REST usage

Base transaction lookup by hash - sender, recipient, value, calldata, gas and block, live from Base mainnet via eth_getTransactionByHash.

x402.agentindex.world Other services 3 calls / 30d checked 2026-10-31
0.008 USDC per call per call

Transaction Preflight x402 REST usage

Simulates an unsigned Base or Base Sepolia EVM transaction with read-only RPC calls before an agent signs or broadcasts it. Returns execution/revert status, gas estimate, decoded top-level ERC-20 transfers and approvals,...

mcp.dropenginehq.com Security 1 calls / 30d checked 2026-10-28
0.02 USDC per call per call

transaction-explainer x402 REST usage

Explain any transaction in plain English: status, from/to (with names), decoded method and parameters, native value and fee in USD, and every token movement. Default chain Base; prefix another: ethereum:, arbitrum:, opti...

chain.intel.rallylive.ca Data & Finance 1 calls / 30d checked 2026-10-31
0.02 USDC per call per call

Sui Transaction Lookup x402 REST usage

Sui mainnet transaction by digest in plain JSON: status, time, checkpoint, sender, Move calls, gas fee in SUI, balance changes per address with coin symbols, created and changed objects, events.

agentsvc.io Crypto & Payments 10 calls / 30d checked 2026-10-31
0.002 USDC per call per call

Agent Transaction Preflight x402 REST usage

Run a transaction simulation and EVM safety preflight with gas, destination proxy evidence, and optional token security and allowance checks in one decision-ready report.

ai-data-marketplace-1042299154756.us-central1.run.app Security 4 calls / 30d checked 2026-10-31
0.005 USDC per call per call

Quartermaster Transaction Status x402 REST usage

Check the status of a Base transaction: success/reverted/pending, confirmations, gas used, and explorer link — settlement verification for agents and payment flows.

quartermaster.surewhynot.app Crypto & Payments 9 calls / 30d checked 2026-10-31
0.002 USDC per call per call

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