MARKET MONITOR / CATALOGUE Services 133,908 MCP listed 40,872 x402 93,117 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-31 · 3 sources
Task

Mempool

13 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.

chainquery Bitcoin RPC x402 REST usage

chainquery Bitcoin RPC: pay-per-call Bitcoin Core over x402, no API key. Currently banned peer IPs and subnets from chainquery's independent full node. Bitcoin Core listbanned.

x402.chainquery.com Databases & Storage 8 calls / 30d checked 2026-10-31
0.005 USDC per call per call

Bitcoin Fee Estimates x402 REST usage

Bitcoin network fee rates in sat/vB for next block, 30 minutes, 1 hour and economy, plus mempool size, block height and the cost of a typical payment. Use right before sending BTC.

bess-x402.onrender.com Crypto & Payments 12 calls / 30d checked 2026-10-31
0.003 USDC per call per call

FastPath Bitcoin API x402 REST usage

Pay once to receive a short-lived WebSocket ticket for the live Bitcoin mempool stream.

api.nativebtc.org Crypto & Payments 7 calls / 30d checked 2026-10-31
0.005 USDC per call per call

base-pending-block x402 REST usage

The current pending Base mainnet block (mempool, not yet mined) - unconfirmed transactions via eth_getBlockByNumber('pending').

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

eu-verify x402 REST usage

Latest-release metadata from the official PyPI JSON API (live): version, license, requires_python compatibility, requires_dist dependency specs (max 100), yanked flag, last upload time and project URLs. Query: ?pkg=reque...

data.greeneris.io Databases & Storage 11 calls / 30d checked 2026-10-31
0.002 USDC per call per call

Bitcoin Fee Estimate Mempool x402 REST usage

Bitcoin fees right now: recommended sat/vB for the next block, 30 minutes, 1 hour and economy, what a typical payment costs in USD, mempool size, tip height, next difficulty adjustment and the BTC price in USD and EUR. C...

agentsvc.io Crypto & Payments 6 calls / 30d checked 2026-10-31
0.002 USDC per call per call

Pending block x402 REST usage

The chain's pending block: how many transactions are queued for the next block, the base fee they will pay, and the gas already used against the limit. This is the node's own view of what is about to be mined, so it answ...

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

btc-mempool x402 REST usage

Live Bitcoin mempool snapshot: unconfirmed transaction count, total virtual size and total fees, a fee-rate histogram broken into buckets, and an estimated block backlog. Informational, not advice.

api.agentstools.dev Infrastructure 2 calls / 30d checked 2026-10-31
0.005 USDC per call per call

Bitcoin Transaction Lookup x402 REST usage

Bitcoin transaction by txid: confirmed or in the mempool, confirmations, block, fee in sats and sat/vB, RBF signal, inputs and outputs with addresses and amounts, USD value. Use to confirm a payment arrived or to check w...

agentsvc.io Crypto & Payments 5 calls / 30d checked 2026-10-31
0.002 USDC per call per call

Bitcoin fee rates x402 REST usage

Bitcoin fee rates. Current Bitcoin network fee rates in sat/vB for next-block, half-hour, one-hour and economy confirmation, the estimated cost in sats of a typical payment, mempool size and total pending fees, and the l...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 5 calls / 30d checked 2026-10-31
0.002 USDC per call per call

eu-verify x402 REST usage

French address geocoding on the official Base Adresse Nationale (api-adresse.data.gouv.fr, Etalab/IGN, continuously updated). Forward: ?q=8 boulevard du port amiens with optional &type=housenumber|street|locality|municip...

x402-datashop-production.up.railway.app Geo & Maps 9 calls / 30d checked 2026-10-31
0.001 USDC per call per call

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 2026-10-31
0.003 USDC per call per call

Bitcoin Market Pulse x402 REST

Live Bitcoin market pulse from this node: fee rates for 1 block to 1 day, mempool size, the last 24 h of whale transactions (>= US$100k) and laundering-pattern (AML) cases, implied BTC/USD. JSON.

diamond.btc-intel.workers.dev Other services checked 2026-10-29
0.02 USDC per call per call

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