Explore APIs

Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.

Projects: 4.4K
Paid endpoints: 87K
Paid calls · 30 days: 885K
Launched here: 0

Crypto & DeFi

4 results

Most used Rising Most payers Newest Cheapest A–Z

C
cloud.trycorpus.aiCrypto & DeFi
corpusAI Cloud Pricing: Every listed price for one model on one day: each source and hosting provider, USD per million tokens.
BaseEVM chain 143Ethereum+10cloud.trycorpus.ai
from $0.01
29 endpoints
789
777 payers
X
x402.asterpay.ioCrypto & DeFi
Get currently trending cryptocurrency tokens
BasePolygonArbitrum+3x402.asterpay.io
from $0.006
20 endpoints
718
615 payers
BarkerCrypto & DeFi
Query real-time stablecoin supply yield pools from Barker's index of 500+ DeFi protocols. Returns ranked rows with protocol_name, chain_name, asset_symbol, supply_apy_total (decimal — multiply by 100 for %), and supply_tvl (USD). Use for questions like 'best stablecoin yield', 'where to earn on USDC', 'compare lending rates', '稳定币利率'.
X LayerBaseEthereum+2mcp.barker.money
from $0.001
3 endpoints
131
13 payers
P0 Agent Economy IndexCrypto & DeFi
Use when you need callable agent services for a capability across protocols: x402 listings ranked by relevance weighted by 30-day paying wallets, plus hosted MCP servers from the Official MCP Registry (a capped subset, count in coverage; those naming x402, L402, MPP or pay-per-call first; that registry publishes no prices). L402 and MPP listings are not covered. ?q= required. $0.002 USDC per call.
BaseArbitrumPolygon+5x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev
from $0.001
29 endpoints
39
3 payers

Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.