All projects matching “de”

MIME type for .bin files: application/octet-stream. Returns the Content-Type to send, the category, whether browsers render it inline, whether it is compressible, common magic bytes and related extensions. Set headers and validate uploads for .bin correctly. $0.01 per call.

Convert messy CSV/TSV to a clean styled XLSX plus a checks report (base64)

Buy 25,000 TOM (5 packs) for 5 USDC on Base.

On-Chain Trading Signals: How to Spot Whale Movements and Profit from Market Anomalies

ENI Premium Data Feed - Real-time market data and analytics

x402 pre-pay trust/health check: probes another x402 endpoint (unpaid) and returns a verdict.

Buy $5 USDC of x420 token

Free public facilitator for Solana and EVM chains. No fees and no account needed.

Short cited research answer for a query

High-frequency Base DEX oracle delivering real-time pool reserve deltas, 60-second netflow velocity, buy/sell tax status, and exact slippage quotes for $100, $1,000, and $10,000 trade sizes across Aerodrome and Uniswap v3.

Linkheft: Domain rank and authority lookups, up to 50 domains a call.

Current chain tip block height via eth_blockNumber. Returns decimal block number and hex. Works on Base (default) or Ethereum via ?network=eth. Deterministic on-chain read via public RPC.

Crypto news feed, $0.0008 USDC per call: deduplicated headlines from 37 public sources (CoinDesk, Cointelegraph, The Block, Decrypt, DL News, Blockworks, Ethereum/Solana/Base blogs, Uniswap/Aave/Arbitrum/Optimism forums, GitHub releases of geth, reth, agave, Bitcoin Core). Each item: title, source url, source, published_at, topics, tickers, summary. Filters: topics, tickers, q, type. since cursor

Fetch a public web page and return its title, description, clean Markdown (scripts, styles, nav chrome removed) and the list of links. No model call, deterministic.

Base USDC receipt verifier

Use when you need to know what a website is built with (CMS, frameworks, analytics, CDN, hosting), who hosts its email and DNS, and how good its security headers are. Up to 3 domains per call; fetches each homepage once, follows robots.txt.

Deterministic npm package evidence: registry facts, distribution integrity, provenance, and factual flags for coding agents.

Fetch a public web page and convert it to clean Markdown (title, description, headings, absolute links). LLM-free, deterministic, honours robots.txt. ?url=

Check an email address or domain: MX records, mail provider (Google/Microsoft/Zoho), SPF, DMARC policy, disposable-domain flag and a 0-100 deliverability score. Validate leads before sending.

Detect the structure of a book manuscript before typesetting it: the chapter list our engine will use (numbered / unnumbered), words and scene breaks per chapter, paragraph count, characters the book font cannot print, and the warnings a full build would raise. Same parser as /v1/typeset, so what you see here is exactly how the book will be divided.

Dual-basis kimchi premium per symbol: official-FX and USDT-KRW tradeable basis, Upbit and Bithumb vs global reference (Binance, Coinbase fallback)

Check 1-100 email addresses ($0.001 each): RFC syntax, normalization and canonical form, MX lookup (A fallback), disposable domain (CC0 list), role account, free provider, typo suggestion (gmial.com -> gmail.com), verdict and 0-100 score. No SMTP probing.

One public GitHub Actions source-file static preflight, read anonymously from GitHub Contents API. No buyer-supplied host, no code execution, no private repository or credentials.

Settlement date T+N for a trade date on a joint calendar. Default XNYS,FED with t=1 (US equities since 28 May 2024). If the trade date is not a business day it is first rolled to the next one. Deterministic, no AI.