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: 4 of the last 9 checks
Median response: 511 ms
Last checked: 16 Oct, 18:49 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/content-hash$0.001Call when an agent needs a SHA-256 or MD5 hex digest of provided text. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/content-hash first.
POST/check-ean-13$0.007Call when an agent needs whether a 13-digit EAN passes Luhn. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-ean-13 first.
POST/check-iban-kw$0.001Call when an agent needs whether an IBAN is a mod-97-valid KW number of length 30. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-iban-kw first.
POST/color-hex-to-hsl$0.005Call when an agent needs a color converted with hex-to-hsl. No network. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/color-hex-to-hsl first.
POST/check-iban-dk$0.004Call when an agent needs whether an IBAN is a mod-97-valid DK number of length 18. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-iban-dk first.
POST/profile-rel-alternate$0.003Call when an agent needs link rel=alternate hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/profile-rel-alternate first.
POST/css-meta-og-image$0.007Call when an agent needs og:image content via meta[property='og:image'] from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/css-meta-og-image first.
POST/digest-sha3-256-base32$0.006Call when an agent needs a sha3-256 digest of text, encoded as base32. No network and no LLM. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-base32 first.
POST/digest-sha1-base64-rawhex$0.008Call when an agent needs a sha1 digest of hex bytes, encoded as base64. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-sha1-base64-rawhex first.
POST/norm-strip-bidi$0.01Call when an agent needs text normalized with strip-bidi. No network and no LLM. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/norm-strip-bidi first.
POST/profile-link-hreflang$0.006Call when an agent needs link hreflang values extracted from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/profile-link-hreflang first.
POST/profile-select-name$0.006Call when an agent needs select name values extracted from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/profile-select-name first.
POST/xpath-form-action$0.006Call when an agent needs action attributes of //form via //form/@action from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/xpath-form-action first.
POST/xpath-h2$0.008Call when an agent needs text of //h2 via //h2 from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/xpath-h2 first.
POST/xpath-figcaption$0.004Call when an agent needs text of //figcaption via //figcaption from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/xpath-figcaption first.
POST/css-select$0.004Call when an agent needs text and attributes extracted with caller-supplied CSS selectors from a public page or HTML. Use it to pull specific nodes such as prices, links, or headings. SSRF-safe, with a node cap. Send JSON {"html":"<a class=\"x\" href=\"https://example.com/a\">Hello</a>","selectors":[{"selector":"a.x","attribute":"href"}],"limit":5}. Exact $0.004 USDC on Base. Try unpaid POST /v1/sandbox/css-select first.
POST/http-headers$0.003Call when an agent needs response headers from an SSRF-safe HEAD or GET of a public URL. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/http-headers first.
POST/profile-time-datetime$0.002Call when an agent needs time datetime values extracted from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/profile-time-datetime first.
POST/redact-card$0.002Call when an agent needs card matches redacted in text. Nothing is stored. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/redact-card first.
POST/check-iban-it$0.004Call when an agent needs whether an IBAN is a mod-97-valid IT number of length 27. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-iban-it first.
POST/jwt-parts$0.001Call when an agent needs a decoded JWT header and payload with no signature check. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/jwt-parts first.
POST/css-source-srcset$0.004Call when an agent needs media source srcset values via source[srcset] from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/css-source-srcset first.
POST/slug-dot-40-ascii$0.005Call when an agent needs a slug using ".", capped at 40 characters, ASCII-folded. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/slug-dot-40-ascii first.
POST/base64url-encode$0.001Call when an agent needs text encoded with base64url. No network and no LLM. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/base64url-encode first.
POST/profile-og-image-height$0.007Call when an agent needs og:image:height extracted from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/profile-og-image-height 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.16 Oct 2026

All 9 checks

When (UTC)	Result	HTTP	Response
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 16 Oct, 18:49 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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