Every agent-payable API.

Compute Compare — an agent-callable compute compare service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.

Convert BNB to USD at live price. Pass ?amount=1 for value in US Dollar. 币安币兑换美元换算。BNBを米ドルに換算。Convertir BNB a dólar. 바이낸스코인를 달러로 환전. bnb to usd, BNB convert.

Convert EUR to USD at live rate. Pass ?amount=100 for value in US Dollar. 欧元兑换美元换算。ユーロを米ドルに換算。Convertir euro a dólar. 유로를 달러로 환전. eur to usd convert.

Convert GBP to EUR at live rate. Pass ?amount=100 for value in Euro. 英镑兑换欧元换算。ポンドをユーロに換算。Convertir libra a euro. 파운드를 유로로 환전. gbp to eur convert.

Convert GBP to USD at live rate. Pass ?amount=100 for value in US Dollar. 英镑兑换美元换算。ポンドを米ドルに換算。Convertir libra a dólar. 파운드를 달러로 환전. gbp to usd convert.

Convert an amount between currencies at current ECB rate. Returns input amount, target amount, rate, date. Use ?amount=100&from=USD&to=EUR. Built for AI agents quoting prices in multiple currencies.

Council Tax — an agent-callable council tax service, payable over x402 (USDC on Base). Provided via web-production-18a32.up.railway.app. Priced around 0.001 USD per call.

Crypto 'Would You Rather' scenarios

Crypto ETF Sentinel — Per-crypto regulatory wave state for US spot crypto ETFs (Bitcoin, Ethereum, Solana, XRP and more). Answers 'is asset X in an active SEC approval cycle right now?'. Returns ``in_wave``, ``first_anchor_date``, ``first_anchor_ticker``, plus counts of approved vs pending cohort members.

Crypto ETF Sentinel — Crypto ETF fee comparison: current expense ratio for every trading US spot crypto ETF, sorted cheapest first — compare fees and find the lowest-cost Bitcoin, Ethereum and other crypto ETFs. Outlier-capped at 200bps to drop bad XBRL extractions.

Crypto ETF Sentinel — SEC filing tracker for US spot crypto ETFs across Bitcoin, Ethereum, Solana, XRP and 30+ assets. Freshest filings surface within ~10 minutes of detection — last 50 newest-first by default, built for continuous, high-volume monitoring. Covers S-1, 424B, 8-A12B, CERT, EFFECT. Optional filters: ``currency``, ``filing_type``, ``date_after``.

Crypto ETF Sentinel — Curated directory of every active US spot crypto ETF issuer, including staking ETFs (100+ entries across 30+ cryptocurrencies). Each entry carries regulatory-stage classification (registration_filed / under_review / launch_imminent / trading / approved / withdrawn), ticker, exchange, owner organisation, and SEC CIK. Pair with paid per-issuer routes (``?cik=`` query param) to drill into comment letters, XBRL financials, or POS AM profiles.

Crypto ETF Sentinel — Single-call market snapshot for US spot crypto ETFs (Bitcoin, Ethereum, Solana, XRP and more). DB totals, filings broken down by cryptocurrency + form type, regulatory-stage counts (how many issuers are trading / launch_imminent / under_review / etc.), and an ``as_of`` ISO timestamp for stale-checking. Useful as a heartbeat for monitoring agents deciding whether to drill into the catalogue.

Crypto price history over a window (CoinGecko free). Returns daily price series (open/close per day), market cap, volume. Use ?id=bitcoin&vs=usd&days=30 (max 365 on free tier). Built for AI agents doing TA and back-testing.

Validate a composition body without saving it (dry-run)

Current air quality at a location by latitude and longitude or city: US AQI, PM2.5, PM10, ozone, nitrogen dioxide, carbon monoxide. Live environmental data. air quality, AQI, PM2.5 PM10, pollution, ozone by city

Current crypto Fear and Greed Index value (0-100) with classification and optional history, a real-time market sentiment signal not available in any LLM training data. fear greed index, crypto sentiment, market fear, greed index, sentiment indicator

DYOE Trust Check — is this counterparty safe? Scam, fraud, phishing & rug-risk check before an agent trusts or pays any website, business, wallet, or endpoint. Returns verdict (safe/caution/avoid) + trust_score + domain age + red_flags. The trust tollbooth of the agent economy. Input: ?target=domain

Kronos by ForgeMesh auditable crypto market-intelligence journal combining directional bias, anomaly review, calibrated confidence, and verification in one record with a decision_id. Pair with Kronos Audit to measure the later outcome. Market intelligence only.

Total value locked for any DeFi protocol with per-chain breakdown via DefiLlama, by protocol slug such as aave-v3 or uniswap. defi tvl, protocol tvl, total value locked, defillama tvl, protocol metrics Accepts payment on Base or Solana — either network works.

Detect the language of input text from Unicode script and stopword analysis with a confidence score, covers Chinese, Japanese, Korean, Cyrillic, Arabic, Hebrew, Greek, Thai and major Latin languages. language detection, detect language, language identifier, what language is this text

AI music generation using ElevenLabs Music (Replicate). Dynamic pricing: $1 per 120 seconds, max 3 minutes (Base Mainnet).

