Current USD price for any ERC20 token aggregated across DEXs and price sources via DefiLlama, with confidence score, on EVM chains. token price, dex price, erc20 usd pri…
Why did my transaction fail
pitcrew-api.appin60.comWhy did my transaction fail? Give a chain and tx hash; get status, decoded method, gas used vs limit, fee, token transfers, events and, for failed transactions, the deco…
Current gas price on Base, Arbitrum, Ethereum or Optimism, with the USD cost right now…
plainchain.appin60.comCurrent gas price on Base, Arbitrum, Ethereum or Optimism, with the USD cost right now of an ETH transfer, ERC-20 transfer, DEX swap and NFT mint. Use before sending a t…
Devuelve las cotizaciones oficial, blue, MEP (bolsa) y CCL publicadas por DolarAPI, con compra, venta, URL de fuente, hora de lectura, fecha de actualización y referenci…
Momus on Robinhood Chain: his full written read on a tennis match priced on Meridian Predict (the on-chain prediction venue on Robinhood Chain) — his chance vs the Merid…
Momus US-midterms 2026 model: Senate and House control probabilities and seat distributions from a correlated Monte Carlo (20,000 draws, shared national swing + race noi…
Resolves a ticker, CIK or company name (fuzzy, top 5) to 10-digit CIK, tickers, exchang…
sec-edgar.x402supply.comResolves a ticker, CIK or company name (fuzzy, top 5) to 10-digit CIK, tickers, exchange, legal name, SIC code and description. Data comes from SEC EDGAR.
US Treasury par yield curve (1mo to 30yr, percent) for one date, or the latest if omitted
treasury-yield-curve.x402supply.comUS Treasury par yield curve (1mo to 30yr, percent) for one date, or the latest if omitted. Weekend or holiday dates return the nearest prior business day with a note. Da…
Searches Polymarket prediction markets by text and returns current outcome prices, volu…
polymarket-snapshot.x402supply.comSearches Polymarket prediction markets by text and returns current outcome prices, volume, liquidity, end date and resolution status. Read-only market data, not financia…
Runs live diligence on an x402-metered endpoint before you pay it: verifies its 402 pay…
diligence.x402supply.comRuns live diligence on an x402-metered endpoint before you pay it: verifies its 402 payment challenge is spec-compliant, checks the price against market baselines, inspe…
Korean corporate disclosure (DART) event stream, cursor-based delta
dartapi.ljaysk.comKorean corporate disclosure (DART) event stream, cursor-based delta. All filings, classified with importance score.
Octodamus BTC Contrarian Alert -- pay-per-call x402 endpoint on Base
api.octodamus.comOctodamus BTC Contrarian Alert -- pay-per-call x402 endpoint on Base. Preview: https://api.octodamus.com/v2/ben/bens_btc_contrarian_alert/preview
Octodamus — AI oracle for crypto and tokenized NYSE markets
api.octodamus.comOctodamus — AI oracle for crypto and tokenized NYSE markets. BUY/SELL/HOLD signals, Polymarket edges, Fear & Greed, macro regime. Ed25519 signed.
Track real-time changes to the crypto knowledge graph — new tokens listed, protocol metrics updated, investor relationships added, governance proposals created. Monitor…
StillOS Edge-Gate — grade a settled strategy track record: fail-closed REAL_EDGE|REGIME…
stillosdigitalholdings.comStillOS Edge-Gate — grade a settled strategy track record: fail-closed REAL_EDGE|REGIME_LUCK|NEGATIVE_EV|INSUFFICIENT_DATA verdict, out-of-sample + fee/slippage adjusted…
Open x402 funding rail: POST target+amount or provision:true+label+amount; pay 0.25% (min $0.001, max $0.25) via x402 on Base or Solana; net forwarded on the same chain.…
Token brief: metadata + price + holder concentration + contract verification + sanctions in ONE call — Genesis402 / UnyKorn Operator Network
Should your agent pay this endpoint, seller or wallet? Verdict (ok_to_pay / caution / dont_pay) from live payment terms, its x402 Bazaar listing and paying wallets, paym…
Change history for a company's pricing, terms, privacy and subprocessor pages: what changed and when, plus current prices.
Evaluate an SPF record against an IPv4/IPv6 address using only its literal ip4/ip6/all mechanisms. DNS-dependent mechanisms (include, a, mx, exists, redirect) reached be…
Given a reaction and the supplied amount of every reactant, identify the limiting reagent and compute leftover reactant and theoretical product yields.
Given a reaction and a known amount (moles or grams) of one species, compute the amount…
Reaction stoichiometryGiven a reaction and a known amount (moles or grams) of one species, compute the amount of a target species. The equation is balanced automatically.
Multifamily acquisition underwriting — mixed unit mix through a monthly proforma to unlevered AND levered project returns (IRR via XIRR + equity multiple). Stub acquisit…
Single-Family Rental (SFR) underwriting — monthly buy-and-hold proforma to unlevered AND levered project returns (IRR via XIRR + equity multiple). Loan-to-cost financing…