Every agent-payable API.

Quick extractive summary of any web page: fetch the URL, extract the main article, and return the key sentences (TextRank) instead of the full text. For agents that want the gist of a page, not a full scrape. No AI — fast and deterministic. Want an abstractive AI rewrite, or to summarize a PDF/DOCX or your own text? POST /api/summarize-text ($0.01).

Deep uptime & health report from one socket-level HEAD probe: DNS/TCP/TLS/TTFB timing waterfall, TLS certificate (issuer, expiry countdown, trust status), HTTP/2 support via ALPN, server IP + hosting location, CDN detection, redirect chain, caching + security response headers, compression, server clock skew. On failure, says exactly which phase died. Everything a monitor needs in one deterministic call — no page download.

DNS and domain intelligence: A/AAAA/CNAME, MX (sorted), NS, TXT, SOA records plus email security posture — SPF record, DMARC policy, and DKIM selector probing. For deliverability, security, and research agents. ?domain=example.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.

Search Font Awesome Free (2000+ icons) by keyword: matches names, labels, and official search terms, ranked. Returns icon names, available styles (solid/regular/brands), and terms. Use the chosen name in POST /api/icon/generate.

Exact math for agents — the arithmetic LLMs get plausibly wrong. Evaluates an expression at 50-significant-digit precision (BigNumber): big-integer multiplication, high-precision division, roots, logs, factorials, unit conversions (12 inch to cm). GET ?expr=…, result returned as an exact string. Deterministic, no AI, never executed as code.

High-quality image vectorization powered by Vectorizer.AI: POST a public image URL or base64 (PNG/JPEG/GIF/BMP/WebP, up to 10 MB) and get a production-grade vector back — SVG by default, or PNG/PDF/EPS/DXF. Full-color tracing, clean paths, ready for print, cutting, and scaling. The premium finish for logos, icons, sketches, and raster art.

IP geolocation: country, region, city, coordinates, and timezone for any IPv4 or IPv6 address. Fast in-memory lookup for analytics, fraud, and personalization agents.

Webhook List — an agent-callable webhook list service, payable over x402 (USDC on Base). Provided via gateway.spraay.app. Priced around 0.002 USD per call.

Improve writing content with AI. POST {"content": "..."} and get {"improved", "engine"}. Speaks x402 — no account or API key needed.

Wikipedia Summary — an agent-callable wikipedia summary service, payable over x402 (USDC on Base). Provided via 2s.io. Priced around 0.001 USD per call.

Word Related — an agent-callable word related service, payable over x402 (USDC on Base). Provided via 2s.io. Priced around 0.0012 USD per call.

X.AI text-to-speech: convert text to speech (MP3) (Base Mainnet).

Xbrl Series — an agent-callable xbrl series service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.02 USD per call.

Xonin - A generative art NFT collection featuring unique abstract designs of layered vivid curves and geometric shapes, crafted with 100 distinct color palettes. The artworks are created, rendered and stored fully onchain to ensure immutability and permanence. Employed art style: Shapes. Website: https://xonin.vercel.app; X: https://x.com/XoninNFT.

Yield All — an agent-callable yield all service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.

Yield Estimate — an agent-callable yield estimate service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.001 USD per call.

List every network Yield.xyz supports (80+) with its id (slug), name, and category (EVM, Cosmos, Substrate, misc). Filter by name/id or category. Use the network id to filter yields_get_all.

buy 0x6A35671c32F0055688D9f29Fa7557CD887922e72 a coffee.

chainquery Bitcoin RPC: pay-per-call Bitcoin Core over x402, no API key. Node uptime in seconds from chainquery's independent full node. Bitcoin Core uptime.

chainquery Bitcoin RPC: pay-per-call Bitcoin Core over x402, no API key. Currently banned peer IPs and subnets from chainquery's independent full node. Bitcoin Core listbanned.

code formatter, format code, prettier, code beautifier, pretty print code, JavaScript formatter, TypeScript formatter, JSON formatter, HTML formatter, CSS formatter, Markdown formatter, YAML formatter, code prettifier, auto format code, format JSON, format HTML, format CSS. Format code using Prettier. Supports JavaScript, TypeScript, JSON, HTML, CSS, Markdown, YAML, GraphQL. Auto-detects parser if not specified. For AI agents writing or fixing code in pipelines.

Convert token units (wei/gwei/ether or arbitrary decimals), between hex and int, and compute/validate an EIP-55 checksummed address.

