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-sha3-384-base64url-latin1$0.006Call when an agent needs a sha3-384 digest of latin1 bytes, encoded as base64url. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-384-base64url-latin1 first.
POST/css-role$0.008Call when an agent needs role values via [role] from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/css-role first.
POST/digest-sha512-base64-rawhex$0.004Call when an agent needs a sha512 digest of hex bytes, encoded as base64. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-base64-rawhex first.
POST/check-iban-cy$0.008Call when an agent needs whether an IBAN is a mod-97-valid CY number of length 28. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-iban-cy first.
POST/digest-sha3-224-base64$0.01Call when an agent needs a sha3-224 digest of text, encoded as base64. No network and no LLM. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-224-base64 first.
POST/profile-fb-app-id$0.004Call when an agent needs fb:app_id extracted from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/profile-fb-app-id first.
POST/profile-og-url$0.006Call when an agent needs og:url extracted from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/profile-og-url first.
POST/digest-sha512-256-base64-rawhex$0.008Call when an agent needs a sha512-256 digest of hex bytes, encoded as base64. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-256-base64-rawhex first.
POST/profile-role$0.008Call when an agent needs role values extracted from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/profile-role first.
POST/lines-sort-numeric$0.009Call when an agent needs lines of text transformed with sort-numeric. No network. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/lines-sort-numeric first.
POST/xpath-nav-href$0.002Call when an agent needs href attributes of anchors under //nav via //nav//a/@href from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/xpath-nav-href first.
POST/slug-tilde-160-ascii$0.001Call when an agent needs a slug using "~", capped at 160 characters, ASCII-folded. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/slug-tilde-160-ascii first.
POST/check-vat-at$0.01Call when an agent needs whether a AT VAT checksum is valid. No registry lookup. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-vat-at first.
POST/feed-parse$0.004Call when an agent needs an RSS/Atom feed parsed into title plus up to 50 items (link, published, summary). SSRF-safe. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/feed-parse first.
POST/digest-sha3-512-base64url$0.003Call when an agent needs a sha3-512 digest of text, encoded as base64url. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-512-base64url first.
POST/css-summary$0.002Call when an agent needs summary text via summary from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/css-summary first.
POST/dns-txt-dkim-k1$0.004Call when an agent needs TXT at k1._domainkey.{hostname}. A different selector is a different DNS name. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-dkim-k1 first.
POST/digest-sha1-hex-utf16$0.003Call when an agent needs a sha1 digest of utf16le bytes, encoded as hex. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-sha1-hex-utf16 first.
POST/digest-blake2b512-base64url-rawhex$0.001Call when an agent needs a blake2b512 digest of hex bytes, encoded as base64url. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2b512-base64url-rawhex first.
POST/profile-og-type$0.007Call when an agent needs og:type extracted from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/profile-og-type first.
POST/check-iban-is$0.01Call when an agent needs whether an IBAN is a mod-97-valid IS number of length 26. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-iban-is first.
POST/dns-srv-daap$0.002Call when an agent needs SRV records at _daap._tcp.{hostname} for DAAP. The caller sends the registrable domain, not the underscored name. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-daap first.
POST/norm-dashes$0.003Call when an agent needs text normalized with dashes. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/norm-dashes first.
POST/profile-label$0.003Call when an agent needs label text extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/profile-label first.
POST/json-sort-deep$0.003Call when an agent needs JSON rewritten with the sort-deep transform. No network. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/json-sort-deep 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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