Paid services on Base matching “arc”

Payment receipt and settlement proof for x402 and agent payments, by Liquid Logic X. Input: a Base USDC tx hash (optional memo). Output: JSON proof recorded onchain on Arc mainnet (proofId, from/to/amount, Arc tx, refId) plus a public verify link anyone can check. $0.02 USDC on Base, charged only when a proof is returned. Your paying wallet must be the tx sender or recipient. Liquid Logic X also r

Ordered, ready-to-sign Aero allocate() transactions that spread an sAERO position over gauges on several chains (Base, Ethereum, OP, Arbitrum, Ink, Robinhood, Arc): the best split after each extra chain's ETH cost, or the percentages you give (?chains=5042:30,10:20). Plans from the position's state on every chain, with the ETH to attach, what each step waits for and a simulation of step 1. Never s

Long-term rental listings in Da Nang, Vietnam: search by district, property type, bedrooms and monthly price in VND. Use when an agent needs current rentals with prices, districts and listing URLs (contacts are on the listing page). One payment of 0.01 USDC buys 5000 calls on Base, Solana, Arc or Stellar.

A registry of token records with a build log. A record is written only by the token's provable controller (on Solana: the pump.fun curve creator or the mint's update authority) and every version carries that ed25519 signature, so a reader verifies against the chain, not a directory. One $0.02 x402 write in USDC on Base, Polygon, Solana or Arc; reads, pages, log and OpenAPI are free.

Preflight any address on Base or Arc before paying or approving it: EOA vs contract vs EIP-7702-delegated wallet, EIP-1967 proxy implementation/admin, owner(), Safe multisig threshold, ERC-20 metadata, USDC + native balance, Sourcify verification, and risk flags.

A quicker, cheaper ChainK9 check for bots that need a fast yes or no before buying a token on BNB Smart Chain, Ethereum, Base or Arc. It really buys and sells the token once on a fork of the chain, then reads the contract: honeypot, buy and sell tax, trade gas, ownership, owner functions in the bytecode, blacklist, proxy, liquidity and source checks. It skips /scan's extra trades and time-travel p

Accessibility findings — Numeric interval filter + Secondary-measure weighted mean: Numeric interval filter + Secondary-measure weighted mean for supplied accessibility findings records (findings, resolved_findings). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data

API recommendation and x402 discovery for your task. Required query: need. Which API should I call? Recommends which x402 API to use for any task, with evidence. Describe a task in plain words. Compare up to five paid APIs, URLs, prices, payment networks and invocation details. Includes paid delivery evidence and risk flags. Provider calls are paid separately. No picks / non-2xx is never charged.

Academic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed, OpenAlex, Crossref, and Semantic Scholar in one call, deduplicated into a ranked result set: title, authors, year, venue, abstract, citation count, DOI, and direct PDF link. Query by keyword or restrict to one source; filter by year range; sort by relevance, recency, or citations. Keyles

Read any URL: fetch up to 10 web pages as clean text in one call (web page reader, URL to text). Read web pages as clean text: pass ?urls=a.com,b.com (up to 10 in one call) and get each page title, meta description and readable body with script, style, nav and footer stripped, plus the final URL after redirects, the content type, the byte count and whether it was truncated. STATED PLAINLY BECAUSE

Score one name or a whole watchlist in one read. GET /api/board/name?sym=NVDA (or ?sym=NVDA,AMD,MSFT — up to 10 names, one price) returns each name's full Coil read: opportunity 0-100 + percentile, entry quality 0-100, trend state (cold / building / firing), hold strength, growth score, gap-risk, leadership flag, dollar volume, coil read and its book's regime. No READY / SETUP entry window here (s

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

Bulk web search — run up to 5 search queries in one paid call and get ranked results per query (title, URL, snippet, relevance score) as clean JSON. Same news, finance, date-range, country and domain filters as single web search, applied to every query. One payment instead of five for research fan-out, multi-query RAG retrieval and agent planning.

