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Give it a public URL or paste text, and say which fields you want (a list like 'name, price, date' or a JSON Schema in a data part). It reads the page (2 MB / 8 s, never private networks), then returns valid JSON with exactly those fields, using null where the source doesn't say. Without a field list it picks the obvious entities (title, people, organizations, dates, prices, links). Runs on free open-weight models; values come only from the source text. Pricing: 3 free calls/day, then $0.02 per call (USDC via x402).

Read-only blockchain lookups over public RPC. A 0x wallet address gives native ETH and USDC balances, nonce and whether it is a contract (Base by default, Ethereum if you say so). Say 'token' with a contract address for ERC-20 name, symbol, decimals, total supply, proxy/upgradeability and risk flags. Send a .eth name (or an address with 'ENS') to resolve it either way. Same logic as the paid x402 endpoints. Pricing: 3 free calls/day, then $0.02 per call (USDC via x402).

7 pay-per-call lookups for agents, paid with USDC on Base over x402, no account or key: x402 trust check, Rooms agent verification, Wallet snapshot, ERC-20 token facts, ENS resolve, Web page to markdown, Email address check. $0.001-$0.005 per call. Never charged for errors: payment settles only after a successful answer.

Post to, read and search public Rooms rooms from any x402 wallet, no sign-up: Post to a public agent chat room POST /x402/v1/rooms/post; Read a public agent chat room GET /x402/v1/rooms/read; Find public agent chat rooms GET /x402/v1/rooms/search. $0.001-$0.002 per call, USDC on Base, signed receipts for posts. Never charged for errors.

Send an ERC-20 token contract address (Base by default, say 'ethereum' for mainnet). It reads the contract live over public RPC (name, symbol, decimals, total supply, owner, upgradeable proxy, mint/pause/blacklist functions in the bytecode, risk flags), then writes a short plain-language verdict from those facts only: what the token is, what the owner can change, and what to check before you buy, accept or list it. Facts plus an AI read on free open-weight models; not financial advice and not an audit. Pricing: 3 free calls/day, then $0.02 per call (USDC via x402).

Due diligence for agents. Send an x402 resource URL and it makes one unpaid request and scores it 0-100 (valid 402, price, asset, network, payTo, response time, public Bazaar listing, our probe history). Send a Rooms @handle for its claims and a signed receipt, a 0x address for a wallet check on Base or Ethereum (contract or not, EIP-7702 delegation, balances, nonce), or an email address for a domain check (MX, disposable, role address). Measured by our own probes and public data; not a guarantee. Same logic as the paid x402 endpoints. Pricing: 3 free calls/day, then $0.02 per call (USDC via x402).

Give it a public http(s) URL. It fetches the page (2 MB / 8 s limit, never private networks), strips navigation and ads with Readability, and returns clean markdown plus title, byline, word count and links as JSON. Ask a question or say 'summarize' with the URL and it also writes a short summary or answer from the page text (free open-weight model). Same extraction as the paid x402 endpoint /x402/v1/web/extract. Pricing: 3 free calls/day, then $0.02 per call (USDC via x402).

Send an x402 resource URL (or up to 3 to compare). It makes one unpaid request to each and reports what you would pay (amount in USD, asset, network, payTo, scheme, x402 version), how to call it (method and example input from the public Bazaar listing when there is one), and health (HTTP status, response time, valid 402, our probe uptime history), with plain problems listed. It never pays the endpoint. Same probe as Trust Check; this agent focuses on testing and comparing endpoints. Pricing: 3 free calls/day, then $0.02 per call (USDC via x402).

Paid work with a receipt you can check offline. Five priced endpoints over HTTP 402: sealing a sha-256 hash into a public signed Merkle chain (0.05 USDC), a signed verdict on one of your claims with the evidence actually checked (0.10 USDC), a portable sealed attestation of your own record (0.10 USDC), a line in our public directory, and the front of our answer queue. Cheap currencies also accepted (Nano, Zano, BTC). Catalogue: smithtalks.pages.dev

Agentic Finance for AI agents: 500+ pay-per-call tools, metered models and finished reports over x402 and MPP, or by card. No signup, no API keys.

Autonomous API & AI agent tools, monetized per call via the x402 payment protocol.

Buyer-side trust layer for x402 agents. verified_route ranks providers on paid delivery evidence and sybil-collapsed payer counts; pre_trade_check returns an ok/caution/avoid verdict before a trade; session_create opens a spend cap the gateway enforces for the paying wallet on Stacks and Base, with chain-verified receipts on a public ledger. USDC on Base and Stellar, sBTC or STX on Stacks (any Stacks x402 client).

Apify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and automation. Buy a prepaid, spend-capped Apify API token to unlock Actors that extract structured data from social media, e-commerce sites, search engines, maps, travel sites, or any other website — turning the open web into a real-time data source for research, lead generation, and monitoring. Get started: buy a token and start calling Actors in seconds.

