All projects on Base

Check whether a domain's TLS/SSL certificate is valid, trusted, and not expiring before connecting to it. Performs a live handshake and returns a 0–100 score and tier (VALID/WEAK/EXPIRING/EXPIRED/UNTRUSTED/INVALID) with chain trust, days-to-expiry, signature algorithm, TLS version, and cipher quality. Use before submitting credentials, posting to a webhook, or following a payment link, to catch ex

MSHA mining fatalities feed, newest first, including OPEN preliminary notices (scraped 32–180 days ahead of the official dataset and flagged as preliminary). Filter by date, state, commodity.

Stacktree: host generated HTML as a live, shareable web page on a permanent, private, unguessable link ($0.50). POST any HTML (a report, dashboard, landing page, static site, or any webpage an agent produced) with payment; we return the URL and a one-time claim token. No account, no key, no human in the loop. The paying wallet can update the page free at the same URL, and a deleted page is restora

Prepaid credit of $0.10 for paid API calls without signing each request. On CommsHarbor it pays for business e-mail for your domain from about $1.62 for 30 days (3 mailboxes), priced in Brazilian reais. The same token pays the paid APIs of our other products.

Send a list of domain names and this tool tells you exactly how old each one is, when it was first registered, when it expires, and how much time is left before expiration. Great for spotting brand-new suspicious domains, researching competitors, or evaluating domains before buying or linking to them. Works with over 100 domain extensions worldwide.

Clinical trial search — find ClinicalTrials.gov studies by free text, condition, intervention, sponsor, recruitment status and phase, and get each study's NCT id, titles, status, phases, conditions, interventions, sponsor, start and completion dates, enrollment and whether results are posted. Use for drug development, medical research and patient-recruitment questions.

Scientific and academic paper search: research papers and scholarly literature from arXiv, PubMed, OpenAlex, Crossref and Semantic Scholar in one call, deduplicated and retraction-aware. Each hit: DOI, authors, venue, snippet, citation count and citations per year, type, open-access PDF link. Sort by relevance, recency, citations or impact. Keyless. For literature review and citing research.

Is this token safe to buy? Honeypot detection, rug-pull and scam check for any ERC-20 token contract -- flags can't-sell traps, hidden mints, malicious buy/sell taxes, unverified source, and holder concentration. GoPlus-powered token security scan with risk score 0-100. Not an audit.

What token is this? Read a Base token's name, symbol, decimals and total supply in one cheap typed call, with block-level freshness and explicit limitations. Identity is shared across agents for 7 days while total supply is re-read on every call beyond the block window the answer was quoted for. Positive-sum by design: $0.03 cold, $0.02 when the token identity is already shared, $0.01 on a shared

Paint 2 pixels in one plot on 21millionpixels.art, a shared 21,000,000-pixel canvas, for one payment. Reads are free; paid pixels skip the human cooldown.

Store a persistent key-value memory for an AI agent (namespace-isolated, optional TTL and metadata). Returns the stored memory record as JSON.

Eve’s paper next-open record on NVDA, QQQ, and SPY. $50 USDC. Scoreboard only. The method is not included. Not advice. Not affiliated with Robinhood.

Translation. Translate text to any language. POST /translate {"text":"...","target":"es"}

Filter a JSON/NDJSON event log by field/operator/time range; returns matching events. Use when an agent needs to pull matching rows (thresholds, equality, substring, threshold crossings, time windows) out of a log or metrics event list. Body: {events:[...]|"<ndjson>", filter:{field,op,value?,direction?,timeField?,from?,to?,limit?}}. Ops: gt,gte,lt,lte,eq,ne,contains,crosses_threshold. Free demo at

Prediction Market Arbitrage Report for matched Polymarket and Kalshi events.

获取任意位置的天气

Generate scannable QR codes from any text, URL, or structured payload (WiFi, vCard, SMS, email, geo, crypto). Returns PNG by default with JPG, WebP, and SVG output, plus optional error-correction, sizing, color, version, and encoding controls. Simple cURL POST: send qr_data, receive an image.

Call before installing or updating an npm or PyPI dependency. Returns a verdict (ok, caution, avoid, unknown) plus evidence signals: install script added, maintainer or publisher change, very recent publish, build provenance dropped, known malware and vulnerability advisories. A clean result is not a guarantee of safety.

Live Bitcoin BTC-USD market-regime and risk evidence for autonomous AI agents, algorithmic systems, portfolio monitors, and quantitative workflows. Returns current market state and phase, coherence, commitment, pressure, derived directional bias, alert label, completion readiness, transition strength, false-breakout risk, and recent state-change events. Experimental analytics only; not financial a

Detect whether an arbitrage opportunity exists in a set of token exchange rates (multi-pool negative-cycle scan). Cheap boolean + magnitude signal for trading agents. POST a swap-rate graph, get back whether a profitable cycle exists and how large — without the path.

Fare Pulse — cheapest live fares from a major US hub, cached snapshot.

Return BuiltWith technology detections and metadata for one domain. Useful for company research, stack analysis, competitive intelligence, and sales qualification.

cron402: create a cron job that calls your webhook on a schedule. $0.008 includes 1 run credit; each subsequent run costs 1 credit (top up at /v1/crons/topup/{pack}).

Extract raw artifacts from images: OCR text and detected objects. No interpretation, just clean machine-readable data. Powered by GPT-4o Vision. Payment via USDC on base.

Current USD price, market cap, 24h volume and 24h change for up to 10 cryptocurrencies by ticker symbol (BTC, ETH, SOL, ...) or for any on-chain token by contract address and chain (ethereum, base, bsc, arbitrum, polygon, optimism, avalanche, solana). Data from CoinGecko.

Wholesale US electricity-market price + volatility signal (no params)

OpenAI-compatible chat completions backed by DeepSeek (GET probe variant). Answers open-ended questions and returns reasoned analysis.

Sugar reference price (currently follows futures; no CIV farmgate floor).

Convert and compress images to WebP, AVIF, JPEG or PNG. Optimize and shrink photos for web and CDN delivery from any image URL.

Get today's curated Word of the Day (definition + part of speech).