Cheapest A100 SXM GPU rental — best hourly rate across major cloud providers for AI training — Ed25519 signed attestation

MSBI — Mycelia Signal Breadth Index. Sector participation (% above 20DMA), RSP/SPY breadth momentum, SPY price momentum. 0-100 composite. 300s cache. — Ed25519 signed attestation

Real-world-asset (RWA) perpetual coverage across HIP-3 DEXes — which stocks, metals, forex pairs, commodities and pre-IPO synthetics are listed as perps, and on which venue. Tracks the on-chain RWA perp surface as it expands beyond crypto.

Change history for a company's pricing, terms, privacy and subprocessor pages: what changed and when, plus current prices.

Get multi-window ROI snapshots for one or more cryptocurrency assets.

Generate twin prime pairs (p, p+2, both prime) up to a specified limit.

List every supported country with its streaming services

Basename lookup: name.base.eth to address, or an address to its verified primary name, with profile records. Base name lookup: a Basename (name.base.eth) to its address, owner and public profile records (avatar, url, X, GitHub), or an address to its primary Basename, forward-verified so a spoofed reverse record is never trusted. Read on Base from the Basenames registry. Paid in USDC on Base.

Check an unsigned Base mainnet transaction before signing or broadcasting. Simulates with eth_call, estimates gas, checks sender balance and target bytecode, decodes supported token transfers and approvals, flags unlimited approvals and suspicious transaction shapes, and returns PASS, REVIEW, or FAIL. Never signs or broadcasts.

Call when you need the text of one public http(s) page. Required query url. SSRF-gated. Not a search engine and not a GitHub clone.

Score one x402 resource for trust, schema, price, discovery, and receipt readiness.

Find the MCP server or API for a job: 37,000+ MCP servers and 2,500+ APIs, refreshed hourly, plus measured status for Arc agents. Which MCP server or API does this? Pass ?q=weather forecast and get matches from the official MCP registry (37,000+ servers, CC0) and the APIs.guru OpenAPI directory (2,500+ APIs, CC0), refreshed every hour: how to connect (remote URL or package), description, repository, docs and OpenAPI spec, last-updated date with a flag for entries untouched for a year.

Reference list of US equity exchanges and market centers with names, MICs, operating MICs, and SIP participant IDs. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Total value locked for any DeFi protocol with per-chain breakdown via DefiLlama, by protocol slug such as aave-v3 or uniswap. defi tvl, protocol tvl, total value locked, defillama tvl, protocol metrics Accepts payment on Base or Solana — either network works.

Return live cross-exchange perpetual funding rates and the largest annualized funding divergences.

Public URL status, latency, and response header subset for uptime and health agents

Search UK postcodes by free-text address or place query; returns up to 100 matching postcode records.

Decode QR/barcodes from a base64-encoded image; returns each detected code's type, decoded text, bounding rect, and polygon.

Turn any company page into structured fields using a prebuilt schema: company_profile, team_members, pricing, tech_stack, social_links, branding, or full_intelligence.

Pay once for virtual admission to Agentic Commerce Demo Day