api.annalist.dev
Liquidation pressure across Hyperliquid's largest perps: for each, the known longs liquidating within 5% below the mark and shorts within 5% above it, cascade ratios against order-book depth, 2% depth, how much of open interest the known positions cover, and flags; plus the coins with the most liquidations nearby. Aggregates only. Signed. Not investment advice.
$0.03 USDC
api.marketintelligenceapi.com
Euro bond yields and ECB interest rates: euro area government spot yield curves (AAA and all issuers, 3M to 30Y) with daily changes and 2s10s/3m10y slopes, the key ECB rates, and 10-year yields per country with spreads vs the Bund. Use for the euro rate backdrop.
$0.01 USDC
api.invoket.com
Before your agent buys, lists or insures a vehicle: decode any 17-character VIN offline — manufacturer, country and region of build, model year, check digit validity and deterministic attributes from the official NHTSA vPIC tables
$0.01 USDC
keyless.run
LLM chat completion with no API key or signup (Claude Haiku class, anthropic/claude-haiku-4.5). OpenAI-compatible: set your SDK base URL to https://keyless.run/smart/v1. Flat $0.01 per call, up to 1000 output tokens. Charged only on success.
$0.01 USDC
solar.nsgoods.org
Signed full 50-state plug-in solar legality dataset. Free preview: GET /solar-legality/preview If the signer is unavailable it returns 503; you are never charged for an error.
$0.02 USDC
api.annalist.dev
Price history of an x402 service by host or URL: each listed endpoint's price, first-seen date and changes, price changes in 30 days (raised, lowered, delisted), the prices it actually quoted when we called it, and where it sits against similar services by category (market median and percentile). Signed.
$0.01 USDC
sanctions.nsgoods.org
Use this before an AI agent pays an x402 endpoint: give the endpoint URL, we read its own 402 quote, pull every payTo (all networks) and screen each against OFAC, UN, EU and UK lists. Signed per-payee and overall verdict: deny on an OFAC match, review on a UN/EU/UK match or an unavailable list, clean otherwise. $0.01 in USDC on Base or Solana. A bad, unreachable or non-x402 URL returns 400, 422 or 502, not charged. Free preview: GET /screen-url/preview
0.01 tokens
mimirapi.com
Data to chart in one call: a numeric series rendered as a deterministic 800x400 line or bar chart SVG with optional labels and title. No charting library, no browser — an agent composing a report gets a predictable picture of its numbers.
$0.01 USDC
402.com.tr
Parse a bank CSV (comma/semicolon/tab, quoted fields) and map common headers (date/amount/debit/credit/balance/description, TR aliases) into one schema. Up to 500 rows. Best-effort.
$0.01 USDC
ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws
Live weather API. Returns real-time weather conditions, temperature, feels-like temperature, humidity, wind speed, precipitation, and UV index for any city worldwide — live external data an LLM cannot know on its own. Supports metric/imperial units, 74 languages, and optional 3-day forecast and sun/moon astronomy data.
$0.01 USDC
api.annalist.dev
One call, one payment for everything on a Hyperliquid perpetual: crowd state with base rates for what usually followed (as /v1/crowd/perp), smart-money positioning (as /v1/smart/perp) and liquidation levels with order-book depth (as /v1/liq/perp), each with its own as_of. Cheaper than buying the three separately. Signed. Not investment advice.
$0.03 USDC
api.annalist.dev
Hyperliquid's own market-making vault (HLP), which takes over liquidated positions: account value, APR, PnL over a day, week, month and all time, and its net position per coin across all its sub-vaults, with the most long, most short and biggest 24h changes. Shows where the exchange itself is exposed. Signed. Not investment advice.
$0.01 USDC
api.annalist.dev
Leaderboards from our independent checks of x402 services: most real (wash-adjusted) paying customers, most reliable, and flagged services (price or wallet mismatches, outages, mostly bot traffic, self-funded volume), with the method. With category= (shopping, ai-inference, crypto-data...), one category's boards. Rankings are never for sale. Signed.
$0.02 USDC
resolve402.dev
Render Markdown into a clean PDF (headings, paragraphs, bold/italic/links, nested lists, code blocks, blockquotes, simple tables, page numbers, PDF bookmarks from H1-H3, internal #anchor links, embedded Unicode font: Latin, Greek, Cyrillic, €). POST JSON { markdown, title?, paper?: "A4" | "Letter" } (max 200k characters), get application/pdf back. For hosted agents that must deliver a report, a memo or an invoice as a file. Nothing stored.
$0.01 USDC
ausref.dev
Simple statutory interest on a principal at the cited statutory-interest series rate (Actual/365 simple). A series with no numeric rate is refused free
$0.02 USDC
presign-guard.fizzl.eu
Wallet approval audit (green/orange/red, grade, one-line summary): every open ERC-20 allowance of an EVM wallet with who the spender is (flagged, plain wallet, unverified, unlimited) and which ones to revoke. Bulk: 100 checks for $0.80 via /v1/credits.
$0.02 USDC
api.annalist.dev
Leaderboards from our independent checks of remote MCP servers in the Official MCP Registry: most reliable (up in 99%+ of probes, fastest first), servers whose tool definitions changed in the last 7 days, flagged servers (often down, new domains), and counts by sign-in mode, with the method. Rankings are never for sale. Signed.
$0.02 USDC
u2a.com.au
Flags exact and normalized duplicate invoices using invoice number, vendor, amount, and date fields with source indexes.
$0.01 USDC
api.thaikit.dev
Convert a Gregorian date to the Thai Buddhist Era calendar (พ.ศ., year + 543) in Thai long, full, short and Thai-digit formats. Query: ?date=2026-10-18
$0.005000 USDC