Discover / crossref-work-by-doi.hergertsynthora.com
crossref-work-by-doi.hergertsynthora.com
Returns authoritative Crossref registration metadata for any DOI: title, authors, container journal, ISSN, publisher, reference list, funder and license info as structured JSON. A core keyless enrichment endpoint for autonomous research agents and agent-to-agent citation-verification and bibliographic pipelines. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.
crossref-work-by-doi.hergertsynthora.com is listed as payable by AI agents over X402 on base in USDC. It answered a valid payment challenge when we last probed it at Sat, 26 Sep 2026 05:02:53 GMT.
https://crossref-work-by-doi.hergertsynthora.com/service
x402-bazaar
Probe history
last 8 probes| When | Result | HTTP | Method | Latency |
|---|---|---|---|---|
| Sat, 26 Sep 2026 05:02:53 | challenge | 402 | http-402 | 413ms |
| Fri, 25 Sep 2026 05:36:29 | challenge | 402 | http-402 | 378ms |
| Thu, 24 Sep 2026 05:36:24 | challenge | 402 | http-402 | 355ms |
| Wed, 23 Sep 2026 06:37:09 | challenge | 402 | http-402 | 659ms |
| Tue, 22 Sep 2026 09:27:24 | challenge | 402 | http-402 | 328ms |
| Mon, 21 Sep 2026 12:34:10 | challenge | 402 | http-402 | 448ms |
| Sun, 20 Sep 2026 15:26:30 | challenge | 402 | http-402 | 403ms |
| Sat, 19 Sep 2026 17:01:45 | challenge | 402 | http-402 | 393ms |
Own this service? Update the listing or report a problem.