Documents & PDFs: MCP servers, A2A agents and x402 APIs

Tools for reading, writing and converting documents: PDFs, spreadsheets, OCR and office files. 249 listings in the Rooms directory, 248 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.

agent.halowerk.com Live x402
Takes two state documents — target (what the twin should look like) and observed (what was measured) — and returns a leaf-by-leaf comparison. Every leaf path carries one of five states: in_tolerance, out_of_tolerance, m…
x402 paid API · 3 endpoints · check 88/100
agentindex.world Live x402
Fresh operational audit of any public agent or paid API: reachability, latency, HTTP status, x402 challenge, price/network/payTo, OpenAPI, agent card and MCP manifest. Returns a 0-100 score, verdict and issues. Try GET…
x402 paid API · 12 endpoints · check 88/100
clinkagent.com Live x402
What do the prediction markets say? Pass a question, get a finished read an agent can use directly: the best-matching market on Polymarket and on Kalshi with implied probability and 24h/7d moves, the cross-platform gap…
x402 paid API · 12 endpoints · check 88/100
dt0ur.online Live x402
Look up a transaction by hash on base, ethereum, arbitrum, optimism, polygon, bsc: status (success/reverted/pending), block and timestamp, from/to, value, gas used, fee in native coin and USD, method selector, created c…
x402 paid API · 12 endpoints · check 88/100
sitecheck-api.workers.dev Live x402
EU VAT number check: format and checksum are tested locally first (a malformed number is rejected with HTTP 400 and no charge), then the official VIES service answers whether it is valid, with the registered name and ad…
x402 paid API · 12 endpoints · check 88/100
stableflare.dev Live x402
Capture a screenshot of any URL or HTML. Returns a PNG or JPEG image. Supports full-page, element selection, custom viewport. (4 paid endpoints on stableflare.dev.)
x402 paid API · 4 endpoints · check 88/100
tanod.dev Live x402
chainpeek (Tanod) ENS resolution: forward-resolve a name, or reverse-resolve an address with forward verification, on Ethereum mainnet. Read-only. Use when an agent must turn an ENS name into an address, or an Ethereum…
x402 paid API · 12 endpoints · check 88/100
agdata.shveik.dev Live x402
Screenshot API for AI agents: send {url} and get a JPEG, PNG, WebP or PDF of the page as base64 in JSON, with final URL, byte size and pixel size. Pick a desktop, mobile or tablet viewport, full page, dark mode, a delay…
x402 paid API · 12 endpoints
agents.daedalusdevelopmentgroup.com Live x402
DDG agent-payable service request (248 paid endpoints on agents.daedalusdevelopmentgroup.com.)
x402 paid API · 12 endpoints
agentwork.run Live x402
Website change monitoring / webpage change detection — text_sha256 or previous_text diff for documentation, pricing-page, changelog and policy monitoring. Batch up to 10 URLs in one call (items[]); optional CSS selector…
x402 paid API · 3 endpoints
ausca.com Live x402
Start one renewable random receive-only temporary email address, then wait for and read bounded inbound mail. Use it as a disposable email or throwaway inbox for agent workflows, and extend the same active address when…
x402 paid API · 6 endpoints
clink-lithium-vault.fly.dev Live x402
X/Twitter search for AI agents - live tweets via advanced search: from:user, exact phrases, #hashtags, min_faves, lang, since/until dates. Returns up to 20 newest matches with author, followers, likes, retweets, views,…
x402 paid API · 12 endpoints
convert.guru Live x402
Detects the likely real file format from filename, file creation time, file size, and the first 200 bytes of the file. Identifies common formats such as PDF, DOCX, XLSX, CSV, JPG/JPEG, PNG, WEBP, HEIC, TXT, HTML, MP3, W…
x402 paid API · 2 endpoints
distribution.openverbs.com Live x402
Student's t distribution with df degrees of freedom (> 0). `function` selects the density (pdf), cumulative distribution (cdf) or quantile / inverse-CDF. (4 paid endpoints on distribution.openverbs.com.)
x402 paid API · 4 endpoints
embed.gedx402.com Live x402
Rerank documents against a query with BGE Reranker Base (@cf/baai/bge-reranker-base). POST query plus documents[]; returns relevance scores for search and RAG pipelines.
x402 paid API · 1 endpoint
geld-machen-x402.fly.dev Live x402
JSON micro-tool for agents: GET ?url= (or POST url / image_base64) → local Tesseract OCR (English-first): text, word_count, confidence, width/height, fetched_at, timing_ms. COGS=0 — no upstream OCR API key. Demand-match…
x402 paid API · 4 endpoints
horizonpulse.dev Live x402
Crypto market data. Use when you need current BTC, ETH and SOL spot prices in USD. Call GET with no parameters. Returns JSON: assets.BTC/ETH/SOL with priceUsd, change24hPct and momentum (bullish/bearish/neutral), plus o…
x402 paid API · 12 endpoints
hydratrader.ai Live x402
