Sentiment of one text, or up to 20 (texts, a JSON array), each up to 2,000 characters: POSITIVE or NEGATIVE with the model's confidence, from DistilBERT SST-2. Best for short English text. It measures the wording, not whether the statement is true.

x402 APIs that were up before but failed our latest check, most paid first.

Geocodes a one-line US address with the US Census Bureau: matched address, coordinates, county, state, census tract and block group. Addresses that do not match answer 404 (not charged). Public domain data.

x402 APIs ranked by the uptime we measure every 6 hours over 30 days, then by payers and latency, optionally only well-paid ones.

A square thumbnail of an image, smart-cropped around its most interesting region, as WebP by default.

Resolve a Basename (name.base.eth) to its address, or find the primary Basename of an address (only when the name points back to it).

Checks the check digit and structure of an identifier with no network call: ISBN-10 and ISBN-13 (with ISBN-10 to 13 conversion), EAN-8, UPC-A, EAN-13 and GTIN-14 (with the GS1 prefix country), VIN (manufacturer code, region, model year), IMEI, ISIN (country) and a generic Luhn number. type=auto detects the type. Up to 50 comma-separated values give a results array.

The current time in an IANA time zone (its UTC offset and whether DST applies) and, with time and to, the conversion of a local time from one zone to another. Computed in the Worker with the runtime's time zone data; no outside call.

What a page shows while an image loads: its BlurHash, a tiny blurred WebP preview as a data URL, its average color and its dimensions.

Fetch a public web page and return its main content as clean Markdown (Mozilla Readability, as in Firefox Reader View, then Markdown with absolute links and tables), with title, byline, site name, published date, language, excerpt and a token estimate. Navigation, ads and footers are left out. Pages that cannot be read (errors, not HTML) are not charged.

Profile of a Base address: wallet (EOA), EIP-7702 delegated wallet or contract; transaction count; ETH and USDC balances; its primary Basename; the token it is, if it is an ERC-20; and the x402 seller it receives payments for, from Bazaar listings.

The ETH balance and ERC-20 balances of an address on Base, for the tokens you name or a default list of well-known tokens (USDC, WETH, cbBTC, AERO, DAI, USDT, DEGEN, VIRTUAL and others), with USD values for ETH, stablecoins and up to five other held tokens priced from their pools.

The dominant colors of an image with their share of it, and its average color, as hex and RGB, for palettes, theming and search.

Convert a value between units of length, mass, volume, temperature, speed, area, energy, power, pressure, data size, time and more (mathjs units), such as mi to km, degF to degC, GB to MiB, kWh to J.

Stack Overflow questions matching words, optionally by tags and accepted status: title, score, answer count, accepted flag, tags and link. With answers=1 the accepted answer's first 600 characters are included. Content is CC BY-SA 4.0 (attribution per item). Stack Exchange API 2.3.

Explain a cron expression in plain English and list its next run times in a time zone (5 or 6 fields, with ranges, steps, L, W and #).

Sunrise, sunset, solar noon and day length for a coordinate and date (default today), with the moonrise, moonset and phase. Times are ISO 8601 with the offset MET Norway gives (+00:00 is UTC). Attribution: data from MET Norway (CC BY 4.0).

Add or subtract an ISO 8601 duration (P1M, P2W, PT36H) to a date, months clamped to the month's end; or count the days, weeks, calendar months, years, seconds and business days (Monday to Friday, less a country's public holidays) between two dates. Also the weekday, ISO week and day of year.

Active US National Weather Service alerts for a state or a point: event, severity, urgency, area, onset, end of the event (ends), expiry of this message (expires), headline and instruction (cut to 400 characters). Attribution: National Weather Service, public domain.

MD5, SHA-1, SHA-256, SHA-512, SHA3-256 and Keccak-256 (Ethereum) of a text, or of bytes given as hex or base64, as hex and base64.