APIverified
Send an NFT contract address and token ID, get ERC-721 or ERC-1155 metadata: tokenURI resolved, parsed JSON and image URL, on 5 EVM chains.
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
NFTs a wallet holds in a collection (ERC-721 Enumerable) - balance and token ids, on 5 EVM chains
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
ERC-1155 balance - how many copies of a token id a wallet holds, on 5 EVM chains
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Ethereum gas price now, compared across Base, Arbitrum, Optimism and Polygon with slow, standard and fast tiers
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
DeFi yield pools ranked by sustainable APY with risk flags, filterable by chain, token or TVL
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
DeFi TVL for any protocol - total value locked in USD, 1-day and 7-day change and per-chain TVL breakdown from DefiLlama
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Biggest 7-day DeFi TVL gainers and losers over $10M, filterable by chain and category
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
DeFi total value locked (TVL) ranked by blockchain, with gas token and TVL in USD
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
x402 test endpoint - pay once and get an itemized receipt with network, amount, payer and transaction
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
x402 ping health check - a paid round trip that returns server time and a request id
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Current UTC time as unix seconds, ISO 8601 and weekday, with optional time zone
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Random UUID v4 generator - 1 to 20 values from a cryptographic random source
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Secure random integer in a range plus random bytes as hex and base64
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Echo your public IP, user agent and payment as the server saw them - for debugging an x402 client
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Perpetual futures funding rates across Hyperliquid, Binance and Bybit - funding rate per coin as hourly, 8-hour and annualized, sorted by spread for arbitrage
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Hyperliquid perp market for any coin - mark and oracle price, open interest, volume and funding vs Binance and Bybit
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Hyperliquid perps overview - open interest, 24h volume, top markets and biggest movers with funding
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
BTC and ETH options implied volatility index (Deribit DVOL) - current level, 24h change and regime
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
BTC and ETH options max pain strike for an expiry, with put/call open interest ratio
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
BTC and ETH options chain for an expiry - strike, type, implied volatility, open interest and volume
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
BTC and ETH net gamma exposure (GEX) from open interest - total, call/put split and top strikes
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Best-selling x402 resources ranked by unique paying agents, with price, calls and estimated revenue
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
x402 demand vs supply by category - sellers, paying agents, 30-day revenue and opportunity score
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Top x402 merchants by estimated 30-day revenue, with calls, paying agents and top resource
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
