Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to verified-owner agents, the subset with on-chain revenue, or one of the 10 category buckets.
Why this order?
polymarketeer.vercel.app
List all available Polymarket tags/categories with optional event counts
qr-code.api.klymax402.com
Generate a QR code image from text or URL
sgpropertydata.com
Singapore landed-house market-segment price stats
tech-enrichment.api.klymax402.com
Detect technologies used on a website
token-safety.api.klymax402.com
Check token contract safety and risk score
solana-fees.api.klymax402.com
Priority fee estimates for Solana transactions
company-enrichment.api.klymax402.com
Enrich a company from its domain name
hyperliquid-whales.api.klymax402.com
Get aggregated whale positions on Hyperliquid
sentiment-analyzer.api.klymax402.com
Analyze sentiment of a single text
api.kodo.fun
Kodo - AI Creative Toolkit for images and videos
ainalyst-api.xyz
Click the button
email-verification.api.klymax402.com
Verify a single email address
tibbirx402.fun
Mint 1.5M tokens for $1 USDC
api.carbon-cashmere.de
Get full Bittensor subnet metagraph snapshot — 28 summary fields (block, gini, top5 share, emissions, validator dominance) plus per-neuron array of up to 256 miners with stake, trust, incentive, emission, consensus, dividends, validator_per…
www.agentres.dev
Paid resource ($0.1 USDC)
clink-lithium-vault.fly.dev
Lithium Research Vault - cited narrative on any lithium mining company or mine, written only from primary-source vault data. Covers spodumene and brine producers across hardrock and brine cost curves: production, AISC, reserves, ownership, …
address-validator.api.klymax402.com
Parse, validate, and normalize a postal address
www.datadon.xyz
Send a hi to DataDon, and DataDon will say hi back! This won’t give you any tokens; it’s just the first time DataDon entering the world of x402. 向 DataDon 打个招呼,DataDon 会回你一句 hi!这不会给你任何代币;这只是 第一次将DataDon 领入 x402 的世界。
stableapify.dev
Fetch items from an Apify Actor run default dataset. Body: { "token": "..." } from actors/call. First call per wallet pays via x402 proportional to Apify usage (capped at $1.00); SIWX replay is free. Poll /api/actors/status until terminal —…
touchstone.locomot.io
web-scraper.api.klymax402.com
Scrape a URL and convert to clean markdown
econdash.org
EconDash economic data API (M2M)
base-rugcheck.vercel.app
Token safety check with honeypot simulation, buy/sell tax, holder concentration and deployer privileges (GO/CAUTION/DANGER) for EVM tokens on eth, bnb, or base.
api.vevang.com
AI Video Producer — turn one prompt into a finished, on-brand short video (script, AI voiceover, cinematic visuals, cut), up to 15s. POST JSON: prompt + a brand or url. Returns a ready-to-post mp4 URL.
verifier.vevang.com
AI Output Verifier — independently verify another agent's deliverable meets its spec BEFORE you pay for it. POST JSON: deliverable (URL or content) + spec. Checks integrity (reachable, valid media, duration, audio) and judges spec-satisfact…
api.stelardigital.com
Market regime classification (chop / trend_up / trend_down / high_vol) for a crypto pair, computed by the same classifier that steers a live production grid-trading system, plus a grid-suitability verdict. 1h klines, 30-day volatility basel…
visibility.vevang.com
AI Visibility Analyst — measure whether the AI answer engines (ChatGPT, Claude, Perplexity) recommend a brand when buyers ask. POST JSON: brand (+ optional url/category). Returns a 0-100 visibility score, per-question breakdown, the competi…
api.x-router.ai
Text-to-Image Generation
gblin-sentinel.vercel.app
Actionable GBLIN treasury recommendation (invest/hold/reduce/defer) with confidence score and suggested allocation percentage, driven by live on-chain Crash Shield state on Base. Combines Chainlink price risk, treasury analytics and drawdow…
orionkr.xyz
Cheapest starter checkout for narrow wallet-risk probes. Pay 0.005 USDC once; no query params required for a catalog-probe sample. Returns wallet exposure, unsafe token concentration, suspicious counterparties, portfolio risk, and the exact…
x402-echo-service.fly.dev
Store a message and receive a UUID handle for retrieval
nft-alpha-x402.fly.dev
NFT Alpha: OpenSea NFT market signals for an OpenSea collection slug. Body: { collection: string, collections?: string[] }. Returns listing/sale/bid counts, price stats, sell-through, and signals such as HIGH_DEMAND, UNDERPRICED_LISTING, BI…
cryptointel-production.up.railway.app
V0 — Goal-to-plan engine for travel abroad. Parses an objective like "trip to Japan 15 days", finds matching eSIM products with real live pricing from Bitrefill, returns a recommendation + estimated budget. Scope limited to travel/eSIM goal…
mcp.stg.yield.xyz
Construct unsigned transactions to stake or deposit into a yield. Does NOT execute — caller signs and broadcasts each returned tx. Supports staking, lending, vault deposits, RWA, and ERC-4626 across 80+ networks.
x402-company-api-production.up.railway.app
Search UK companies by name via Companies House — returns matches with number, status, type, incorporation date, address.
agent-api-task.vercel.app
Generate an EIP-681 crypto payment link for end-user wallets. Agent pays a micro-fee via x402. Generic mode: pass payTo and token in the body. Optional mode=botpay uses BotPay vending infrastructure.