MARKET MONITOR / CATALOGUE Services 122,549 MCP listed 40,194 x402 82,420 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-27 · 3 sources
Task

Security

587 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.

Token Risk Check x402 REST usage

Use when an agent asks "is this Base token safe?" before buying, holding or listing it. One scam/rug check read live from Base RPC + GoPlus: honeypot, buy/sell tax, hidden or reclaimable owner, pausable transfers, blackl...

402.com.tr Data & Finance 8 calls / 30d checked 2026-10-27
0.03 USDC per call per call

HTTP Security Headers Check x402 REST usage

Audit a URL's HTTP security headers over a single body-free (HEAD) request. Grades Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy, flag...

headers.use.x402atlas.com Security 24 calls / 30d checked 2026-10-27
0.01 USDC per call per call

x402 Seller Check x402 REST usage

x402 proves payment, not trust: an agent handed a URL pays blind, and the payee may be a real service or a burner that takes the USDC and vanishes. Give a url and/or a payTo wallet and get GO/WARN/STOP: is the URL a well...

402.com.tr Crypto & Payments 5 calls / 30d checked 2026-10-27
0.04 USDC per call per call

Know Your Agent (KYA) x402 REST usage

x402 proves payment; this answers whether the wallet should be recognised. Resolves a wallet's onchain identity — Coinbase verification (a KYC'd attestation), Basename, and an ERC-8004 registry entry when configured — an...

402.com.tr Crypto & Payments 5 calls / 30d checked 2026-10-27
0.04 USDC per call per call

CVE Vulnerability Lookup x402 REST usage

Look up a vulnerability by CVE or GHSA id (NVD: description, CVSS score and vector, CWE, CISA known-exploited flag; OSV: affected packages and fixed versions) or check a package version for known vulnerabilities via OSV....

agentsvc.io Security 18 calls / 30d checked 2026-10-27
0.009 USDC per call per call

Wallet NFT Holdings x402 REST usage

Lists the NFT collections a Base wallet holds — name, count and floor value — spam-filtered, via Covalent. For agents profiling a wallet's NFT exposure.

402.com.tr Crypto & Payments 8 calls / 30d checked 2026-10-27
0.02 USDC per call per call

Whale Flow x402 REST usage

Flow, not snapshot: the largest transfers of a Base token in the last 24h, classified by whether whales are sending INTO DEX pools (sell pressure) or pulling OUT (accumulation) — a net sell-pressure read that decays in h...

402.com.tr Data & Finance 4 calls / 30d checked 2026-10-27
0.04 USDC per call per call

Base Withdrawal Finalizer x402 REST usage

🆕 Beryl (2026-06-25) cut the single-proof withdrawal window from 7 days to 5, with a dual-proof fast path at ~1 day. Given a Base withdrawal-initiation tx, this decodes the L2ToL1MessagePasser event (the withdrawalHash,...

402.com.tr Crypto & Payments 4 calls / 30d checked 2026-10-27
0.04 USDC per call per call

JWT Decoder x402 REST usage

JWT decoder: decode a JSON Web Token without verifying it: returns the header, the claims, the signature length and algorithm, and a computed view of the time claims — whether exp has passed, whether nbf is in the future...

api.duoleads.com Dev & Code 3 calls / 30d checked 2026-10-27
0.05 USDC per call per call

Unicode Normalization x402 REST usage

Unicode normalization and confusables check: apply NFC, NFD, NFKC or NFKD, report which forms a string is already in, list the scripts present (all Unicode scripts), and flag confusable and homoglyph characters — Cyrilli...

api.duoleads.com Dev & Code 3 calls / 30d checked 2026-10-27
0.05 USDC per call per call

Wallet Age & Activity x402 REST usage

Wallet age in days, first & last activity timestamps, and outgoing transaction count for any Base address — read straight from the Base archive, not a 30-day feed, so it dates wallets of any age. Counts and last-activity...

