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/digest-sha512-224-hex-latin1$0.002Call when an agent needs a sha512-224 digest of latin1 bytes, encoded as hex. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-hex-latin1 first.
POST/profile-input-type$0.001Call when an agent needs input type values extracted from a public page or HTML (SSRF-safe). Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/profile-input-type first.
POST/check-semver-caret$0.002Call when an agent needs whether a string is a caret semver range. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-semver-caret first.
POST/case-constant$0.009Call when an agent needs text rewritten with the constant case transform. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/case-constant first.
POST/digest-sha3-256-hex-latin1$0.008Call when an agent needs a sha3-256 digest of latin1 bytes, encoded as hex. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-hex-latin1 first.
POST/text-stats$0.001Call when an agent needs heuristic text stats: chars, words, sentences, reading_time_min, lang_hint. No LLM and no network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/text-stats first.
POST/digest-sha512-224-hex-utf16$0.001Call when an agent needs a sha512-224 digest of utf16le bytes, encoded as hex. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-hex-utf16 first.
POST/profile-h5$0.004Call when an agent needs h5 text extracted from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/profile-h5 first.
POST/dns-srv-radius$0.007Call when an agent needs SRV records at _radius._udp.{hostname} for RADIUS. The caller sends the registrable domain, not the underscored name. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-radius first.
POST/profile-h4$0.001Call when an agent needs h4 text extracted from a public page or HTML (SSRF-safe). Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/profile-h4 first.
POST/xpath-dd$0.009Call when an agent needs text of //dd via //dd from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/xpath-dd first.
POST/profile-og-site-name$0.008Call when an agent needs og:site_name extracted from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/profile-og-site-name first.
POST/digest-sha3-256-hex$0.003Call when an agent needs a sha3-256 digest of text, encoded as hex. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-hex first.
POST/checksum-adler32-dec$0.01Call when an agent needs a adler32 checksum of text as dec. No network and no LLM. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/checksum-adler32-dec first.
POST/digest-blake2s256-base32$0.002Call when an agent needs a blake2s256 digest of text, encoded as base32. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2s256-base32 first.
POST/dns-srv-smtp$0.009Call when an agent needs SRV records at _smtp._tcp.{hostname} for SMTP. The caller sends the registrable domain, not the underscored name. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-smtp first.
POST/uuid$0.001Call when an agent needs one or more UUID values. version defaults to v4 from crypto; v7 is time-ordered. count is 1 to 50. Local only. No network. Send JSON {"version":"v4","count":1}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/uuid first.
POST/check-vat-hr$0.004Call when an agent needs whether a HR VAT checksum is valid. No registry lookup. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-vat-hr first.
POST/digest-sha512-224-base64-latin1$0.005Call when an agent needs a sha512-224 digest of latin1 bytes, encoded as base64. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-base64-latin1 first.
POST/css-link-canonical$0.001Call when an agent needs canonical hrefs via link[rel='canonical'] from a public page or HTML (SSRF-safe). Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/css-link-canonical first.
POST/digest-sha3-256-base64url-utf16$0.003Call when an agent needs a sha3-256 digest of utf16le bytes, encoded as base64url. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-base64url-utf16 first.
POST/xpath-main$0.005Call when an agent needs text of //main via //main from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/xpath-main first.
POST/slug-tilde-120-ascii$0.009Call when an agent needs a slug using "~", capped at 120 characters, ASCII-folded. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/slug-tilde-120-ascii first.
POST/xpath-option$0.007Call when an agent needs text of //option via //option from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/xpath-option first.
POST/digest-sha1-base32-rawhex$0.004Call when an agent needs a sha1 digest of hex bytes, encoded as base32. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-sha1-base32-rawhex 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.

Payment

Protocol: x402 · exact
Chain: Base
Asset: USDC
Amount: 4000 atomic USDC
Paid to: 0x1D61…5a38
Facilitator: cdp

From its payment challenge on 17 Oct 2026.

Check the seller's current payment challenge and authentication requirements before paying. A listing doesn't mean a service works with Superstables. To try a budget or a single purchase, see the services you can try on testnet.

Listed in

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