Discover / doaj-article-search.hergertsynthora.com

doaj-article-search.hergertsynthora.com

■ Challenge detected

Searches the Directory of Open Access Journals article index, returning titles, authors, DOIs, journal, ISSNs, abstracts and open-access full-text links as JSON. A keyless endpoint for autonomous research agents and agent-to-agent workflows sourcing legally free, peer-reviewed open-access literature. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

x402
Base
USDC

Listed price: $0.001
Challenge detected: 9 of the last 9 checks
Median response: 378 ms
Last checked: 16 Oct, 23:40 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://doaj-article-search.hergertsynthora.com/service
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

1 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

POSThttps://doaj-article-search.hergertsynthora.com/service$0.001Searches the Directory of Open Access Journals article index, returning titles, authors, DOIs, journal, ISSNs, abstracts and open-access full-text links as JSON. A keyless endpoint for autonomous research agents and agent-to-agent workflows sourcing legally free, peer-reviewed open-access literature. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 1 of 1 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/doaj-article-search.hergertsynthora.com

Recent checks

3 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 9 checks

When (UTC)	Result	HTTP	Response
16 Oct, 23:40 UTC	Challenge detected	402	378ms
15 Oct, 19:10 UTC	Challenge detected	402	398ms
14 Oct, 14:31 UTC	Challenge detected	402	339ms
12 Oct, 10:53 UTC	Challenge detected	402	338ms
10 Oct, 15:44 UTC	Challenge detected	402	435ms
9 Oct, 09:34 UTC	Challenge detected	402	414ms
8 Oct, 03:32 UTC	Challenge detected	402	378ms
7 Oct, 03:32 UTC	Challenge detected	402	343ms
3 Oct, 17:05 UTC	Challenge detected	402	365ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 23:40 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for doaj-article-search.hergertsynthora.com?

Its listed price is $0.001.

What payment terms does doaj-article-search.hergertsynthora.com advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is doaj-article-search.hergertsynthora.com listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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