Discover / agentshelf.syntexa.ch

AgentShelf

■ Challenge detected

Call when an agent needs published and modified dates extracted from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/article-dates first.

x402
Base
USDC
Other

Listed price: $0.004
Challenge detected: 5 of the last 10 checks
Median response: 509 ms
Last checked: 17 Oct, 18:25 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://agentshelf.syntexa.ch/v1/article-dates
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

1,215 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.

Base URLhttps://agentshelf.syntexa.ch/v1

POST/regex-arxiv$0.001Call when an agent needs arXiv identifiers extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/regex-arxiv first.
POST/case-flat$0.006Call when an agent needs text rewritten with the flat case transform. No network and no LLM. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/case-flat first.
POST/dns-srv-xmpp-client$0.005Call when an agent needs SRV records at _xmpp-client._tcp.{hostname} for XMPP client. The caller sends the registrable domain, not the underscored name. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-xmpp-client first.
POST/css-article$0.003Call when an agent needs article text via article from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/css-article first.
POST/digest-shake128-hex$0.001Call when an agent needs a shake128 digest of text, encoded as hex. No network and no LLM. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-shake128-hex first.
POST/digest-blake2b512-hex$0.005Call when an agent needs a blake2b512 digest of text, encoded as hex. No network and no LLM. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2b512-hex first.
POST/check-iban-se$0.002Call when an agent needs whether an IBAN is a mod-97-valid SE number of length 24. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-iban-se first.
POST/digest-sha256-base32-rawhex$0.006Call when an agent needs a sha256 digest of hex bytes, encoded as base32. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-sha256-base32-rawhex first.
POST/digest-sha3-384-base32-utf16$0.008Call when an agent needs a sha3-384 digest of utf16le bytes, encoded as base32. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-384-base32-utf16 first.
POST/cron-next-6-12$0.002Call when an agent needs the next 12 UTC times for a 6-field cron expression. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/cron-next-6-12 first.
POST/digest-sha3-512-base32-utf16$0.01Call when an agent needs a sha3-512 digest of utf16le bytes, encoded as base32. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-512-base32-utf16 first.
POST/dns-srv-turns$0.008Call when an agent needs SRV records at _turns._tcp.{hostname} for TURNS. The caller sends the registrable domain, not the underscored name. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-turns first.
POST/css-img-srcset$0.008Call when an agent needs image srcset values via img[srcset] from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/css-img-srcset first.
POST/json-sort-keys$0.002Call when an agent needs JSON rewritten with the sort-keys transform. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/json-sort-keys first.
POST/dns-txt-dkim-pic$0.003Call when an agent needs TXT at pic._domainkey.{hostname}. A different selector is a different DNS name. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-dkim-pic first.
POST/cron-next-6-1$0.008Call when an agent needs the next 1 UTC time for a 6-field cron expression. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/cron-next-6-1 first.
POST/profile-og-locale$0.009Call when an agent needs og:locale extracted from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/profile-og-locale first.
POST/css-aside$0.008Call when an agent needs aside text via aside from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/css-aside first.
POST/digest-blake2s256-hex-rawhex$0.007Call when an agent needs a blake2s256 digest of hex bytes, encoded as hex. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2s256-hex-rawhex first.
POST/digest-sha224-hex$0.007Call when an agent needs a sha224 digest of text, encoded as hex. No network and no LLM. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha224-hex first.
POST/digest-sha3-256-base64url-rawhex$0.005Call when an agent needs a sha3-256 digest of hex bytes, encoded as base64url. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-base64url-rawhex first.
POST/profile-article-published$0.009Call when an agent needs article:published_time extracted from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/profile-article-published first.
POST/case-capitalize$0.004Call when an agent needs text rewritten with the capitalize case transform. No network and no LLM. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/case-capitalize first.
POST/profile-h3$0.01Call when an agent needs h3 text extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-h3 first.
POST/profile-article-tag$0.003Call when an agent needs article:tag extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/profile-article-tag first.

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

Showing 25 of 1,215 listed endpoints. Next endpoints First endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/agentshelf.syntexa.ch

Recent checks

4 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.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 18:25 UTC	Challenge detected	402	390ms
16 Oct, 18:49 UTC	Challenge detected	402	513ms
15 Oct, 14:11 UTC	Challenge detected	402	509ms
14 Oct, 08:45 UTC	Challenge detected	402	432ms
12 Oct, 10:53 UTC	No challenge detected	200	443ms
10 Oct, 15:44 UTC	No challenge detected	200	524ms
9 Oct, 09:34 UTC	No challenge detected	200	428ms
8 Oct, 03:32 UTC	No challenge detected	200	403ms
7 Oct, 03:32 UTC	Challenge detected	402	551ms
4 Oct, 05:04 UTC	No challenge detected	404	443ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 18:25 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 AgentShelf?

Its listed price is $0.004.

What payment terms does AgentShelf 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 AgentShelf listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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