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Spot price: the on-chain DEX price for SOL, BTC or ETH, the median of deep USDC pools on Solana, Ethereum and Base read from chain state, and the pools that served it. Use when you need to answer: What is the spot price, without picking a venue? Any other symbol answers 400 with the supported list and is never billed.

Answer a question about an image, or describe it, from a URL or base64. Image understanding pay-per-call, no account and no API key: send an image URL (or base64) and an optional question, receive a plain-language answer from a multimodal…

Send email notification for payment confirmations, alerts, receipts.

Your own purchase history, keyed to the wallet that pays for the call - no wallet parameter, no signup: the x402 payment IS the identity, so nobody can read another wallet's profile.

Focused honeypot check: a live buy-then-sell simulation against real DEX liquidity (Aerodrome, Uniswap V2/V3/V4). Tells an agent whether the token can actually be SOLD, the round-trip loss percent, and whether GoPlus or honeypot.is flag it too. Catches sell-blocking scam tokens, extreme sell taxes and no-liquidity traps before a buy is placed.

Search the news: news articles for a search, each with its headline, address, outlet, a line of text and when it was published. Use when an agent needs the latest news articles on a topic, optionally only from the past day or week. $0.01 this call, in USDC on Base; you pay only if it succeeds. HivemindOS SuperAgent API.

Get Arkham intelligence for an address. $0.20 per call.

Give it a latitude and longitude and it answers with what the nautical chart says about the water there: the depth range of the charted depth area containing the position, the nearest charted sounding and how far away it is, and the chart's own zone of confidence for that area. Parameters go in the query string: this is a GET, there is no body. NOT FOR NAVIGATION, stated first because it is a cond

One HTTP request per host, matched against an in-house signature set. Every hit carries a confidence value from 0 to 100 and the evidence it rests on: response header, asset path, cookie name, meta generator, DNS or ASN record. Results are cached for 24 hours per host, so a repeat lookup of the same domain answers from cache.

Paid AI-agent access to Blockchain.com Explorer API

Wikimedia Commons image search (MediaWiki API, public, no key): file title, direct image URL, size, MIME type, license, author and description for free-licensed files. Returns file metadata only, not image bytes.

Resolve DNS records using DNS-over-HTTPS and return structured JSON for infrastructure, security, and agent workflows.

ANTHROPIC-COMPATIBLE /v1/messages — Claude Haiku 4.5 through the exact Anthropic API dialect: same request/response shape, no Anthropic account, the x402 payment IS the auth. Point an Anthropic SDK's base_url at https://api.webbersites.com and pay per call. Caps: 16,000 input chars, 1,024 output tokens (max_tokens clamped), text-only, no streaming.

Get Smart Money Holdings Data

Psychrometric calculator for HVAC engineering: from any two of dry bulb, wet bulb, dew point, RH, humidity ratio, enthalpy or grains, the full moist-air state (plus specific volume, density, vapor pressure) at any elevation, IP or SI. ASHRAE Fundamentals 2021 equations, cross-checked against PsychroLib. Shows every step with the numbers and ASHRAE references. $0.002 USDC per call.

Price a swap without building a transaction. Returns expected input, output, and gas without constructing an executable transaction. Quotes are informational and can change with liquidity and chain state.

Returns a single random fact as JSON in exchange for a micropayment.

Read back values the paying wallet saved with /paid/memory/set: one key, or list your keys by prefix (keys, sizes and expiry, newest first). Another wallet can never see them. No free trial.

IP address lookup for one public IPv4 or IPv6 address: country, region and city (a city-level estimate with coordinates), continent, and network (ASN number and organisation). Use for fraud checks, analytics or routing. Not for finding a street address or a person. Local database, no third-party call per lookup. Typical response under 100 ms. Failed calls are not charged.

Compress long documents and RAG inputs into token-budgeted, deduplicated context packs with source-linked provenance. Returns original and compiled token counts, so the saving is verifiable. Net-positive above N = fee / (r x p) tokens: r your reduction, p your input price. Extractive and budget-bound, so check includedPassages before relying on it. Ranks Latin, Cyrillic, Greek, Arabic and CJK; CJK

Web search API for AI agents — find current information, news, documentation, competitors, prices or any fact that needs a fresh, citable source. Pay-per-call, no API key. Returns ranked results with title, URL, snippet, publish date and source from neural + keyword search over the live web, with automatic provider failover. Use when an agent asks: search the web, look up the latest on a topic, fi

Generates random UUID v4 values, returns a JSON array of UUID strings

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.

Monthly Australian thermal coal reference price in USD per metric ton (World Bank series PCOALAUUSDM, via FRED). Not the Newcastle FOB spot index or Richards Bay prices; the route name is kept for the owner. Latest value plus up to 24 months of history.

Hiking trails from OpenStreetMap (via the free Waymarked Trails API), not from AllTrails, which blocks automated access: search by trail name or list routes around a point. Per trail: OSM ID, name, ref, network level, length in km, loop/linear, hardest OSM sac_scale difficulty, surfaces, operator, website, Wikidata, description and center point. No user ratings, reviews or photos (OSM has none). C

Structured evaluation with TypeSafe's Jev (System One) model. Send any state plus typed questions — noul (true/false), choice (pick one), or score (ordinal scale) — and get back calibrated probabilities and confidence for each. Built for routing, classification, triage and policy checks where a fast, predictable, machine-readable answer beats prose.

Web search that returns structured SERP results as JSON. Runs on a dedicated SearXNG instance aggregating multiple engines, so there is no per-engine API key, quota or HTML scraping to manage. Each result carries title, URL, snippet, the source engine and a published date where available. Choose general web, news, or image results, up to 10 per call. Use it to ground an answer in current web sourc

Real-time and ML-forecasted Bitcoin (BTC) price. Kronos deep-learning model: up-probability, expected close, price range, p10-p90 quantiles, forward volatility across 1h/4h/24h horizons. Crypto price prediction / price forecast API for AI agents and trading bots. Pay-per-call via x402 on Base USDC. Live scored track record at /api/stats — measured on served predictions, not a backtest.

Discovery endpoint listing all 17 available structured-data extractors and the domains each one supports, so an agent can decide whether /extract can handle a given URL before paying for it.

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