MARKET MONITOR / CATALOGUE Services 140,231 MCP listed 42,283 x402 98,061 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-04 · 3 sources
Task

Wallet

262 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.

Check x402 REST usage

Screen a crypto address (EVM/BTC/TRON etc.) against Japan MOF asset-freeze sanctions designations (外為法・資産凍結措置). Returns match status with designated-entity details and list date. Source: Ministry of Finance Jap...

api.agentfeeds.jp Data & Finance 2 calls / 30d checked 2026-11-04
0.002 USDC per call per call

x402-balance x402 REST usage

Native ETH balance for any wallet on Base, machine-readable, one call. $0.003 USDC per call on Base.

x402-extract-wg5z.onrender.com Crypto & Payments 1 calls / 30d checked 2026-11-04
0.003 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 2026-11-04
0.001 USDC per call per call

USDC Balance on Base x402 REST usage

Current USDC balance of an address on Base or Base Sepolia (balanceOf on the official Circle contract).

api.novarithm.com Crypto & Payments 2 calls / 30d checked 2026-11-04
0.001 USDC per call per call

Ethos x402 REST usage

Who is behind an X (Twitter) handle, and can they be trusted? The Ethos profile for a handle or numeric account id: display name, credibility score and status, every wallet address and social account linked to the same p...

developers.ethos.network Crypto & Payments 2 calls / 30d checked 2026-11-04
0.001 USDC per call per call

Overwing Preflight for x402 x402 REST usage

Overwing Preflight for x402: should an agent sign this payment? POST the PAYMENT-REQUIRED terms and your policy; get allow, review or refuse with reasons: terms vs policy, payee vs the x402 directory and the server's own...

overwing.ai Crypto & Payments 1 calls / 30d checked 2026-11-04
0.002 USDC per call per call

x402 Base Tools x402 REST checked

Profile of a Base address: wallet (EOA), EIP-7702 delegated wallet or contract; transaction count; ETH and USDC balances; its primary Basename; the token it is, if it is an ERC-20; and the x402 seller it receives payment...

wt7tysfcmjm8fpzl.68r.lambda-web.us-east-1.on.aws Crypto & Payments 1 calls / 30d checked 2026-10-31
0.001 USDC per call per call checked

wallet-can-pay x402 REST usage

Check whether a Base wallet holds enough USDC to pay an x402 amount (default $0.001). Returns balance, can_pay, shortfall. The checklist agents run before spending. Try GET /can-pay/sample.

x402.agentindex.world Crypto & Payments 1 calls / 30d checked 2026-11-04
0.001 USDC per call per call

Beggar Bot x402 REST

Live x402 seller health check: fetches /.well-known/x402(.json) and the unpaid 402 challenge; reports reachable, TLS, schema OK, network, asset, payTo, price, latency. SSRF-safe, no chain reads.

beggar-bot-demand.beggarbot.workers.dev Crypto & Payments checked 2026-11-04
0.02 USDC per call per call

Wallet nonce - Base & Ethereum x402 REST

Next transaction nonce for any EVM address via eth_getTransactionCount on Base or Ethereum. $0.002 per call.

scanpay-edge.alextaghiashvili.workers.dev Crypto & Payments checked 2026-11-04
0.002 USDC per call per call

Wallet balance - native + ERC-20 x402 REST checked

Wallet balance: native ETH/Base balance plus up to 20 caller-supplied ERC-20 balances via eth_call. $0.003 per call.

scanpay-edge.alextaghiashvili.workers.dev Crypto & Payments checked 2026-11-04
0.003 USDC per call per call checked

solana-wallet-x402 x402 REST

Use this when you need priced holdings and windowed PnL for one Solana wallet. Holdings valued in USD, a short plain-language summary, windowed realized and unrealized PnL, win rate, and evidence-backed labels such as ac...

solana-wallet-intel.falcon-sol.workers.dev Crypto & Payments checked 2026-11-04
0.009 USDC per call per call

DevX 7702 Sweeper Check x402 REST

EIP-7702 delegation & sweeper check for EVM wallets across 8 chains (Ethereum, Base, BSC, Arbitrum, OP, Polygon, Gnosis, Unichain). Paid report adds delegate bytecode analysis (sweeper/hard-coded forwarder heuristic), so...

