Evidence402
evidence402.onrender.com · 7 paid endpoints · listed 2026-10-27
Find and deduplicate scholarly papers from Crossref and Europe PMC. Use for literature discovery with DOI source links.
livelast check 18 h ago
100%valid x402 answers, 72 h
$0.025USDC received on Base, 7 days
3distinct payers, 7 days
54.1score (0-100)
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| POST | evidence402.onrender.com/api/v1/web-read Read a public static HTTPS webpage as clean text with headings, links, timestamp and content hash. Use to ground an answer or ingest documentation. Respects rob | $0.005 | Base |
| POST | evidence402.onrender.com/api/v1/search Find and deduplicate scholarly papers from Crossref and Europe PMC. Use for literature discovery with DOI source links. | $0.01 | Base |
| POST | evidence402.onrender.com/api/v1/site-profile Inspect a business or project website for its published description, structured data and pricing, contact, documentation and social links. Reports source claims | $0.01 | Base |
| POST | evidence402.onrender.com/api/v1/web-extract Extract published JSON-LD and optional CSS-selector fields from a public static HTTPS page. Use for product data, organization metadata or repeatable structured | $0.01 | Base |
| POST | evidence402.onrender.com/api/v1/web-batch Read up to three public static HTTPS webpages in one paid call for comparisons or multi-source context. All pages must succeed or the request is not settled. | $0.012 | Base Sepolia |
| POST | evidence402.onrender.com/api/v1/verify Check up to ten DOI citations against source registries, compare optional titles, and expose publication update signals. Use to detect incorrect references. | $0.02 | Base Sepolia |
| POST | evidence402.onrender.com/api/v1/brief Build a source-linked evidence pack with scholarly papers, bibliography and optional registered clinical trials. Metadata only, no invented findings. | $0.05 | Base Sepolia |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| 18 h ago | evidence402.onrender.com/api/v1/search | 402 | 115 | valid x402 v2 terms |
| 6 days ago | evidence402.onrender.com/api/v1/brief | 402 | 131 | valid x402 v2 terms |
Income on Base (7 days)
| Day | Transfers | USDC | |
|---|---|---|---|
| 2026-11-02 | 1 | $0.01 | |
| 2026-10-30 | 1 | $0.005 | |
| 2026-10-27 | 1 | $0.01 |
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x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/evidence402.onrender.com