All projects on Base matching “demand”

Daily state of the x402 agent economy: observed USDC inflow, seller ranking, category demand, growth, and coverage. Reports its real observation window; concentration adjustment applied only when scan coverage supports it. A FREE register-wide change digest covering the same domain is market_digest on the x402-observatory gateway; buy this for the derived figures, not for what merely changed.

x402 market intelligence with current catalog-attributed USDC flow, address-level demand signals and separately labeled value-matched history. The headline covers Base only (market.universeChains); the multi-chain picture ships alongside it as ecosystem, split into an RPC-proven floor and an indexed upper bound that are not additive (notASum). Attribution is not exclusive protocol-intent proof.

Use Check for a changed/unchanged signal and optional compact text diff. Exactly one URL or existing watch ID; URL plus rules can create a watch, whereas watch_id reuses saved rules and forbids overrides. Use Smart Diff for structured changes. On-demand only; x402 $0.005 USDC on Base, including cache hits.

US trademark screening for print-on-demand phrases. Checks 1-10 phrases against live USPTO marks in chosen Nice classes, default 9, 16, 18, 21, 24, 25, and returns a risk verdict high, medium, low or none with the matching marks, their status and owners. $0.01 per call.

Multi-carrier package tracking. Live: FedEx, USPS, DHL. In rollout: UPS. Roadmap (returns 'coming soon' to log demand): Canada Post, La Poste, Royal Mail, Australia Post, Evri, Deutsche Post, PostNL, China Post, Japan Post, India Post, Correos, Poste Italiane, Aramex, Yodel, Swiss Post, Correios BR, EMS, OnTrac, Amazon Shipping. Pass tracking_number (and optional carrier='royal_mail' style slug).

LEGIT: trust scores and organic demand intelligence for the x402 agentic economy. Created by GONNA.

On-demand SMB & B2B prospect discovery and technical website flaw enrichment (SSL, mobile LCP, missing JSON-LD, /llms.txt gaps, diagnostic preview URLs) with Ed25519 batch receipt ($0.25 USDC per 10 leads).

Crypto Fear and Greed index - is the crowd greedy or fearful right now, and what is the 30-day trend. ALIAS PATH of /api/crypto-fear-greed, published with the EXACT slug the router's winning row publishes (fear_greed_index, with the underscore). MEASURED DEMAND: this slug scores 30 slug points and takes the top visible slot on the buyer's 'fear greed index' query. via x402

Paid ($0.01 USDC via x402). Returns the top 20 active opportunity cards by score as TEASERS — { id, slug, title, category, score, signalCount, lastSeen } only. No evidence and no productAngle (buy GET /v1/opportunity for the full card). While the index is still warming and no active cards exist yet, you get a no-charge 503 corpus_warming (never an empty charged list) — poll the free GET /v1/catego

Live crypto prices: USD spot for BTC, ETH and SOL in one call, fetched per call (not cached), so the figure is the number right now. A cheap, high-frequency data lane for x402 buyers budgeting in the unit they pay with. Sourced from public feeds (Coingecko primary, Kraken fallback).

Audit a whole dependency manifest in one call before installing or upgrading. Send a package.json, a requirements.txt, or npm and PyPI package lists (up to 50 packages). Per dependency: latest version and publish date, whether your pin is behind, license, deprecation or yanked status, weekly npm downloads, and known vulnerabilities from OSV with severity and first fixed version. Deterministic, no

Verify that a USDC payment (payer -> payee, exact amount) landed on Base mainnet recently; returns verdict + matching transfer.