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/bytes-si$0.005Call when an agent needs a SI (1000) byte size parsed to an integer. No network. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/bytes-si first.
POST/digest-blake2s256-hex$0.009Call when an agent needs a blake2s256 digest of text, encoded as hex. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2s256-hex first.
POST/digest-sha3-224-base64url-utf16$0.001Call when an agent needs a sha3-224 digest of utf16le bytes, encoded as base64url. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-224-base64url-utf16 first.
POST/id-uuid-v1$0.004Call when an agent needs whether a string is a valid uuid-v1. No network. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/id-uuid-v1 first.
POST/profile-rss$0.003Call when an agent needs application/rss+xml alternate hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/profile-rss first.
POST/checksum-fletcher32-hex$0.007Call when an agent needs a fletcher32 checksum of text as hex. No network and no LLM. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/checksum-fletcher32-hex first.
POST/dns-srv-iax$0.009Call when an agent needs SRV records at _iax._udp.{hostname} for IAX. The caller sends the registrable domain, not the underscored name. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-iax first.
POST/digest-sha512-base64-utf16$0.002Call when an agent needs a sha512 digest of utf16le bytes, encoded as base64. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-base64-utf16 first.
POST/profile-twitter-card$0.002Call when an agent needs twitter:card extracted from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/profile-twitter-card first.
POST/css-button$0.009Call when an agent needs button text via button from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/css-button first.
POST/digest-blake2s256-base64url-latin1$0.002Call when an agent needs a blake2s256 digest of latin1 bytes, encoded as base64url. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2s256-base64url-latin1 first.
POST/yaml-to-json$0.001Call when an agent needs YAML converted to JSON. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/yaml-to-json first.
POST/check-iban-bg$0.001Call when an agent needs whether an IBAN is a mod-97-valid BG number of length 22. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-iban-bg first.
POST/digest-sha224-base64$0.008Call when an agent needs a sha224 digest of text, encoded as base64. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-sha224-base64 first.
POST/profile-meta-generator$0.01Call when an agent needs the meta generator extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-meta-generator first.
POST/digest-sha3-512-hex-latin1$0.002Call when an agent needs a sha3-512 digest of latin1 bytes, encoded as hex. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-512-hex-latin1 first.
POST/hreflang-list$0.003Call when an agent needs hreflang alternates extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/hreflang-list first.
POST/digest-blake2s256-base64url$0.001Call when an agent needs a blake2s256 digest of text, encoded as base64url. No network and no LLM. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2s256-base64url first.
POST/profile-form-action$0.006Call when an agent needs form action values extracted from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/profile-form-action first.
POST/profile-jsonld-person$0.003Call when an agent needs JSON-LD @type Person extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/profile-jsonld-person first.
POST/digest-sha512-224-base32-utf16$0.01Call when an agent needs a sha512-224 digest of utf16le bytes, encoded as base32. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-base32-utf16 first.
POST/profile-headings$0.002Call when an agent needs h1–h6 text extracted from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/profile-headings first.
POST/xpath-meta-description$0.002Call when an agent needs content of meta name=description via //meta[@name='description']/@content from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/xpath-meta-description first.
POST/url-to-md$0.005Call when an agent needs the main content of a public http(s) URL as markdown, plus title and final_url. Use it for docs, articles, and product pages. SSRF-safe fetch. Send JSON {"url":"https://example.com/"}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/url-to-md first.
POST/profile-rel-canonical$0.006Call when an agent needs link rel tokens that equal canonical extracted from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/profile-rel-canonical 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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