Explore APIs

Wikipedia article summary — plain-text and HTML extract, short description, thumbnail and Wikidata id for any title, in a clean normalized envelope with CC-BY-SA attribution.

Use when an agent or user wants a clean original joke — family-friendly humor from the Synthetic Universe. Pure compute, no upstream. Optional session id avoids repeats. Use permitted: build it into your products and services, paid or free. Raw redistribution of the feed itself is prohibited.

Currency exchange rates and conversion for about 30 currencies (USD, EUR, GBP, INR, JPY, CNY ...) from the European Central Bank reference rates of the latest working day.

Recall tenant memory

One 0-100 safety score for a Base token before an agent buys: liquidity, top-10 holder concentration, owner powers in the bytecode, upgradeability (EIP-1967), explorer/Sourcify verification, creator history, small-trade price impact. Verdicts: safe/caution/danger per component, unknown when a check could not run, and not_a_token with no score when the address deploys no code.

A short plain-text summary of one Wikipedia article, with its image and last update. Content is CC BY-SA 4.0.

Break a braille string into its cells and the raised-dot numbers (1–8) of each cell.

Prompt Styles — a curated FLUX prompt-engineering cheat sheet: 12 proven style recipes, an aspect-ratio guide, and a tier picker for the paid /generate endpoints. Static JSON, answers in milliseconds. Spend $0.005 here before spending $0.25-$0.75 on a generation.

Fetch any public URL, render client-side JS, strip nav/ads, return clean LLM-ready Markdown.

Parse an SMPTE timecode (HH:MM:SS:FF, or HH:MM:SS;FF for drop-frame) at a given frame rate into its components, total frame count and real-time seconds. Drop-frame is auto-detected from a ';' separator unless dropFrame is set. Out-of-range or non-existent drop-frame values are a clean 400.

Search Mint & Marquee for gifts and collectibles: products that match what the person wants, under their budget, with price, photo, a short description and a link to buy. Custom 3D printed collectibles and gifts: figurines, statues, keychains, bag tags and branded merch. Soccer, anime, crypto, hypebeast and ancient-art collections.

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

cc0.company — x402 agent-services marketplace on Base (USDC): CC0 image generation, market-data digests, and third-party agent tools. This endpoint: Sartoshi Generator, Generate 1/1 hand-drawn mfer art in the style of sartoshi (CC0). Thin wobbly ink lines, naive doodle style. Fine-tuned by cc0toshi on a public-domain corpus. CC0 output. Async — returns a job_id to poll.

Find the best x402 API for a task. Describe what you need (for example "remove the background from a photo") and get the matching sellers from the CDP Bazaar ranked by relevance, how many distinct buyers paid them in 30 days, their uptime measured by our monitor every 6 hours, and price. Each result has its price, payers, uptime, median latency and how to call it (method and example input).

Aspect ratio of a width and height (simplified, nearest common ratio) or the missing side for a ratio, with CSS values.

Dynamic range, levels and smallest step for a PCM bit depth, theoretical SNR, and the bit depth needed for a dB range.

Use when an agent needs a web-ready image: shrinks a PNG, JPEG or WebP to a maximum width and converts it to WebP, keeping transparency.

Battery runtime estimate from capacity (mAh and volts, or Wh) and load (mA or W), with efficiency and usable depth of discharge.

Name a chord from its notes (C E G Bb, A C E G): best name, inversion and alternative names; first note is the bass.

Confirmed exoplanet discovery counts by year and by detection method, with totals, the peak year and a cumulative series.

Camelot wheel code for a musical key and its harmonic-mixing matches; optionally test if two keys mix.

Compare a file name's extension with its real type from the first bytes; flags executables disguised as documents or images.

Complete structured package for one illustrated classic of early science/engineering (1588-1748): verified public-domain scan, full metadata, curated description, full-text OCR link, IIIF manifest, and page-image URL template. Works: Ramelli machines 1588, Agricola De re metallica 1621, Hooke Micrographia 1665, Newton Principia 1687 & Opticks 1730, Euler Introductio 1748. Param: ?id=<work_id>

Homebrew formula status: version, license, deprecation or disablement, install counts over 30, 90 and 365 days.

Render a FEN position as an 8x8 ASCII board (White at the bottom) plus a piece-by-square list.

Fuzzy-screen a person, company, vessel or aircraft name against the US Treasury OFAC SDN list including aliases (live list, refreshed every 6 h): matched entries with score, type, sanctions programs and remarks, plus the closest near-miss score. Screening aid for payment, onboarding, KYC/KYB and trade agents.

Top up $0.1 USDC and get $0.11 of agentsvc.io credit (10% bonus), valid 180 days. Returns a bearer token: send "Authorization: Bearer <token>" with any /api/v1/proxy/{slug} call or MCP request instead of an x402 payment. Calls are then paid from the balance without an on-chain step (a few milliseconds). Failed calls are refunded. To add to an existing token, send it in the Authorization header wit

A short coaching reflection on what you are working through. Send JSON with a text field. The reply acknowledges you, reframes the moment, offers one concrete next action, and closes with an affirmation signed Continue to Think and Grow Wealthy.

Catalog snapshot: every site in the 402registry catalog of sites verified visible to AI crawlers, as one JSON file rendered at purchase, every record dated. Basic fields are free at https://402registry.com/registry.json; this adds per site the findings by name and severity, the stack, the title and what the crawler saw without JavaScript (AI bot status codes, robots, sitemap, llms.txt). No input:

Looks up a legal entity in the GLEIF LEI index by LEI, company name or ISIN: legal name, status, jurisdiction, legal and HQ address, LEI registration status and renewal date, direct and ultimate parent, number of subsidiaries and linked ISINs. For KYB, counterparty and compliance checks.