MARKET MONITOR / CATALOGUE Services 153,668 MCP listed 47,313 x402 106,483 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-10 · 3 sources
Task

Gas

202 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.

Pending Transactions & Tips x402 REST usage

An EVM chain's pending block (Ethereum, Base, Arbitrum, Optimism, Polygon): transaction count, priority-fee and gas-price percentiles, most-called contracts and largest native transfers. Use to price gas.

bess-x402.onrender.com Crypto & Payments 2 calls / 30d checked 2026-11-09
0.003 USDC per call per call

Base x402 REST usage

Base network gas fee statistics (1-minute baseFeePerGas buckets): p25/p50/p90/p99 and the current value's percentile rank within the window. Descriptive statistics only; not investment advice.

api.agentfeeds.jp Data & Finance 3 calls / 30d checked 2026-11-09
0.002 USDC per call per call

Citiview Agent Market x402 REST usage

Breached password check: is this password in known data breaches, and how often? Send only the SHA-1 hash (never the password); just the first 5 characters reach Have I Been Pwned (k-anonymity). Up to 50 hashes per call.

agents.citiviewgroup.com Security 3 calls / 30d checked 2026-10-28
0.002 USDC per call per call

Ethereum Network Info x402 REST usage

Network Status: Ethereum mainnet chain data -- block height, gas, fees.

api.arysphere.com Crypto & Payments 3 calls / 30d checked 2026-10-25
0.002 USDC per call per call

Grokzilla x402 Micro Pay x402 REST usage

Resolve ENS (.eth) on Ethereum and Basenames (.base.eth) on Base, forward or reverse. Returns address, name, source, forward_verified, optional avatar.

grokzilla.shop Crypto & Payments 2 calls / 30d checked 2026-11-09
0.003 USDC per call per call

gapfill x402 REST usage

Balances of a Base address: ETH and 22 major Base tokens (USDC, WETH, cbBTC, cbETH, DAI, AERO, DEGEN and more), plus up to 20 token addresses passed, read live in one batch, with USD prices from Chainlink feeds on Base o...

jotowl.com Crypto & Payments 1 calls / 30d checked 2026-10-27
0.005 USDC per call per call

Estimate gas x402 REST usage

Use when an agent is about to sign a transaction and must know whether it will fail and what it will cost: the gas this exact call needs, the current gas price, the cost in ether, and wouldRevert, which says the transact...

flat-rate-llm.kikoribera03.workers.dev Other services 1 calls / 30d checked 2026-11-09
0.005 USDC per call per call

EVM gas price x402 REST usage

Use when an agent is about to send a transaction and needs to know what it costs right now: the chain's current gas price in wei and gwei plus the cost of a plain transfer in ether. It is the price now, not a forecast. D...

flat-rate-llm.kikoribera03.workers.dev Other services 1 calls / 30d checked 2026-11-09
0.005 USDC per call per call

onchain-gas x402 REST usage

EVM gas oracle for any major chain - Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche: next-block baseFee plus slow, med and fast priority-fee tiers (maxFeePerGas and maxPriorityFeePerGas), read live from chai...

api.agentstools.dev Data & Finance 1 calls / 30d checked 2026-11-06
0.005 USDC per call per call

Gas x402 REST usage

Current gas conditions on Base, read live from a public node: gas price, base fee of the latest block, suggested priority fee, latest block number and timestamp. No parameters. No third-party API, no cache.

oraclepost.higgsfield.app Data & Finance 5 calls / 30d checked 2026-11-09
0.001 USDC per call per call

ApiToll Multi-Chain EVM Gas x402 REST usage

Multi-chain EVM gas price oracle for AI agents — 17 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche…). One x402 call returns slow/standard/fast EIP-1559 tiers as DROP-IN maxFeePerGas + maxPriorityFeeP...

evm-gas.apitoll.cloud Crypto & Payments 5 calls / 30d checked 2026-11-09
0.001 USDC per call per call