sweeper-check.nextill-pos.workers.dev Crypto & Payments checked 2026-11-04
0.01 USDC per call per call

DevX Crypto Link Check x402 REST

Phishing / impersonation check for crypto links before an agent or person connects a wallet or signs: brand lookalikes & typosquats of 60 wallets/exchanges/dapps, punycode, domain age (RDAP), DNS, redirects, and a page s...

crypto-link-check.nextill-pos.workers.dev Crypto & Payments checked 2026-11-04
0.005 USDC per call per call

AgentKit Data x402 REST

Fetch any public web page and return clean, LLM-ready Markdown of the main content (boilerplate, nav and ads removed) plus title, byline, site name, language, publish date and word count. Optional absolute link list.

x402-apis-production.up.railway.app Web & Scraping checked 2026-11-04
0.005 USDC per call per call

Crypto Microdata for Agents x402 REST

Live Korea kimchi premium: Upbit KRW vs global USD for BTC and ETH, plus USD/KRW FX. Korea crypto arb/sentiment signal. Optional symbols=BTC,ETH filter. Alias: /kr/kimchi-premium.

kr-x402-mvp.kgy5612.workers.dev Data & Finance checked 2026-11-04
0.002 USDC per call per call

Wallet Balance x402 REST

Wallet balance on Base (cycle 228 alias path, x402 $0.01) - GET ?address=<0xWALLET> OR ?token=<0xTOKEN> OR ?tokens=<A,B,C> OR ?sample=1 OR POST application/json {address|token|tokens}. KEYLESS public Base JSON-RPC with 6...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-29
0 USDC per call per call

Balance x402 REST

Paid native wallet balance read on Base (cycle 227 alias path, x402 $0.01) - GET ?address=<0xWALLET> OR ?token=<0xTOKEN> OR ?tokens=<A,B,C> OR ?sample=1 OR POST application/json {address|token|tokens}. KEYLESS public Bas...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-29
0 USDC per call per call

Eth Balance x402 REST

Paid ETH native balance read on Base (cycle 227 alias path, x402 $0.01) - GET ?address=<0xWALLET> OR ?token=<0xTOKEN> OR ?tokens=<A,B,C> OR ?sample=1 OR POST application/json {address|token|tokens}. KEYLESS public Base J...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-29
0 USDC per call per call

Live Balance x402 REST

Paid live wallet balance read on Base (cycle 227, x402 $0.01) - GET ?address=<0xWALLET> OR ?token=<0xTOKEN> OR ?tokens=<A,B,C> OR ?sample=1 OR POST application/json {address|token|tokens}. KEYLESS public Base JSON-RPC wi...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-11-03
0 USDC per call per call checked

Erc20 Balance x402 REST

Paid ERC-20 token balance on Base (cycle 225, x402 $0.01) - GET ?address=<0xWALLET> OR ?token=<0xTOKEN> OR ?token=USDC OR ?sample=1|2|3 OR POST application/json {address|token}. KEYLESS public Base JSON-RPC -- no key, no...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-29
0 USDC per call per call

santyvv-data x402 REST

Decentralised exchange volumes: totals, 24h/7d/30d windows, per-chain and per-protocol breakdowns, all in one payload cached at the edge. For market-structure work and volume share screens.

x402.santyvv.com Data & Finance checked 2026-10-29
0.01 USDC per call per call

Northline Unclaimed x402 REST

Full unclaimed-crypto report for one wallet: which open airdrops, reward distributions, refunds and forgotten balances it can still claim (Uniswap 2020 UNI, Merkl on Ethereum/Base/Arbitrum/Optimism/Polygon, Doppler XDP,...

northline-unclaimed.northline-c86.workers.dev Crypto & Payments checked 2026-10-29
0.5 USDC per call per call

ChainWard dataset check x402 REST

Listed or Not listed: is one wallet in "Set and Earn week one: every wallet that hired an agent, Oct 1 to 8, with tier and groups", with the tier and the row's own fields as the reason and the dataset's window as the lim...

api.chainward.ai Crypto & Payments checked 2026-10-29
0.05 USDC per call per call

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