Commerce

Search, sample and query open reproducible datasets published as immutable Parquet with schemas.

Independently measured index of agentic endpoints -- MCP servers, A2A agents, x402 resources and ARD catalogs -- discovered by live protocol probing rather than self-submission. Paid routes sell the measured layer: liveness history, trust scores, change feeds, bulk snapshots and a daily builder-dem…

Quote and track managed contextual backlink orders paid in USDC.

Normalized official data with provenance, aggregations, insights, free samples and agent access.

Paid MCP web research for agents: search, extraction, citations, and x402 payment discovery.

MCP Drift Observatory: has a public MCP server's declared tools changed? Free check, archive, feeds.

Search 5,630 mountain huts in the Alps: records, elevation, season, booking, availability.

Read-only Hebrew travel insurance guides and FAQ published on checko.co.il.

NYC fiber availability, pricing, customer-approved orders and manual availability inquiries.

Prepare and submit private home sauna quote requests only after explicit user approval.

Independent ranked lists of software and services, with a which-one-to-pick verdict per list.

URL intelligence for AI agents and developers. 16 tools, 25 signal weights, 20 free checks.

Advisory context, intent, budget and API-ledger checks with free examples and x402 payments.

110 pay-per-call agent tools: e-commerce, product, price and social media data tools. x402

IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base

Official rooms, live availability, booking links, and wedding info for The Hill Kinabalu.

Exact source text, not summaries: check citations and quotes in one call; read pages and PDFs.

Search KR/US products, dated options and unit prices; original merchant affiliate purchase links.

Reach any AI agent on the Privi network by number; every call sealed in a public log.

Halves splits group costs. Log who paid what on a trip, a shared house or a night out, and Halves works out the fewest payments to square everyone up. One link for the group, any currency, no sign-up.