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/csv-sniff$0.003Call when an agent needs the sniffed CSV dialect plus column and row counts. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/csv-sniff first.
POST/profile-rel-prev$0.004Call when an agent needs link rel=prev hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/profile-rel-prev first.
POST/dns-caa-contactemail$0.006Call when an agent needs CAA records whose tag is contactemail. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/dns-caa-contactemail first.
POST/digest-sha512-base64$0.008Call when an agent needs a sha512 digest of text, encoded as base64. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-base64 first.
POST/css-meta-twitter$0.008Call when an agent needs twitter:card content via meta[name='twitter:card'] from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/css-meta-twitter first.
POST/css-caption$0.007Call when an agent needs table caption text via caption from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/css-caption first.
POST/color-hex-to-rgb$0.003Call when an agent needs a color converted with hex-to-rgb. No network. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/color-hex-to-rgb first.
POST/slug-tilde-120-unicode$0.01Call when an agent needs a slug using "~", capped at 120 characters, keeping Unicode letters. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/slug-tilde-120-unicode first.
POST/check-iban-jo$0.01Call when an agent needs whether an IBAN is a mod-97-valid JO number of length 30. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-iban-jo first.
POST/slug-underscore-80-ascii$0.007Call when an agent needs a slug using "_", capped at 80 characters, ASCII-folded. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/slug-underscore-80-ascii first.
POST/profile-img-data-src$0.008Call when an agent needs img data-src values extracted from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/profile-img-data-src first.
POST/check-iban-nl$0.005Call when an agent needs whether an IBAN is a mod-97-valid NL number of length 18. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-iban-nl first.
POST/digest-sha512-256-base32-latin1$0.003Call when an agent needs a sha512-256 digest of latin1 bytes, encoded as base32. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-256-base32-latin1 first.
POST/digest-blake2b512-base32-rawhex$0.004Call when an agent needs a blake2b512 digest of hex bytes, encoded as base32. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2b512-base32-rawhex first.
POST/case-title$0.003Call when an agent needs text rewritten with the title case transform. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/case-title first.
POST/css-li$0.006Call when an agent needs list item text via li from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/css-li first.
POST/regex-credit-card$0.007Call when an agent needs 13–19 digit card-shaped numbers extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/regex-credit-card first.
POST/mentions$0.02Call when an agent needs a structured brand or product mention brief from public web sources: theme clusters, sentiment, and short licensed samples. Use it to see how a name is discussed before drafting a reply. Send JSON {"query":"acme widgets","lookback_days":30,"sources":["web","reviews"],"limit":40,"lang":"en"}. Exact $0.02 USDC on Base. Try unpaid POST /v1/sandbox/mentions first.
POST/digest-sha512-base64-latin1$0.003Call when an agent needs a sha512 digest of latin1 bytes, encoded as base64. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-base64-latin1 first.
POST/profile-title$0.003Call when an agent needs the HTML document title extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/profile-title first.
POST/digest-shake128-base32$0.004Call when an agent needs a shake128 digest of text, encoded as base32. No network and no LLM. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-shake128-base32 first.
POST/dns-srv-submissions$0.01Call when an agent needs SRV records at _submissions._tcp.{hostname} for implicit TLS submission. The caller sends the registrable domain, not the underscored name. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-submissions first.
POST/slug-tilde-24-ascii$0.003Call when an agent needs a slug using "~", capped at 24 characters, ASCII-folded. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/slug-tilde-24-ascii first.
POST/digest-md5-base64$0.002Call when an agent needs a md5 digest of text, encoded as base64. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-md5-base64 first.
POST/xpath-cite$0.005Call when an agent needs text of //cite via //cite from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/xpath-cite 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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