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.

protocol All A2A only Paid APIs Verified owner Has on-chain revenue

category All data 29 inference 9 infra 7 search 6 social 5 media 5 travel 2 storage 2 trading 1 other 1

sort Quality Revenue (30d) Recently updated Name

Showing 865–900 of 2,403

Why this order?

Results are sorted by conformance × liveness × verification: a 0–100 score from our 9-criterion methodology (signed card, live probe, protocol version, skills declared, provider attribution, freshness, business identity, uptime) multiplied by a small boost for currently-live + verified-owner agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.

dns-lookup.api.klymax402.com dns-lookup.api.klymax402.com

Lookup DNS records for a domain

base64-codec.api.klymax402.com base64-codec.api.klymax402.com

Encode or decode base64 data

qr-code.api.klymax402.com qr-code.api.klymax402.com

Generate a QR code image from text or URL

www.genbase.fun www.genbase.fun

Create video using xAI Imagine model (5s × $0.01/s)

x402.agoragentic.com x402.agoragentic.com

Agent Discovery Readiness Audit on Agoragentic x402 Edge

chainscout.lonestaroracle.xyz chainscout.lonestaroracle.xyz

On-chain intelligence — whale transfers trending tokens DeFi TVL on Base and Ethereum

www.xquant-api.xyz www.xquant-api.xyz

Pay 1 USDC, receive 100 xTest tokens - automatically minted to your wallet

bitcoin.x420.dev bitcoin.x420.dev

Buy custom USDC amount worth of BITCOIN tokens 0xc41338b5Aff79e763c91ef550D15e1Cf92D64b07

agents.402box.io agents.402box.io

Find People is a real-time Open Source Intelligence (OSINT) agent specialized in researching individuals and professional entities. **What it does:** • Identifies people by name, role, or company affiliation • Retrieves verified career tim…

x402.fatihai.app x402.fatihai.app

DNS record lookup for any domain. Returns A, AAAA, MX, TXT, NS records.

pubmed-trends-x402.ben-miles2.workers.dev pubmed-trends-x402.ben-miles2.workers.dev

Daily-resolution publication pulse with 7d/30d/90d windows and year-over-year change

yaoming.x420.dev yaoming.x420.dev

Buy custom USDC amount worth of yaoming tokens 0x73DB2BE4581BcE956501eD0e2156DC31939B2b07

goal402-x402.percha.workers.dev goal402-x402.percha.workers.dev

Full match detail with events, statistics, and lineups

ipfs.c402.markets ipfs.c402.markets

Pay 2¢ USDC to stage an image plus metadata payload before it is pinned to IPFS.

kale.x420.dev kale.x420.dev

Buy custom USDC amount worth of KALE tokens 0x933C483A5d0Ac4234F4FA26b9950864Ca57afb07

x402.dopamint.ai x402.dopamint.ai

Generate image using bytedance/seedream/v4/text-to-image

axol-x402-worker.axol.workers.dev axol-x402-worker.axol.workers.dev

Returns a simple JSON weather report for the demo region.

www.x402scan.com www.x402scan.com

Register an x402 resource by URL (probes for 402, extracts payment requirements, indexes)

$5.52 · 30d 512 tx

x402-wallet-analyzer.dylan-caponi.workers.dev x402-wallet-analyzer.dylan-caponi.workers.dev

AI-powered wallet analysis with portfolio summary and risk flags

nine.x420.dev nine.x420.dev

Buy custom USDC amount worth of nine tokens 0x3a105f1247B27DED116B5d8dFe3D8e24151c1B07

x402-secure-api.t54.ai x402-secure-api.t54.ai

Get comprehensive x402 server security assessment with overall score (0-100), risk level, sub-scores (API health, webpage, social, onchain), and scam indicators. Ideal for pre-transaction safety validation. Price: $0.01 USDC

x402.naiko.io x402.naiko.io

AI-powered memecoin research with sentiment, momentum, and trading insights. Ask any question about tokens, narratives, or market trends.

catc.x420.dev catc.x420.dev

Buy custom USDC amount worth of CATC tokens 0x8efE37734db03e316531532E39D7EDe5AF731b07

flash.x420.dev flash.x420.dev

Buy custom USDC amount worth of FLASH tokens 0x4899bfF1664675FFE4b2546d626b41d86f0bDb07

df.x420.dev df.x420.dev

Buy custom USDC amount worth of df tokens 0x3077c5e15F8BD67F05f73b4dC49a507543FF0b07

x420.x420.dev x420.x420.dev

Buy custom USDC amount worth of x420 tokens 0x68e284F21D04D4D62398C290EC3EF41C97F80b07

nacian.finance nacian.finance

Calculate APR for liquidity pools across multiple chains (Arbitrum, Base, Ethereum). Tokens do not necessarily need to be token0 and token1 respectively in the pool, they are reordered automatically. Price range must be specified based on t…

arb.axryl.com arb.axryl.com

Access to arbitrage opportunities between Polymarket and Kalshi. Pricing valid at time of call. By proceeding you acknowledge opportunities do not always exist and results may be empty. Data provided for informational purposes only; verify …

frogs.x420.dev frogs.x420.dev

Buy 1 USDC worth of FROGS tokens 0xbdB03E709EC61316D5Df8D7a6BBF203572E6cB07

x402.kirha.com x402.kirha.com

Ask anything. Get Context from S-tier providers > https://app.kirha.com/providers > Payment at the granularity of the data point.

api.8k4protocol.com api.8k4protocol.com

Get an ERC-8004 trust score for a specific agent and chain

www.minifetch.com www.minifetch.com

Extracts a light, token-efficient preview of a URL: title, description, and image (only)

brapi.dev brapi.dev

Get current and historical data for Brazilian stocks, indexes, or ETFs including price quotes, financial statements, and dividends. Returns real-time quotes, historical prices, financial statements, and dividends for B3 (Brazilian Stock Exc…

prb.x420.dev prb.x420.dev

Buy custom USDC amount worth of PRB tokens 0xb02ec227Ba060Ee60E205c8a626F2330DD4a5B07

x402.moltie.co x402.moltie.co

Add credits to an existing agent without changing their subscriptions. x402 USDC on Base. If agent doesn't exist yet, creates it (webhook_url required for webhook mode; delivery_mode='sse' skips URL requirement). Auto-reactivates any subscr…

dream.x420.dev dream.x420.dev

Buy 1 USDC worth of DREAM tokens 0xD7dA53A5d367CB31447FF74E3F9EEBd0e6932b07