/ catalog…
Catalog
Every x402, MPP, MCP, and skill listing we've indexed, normalized, and enriched.
x402· baseq 0.88
Real-time token price and market cap data across 60+ chains via x402 micropayment
token-pricemarket-capprice-change-tracking+6
per_call
x402· baseq 0.88
Onchain transaction history with human-readable interpretations for any wallet address across 60+ chains.
transaction-historywallet-activitymulti-chain+6
per_call
x402· baseq 0.82
Look up the price of any ERC-20 token at a specific historical timestamp across 60+ chains.
historical-token-priceevm-multichainx402-payment+3
per_call
x402· baseq 0.25
Pay-per-use token metadata for Ethereum via x402 micropayments on the Silverback DeFi API.
token-metadatax402-micropaymentsusdc-payments+5
per_call
x402· baseq 0.05
Sports arbitrage opportunities API (currently offline / unprovisioned).
sports-arbitragebetting-oddsx402-payment
per_call
x402· baseq 0.88
Year-by-year PubMed publication trends, growth analytics, and CAGR for any biomedical topic — $0.01/query via x402.
pubmed-searchpublication-trend-analysisyear-over-year-growth+10
per_call
x402· baseq 0.40
Historical Polymarket prediction-market events via x402 micropayment at $0.01/call.
polymarket-historical-eventsprediction-market-datax402-micropayment+2
per_call
x402· baseq 0.35
Live crypto ticker momentum stats (mentions, velocity, acceleration) via x402 micropayment.
crypto-mentionsticker-velocityticker-acceleration+7
per_call
x402· baseq 0.35
Pay-per-call API platform on Base (USDC) offering data, AI, finance, and utility endpoints at $0.02/request.
x402-paymentusdc-basepay-per-request+9
0.02 USDC / call
x402· baseq 0.20
Scrape book data from BookBot's collection via an x402-paid API endpoint.
book-scrapingbook-searchx402-payment+1
per_call
x402· baseq 0.15
Query top DeFi liquidity pools ranked by TVL across Arbitrum, Base, and Ethereum via x402.
defi-analyticsliquidity-pool-datatvl-ranking+5
0.01 USDC / call
x402· baseq 0.62
Natural-language queries against Hubble Solana blockchain data, paid per call via x402 on Base.
natural-language-queryblockchain-datasolana-data+5
0.05 USDC / call
x402· baseq 0.35
x402 pay-per-call API platform on Base with $0.02 USDC requests — no keys, no rate limits.
x402-paymentpay-per-callusdc-base+11
0.02 USDC / call
x402· baseq 0.55
Brazilian financial market API: stock quotes, fundamentals, FIIs, crypto, FX, and economic indicators from B3/CVM/BCB.
stock-quoteshistorical-ohlcvdividends+16
0.01 USDC / call
x402· baseq 0.35
x402 pay-per-call API platform on Base with $0.02 USDC requests — no keys, no rate limits.
x402-paymentusdc-basepay-per-call+4
0.02 USDC / call
x402· baseq 0.30
x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.
x402-paymentusdc-settlementbase-network+4
0.02 USDC / call
x402· baseq 0.35
x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.
x402-paymentusdc-basepay-per-call+3
0.02 USDC / call
x402· baseq 0.35
x402-gated premium API access on Base, pay $0.02 per request in USDC — no keys required.
x402-paymentusdc-settlementbase-network+4
0.02 USDC / call
x402· baseq 0.35
x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.
x402-paymentusdc-basepay-per-request+4
0.02 USDC / call
x402· baseq 0.35
x402-gated premium API access on Base, pay $0.02 per request in USDC — no API keys required.
x402-paymentusdc-settlementbase-network+3
0.02 USDC / call
x402· baseq 0.30
x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.
x402-paymentusdc-basepay-per-request+4
0.02 USDC / call
x402· baseq 0.35
x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.
x402-paymentper-request-billingusdc-base+4
0.02 USDC / call