MARKET MONITOR / CATALOGUE Services 133,141 MCP listed 40,873 x402 92,350 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-31 · 3 sources
Task

Preflight

64 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.

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

HumanMirror x402 REST usage

Independent pre-execution control for consequential autonomous-agent actions. Evaluate a proposed payment, tool call, send, write, publish operation, API action, or other external side effect before execution; return the...

humanmirror.fr Crypto & Payments 12 calls / 30d checked 2026-10-31
0.01 USDC per call per call

Minifetch Technical SEO API x402 REST usage

Cheap robots.txt preflight check before you call the Minifetch /extract and /run/seo-page-audit endpoints: returns whether Minifetch may fetch a target URL (allow/deny) plus its crawl-delay. If blocked and the site is no...

minifetch.com Business & Growth 109 calls / 30d checked 2026-10-31
0.001 USDC per call per call

Oblique Markets x402 REST usage

Use when an agent needs base block number. Returns Fetch the current Base mainnet block number from redundant public RPCs and return structured JSON with source and freshness metadata. $0.002.

api.oblique.markets Other services 54 calls / 30d checked 2026-10-31
0.002 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 10 calls / 30d checked 2026-10-31
0.01 USDC per call per call

Check URL Status x402 REST usage

Use to probe a URL for live HTTP status, final URL, redirects, content-type, and whether the response is HTML. Does not return the page body.

api.qocgpiywhm.com Web & Scraping 18 calls / 30d checked 2026-10-31
0.005 USDC per call per call

SpendPreflight x402 REST usage

Spend preflight for AI agents. Send the x402 PaymentRequired body (v1 or v2) you received, or a cart, plus optional rules (per-payment max, hold threshold, daily cap, allowlists, new-domain days, endpoint category price...

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

cloudPulsePoint x402 REST usage

Fetch a URL and report whether it is reachable, the HTTP status code, and the response time in milliseconds. A fast liveness/uptime probe — run it before relying on a site or as a cheap health signal.

x402.cloudpulsepoint.com Infrastructure 8 calls / 30d checked 2026-10-27
0.01 USDC per call per call

nsgoods Preflight (OFAC, trust) x402 REST usage

About to pay an address? One call returns three separately signed checks: can it receive the payment, is it on the OFAC SDN list, and its ERC-8004 trust record. No blended score. $0.015 in USDC on Base. Free preview: GET...

x402.nsgoods.org Crypto & Payments 5 calls / 30d checked 2026-10-31
0.015 USDC per call per call

Hermes Commerce x402 REST usage

Deterministic JSON repair for agent tool outputs, with optional JSON Schema validation. Built for tight agent loops at micropayment prices.

agent.kihustle.tech Crypto & Payments 7 calls / 30d checked 2026-10-31
0.01 USDC per call per call

Apify Actor Preflight x402 REST usage

Vet an Apify actor before you spend on it. Send one actor ID (e.g. apify/instagram-scraper) and get scored JSON in seconds, with evidence and a verdict, from public metadata: pricing, output schema, maintenance, reliabil...

audit-tools.ai Web & Scraping 3 calls / 30d checked 2026-10-31
0.02 USDC per call per call

Tanod agentscan x402 REST usage

agentscan (Tanod) agent-index query: filtered, paginated current-snapshot records (source, category, network, price range, name/url substring) from a daily cross-registry index of x402 endpoints and MCP servers; aggregat...

tanod.dev Crypto & Payments 3 calls / 30d checked 2026-10-31
0.02 USDC per call per call

Saylor Innovations Guide Library x402 REST usage

CUDA, driver and Ollama compatibility - GPU support, model memory fit and proof inference uses the GPU

saylorinnovations.com AI Models & Inference 6 calls / 30d checked 2026-10-31
0.01 USDC per call per call

X402 Doctor x402 REST usage

Full paid x402 diagnostic JSON for a target endpoint.

doctor.promoclube.online Crypto & Payments 5 calls / 30d checked 2026-10-31
0.01 USDC per call per call

Aura Agent Commerce x402 REST usage

Aura deterministic x402 purchase preflight from supplied OpenAPI metadata

aura-revenue.helionixlabs.com Crypto & Payments 5 calls / 30d checked 2026-10-31
0.01 USDC per call per call

Agent Action Safety Quick Gate x402 REST usage

AI agent action safety: one-cent deterministic preflight for every consequential agent command. Returns risk, matched rule ids, and an exact machine-readable escalation call: full DestructGuard evidence for medium risk o...

hermesplant.com Crypto & Payments 4 calls / 30d checked 2026-10-31
0.01 USDC per call per call

deadchannel x402 REST usage

Use before paying an x402 endpoint you have not used before, when you cannot tell a working seller from a trap, a testnet address dressed as mainnet, or a listing whose price no longer matches its challenge. Returns a ve...

deadchannel.vercel.app Crypto & Payments 7 calls / 30d checked 2026-10-31
0.005 USDC per call per call

x-preflight x402 REST usage

X Preflight: read a draft post against X's open-sourced ranking code. Returns what is already settled before you post, whether it enters the pool strangers are drawn from, how long it stays retrievable, which filters del...

kevinhoff.com Geo & Maps 3 calls / 30d checked 2026-10-31
0.01 USDC per call per call

AgentOracle x402 REST usage

AgentOracle: live service-health snapshot — tracked-token count, last ingestion timestamp, ingestion error counter, process uptime, and API version. Use as a cheap heartbeat before issuing larger queries.

aiagentoracle.ai Data & Finance 3 calls / 30d checked 2026-10-31
0.01 USDC per call per call

402-preflight x402 REST usage

x402-preflight: confirm your wallet can transact, and see your balance, in one certified call. Pay $0.01 USDC on Base, get a signed on-chain-anchored receipt. The safe first transaction before you ship real volume.

kenoodl.com Crypto & Payments 3 calls / 30d checked 2026-10-31
0.01 USDC per call per call

Cyre x402 REST usage

Cyre Pay-route Oracle — before your agent pays any external x402 resource, grade payTo + amount/URL + facilitator/offer pin hygiene in one call. Patterns, not verdicts. Agent guide: https://cyre.dev/SKILL.md

cyre.dev Crypto & Payments 14 calls / 30d checked 2026-10-31
0.002 USDC per call per call

x402check x402 REST usage

Check whether any x402 endpoint is live and correctly priced before you pay it: fetches the target URL, decodes its HTTP 402 payment requirements and returns a verdict with the accepted price, network, asset and pay-to a...

api.firstmention.uk Crypto & Payments 2 calls / 30d checked 2026-10-31
0.01 USDC per call per call

x402-preflight x402 REST usage

Preflight and monitoring for x402/HTTP APIs: free structural audit of any x402 402 challenge (accepts[], scheme, network, asset, amount, payTo), plus paid live probe (/check), headers, TLS, uptime history and a public mo...

api.firstmention.uk Crypto & Payments 2 calls / 30d checked 2026-10-31
0.01 USDC per call per call

sqlscan-check x402 REST usage

Safety and performance preflight for a database query BEFORE you run it. Send the query for Postgres, MySQL or SQLite and get a pass, caution or block verdict with per-finding operation, severity, plain-language reason a...

api.agentstools.dev Databases & Storage 1 calls / 30d checked 2026-10-31
0.02 USDC per call per call

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