Catalog / company

httpay.xyz

31 agent-payable APIs across ai, blockchain, data, search, compute. Every listing carries a tested call recipe - endpoint, auth shape, pricing, and known gotchas - on its detail page. httpay.xyz

APICategoryPrice / callUptime 30dStatusDocs
Scan Aave V3 + Moonwell on Base for positions with health factor < 1.5. Returns accounts, collateral/debt, estimated liquidation bonus. Essential for liquidation bots.
Scan Aave V3 + Moonwell on Base for positions with health factor < 1.5. Returns accounts, collateral/debt, estimated liquidation bonus. Essential for liquidation bots.
ai$0.02-listedcall recipe →
Base Network Health Dashboard API
Base network health dashboard — TPS, block time, gas price, TVL, daily transactions, total addresses, and 24h/7d trend data. Aggregates data from L2Beat, DeFiLlama, and the Base RPC.
blockchain$0.005-listedcall recipe →
Pre-swap MEV sandwich risk scoring. Params: ?tokenIn=0x...&tokenOut=0x...&amountUsd=1000&dex=uniswap. Returns riskScore 0-100, verdict LOW/MEDIUM/HIGH, and mitigation factors. Uses GoPlus + DexScreene
Pre-swap MEV sandwich risk scoring. Params: ?tokenIn=0x...&tokenOut=0x...&amountUsd=1000&dex=uniswap. Returns riskScore 0-100, verdict LOW/MEDIUM/HIGH, and mitigation factors. Uses GoPlus + DexScreener.
ai$0.01-listedcall recipe →
Real-time DEX volume comparison on Base: UniswapV3, Aerodrome, BaseSwap, SushiSwap. Returns 24h volume per DEX, top pairs by volume, volume trends. Data from DeFiLlama + DexScreener.
Real-time DEX volume comparison on Base: UniswapV3, Aerodrome, BaseSwap, SushiSwap. Returns 24h volume per DEX, top pairs by volume, volume trends. Data from DeFiLlama + DexScreener.
blockchain$0.01-listedcall recipe →
Advanced Gas Tracker For Base API
Advanced Gas Tracker for Base — historical gas analysis with 1h/6h/24h averages, percentiles (P25/P50/P75/P95), min/max, trend detection (rising/falling/stable), and best time to transact prediction. Supports ?chain=base&hours=24&demo=true.
ai$0.005-listedcall recipe →
Compare bridge routes & costs for Base: Across, Stargate, official Base Bridge. Returns routes sorted by cost. Params: ?from=ethereum&to=base&token=USDC&amount=1000
Compare bridge routes & costs for Base: Across, Stargate, official Base Bridge. Returns routes sorted by cost. Params: ?from=ethereum&to=base&token=USDC&amount=1000
ai$0.02-listedcall recipe →
Lending Liquidation Sentinel API
Lending Liquidation Sentinel — finds Aave V3 positions on Base close to liquidation. Returns positions with health factor below threshold, with collateral/debt breakdown and estimated liquidation profit. Supports ?protocol=aave&chain=base&threshold=1.1&demo=true.
ai$0.01-listedcall recipe →
Real Defi Yield Intelligence Via Defillama API
Real DeFi yield intelligence via DefiLlama. Enriched with gas-adjusted net APY, protocol risk tier (A-D), and IL estimates. Params: ?chain=base&minTvl=100000&minApy=5. No AI hallucinations — all data from DefiLlama pools API.
blockchain$0.02-listedcall recipe →
Base Sequencer Pending Transaction Feed API
Base sequencer pending transaction feed — large pending swaps, MEV opportunities, frontrunning signals. Base uses a centralized sequencer so this shows the sequencer queue rather than a traditional mempool.
ai$0.01-listedcall recipe →
Aggregated X402 Ecosystem Stats API
Aggregated x402 ecosystem stats — total services, volume estimates, growth metrics. EXCLUSIVE to httpay.xyz.
ai$0.05-listedcall recipe →
Check if we've hit the bottom
Check if we've hit the bottom
ai$0.003-listedcall recipe →
Complete directory of all known x402-enabled services with pricing, categories, and status. Curated by httpay.xyz.
Complete directory of all known x402-enabled services with pricing, categories, and status. Curated by httpay.xyz.
ai$0.01-listedcall recipe →
Current crypto market sentiment analysis
Current crypto market sentiment analysis
blockchain$0.02-listedcall recipe →