POST any JSON payload to any webhook URL with custom headers and method. Let your agent trigger downstream systems in one call. Pay per call with USDC (x402) or credits - archtools.dev

Get the full text of one web page. Give a URL; returns the page's own main content as clean markdown (up to 8,000 characters) with navigation and ads removed, unchanged and not summarized (use /summarize for a short version). Typical response 2 to 5 seconds. If the page cannot be read you get an error and are not charged.

Web search API for AI agents: live Google search results (SERP) for any query as clean JSON, with ranked title, URL, snippet and date, plus the answer box. Search the web or search news only; filter by date (past hour to past year), keep to or leave out up to 5 sites. A fast Google search API / SERP API for grounding, RAG, research, fact checks and finding sources. Results via Serper.

Wikipedia summary API - the plain-language summary of the best-matching Wikipedia article for a topic or query, in any language. Returns the article title, short description, summary extract, thumbnail image and canonical URL. A wikipedia / encyclopedia lookup for agents grounding answers on a topic. No match returns found:false. Data source: Wikipedia (CC BY-SA 4.0).

US motor carrier safety verdict by USDOT: authority, out-of-service, rating, crashes. Unverified raw FMCSA data, ~24h old.

Free proxy API: get one fast, verified-alive proxy (HTTP, SOCKS) filtered by country, protocol and anonymity, for scraping

Apple App Store product details (path variant) — full profile for a single app by product_id in the URL: rating, price, description, version history, screenshots & metadata as clean JSON.

Official US weather forecast from the National Weather Service (NOAA): multi-day and hourly periods for any US coordinates or street address. Temperature in Celsius and Fahrenheit, precipitation probability, wind speed and direction, and plain-language conditions. Authoritative government public-domain data, commercial use OK.

Twenty-Four daily math puzzle — four numbers to combine into exactly 24; deterministic solvable UTC daily challenge for agent reasoning benchmarks.

EU public procurement tender notices from the official TED (Tenders Electronic Daily) v3 API, filtered by CPV product/service code, country of performance and free-text keywords over a recent publication window; returns structured JSON per notice with title, buyer, deadline, publication date, CPV codes, notice URL and German PDF link.

Drop-in Exa-compatible search: the same request (query, numResults, category, includeDomains, excludeDomains, startPublishedDate, contents.text, contents.highlights) and response format (results with id, title, url, publishedDate, author, score, text, highlights) as Exa /search, on Google-quality authority-ranked results, $0.006 with page text included (Exa: $0.007 + per-page fees; resellers $0.01

For an investment theme (e.g. HBM, 유리기판, 원전, robotics), the Korean listed companies linked to it with evidence graded confirmed / circumstantial / expectation: DART filing snippets with receipt numbers, regional revenue, earnings and order headlines, and price context since the signal. Separates real revenue from theme hype.

Find public dataset catalog entries in GovData (Germany) or open.bydata (Bavaria): titles, short descriptions, publisher, source/identity links, source modification date, per-resource license references and access/download links. One catalog GET, up to 10 datasets; never downloads the actual source files. No API key needed.

Hotel details & rates — one hotel's full profile by property token: address, phone, per-booking-site nightly & total rates, rooms, amenities & review breakdown as clean JSON.

Android app details by package name (e.g. com.whatsapp): title, developer, description, what's new, screenshots, icon, rating, installs, category, tags, price, required Android version, Editors' Choice, latest version and APK download availability. Google Play app metadata in one JSON record, for app research, app-store intelligence and catalog enrichment. Keyless pay-per-call in USDC on Base or S

Reddit comment-thread scraper — the comment tree of any Reddit post for AI agents. Pass a post URL and get the post plus its nested comments (depth- and limit-controlled): for each comment the author, body, score, nesting depth, parent id, permalink, OP flag, and timestamp; a truncated flag plus totalComments show when a thread has more than returned. No login, no Reddit API key. Analyze discussio

Google Maps local business search by place name — find places by query and a free-text location (e.g. 'Austin, Texas'), no coordinates needed; returns Google's local-pack results as clean JSON.