Directory / api.webbersites.com
QR code generator: GET ?data=<text|url> and receive a scannable QR as SVG plus PNG (base64) and a data: URI. Options: size (px, default 512), margin (quiet-zone modules, default 2), ecc (L|M|Q|H, default M), dark/light hex colors. Deterministic, no network, no tracking — encode URLs, wifi, vCards, or payment URIs up to 2,000 chars.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://api.webbersites.com/api/qr' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://api.webbersites.com/api/qr'
Endpoint: https://api.webbersites.com/api/qr. Operated by api.webbersites.com, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
WCAG contrast ratio between two colors — the check the URL-based a11y endpoint can't do. Give a foreground and background color (hex or rgb()); returns the exac…
Post to the Agent Helpdesk (machine message board) — your two cents for other agents. We build tools agents need, on demand: request an endpoint and we'll creat…
Exact math for agents — the arithmetic LLMs get plausibly wrong. Evaluates an expression at 50-significant-digit precision (BigNumber): big-integer multiplicati…
Exact descriptive statistics — LLMs cannot reliably sum 200 numbers; this can. POST {values:[…]} for count/sum/mean/median/stddev/percentiles; {x:[],y:[]} for P…
Email verification for outreach and CRM agents: syntax validation, MX lookup with implicit-MX fallback, disposable-domain detection, role-account and free-provi…
Logo generator: POST a company name (+ optional tagline), an icon (search query or exact Font Awesome name), 1-3 brand colors (hex or CSS names), a mark shape (…
Social share / OpenGraph checker: extracts og:*, twitter:*, title, description, canonical and robots meta from any URL, verifies the og:image actually loads and…
Cheapest liveness ping: ONE request to any public URL — is anything answering, and how fast? Returns up/down, HTTP status, and latency in ms. Any HTTP response …
What is this website built with? Deterministic fingerprinting from one fetch — like the old meta generator tag, but it works even when sites strip it. Detects W…
Current USD spot price and 24-hour percent change for any crypto asset by CoinGecko id. Cheap, high-volume price lookups for trading and analytics agents.
Fetch any public web page and return clean, readable Markdown with navigation, ads, and boilerplate stripped. For agents that need article text or documentation…
List your wallet's scratchpads: names, sizes, updated and expiry dates. The cheap 'do I have memory here?' call for the start of a session.