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/regex-sha256$0.005Call when an agent needs SHA-256 hex digests extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/regex-sha256 first.
POST/profile-q$0.008Call when an agent needs q text extracted from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/profile-q first.
POST/url-expand$0.003Call when an agent needs to follow redirects (max 5, SSRF-safe HEAD/GET) and receive final_url, status, and redirect_chain. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/url-expand first.
POST/dns-srv-amqp$0.01Call when an agent needs SRV records at _amqp._tcp.{hostname} for AMQP. The caller sends the registrable domain, not the underscored name. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-amqp first.
POST/csv-pipe$0.007Call when an agent needs CSV parsed with a forced pipe delimiter. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/csv-pipe first.
POST/xpath-q$0.006Call when an agent needs text of //q via //q from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/xpath-q first.
POST/profile-twitter-creator$0.007Call when an agent needs twitter:creator extracted from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/profile-twitter-creator first.
POST/tls-protocol$0.002Call when an agent needs whether the negotiated protocol on port 443 is TLS 1.2 or 1.3. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/tls-protocol first.
POST/check-hostname-idn$0.006Call when an agent needs whether a string is a hostname that may use Unicode labels. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-hostname-idn first.
POST/case-path$0.002Call when an agent needs text rewritten with the path case transform. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/case-path first.
POST/dns-tlsa$0.006Call when an agent needs TLSA records at the exact hostname (usually _port._proto.name). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/dns-tlsa first.
POST/digest-blake2s256-hex-utf16$0.005Call when an agent needs a blake2s256 digest of utf16le bytes, encoded as hex. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2s256-hex-utf16 first.
POST/id-ulid$0.01Call when an agent needs whether a string is a valid ulid. No network. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/id-ulid first.
POST/profile-jsonld-offer$0.004Call when an agent needs JSON-LD @type Offer extracted from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/profile-jsonld-offer first.
POST/ngram-byte-3$0.005Call when an agent needs counts of byte 3-grams. No network and no LLM. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/ngram-byte-3 first.
POST/profile-article$0.006Call when an agent needs article text extracted from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/profile-article first.
POST/digest-sha512-224-base64url$0.003Call when an agent needs a sha512-224 digest of text, encoded as base64url. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-base64url first.
POST/profile-meta-charset$0.005Call when an agent needs meta charset values extracted from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/profile-meta-charset first.
POST/digest-sha384-hex$0.003Call when an agent needs a sha384 digest of text, encoded as hex. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-sha384-hex first.
POST/digest-md5-base32-rawhex$0.002Call when an agent needs a md5 digest of hex bytes, encoded as base32. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-md5-base32-rawhex first.
POST/profile-og-image-width$0.006Call when an agent needs og:image:width extracted from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/profile-og-image-width first.
POST/html-to-md$0.002Call when an agent needs clean markdown from HTML the agent already holds. No network. Optional url is only a base for relative links. Use it after a fetch when you do not want a second download. Send JSON {"html":"<h1>Hello</h1><p>World</p>","url":"https://example.com/page"}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/html-to-md first.
POST/digest-ripemd160-base32$0.006Call when an agent needs a ripemd160 digest of text, encoded as base32. No network and no LLM. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-ripemd160-base32 first.
POST/profile-jsonld-breadcrumb$0.005Call when an agent needs JSON-LD @type BreadcrumbList extracted from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/profile-jsonld-breadcrumb first.
POST/csv-tab$0.006Call when an agent needs CSV parsed with a forced tab delimiter. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/csv-tab 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

21millionpixels.artPaint 2 pixels in one plot on 21millionpixels.art, a shared 21,000,000-pixel canvas, for…
3HZ Daily FX Reference RateDaily reference foreign-exchange rate for any supported fiat currency pair using…
402scrapeFetch any public webpage and return clean, agent-ready content for RAG, LLM context,…
47620 Base Data APIHeader + summary for a base block by number (or "latest"): hash, timestamp, tx count, gas…

Browse the index

Something wrong on this page? Tell us.