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/profile-twitter-title$0.003Call when an agent needs twitter:title extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/profile-twitter-title first.
POST/profile-cite$0.007Call when an agent needs cite text extracted from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/profile-cite first.
POST/profile-twitter-player$0.006Call when an agent needs twitter:player extracted from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/profile-twitter-player first.
POST/utf16-hex-encode$0.009Call when an agent needs text encoded with utf16-hex. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/utf16-hex-encode first.
POST/check-card-unionpay$0.003Call when an agent needs whether a number passes Luhn and matches unionpay. Nothing is stored. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-card-unionpay first.
POST/checksum-crc32-dec$0.006Call when an agent needs a crc32 checksum of text as dec. No network and no LLM. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/checksum-crc32-dec first.
POST/profile-form-method$0.002Call when an agent needs form method values extracted from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/profile-form-method first.
POST/digest-blake2b512-base64-utf16$0.006Call when an agent needs a blake2b512 digest of utf16le bytes, encoded as base64. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2b512-base64-utf16 first.
POST/profile-h6$0.005Call when an agent needs h6 text extracted from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/profile-h6 first.
POST/css-script-type$0.008Call when an agent needs script type values via script[type] from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/css-script-type first.
POST/hmac-sha512-base64url$0.003Call when an agent needs an HMAC-sha512 of text with a caller-supplied key, encoded as base64url. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha512-base64url first.
POST/dns-srv-caldavs$0.001Call when an agent needs SRV records at _caldavs._tcp.{hostname} for CalDAV over TLS. The caller sends the registrable domain, not the underscored name. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-caldavs first.
POST/hmac-sha1-hex$0.002Call when an agent needs an HMAC-sha1 of text with a caller-supplied key, encoded as hex. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha1-hex first.
POST/digest-sha3-512-base64-rawhex$0.006Call when an agent needs a sha3-512 digest of hex bytes, encoded as base64. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-512-base64-rawhex first.
POST/digest-sha256-base64url-utf16$0.001Call when an agent needs a sha256 digest of utf16le bytes, encoded as base64url. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-sha256-base64url-utf16 first.
POST/profile-citation-doi$0.01Call when an agent needs citation_doi extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-citation-doi first.
POST/case-kebab$0.008Call when an agent needs text rewritten with the kebab case transform. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/case-kebab first.
POST/xpath-td$0.004Call when an agent needs text of //td via //td from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/xpath-td first.
POST/xpath-mark$0.007Call when an agent needs text of //mark via //mark from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/xpath-mark first.
POST/profile-script-src$0.003Call when an agent needs script src values extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/profile-script-src first.
POST/profile-rel-me$0.002Call when an agent needs link rel=me hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/profile-rel-me first.
POST/digest-sha1-hex$0.005Call when an agent needs a sha1 digest of text, encoded as hex. No network and no LLM. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-sha1-hex first.
POST/dns-srv-jabber$0.004Call when an agent needs SRV records at _jabber._tcp.{hostname} for Jabber. The caller sends the registrable domain, not the underscored name. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-jabber first.
POST/ngram-char-2$0.006Call when an agent needs counts of char 2-grams. No network and no LLM. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/ngram-char-2 first.
POST/dns-txt-dkim-ses$0.006Call when an agent needs TXT at ses._domainkey.{hostname}. A different selector is a different DNS name. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-dkim-ses 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.

Payment

Protocol: x402 · exact
Chain: Base
Asset: USDC
Amount: 4000 atomic USDC
Paid to: 0x1D61…5a38
Facilitator: cdp

From its payment challenge on 17 Oct 2026.

Check the seller's current payment challenge and authentication requirements before paying. A listing doesn't mean a service works with Superstables. To try a budget or a single purchase, see the services you can try on testnet.

Listed in

Also live on x402 · Base

402registry catalogCatalog snapshot: every site in the 402registry catalog of sites verified visible to AI…
a0flow Agent Micro-API6 micro-endpoints for AI agents, x402 paid per call: live AI digest, x402 market stats,…
agentcrush.xyzVerification and tier status for an AI agent on AgentCrush.
Agent Desk API: Event FactsVerified market-moving events for crypto agents: headlines categorized (liquidations,…

Browse the index

Something wrong on this page? Tell us.