A2A earnings → wallet ranking, coverage and attribution
Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.
Why this order?
pay.brianbooms.com
Steward — pay-per-call data tools for AI agents. Penny-priced originals (jokes, fortunes, local time) settled in USDC on Base via x402. No accounts, no API keys.
x402orcle.vercel.app
402 is the answer. The Oracle is how you ask.
algo.borisinc.com
Aegis delivery-verified trust check for an x402 service — is it safe to pay?
api.jagent.dev
x402-protected paid API on api.jagent.dev (discovered via UltravioletaDAO facilitator).
amoraw.xyz
Canonicalize a CAIP-2/CAIP-19 or legacy network string and return the recognized chain, native currency, reviewed USDC asset and decimals, supported x402 schemes, supported-versus-recognized status and registry version.
api.seneschal.space
Finds the cheapest flashloan option on the network.
api-dev.agents.skillfulai.io
Paid demo endpoint that grants premium-tier access for $0.01 USDC on Base and returns a welcome message plus payment details.
api.santosautomation.com
Runs audit checks and returns audit results for submitted data or workflows.
www.book-bot.app
Searches a book catalog and returns matching books.
api.21.cash
Provides a payment link requiring an exact USD Coin (USDC v2) payment of 100000 to 0x8c91...95b5 on network eip155:8453 with a 300s timeout.
protocol.origindao.ai
Retrieves OriginDAO's quest board listing of active quests, tasks, rewards, and metadata for paid access on the specified network.
origin-exchange.fly.dev
Fetches Origin Exchange's paid quest board (task listings and rewards); access requires a USDC payment on Base (eip155:8453).
bazaar-gateway.vercel.app
Generates hype-focused insights or signals from the API endpoint.
mcp.cryptoiz.org
Paid gateway for fetching CryptoIZ whale alpha data.
rehqwsypjnjirhuiapqh.supabase.co
Paid API gateway returning CryptoIZ get_alpha_scanner signals for crypto opportunity detection, payable in Solana USDC.
scout-dx.hugen.tokyo
Delivers paid research insights from Scout for on-chain and market analysis.
x402.payai.network
x402-protected paid API on x402.payai.network (discovered via Coinbase facilitator).
weather-api-production-c885.up.railway.app
x402-protected paid API on weather-api-production-c885.up.railway.app (discovered via Coinbase facilitator).
gas-estimator-production-a95a.up.railway.app
x402-protected paid API on gas-estimator-production-a95a.up.railway.app (discovered via Coinbase facilitator).
weather-api-x402-production.up.railway.app
x402-protected paid API on weather-api-x402-production.up.railway.app (discovered via Coinbase facilitator).
prediction-markets-production-3e07.up.railway.app
x402-protected paid API on prediction-markets-production-3e07.up.railway.app (discovered via Coinbase facilitator).
hl-spot-production.up.railway.app
x402-protected paid API on hl-spot-production.up.railway.app (discovered via Coinbase facilitator).
aimorgan.vercel.app
x402-protected paid API on aimorgan.vercel.app (discovered via Coinbase facilitator).
x402-klima-ra-new.vercel.app
x402-protected paid API on x402-klima-ra-new.vercel.app (discovered via Coinbase facilitator).
testmint-git-main-darkhorselabs.vercel.app
x402-protected paid API on testmint-git-main-darkhorselabs.vercel.app (discovered via Coinbase facilitator).
testmint-git-ak-refactor-darkhorselabs.vercel.app
x402-protected paid API on testmint-git-ak-refactor-darkhorselabs.vercel.app (discovered via Coinbase facilitator).
underscoredone.com
x402-protected paid API on underscoredone.com (discovered via Coinbase facilitator).
morsel.0x402.sh
x402-protected paid API on morsel.0x402.sh (discovered via Coinbase facilitator).
x402email.com
x402-protected paid API on x402email.com (discovered via Coinbase facilitator).
x402-seller.558686.xyz
x402-protected paid API on x402-seller.558686.xyz (discovered via Coinbase facilitator).
x402-utils.558686.xyz
x402-protected paid API on x402-utils.558686.xyz (discovered via Coinbase facilitator).
x402-wallet.558686.xyz
x402-protected paid API on x402-wallet.558686.xyz (discovered via Coinbase facilitator).
cannastack.0x402.sh
x402-protected paid API on cannastack.0x402.sh (discovered via Coinbase facilitator).
blockrun-sol-vbsbhh7lea-an.a.run.app
x402-protected paid API on blockrun-sol-vbsbhh7lea-an.a.run.app (discovered via Coinbase facilitator).
testmint-git-ak-fixes-proceeds.vercel.app
x402-protected paid API on testmint-git-ak-fixes-proceeds.vercel.app (discovered via Coinbase facilitator).
testmint-m4s65rltb-proceeds.vercel.app
x402-protected paid API on testmint-m4s65rltb-proceeds.vercel.app (discovered via Coinbase facilitator).