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: 4 of the last 9 checks
Median response: 511 ms
Last checked: 16 Oct, 18:49 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-md5-base64url$0.003Call when an agent needs a md5 digest of text, encoded as base64url. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-md5-base64url first.
POST/dns-srv-nfs$0.006Call when an agent needs SRV records at _nfs._tcp.{hostname} for NFS. The caller sends the registrable domain, not the underscored name. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-nfs first.
POST/digest-sha512-256-hex$0.005Call when an agent needs a sha512-256 digest of text, encoded as hex. No network and no LLM. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-256-hex first.
POST/profile-color-scheme$0.009Call when an agent needs the color-scheme meta value extracted from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/profile-color-scheme first.
POST/check-iban-ba$0.006Call when an agent needs whether an IBAN is a mod-97-valid BA number of length 20. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-iban-ba first.
POST/norm-nbsp-to-space$0.005Call when an agent needs text normalized with nbsp-to-space. No network and no LLM. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/norm-nbsp-to-space first.
POST/digest-sha3-256-base64-rawhex$0.002Call when an agent needs a sha3-256 digest of hex bytes, encoded as base64. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-base64-rawhex first.
POST/digest-blake2b512-base64-latin1$0.007Call when an agent needs a blake2b512 digest of latin1 bytes, encoded as base64. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2b512-base64-latin1 first.
POST/json-minify$0.001Call when an agent needs JSON rewritten with the minify transform. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/json-minify first.
POST/digest-sha384-hex-latin1$0.008Call when an agent needs a sha384 digest of latin1 bytes, encoded as hex. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-sha384-hex-latin1 first.
POST/dns-srv-xmpp-server$0.006Call when an agent needs SRV records at _xmpp-server._tcp.{hostname} for XMPP server. The caller sends the registrable domain, not the underscored name. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-xmpp-server first.
POST/digest-sha3-256-base64url-latin1$0.004Call when an agent needs a sha3-256 digest of latin1 bytes, encoded as base64url. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-base64url-latin1 first.
POST/color-hsl-to-rgb$0.008Call when an agent needs a color converted with hsl-to-rgb. No network. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/color-hsl-to-rgb first.
POST/profile-og-video$0.001Call when an agent needs og:video extracted from a public page or HTML (SSRF-safe). Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/profile-og-video first.
POST/id-uuid-v4$0.006Call when an agent needs whether a string is a valid uuid-v4. No network. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/id-uuid-v4 first.
POST/css-label$0.008Call when an agent needs label text via label from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/css-label first.
POST/dns-srv-snmp$0.006Call when an agent needs SRV records at _snmp._udp.{hostname} for SNMP. The caller sends the registrable domain, not the underscored name. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-snmp first.
POST/digest-sha3-256-base64-latin1$0.001Call when an agent needs a sha3-256 digest of latin1 bytes, encoded as base64. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-base64-latin1 first.
POST/digest-sha3-224-base64url$0.001Call when an agent needs a sha3-224 digest of text, encoded as base64url. No network and no LLM. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-224-base64url first.
POST/norm-tabs-to-spaces$0.007Call when an agent needs text normalized with tabs-to-spaces. No network and no LLM. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/norm-tabs-to-spaces first.
POST/base36-decode$0.008Call when an agent needs text decoded with base36. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/base36-decode first.
POST/json-drop-null$0.006Call when an agent needs JSON rewritten with the drop-null transform. No network. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/json-drop-null first.
POST/hmac-sha256-base64$0.006Call when an agent needs an HMAC-sha256 of text with a caller-supplied key, encoded as base64. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha256-base64 first.
POST/ngram-char-4$0.008Call when an agent needs counts of char 4-grams. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/ngram-char-4 first.
POST/dns-srv-airplay$0.003Call when an agent needs SRV records at _airplay._tcp.{hostname} for AirPlay. The caller sends the registrable domain, not the underscored name. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-airplay 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.16 Oct 2026

All 9 checks

When (UTC)	Result	HTTP	Response
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 16 Oct, 18:49 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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