Compute keccak256/sha256, a 4-byte function selector, an event topic0, or an ENS namehash/labelhash from a string or hex input.

extract emails, extract urls, extract phone numbers, extract hashtags, find emails in text, find phone numbers, parse contacts, extract crypto addresses, extract ethereum addresses, regex extraction, text entity extractor. Extract emails, URLs, phone numbers, hashtags, mentions, IP addresses, ethereum and bitcoin addresses from any text. Returns categorized arrays of found items. For AI agents parsing emails, scraping documents, content moderation.

extract keywords, keyword extraction, keyword extractor, text keywords, find keywords, top keywords, keyword finder, SEO keywords, content keywords, automatic keyword extraction, document keywords, keyword analysis. Extract significant keywords from any English or multilingual text. Returns top N keywords ranked by frequency and importance with stopwords filtered. For AI agents doing SEO analysis, content tagging, document categorization, search query expansion, topic modeling.

Delta of the MCP registry since a daily baseline: added, removed, and changed (score/status) servers — the cheap habit endpoint for repeat callers.

Forward-geocode a street address or place name (WORLDWIDE) to coordinates + parsed address components via OpenStreetMap Nominatim (public, keyless).

Archive coverage for a coin's liquidations over a window (≤7 days): which archived hours hold liquidations and where the gaps are. Warms the cache for everyone after. Priced floor ($0.001) + $0.05 per archived hour examined.

The most-recent N HIP-4 outcome-side rows (≤5000). Priced per row ($0.000025 premium); served live.

invinoveritas /execute — sandboxed Python that returns a SIGNED PROVENANCE PROOF of the exact output you recompute offline to confirm the run is untampered.

Distributed lock / idempotency primitive for multi-agent swarms. claim(key) returns a token if free (with TTL); release(token) frees it; check(key) reports whether held. Stops multiple agents from double-processing the same work item.

Native-coin balance + ERC-20 token balances (raw + human) for any address on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base). On Base pass token symbols or 0x addresses (or a default common set); on other networks pass explicit 0x token addresses.

rss feed parser / rss parser / parse rss feed / rss feed parse / parse rss / rss to json / atom feed parser / parse atom feed / RSS 2.0 parser / Atom 1.0 parser / xml feed parser / feed parser API / rss feed reader / feed aggregator. Parse any RSS 2.0 or Atom feed URL. Returns channel/feed metadata (title, link, description, language) and items array. Use ?url=https://hnrss.org/frontpage&limit=20. For AI agents monitoring news, blogs, content feeds.

Telegram channel analytics and statistics: subscribers and growth, average post views, reach, engagement and engagement rate (ERR/ERR24), plus mentions and forwards. A quick stats and health check of any public channel; individual metrics are populated where the channel exposes them.

Telegram audience analytics: subscriber growth chart for a channel, track audience growth or decline over time (day/week/month/year).

Telegram reach analytics: average post reach chart for a channel, how many people typical posts reach over time.

Telegram post analytics: a single post with its statistics over time, views, forwards and reactions. Measure how a specific post performed.

Telegram sentiment analysis, raw inputs: recent posts and reactions for a channel, group or topic to run your own mood or opinion analysis. For a ready LLM verdict use /v1/data/sentiment/llm.

Telegram content analytics and data extraction: pull structured entities from a channel's recent posts, links, @mentions, #hashtags, $cashtags, emails, phone numbers and bot commands. Contacts, tickers or outbound links at scale. Formatting-level entities, not semantic NER.

Telegram search and discovery: find public Telegram channels, groups and posts by keyword. Discover sources, communities, competitors or content on any topic.

Reference data for the Telegram analytics API: countries, categories and languages used for filters and targeting.

Telegram channel analytics and profile data: title, description, subscribers, category, country, language, links and verified flag. Vet a channel, enrich a dataset, or look up channel data in one call.

Telegram engagement analytics: engagement rate (ER), engagement rate by reach (ERR) and 24-hour reach engagement (ERR24) over time. Benchmark audience activity and channel performance.

Telegram channel data and monitoring: fetch recent messages and posts from any public Telegram channel or group. Monitor news sources, track updates, or feed content into downstream analysis. Optional `since` filters by date.

Retrieves a filtered list of supported assets with their metadata including address, symbol, name, decimals, and network information.

Fetch any public web page and return its main readable content as clean Markdown or plain text plus metadata (title), stripping nav/ads/boilerplate (trafilatura). Optional JS rendering via headless browser for SPAs; markdown or text output. Robots-respecting, public content only — the reader/scraper building block for RAG and agent pipelines.

Decode an EVM signature request (EIP-712 typed data, Permit/Permit2, or ERC-20 approve calldata) into a structured intent: what token, which spender, how much, until when, plus risk_flags and an action_hint. Deterministic, no LLM. Answers an agent's question 'what am I about to sign?'

Summarized depth, spread, and 24h volume profile for one market — Execution-quality summary per venue: depth within 1c/5c of the touch, spread in cents, and an hourly 24h volume profile. Pass notional_usd for a slippage estimate. Derived analytics only — raw order books are never mirrored.

Cheapest endpoint: liveness plus x402 payment pipeline check — Returns ok with the server time and whether this call was paid. Use it to verify your x402 client end to end before spending on data endpoints.