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-table-headers$0.005Call when an agent needs th text extracted from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/profile-table-headers first.
POST/digest-sha1-base64url-latin1$0.01Call when an agent needs a sha1 digest of latin1 bytes, encoded as base64url. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/digest-sha1-base64url-latin1 first.
POST/json-pretty-tab$0.005Call when an agent needs JSON rewritten with the pretty-tab transform. No network. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/json-pretty-tab first.
POST/dns-srv-dns-sd$0.01Call when an agent needs SRV records at _dns-sd._udp.{hostname} for DNS-SD. The caller sends the registrable domain, not the underscored name. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-dns-sd first.
POST/digest-md5-base64url-utf16$0.007Call when an agent needs a md5 digest of utf16le bytes, encoded as base64url. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-md5-base64url-utf16 first.
POST/dns-srv-imaps$0.007Call when an agent needs SRV records at _imaps._tcp.{hostname} for IMAP over TLS. The caller sends the registrable domain, not the underscored name. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-imaps first.
POST/html-numeric-decode$0.01Call when an agent needs text decoded with html-numeric. No network and no LLM. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/html-numeric-decode first.
POST/digest-ripemd160-hex$0.003Call when an agent needs a ripemd160 digest of text, encoded as hex. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-ripemd160-hex first.
POST/tls-pubkey$0.004Call when an agent needs whether the port-443 key is RSA ≥2048 or EC ≥256 bits. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/tls-pubkey first.
POST/xpath-article$0.004Call when an agent needs text of //article via //article from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/xpath-article first.
POST/digest-sha512-256-base64url-rawhex$0.001Call when an agent needs a sha512-256 digest of hex bytes, encoded as base64url. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-256-base64url-rawhex first.
POST/digest-sha3-512-base64-utf16$0.004Call when an agent needs a sha3-512 digest of utf16le bytes, encoded as base64. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-512-base64-utf16 first.
POST/lines-take-5$0.002Call when an agent needs lines of text transformed with take-5. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/lines-take-5 first.
POST/lines-sort-desc$0.008Call when an agent needs lines of text transformed with sort-desc. No network. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/lines-sort-desc first.
POST/hmac-ripemd160-hex$0.002Call when an agent needs an HMAC-ripemd160 of text with a caller-supplied key, encoded as hex. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/hmac-ripemd160-hex first.
POST/xpath-og-title$0.003Call when an agent needs content of meta property=og:title via //meta[@property='og:title']/@content from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/xpath-og-title first.
POST/regex-semver$0.003Call when an agent needs semver tokens extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/regex-semver first.
POST/digest-sha1-base64-utf16$0.006Call when an agent needs a sha1 digest of utf16le bytes, encoded as base64. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-sha1-base64-utf16 first.
POST/digest-sha512-224-base64url-utf16$0.007Call when an agent needs a sha512-224 digest of utf16le bytes, encoded as base64url. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-base64url-utf16 first.
POST/check-vat-fr$0.007Call when an agent needs whether a FR VAT checksum is valid. No registry lookup. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-vat-fr first.
POST/lines-take-20$0.003Call when an agent needs lines of text transformed with take-20. No network. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/lines-take-20 first.
POST/duration-iso$0.002Call when an agent needs a iso duration converted to seconds. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/duration-iso first.
POST/check-plus-code$0.006Call when an agent needs whether a string is a full Open Location Code. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-plus-code first.
POST/digest-sha224-base64url$0.009Call when an agent needs a sha224 digest of text, encoded as base64url. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/digest-sha224-base64url first.
POST/case-upper$0.002Call when an agent needs text rewritten with the upper case transform. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/case-upper 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

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