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/hmac-sha3-384-base64$0.004Call when an agent needs an HMAC-sha3-384 of text with a caller-supplied key, encoded as base64. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-384-base64 first.
POST/digest-md5-hex$0.001Call when an agent needs a md5 digest of text, encoded as hex. No network and no LLM. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-md5-hex first.
POST/base58-decode$0.002Call when an agent needs text decoded with base58. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/base58-decode first.
POST/profile-application-name$0.007Call when an agent needs application-name extracted from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/profile-application-name first.
POST/check-schema-draft-04$0.005Call when an agent needs a limited JSON Schema draft-04 check. Dialects disagree on exclusive bounds and format. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-schema-draft-04 first.
POST/css-nav-href$0.005Call when an agent needs nav anchor hrefs via nav a[href] from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/css-nav-href first.
POST/check-schema-draft-06$0.006Call when an agent needs a limited JSON Schema draft-06 check. Dialects disagree on exclusive bounds and format. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-schema-draft-06 first.
POST/dns-srv-teamspeak$0.001Call when an agent needs SRV records at _ts3._udp.{hostname} for TeamSpeak. The caller sends the registrable domain, not the underscored name. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-teamspeak first.
POST/check-isbn-10$0.004Call when an agent needs whether an ISBN-10 checksum is valid. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-isbn-10 first.
POST/css-jsonld$0.003Call when an agent needs JSON-LD script text via script[type='application/ld+json'] from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/css-jsonld first.
POST/css-link-amp$0.004Call when an agent needs AMP HTML hrefs via link[rel='amphtml'] from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/css-link-amp first.
POST/table-to-json$0.003Call when an agent needs HTML tables from a public URL or HTML turned into headers + rows. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/table-to-json first.
POST/check-iban-fo$0.003Call when an agent needs whether an IBAN is a mod-97-valid FO number of length 18. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-iban-fo first.
POST/profile-img-srcset$0.008Call when an agent needs img srcset values extracted from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/profile-img-srcset first.
POST/profile-jsonld-website$0.003Call when an agent needs JSON-LD @type WebSite extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/profile-jsonld-website first.
POST/digest-blake2s256-hex-latin1$0.006Call when an agent needs a blake2s256 digest of latin1 bytes, encoded as hex. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2s256-hex-latin1 first.
POST/digest-sha1-base64-latin1$0.007Call when an agent needs a sha1 digest of latin1 bytes, encoded as base64. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha1-base64-latin1 first.
POST/digest-sha384-base32-latin1$0.007Call when an agent needs a sha384 digest of latin1 bytes, encoded as base32. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha384-base32-latin1 first.
POST/check-vat-si$0.009Call when an agent needs whether a SI VAT checksum is valid. No registry lookup. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-vat-si first.
POST/css-link-icon$0.003Call when an agent needs icon hrefs via link[rel='icon'] from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/css-link-icon first.
POST/dns-srv-afp$0.007Call when an agent needs SRV records at _afpovertcp._tcp.{hostname} for AFP. The caller sends the registrable domain, not the underscored name. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-afp first.
POST/lines-drop-empty$0.005Call when an agent needs lines of text transformed with drop-empty. No network. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/lines-drop-empty first.
POST/xpath-code$0.01Call when an agent needs text of //code via //code from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/xpath-code first.
POST/lines-sort-ci$0.008Call when an agent needs lines of text transformed with sort-ci. No network. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/lines-sort-ci first.
POST/json-path$0.002Call when an agent needs a JSONPath query evaluated over JSON. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/json-path 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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