Domain WHOIS lookup. Returns registrar, creation date, expiry date, nameservers, and status. Powered by the whois npm package (no external API).
Domain WHOIS lookup. Returns registrar, creation date, expiry date, nameservers, and status. Powered by the whois npm package (no external API).
ai$0.003-listedcall recipe →
Find the best yield opportunities (simulated)
Find the best yield opportunities (simulated)
ai$0.02-listedcall recipe →
Latest crypto headlines from aggregated RSS feeds
Latest crypto headlines from aggregated RSS feeds
blockchain$0.005-listedcall recipe →
Mev Scanner API
MEV Scanner — detects MEV activity (sandwich attacks, arbitrage) in recent blocks by analyzing swap density and transaction patterns. Params: ?chain=base&blocks=10. Demo: ?demo=true.
ai$0.01-listedcall recipe →
Monitor stablecoin prices vs peg, 24h supply flows, and depeg alerts on Base. Covers USDC, USDT, DAI, EURC, USDbC. Uses CoinGecko + DeFiLlama.
Monitor stablecoin prices vs peg, 24h supply flows, and depeg alerts on Base. Covers USDC, USDT, DAI, EURC, USDbC. Uses CoinGecko + DeFiLlama.
blockchain$0.01-listedcall recipe →
Query all ERC-8004 registered agents on Base. Filter by capability, paginate with limit/offset. Returns structured agent list with on-chain data and parsed metadata.
Query all ERC-8004 registered agents on Base. Filter by capability, paginate with limit/offset. Returns structured agent list with on-chain data and parsed metadata.
data$0.01-listedcall recipe →
Real Time X402 Transaction Monitor API
Real-time x402 transaction monitor — fetches recent USDC transfers facilitated by known x402 facilitators on Base
ai$0.05-listedcall recipe →
Real-time DEX volume tracker on Base. Top DEXes by 24h volume, market share, and growth rate. Live data from DeFiLlama. Supports ?chain=base&period=24h&demo=true.
Real-time DEX volume tracker on Base. Top DEXes by 24h volume, market share, and growth rate. Live data from DeFiLlama. Supports ?chain=base&period=24h&demo=true.
blockchain$0.005-listedcall recipe →
Track Base Network Fee Trends Over Time API
Track Base network fee trends over time — avg gas per block, cheapest hours, L1 vs L2 comparison. Useful for agents timing their transactions.
ai$0.01-listedcall recipe →
Track Upcoming And Recent Airdrops Relevant To Base Ecosystem API
Track upcoming and recent airdrops relevant to Base ecosystem — eligibility criteria, estimated value, deadlines, farming strategies. Aggregated from DefiLlama + curated Base protocol list. Unique to httpay.xyz.
blockchain$0.02-listedcall recipe →
Approximate Twitter/X sentiment for a query via web search
Approximate Twitter/X sentiment for a query via web search
search$0.02-listedcall recipe →
Convert a hex color code to RGB and HSL values. Pass ?hex=FF5733 (with or without #). Returns r, g, b, h, s, l values and CSS strings. Uses Node.js built-in math. Zero external dependencies.
Convert a hex color code to RGB and HSL values. Pass ?hex=FF5733 (with or without #). Returns r, g, b, h, s, l values and CSS strings. Uses Node.js built-in math. Zero external dependencies.
compute$0.001-listedcall recipe →
Crypto fortune cookie
Crypto fortune cookie
blockchain$0.001-listedcall recipe →
Daily alpha/opportunity report
Daily alpha/opportunity report
ai$0.05-listedcall recipe →
Fresh Markets Watch API
Fresh Markets Watch — newly created DeFi pools/markets sorted by APY with TVL, protocol, token pair, and risk warnings for new pools. Supports ?chain=base&hours=24&demo=true.
blockchain$0.005-listedcall recipe →
Crypto 'Would You Rather' scenarios
Crypto 'Would You Rather' scenarios
blockchain$0.001-listedcall recipe →
Flip a blockchain-verified* coin (*not actually verified)
Flip a blockchain-verified* coin (*not actually verified)
blockchain$0.001-listedcall recipe →
Which Wojak are you today?
Which Wojak are you today?
ai$0.001-listedcall recipe →
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