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-script-type$0.003Call when an agent needs script type values extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/profile-script-type first.
POST/digest-sha512-hex-rawhex$0.001Call when an agent needs a sha512 digest of hex bytes, encoded as hex. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-hex-rawhex first.
POST/css-external$0.002Call when an agent needs blank-target anchor hrefs via a[target='_blank'] from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/css-external first.
POST/css-pre$0.009Call when an agent needs pre text via pre from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/css-pre first.
POST/link-status$0.01Call when an agent needs HEAD status for up to 20 public URLs (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/link-status first.
POST/digest-sha256-base64-utf16$0.008Call when an agent needs a sha256 digest of utf16le bytes, encoded as base64. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-sha256-base64-utf16 first.
POST/check-latlon$0.007Call when an agent needs whether a string is a latitude,longitude pair in range. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-latlon first.
POST/css-h1$0.01Call when an agent needs h1 text via h1 from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/css-h1 first.
POST/check-date-unix-ms$0.004Call when an agent needs whether a string is 13-digit Unix milliseconds. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-date-unix-ms first.
POST/digest-sha256-base64$0.01Call when an agent needs a sha256 digest of text, encoded as base64. No network and no LLM. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/digest-sha256-base64 first.
POST/norm-strip-diacritics$0.002Call when an agent needs text normalized with strip-diacritics. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/norm-strip-diacritics first.
POST/eth-nonce$0.001Call when an agent needs the next pending nonce and confirmed transaction count for one Ethereum mainnet address. Send address. Read-only eth_getTransactionCount on eip155:1. No spend. Send JSON {"address":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/eth-nonce first.
POST/check-ip-ipv6$0.008Call when an agent needs whether a string is an IPv6 address. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-ip-ipv6 first.
POST/check-vat-sk$0.01Call when an agent needs whether a SK VAT checksum is valid. No registry lookup. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-vat-sk first.
POST/redact-phone$0.008Call when an agent needs phone matches redacted in text. Nothing is stored. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/redact-phone first.
POST/profile-source-srcset$0.007Call when an agent needs source srcset values extracted from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/profile-source-srcset first.
POST/check-url-any$0.008Call when an agent needs whether a string is any absolute URL. No fetch. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-url-any first.
POST/digest-sha3-224-hex-rawhex$0.007Call when an agent needs a sha3-224 digest of hex bytes, encoded as hex. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-224-hex-rawhex first.
POST/check-iban-ee$0.007Call when an agent needs whether an IBAN is a mod-97-valid EE number of length 20. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-iban-ee first.
POST/css-header$0.007Call when an agent needs header text via header from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/css-header first.
POST/profile-twitter-site$0.006Call when an agent needs twitter:site extracted from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/profile-twitter-site first.
POST/ngram-byte-4$0.006Call when an agent needs counts of byte 4-grams. No network and no LLM. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/ngram-byte-4 first.
POST/digest-sha512-256-base32$0.008Call when an agent needs a sha512-256 digest of text, encoded as base32. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-256-base32 first.
POST/extract-meta$0.003Call when an agent needs title, description, canonical, robots, og:*, twitter:*, and icons[] from a public page. SSRF-safe. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/extract-meta first.
POST/ical-vfreebusy$0.007Call when an agent needs parsed VFREEBUSY items from iCalendar text. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/ical-vfreebusy 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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