Gas Estimate x402 REST usage

Estimate the gas a transaction will use (eth_estimateGas) and its cost at the current gas price, with a 20% buffer; fails clearly when the call would revert. Use before signing.

bess-x402.onrender.com Other services 2 calls / 30d checked 2026-11-09
0.002 USDC per call per call

EVM Network Info x402 REST usage

Live state of an EVM network: chain ID, latest block number and age, gas price, base and priority fee, block gas use and tx count. Use as a health check before sending transactions.

bess-x402.onrender.com Other services 2 calls / 30d checked 2026-11-09
0.002 USDC per call per call

VerifyOracle x402 REST usage

Live Base Mainnet (chainId 8453) gas price and EIP-1559 baseFeePerGas directly from Base public RPC.

penger-oracle.run402.com Other services 4 calls / 30d checked 2026-11-09
0.001 USDC per call per call

Forest Web x402 REST usage

Convert one bounded fiat amount using the latest successfully fetched European Central Bank daily foreign-exchange reference table. Forest returns the ECB observation date and deterministic cross-rates through EUR. Fresh...

http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run Crypto & Payments 4 calls / 30d checked 2026-11-09
0.001 USDC per call per call

Base Gas x402 REST usage

Current Base gas price, base fee, and priority-fee tiers, plus what a plain 21,000-gas transfer actually costs in ETH and USD -- one batched RPC call and one DeFiLlama price lookup. $0.003/call.

www.x402financialdata.com Data & Finance 1 calls / 30d checked 2026-11-09
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 2026-11-09
0.003 USDC per call per call

base-chain-gas-oracle x402 REST usage

Current Base network gas price, read live from a public Base RPC node (eth_gasPrice) and returned in both wei and gwei with the snapshot block it was read at.

market.561.group Crypto & Payments 3 calls / 30d checked 2026-11-09
0.001 USDC per call per call

Tanod chainpeek x402 REST usage

UTC time and latest Base block. Use when you need a clock.

tanod.dev Crypto & Payments 3 calls / 30d checked 2026-11-09
0.001 USDC per call per call

QuickBuild x402 REST usage

Drop-in OpenAI Embeddings endpoint: POST {input: string | string[], model, encoding_format: float|base64, dimensions} and get {object: "list", data: [{embedding, index}], model, usage}. Models (Cloudflare Workers AI): bg...

quickbuild.quynguyenbac.workers.dev Databases & Storage 3 calls / 30d checked 2026-11-09
0.001 USDC per call per call

P0 Agent Economy Index x402 REST usage

Use when an agent needs x402 market totals. Returns market size: sellers listed by source and evidence (how many P0 has read itself), plus 30-day market totals from x402stats (CC BY 4.0), with attribution and a receipt

x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev Crypto & Payments 3 calls / 30d checked 2026-11-09
0.001 USDC per call per call

Mint Intel Pro x402 REST usage

One answer with every tip topic (Solana slot/height, Solana priority-fee percentiles, on-chain SOL/USD, Base gas and Ethereum gas), each with its seq, observedAt and age. Served from the shared hub: each topic refreshes...

premium.35-171-220-195.sslip.io Crypto & Payments 1 calls / 30d checked 2026-11-09
0.002 USDC per call per call

Current gas x402 REST usage

Live gas conditions for an EVM chain: current gas price, the latest block's base fee (EIP-1559) and the suggested max priority fee — all in both wei and gwei. Ground truth an agent can't compute. Reads live on-chain data...

chain.openverbs.com Business & Growth 1 calls / 30d checked 2026-11-06
0.002 USDC per call per call

Gas Price x402 REST usage

Current gas conditions on Base. POST {} and receive the legacy gas price and the EIP-1559 base fee of the latest block, in wei and gwei. Useful for agents deciding whether to transact now or wait.

x402-echo-service.onrender.com Data & Finance 2 calls / 30d checked 2026-11-09
0.001 USDC per call per call

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