402.com.tr Crypto & Payments 5 calls / 30d checked 2026-10-27
0.03 USDC per call per call

WalletRisk x402 REST usage

EVM wallet risk scoring — transaction patterns, exposure analysis, suspicious activity

wallet.lonestaroracle.xyz Crypto & Payments 1 calls / 30d checked 2026-10-27
0.15 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 3 calls / 30d checked 2026-10-27
0.05 USDC per call per call

ProbeKit x402 REST usage

Run the mail configuration check (MX, SPF, DMARC) on up to 20 domains in one request. Results keep the input order, and items that fail for a technical reason come with a token for a free retry. Use when an agent must au...

api.probekit.dev Security 3 calls / 30d checked 2026-10-27
0.048 USDC per call per call

blockint.ai x402 REST usage

Screen one address (EVM, Bitcoin, Tron, Solana, Polkadot, Cosmos or WAX as wax:account) against the OFAC SDN list, Tether/Circle freezes (EVM, Tron, Solana) and public C3 reports. Returns action BLOCK (OFAC SDN match), R...

blockint.ai Crypto & Payments 14 calls / 30d checked 2026-10-27
0.01 USDC per call per call

x402 security audit x402 REST usage

Grade any x402 seller's payment-security posture from the outside - a read-only black-box check mapped to the 'Five Attacks on x402' failure modes. Probes the URL's 402 challenge (never pays) and scores TLS transport, ga...

agent402.tools Crypto & Payments 13 calls / 30d checked 2026-10-27
0.01 USDC per call per call

SpendTheBits x402 REST usage

Official $0.01 proof-of-life resource for SpendTheBits x402: returns a JSON heartbeat. Pay it to verify your agent's x402 client end to end.

x402.spendthebits.com Crypto & Payments 13 calls / 30d checked 2026-10-27
0.01 USDC per call per call

token-risk x402 REST usage

Deterministic on-chain structural risk report for an ERC-20 token on Base. Keyless x402-native payment — no signup, no API key. Reports STRUCTURAL risk, not reputation: centralized-control powers (mint/pause/blacklist) a...

token-risk.com Crypto & Payments 13 calls / 30d checked 2026-10-27
0.01 USDC per call per call

Watchlist Diff x402 REST usage

Retention in one call: pass up to 10 tokens to snapshot them and get a watchId; call again with that watchId to get only the DELTAS since last time — liquidity ±%, price ±%, became-honeypot, sell-tax spiked, liquidity pu...

402.com.tr Data & Finance 2 calls / 30d checked 2026-10-27
0.06 USDC per call per call

Wallet Activity x402 REST usage

The latest transactions for a Base address — hash, time, from/to, ETH value, success — via Covalent. For agents tracking what a wallet is doing.

402.com.tr Crypto & Payments 4 calls / 30d checked 2026-10-27
0.03 USDC per call per call

Token Transfer History x402 REST checked

Recent transfers of a specific token for a wallet — direction (in/out), amount, USD value, counterparty, tx hash and time, via Covalent. For agents tracking token flows and cost basis.

402.com.tr Data & Finance 4 calls / 30d checked 2026-10-24
0.03 USDC per call per call checked

Holder Forensics x402 REST usage

Goes past 'top-10 = X%' to classify the holder base: how much the creator & owner still hold, which top holders are infrastructure (LP/CEX/bridge — benign) vs unlabelled wallets (the concentration that can actually dump...

402.com.tr Crypto & Payments 4 calls / 30d checked 2026-10-27
0.03 USDC per call per call

Token Price x402 REST usage

Pass a Base token contract address and get the current USD price, 24h change, liquidity, and volume from DexScreener (highest-liquidity pair auto-selected). No API key required.

402.com.tr Data & Finance 6 calls / 30d checked 2026-10-27
0.02 USDC per call per call

AI agent action preflight x402 REST usage

Deterministic preflight check for a proposed AI agent action - a tool call, payment, fetch, or write - before it executes. Evaluates up to four independent checks (prompt-injection scan on action text/untrusted text, URL...

agent402.tools Geo & Maps 12 calls / 30d checked 2026-10-27
0.01 USDC per call per call

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