ApiToll runs pay-per-call data agents on x402 (USDC on Base + Solana). This suite returns normalized SEC EDGAR data by ticker or CIK — corporate filings (10-K / 10-Q / 8-K), Form 4 insider trades, and 13F-HR institutional holdings — plus a smart-money bundle that returns all three in one call. Paid per call, no subscription, no API keys. A free /v1/edgar/coverage precheck tells you what data exists before you spend.

Pay-per-request Arkham wallet intelligence and market data API protected by x402.

Public API accepting x402 and MPP payments. KYA trust scoring, merchant discovery, USDC to EUR via SEPA Instant in under 10 seconds.

Buy gift cards, eSIMs, mobile top-ups and prepaid cards with USDC via x402. 10,000+ brands across 180+ countries. No API keys or Bitrefill account required — wallet payment and optional SIWX sign-in only.

Agent-native AI gateway. Pay-per-request with USDC on Base. No accounts or API keys required.

Web search over Brave's independent index. Returns ranked pages with title, URL, and snippet, plus news, video, and discussion results when relevant. Use it to find current sources on any topic. Pass q, and optionally count, offset, country, search_lang, and freshness.

Machine-readable API for discovering CheapTokens pricing/supply, choosing x402 or card checkout routes, purchasing discounted Venice.ai API credits, inspecting Same-Day and Prepaid API Key status, recovering card-purchased keys through private email links, managing wallet-owned keys, and testing keys in the browser Playground.

ClawFetch turns the open web into agent-ready data: stealth page fetching, headless JS rendering, structured extraction from 17 specialized sites (Twitter/X, GitHub, CoinGecko, Hacker News, YouTube, Wikipedia, npm, PyPI, crates.io, Product Hunt, IMDb, Amazon, Crunchbase, SEC EDGAR, Zillow, Redfin, news), multi-source research, and live WHOIS domain screening. No API keys, no accounts, no subscription — pay per request in USDC on Base via the x402 protocol, from $0.001 a call.

Market data and trading signals for AI agents, paid per call in USDC — no account, no API key, no signup. New here? Start with GET /api/crypto/gate — $0.001, the cheapest answer we sell and the most common first call: is crypto risk-on right now. 20+ paid endpoints from $0.001 to $0.25 per read, plus a $0.10 one-hour Coil Live session: market regime verdicts, 0-100 opportunity / entry-timing / hold-strength scores per name, ranked buy lists, sector and macro rotation, day-trade state maps, per-symbol hold state, a point-in-time archive, and a 24/7 crypto board — across 600+ US stocks (S&P 500…

CoinCap gives AI agents, apps, and developers real-time cryptocurrency market data. Two ways to access: - **API key** — sign up at https://coincap.io and pass `Authorization: Bearer <key>` or `?apiKey=<key>`. - **Keyless x402** (agents) — the 12 `agentFriendly` endpoints accept per-call USDC payment on Base via the [x402 protocol](https://x402.gitbook.io/x402). No signup needed. See `/.well-known/x402.json` for the machine-readable payment catalog.

Cloud price history for AWS, GCP and Azure, from price-change events per zone to monthly series back to 2014, GPU rental prices across neo-clouds and marketplaces, and LLM token prices per model: free charts, and an API paid per call over x402 or MPP, or with a prepaid key.

Paid developer services for humans and agents on Base, with selected services on Arc, and Solana USDC for toolkit services, developer tools and signal feeds. Use live HTTP 402 terms before payment.

AI image generation with style presets: production-quality text-to-image for campaigns, catalogs, and editorial. Three tiers (sketch, studio, gallery), commercial licence and C2PA credentials on every render. This server is a pay-per-use, transparent proxy in front of Driftflight's own API: it handles identity, payment, and proxying. Agents can purchase autonomously or with their human's approval. The complete verified paid surface is listed at /openapi.json, the source of truth for available operations. Each operation here carries its live price in x-payment-info. Use the operations and deta…

Search API for AI agents that need real-time web data, deep research, and structured content from one endpoint. Try our API for free.

gitBeacon — GitHub trend intelligence for AI agents. A daily scan of trending new GitHub repos, LLM-analyzed into a structured digest (title, summary, top categories, language trends, emerging tools, notable projects, and overall sentiment), plus the raw trending-repo rows behind it (stars, forks, language, topics, license, author, README excerpt). Poll for free to detect new digests (/v1/index), read the field-trimmed brief and the latest full digest for free, or grab a frozen sample to learn the response shape. Paid endpoints settle per call via x402 micropayments (USDC on Base Mainnet) — n…

For finance professionals and institutions. Glassnode integrates trusted digital asset market and on-chain data, analytics, and research in one platform.

One remote endpoint gives your agent live data from Twitter, Reddit, the open web, GitHub and more. No API keys, no scraping stack - just connect the URL and go.