Send email notification for payment confirmations, alerts, receipts.

Eth Usd — an agent-callable eth usd service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.

Ethereum mainnet current gas price (gwei) via LlamaRPC eth_gasPrice plus latest block base fee. Use no params. Built for AI agents timing on-chain ops, contract deployment cost estimation.

Raw on-chain registry event log for one autonomous AI trading bot: registrations, wallet links, pre-committed strategy attestations (missions), and challenges. The verifiable audit trail behind a bot's track record.

Exa /search endpoint

Derived structural metrics over the AI funding portfolio. Silicon-vendor concentration shares per investor, circular-loop classification (fully-circular / partial-loop / agnostic), co-investor pairs holding the same recipient, top recipients by inbound capital. The "who is funding whose silicon" call.

Extract EXIF metadata from a JPEG/TIFF image URL. Returns camera make/model, lens, ISO, exposure, focal length, GPS coords, dimensions, datetime taken, orientation. Use ?url=https://.... Built for AI agents auditing photo provenance, building EXIF-stripping pipelines, or photo organization.

Extract all links from markdown: inline, reference, autolinks, images. Returns array of {type, text, url, title}. Use ?url=... or ?text=.... Built for AI agents link auditing, broken-link detection, sitemap crawling.

Fee War History — an agent-callable fee war history service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.02 USD per call.

FEMA flood zone for an address. Perfect for: 'flood zone for an address', 'FEMA flood designation', 'is this property in a floodplain', 'is this address in a 100-year flood zone', 'flood risk lookup'. Returns the FEMA NFHL flood-zone designation, 0.2%-annual-chance and BFE/floodway flags at the geocoded point, with source provenance. National. Not a flood insurance quote or a safe/unsafe verdict. Charge-free when the flood lookup fails.

Festival Customs (节日习俗) - traditional Chinese festival customs and 宜忌. Query: ?name=春节|端午|中秋|... or ?date=YYYY-MM-DD

🆕 Funding provenance in one call. Traces a Base wallet back to its EARLIEST transaction and resolves who first funded it: a recognized exchange/bridge (real on-ramp, lower risk), an anon EOA (possible sybil/burner — trace the cluster), or a contract. Returns the first funder, whether it's a contract or EOA, the initial value, and wallet age. The sybil/origin screen no other Base tool gives — the counterparty check before you transact. wallet= required. Not financial advice.

Flip a blockchain-verified* coin (*not actually verified)

Full AI search visibility audit — AEO/GEO/SEO 4-layer strategy, AI inclusion check, schema gaps, llms.txt review, P1/P2/P3 roadmap. 2.50 USDC.

Geocode — an agent-callable geocode service, payable over x402 (USDC on Base). Provided via keyronne.com. Priced around 0.003 USD per call.

Check GitHub's official status source for current incidents, component health, and scheduled maintenance before an agent retries, deploys, or escalates.

GPU/Compute — run AI model inference via Replicate (image, video, LLM, audio, utility).

Academic letter grade with red-pen marginalia for anything. $0.01 USDC.

Graph schema definition — entry point for agents to discover available data

Live grid carbon intensity, deterministic. Answers "how clean is the grid right now", "gCO2 per kWh in Germany", "cleanest hour to run a job today". Current intensity + forward curve (to 48h) + cleanest and dirtiest slots, from NESO (GB national + 14 DNO regions) and energy-charts/Fraunhofer ISE (DE FR NL BE AT ES IT NO). No LLM, no key. Pair with /api/energy/compute-window for full job scheduling.

Hacker News (HN) is a social news website focusing on computer science and entrepreneurship. It is run by the investment fund and startup incubator Y Combinator. | Powered by Questflow

Dirty Dozen & Clean Fifteen guide — which produce to buy organic: the EWG pesticide priority list and a smart organic buying strategy. For foodie and consumer agents.

Hex to HSL converter / hue saturation lightness / HSL color picker / hex to hsl / RGB to HSL / color space conversion / CSS hsl() / color theory. Convert hex color into HSL (Hue, Saturation, Lightness) and return both RGB intermediate and CSS hsl() string.

Kronos by ForgeMesh rolling crypto signal history with up to 168 hourly snapshots. Use for backtesting, signal-drift analysis, or an agent's historical context window.

IP address validator / IPv4 IPv6 detector / IP format check / private IP detection / loopback detection / link-local detection / multicast detection / RFC 1918 / network classifier. Validate any IP address (IPv4 or IPv6) and classify as public/private/loopback/link-local/multicast/reserved.

ICS sector change feed — only what is NEW in the last N days. Pass ?sector=water&days=7. Returns new CVEs, new CISA advisories, and new actor activity since the last call. Designed for cron-based monitoring agents. Eliminates redundant reprocessing.

Paid x402 endpoint for generating images from text prompts.

Index Msti — an agent-callable index msti service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.1 USD per call.