DEVELOPER TRIAL
Check it before your agent pays.
For agents reading documentation, comparing published pages or checking a bibliography. Seven paid tools, no buyer account or subscription. Public static pages only.
1. Run a wallet-free preflight
Download trial.mjs, inspect it, and run with Node.js 24+. No packages or wallet key needed.
node trial.mjs
It verifies readiness and three HTTP 402 quotes against expected prices, Base mainnet, native USDC and the recipient. It never signs or sends a payment. This tests integration readiness, not paid output quality.
2. Inspect a real frozen result
This DOI check was captured 2026-10-07T08:50:43.059Z. It came from source registries; no payment was made for this snapshot. It is an output example, not a live lookup or testimonial.
{
"doi": "10.1056/nejmoa2032183",
"existence": "found",
"titleCheck": {
"status": "likely_match",
"similarity": 1,
"method": "Token Dice similarity; author/year/content are not verified."
},
"integrity": {
"status": "no_signal_in_checked_metadata",
"signals": []
}
}Full source-linked research and citation sample. A found DOI does not establish that the paper supports a claim.
3. Try one relevant paid call
Generate your request and capped command →
One page: 0.005 USDC. Up to three pages: 0.012 USDC. Up to ten DOI checks: 0.02 USDC. Live catalog prices are authoritative. Use your separate funded buyer wallet and keep its key local.
4. Decide whether the output helps
Did setup work? Were the sources and extracted fields useful? Were any fields missing or truncated? Would your agent call it again for the next task? Completed purchases support helpful and negative feedback through /feedback.
Base mainnet checkout passed an operator-funded web-read test. There are no claimed customer testimonials or independent performance comparisons. Live quality statistics include operator tests.