CoinGecko per-exchange market depth for one coin: USD cost to move price up 2% and down 2% (liquidity), 24h volume in USD, last price and bid-ask spread, for the 15 highest-volume trading pairs. Each row is one exchange pair, not a merged order book. Data is CoinGecko's, updated on its own schedule.

Bitcoin network snapshot from mempool.space: recommended fee rates (sat/vB) for fastest, half-hour, hour and economy confirmation, plus the current chain tip height. Live network data; no prices.

CoinGecko spot prices for up to 10 coins (by CoinGecko id, e.g. bitcoin,ethereum) in one currency, with 24h change. Prices are CoinGecko's aggregated spot prices; no history.

Live DEX pool snapshot from DexScreener for one pool address on one chain (Uniswap, Raydium, Curve and other DEXes DexScreener indexes): USD liquidity, token reserves, price, 24h volume and transactions, FDV. Slippage is not computed. Data is DexScreener's aggregate, not raw on-chain reads.

Bank of England official daily statistics (IADB) for one series code (default XUDLUSS) over the last N days, from the Bank's CSV download. Values as published; no interpretation of the series.

Pay for a lighthearted developer roast generated on-demand.

Rust crate documentation - README, version, docs.rs link, install command and table of contents

Multi-chain wallet net worth with DeFi positions and debt (40+ EVM chains and Solana, data from the Zerion API): total value in USD split by wallet, deposited, borrowed, locked and staked, top chains, and every protocol position (protocol, chain, type such as deposit, loan, staked, reward or locked, token, amount and USD value) grouped by protocol, with total debt.

EVM contract verification status from Sourcify (open, no key): match type (exact/partial), compiler, contract name, ABI function and event counts, proxy implementations. Only verified contracts; source files are not returned. Unverified contracts give a 404.

Locus public pay-per-use API

Get one piece of thoughtful life advice, paid per request over x402.

Base transaction receipt by hash: success or reverted, gas used, and the decoded ERC-20 Transfer events showing which tokens moved between which addresses

Go module documentation - README, latest version, pkg.go.dev link, install command and table of contents

EVM token honeypot check from honeypot.is: simulated buy/sell success, honeypot verdict, buy/sell/transfer tax, risk flags, open-source status and the main DEX pair liquidity. EVM only (no Solana). Simulation results can change with pool state; not financial advice.

Upcoming French public-contract EXPIRATIONS — the predictive layer over DECP open data: contracts whose estimated end date falls inside your window (fenetre_mois, 1-24 months), filterable by CPV prefix (cpv=45) and department, with buyer, incumbent holders, lot number, declared subcontracting, and amounts flagged firm price or ENVELOPE (call-offs, subsequent contracts, tranches, framework ceiling). Buyers re-tender 4 to 9 months before expiry: anticipation BEFORE publication. 50 per page.

Ethereum block by number or latest - hash, time, transaction count, gas used, base fee and miner

GitHub repo README as sections with a table of contents, searchable with ?q= or ?section=

How do you convert between fiat currencies? Returns the daily ECB reference rate between two 3-letter codes (CHF, EUR, USD…), not a live market rate ($0.002 per call).

Mojibake Repair: Undo Broken Encoding Exactly — Repairs mojibake, text whose accents, Cyrillic letters, quotes, dashes or emoji turned into strings such as è, ü, “, пр or Р—Рґ because UTF-8 was read as Windows-1252, Latin-1 or Windows-1251, once or twice. Gives back the original text exactly, character for character, by undoing the wrong reading byte by byte, and leaves text that is already correct untouched. When the damage is mixed with good text, mixes two encodings, or lost bytes, so …

SQL Query Optimizer for D1, SQLite and Turso — Reviews SQL queries, schemas and migrations for SQLite, Cloudflare D1 and Turso, where the bill and the speed follow the rows a query READS, not the rows it returns. Finds full scans hidden behind LIMIT, aggregates over growing tables, index column gaps, NOT IN, OR, functions and LIKE patterns that switch an index off, OFFSET pagination, N+1 loops, the D1 limit of 100 bound parameters, tables that never shrink and new flag columns that turn the who…