Summarize text. Classify sentiment. Rewrite. Extract keywords. Translate. When to use: cheap agent glue / probe steps for buyer-supplied text. Returns JSON for $0.01 per call in USDC on Base via x402. No API key. Local-…
x402 paid API · 9 endpoints
ical.openverbs.com Live x402
Build a valid .ics document from event fields (summary, start/end, location, …). (2 paid endpoints on ical.openverbs.com.)
x402 paid API · 2 endpoints
invoket.com Live x402
Before your agent advises on EU compliance or cites EU law: check an act or article is in force at a given date, by CELEX or ELI identifier — consolidated text, status, validity dates and the staggered date it becomes A…
x402 paid API · 12 endpoints
iot.halowerk.com Live x402
Groups caller-supplied scalar field changes by field name, selects the highest version, and reports a conflict when equal-version values differ. It does not connect to a twin platform, merge nested documents or resolve…
x402 paid API · 10 endpoints
losbeto.xyz Live x402
LLM inference as a pay-per-call commodity — ask anything (?q=...) and get the first live answer from a multi-provider failover chain (Groq, Gemini, paid tiers when configured). One flat price, any subject, no API keys..…
x402 paid API · 12 endpoints
mart402.com Live x402
PDF facts before you pay for parsing: page count, metadata, per-page text volume, scanned-or-not estimate. 0.001/call. (21 paid endpoints on mart402.com.)
x402 paid API · 12 endpoints
medien.halowerk.com Live x402
Takes two documents, by URL, inline base64 or raw text, extracts the text of each and compares them. Paragraphs are the unit: the answer lists every block that was removed, added, or kept but reworded, and for reworded…
x402 paid API · 12 endpoints
oracles-production.up.railway.app Live x402
Full stored detail for a single crypto & digital assets rule by Federal Register document ID (e.g. 'fedreg:2026-14090') — title, issuing agency, rule type, effective date, and 1-10 compliance-impact score. Covers digita…
x402 paid API · 5 endpoints
puptra-pdf-snapshot.saastemly.com Live x402
The page's rendered content as Markdown. (5 paid endpoints on puptra-pdf-snapshot.saastemly.com.)
x402 paid API · 5 endpoints
resolve402.dev Live x402
Hiring signals of a company: open jobs read from its public ATS board (Greenhouse, Lever, Ashby, SmartRecruiters, Recruitee, Personio, Workable, Teamtailor, Workday), summarized as buying signals (volume, last 30 days,…
x402 paid API · 9 endpoints
screenshot-api-production-fe7e.up.railway.app Live x402
Render an http(s) URL to a PDF (A4/A3/Letter/Legal/Tabloid) with print emulation; returns a JSON envelope with the PDF base64-encoded under pdf_base64, plus final_url, title, format, and size. (2 paid endpoints on scree…
x402 paid API · 2 endpoints
strale.io Live x402
OCR on any image via Claude vision. Works on screenshots, photos of documents, handwritten notes. Returns text with confidence. (152 paid endpoints on api.strale.io.)
x402 paid API · 12 endpoints
vennatta-core.onrender.com Live x402
Extract structured text, summaries, or metadata from supplied document text or a public HTTP(S) document URL. (3 paid endpoints on vennatta-core.onrender.com.)
x402 paid API · 3 endpoints
visual.hugen.tokyo Live x402
Screenshot any public URL — returns base64 JPEG/PNG with metadata (page title, file size, render time). Full-page scroll capture, CSS selector targeting, device emulation (iPhone 15 Pro, Pixel 7, iPad Pro 12.9), dark mo…
x402 paid API · 4 endpoints
web.cyberwarex.com Live x402
Read any live web page as clean, LLM-ready text. Renders JavaScript in a real browser, then strips navigation, ads and boilerplate. Use it when a plain HTTP GET returns empty or garbled HTML: single-page apps, dynamic f…
x402 paid API · 5 endpoints
web.tollkit.dev Live x402
PDF to text: give a PDF URL, get the text of every page with the title, author and page count. For RAG, research and summarizing reports, filings and papers. (6 paid endpoints on web.tollkit.dev.)
x402 paid API · 6 endpoints
workbot1.oddsys.org Live x402
Live foreign-exchange reference rates (European Central Bank daily fixes, ~30 major currencies): any cross-rate from any base, optional amount conversion. Refreshed daily; response carries the rate date. (13 paid endpoi…
x402 paid API · 12 endpoints
zoll.halowerk.com Live x402
Matches declared classification tokens against a supplied published dual-use control list. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; sourc…
x402 paid API · 8 endpoints

Related capabilities

x402 paid APIs Payments Video & audio Research Legal & compliance Email Translation Summarization & writing

How to use one

MCP servers plug into Claude, ChatGPT, Cursor and other AI clients; A2A agents take tasks over JSON-RPC; x402 APIs charge per call in USDC with no account. Guides: A2A vs MCP · How to call an A2A agent · x402 for agents.

Run one of these? List it free or claim its listing for uptime monitoring and a badge.