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-itemprop$0.009Call when an agent needs itemprop values extracted from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/profile-itemprop first.
POST/digest-sha3-384-base32-rawhex$0.01Call when an agent needs a sha3-384 digest of hex bytes, encoded as base32. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-384-base32-rawhex first.
POST/dns-caa$0.003Call when an agent needs CAA records as critical, tag, and value. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/dns-caa first.
POST/profile-nofollow-href$0.005Call when an agent needs hrefs of anchors with rel=nofollow extracted from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/profile-nofollow-href first.
POST/digest-sha512-224-base32-latin1$0.001Call when an agent needs a sha512-224 digest of latin1 bytes, encoded as base32. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-base32-latin1 first.
POST/id-uuid-v3$0.005Call when an agent needs whether a string is a valid uuid-v3. No network. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/id-uuid-v3 first.
POST/digest-blake2s256-base32-rawhex$0.006Call when an agent needs a blake2s256 digest of hex bytes, encoded as base32. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2s256-base32-rawhex first.
POST/css-a-href$0.001Call when an agent needs anchor hrefs via a[href] from a public page or HTML (SSRF-safe). Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/css-a-href first.
POST/checksum-crc16-ccitt-dec$0.004Call when an agent needs a crc16-ccitt checksum of text as dec. No network and no LLM. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/checksum-crc16-ccitt-dec first.
POST/regex-wikidata$0.006Call when an agent needs Wikidata Q ids extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/regex-wikidata first.
POST/digest-sha512-base32-latin1$0.009Call when an agent needs a sha512 digest of latin1 bytes, encoded as base32. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-base32-latin1 first.
POST/dns-mx$0.008Call when an agent needs MX records only, formatted as priority and exchange. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/dns-mx first.
POST/check-url-web$0.007Call when an agent needs whether a URL is http or https. No fetch. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-url-web first.
POST/check-iban-sc$0.006Call when an agent needs whether an IBAN is a mod-97-valid SC number of length 31. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-iban-sc first.
POST/hex-decode$0.004Call when an agent needs text decoded with hex. No network and no LLM. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/hex-decode first.
POST/hmac-blake2s256-base64url$0.009Call when an agent needs an HMAC-blake2s256 of text with a caller-supplied key, encoded as base64url. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/hmac-blake2s256-base64url first.
POST/digest-md5-base32-latin1$0.001Call when an agent needs a md5 digest of latin1 bytes, encoded as base32. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-md5-base32-latin1 first.
POST/md-to-html$0.001Call when an agent needs Markdown converted to HTML (headings, lists, links, code, emphasis). No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/md-to-html first.
POST/dns-lookup$0.003Call when an agent needs public DNS A, AAAA, MX, TXT, and CNAME records for a hostname. Use it to see where a domain points. Optional types limits the query. Private targets are blocked. Send JSON {"hostname":"example.com","types":["A","AAAA","MX","TXT","CNAME"]}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/dns-lookup first.
POST/profile-meta-keywords$0.005Call when an agent needs the meta keywords extracted from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/profile-meta-keywords first.
POST/checksum-adler32-hex$0.009Call when an agent needs a adler32 checksum of text as hex. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/checksum-adler32-hex first.
POST/check-card-any$0.006Call when an agent needs whether a card-shaped number passes Luhn. Nothing is stored. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-card-any first.
POST/dns-srv-valheim$0.008Call when an agent needs SRV records at _valheim._udp.{hostname} for Valheim. The caller sends the registrable domain, not the underscored name. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-valheim first.
POST/digest-sha1-base32-latin1$0.003Call when an agent needs a sha1 digest of latin1 bytes, encoded as base32. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-sha1-base32-latin1 first.
POST/ical-vtodo$0.005Call when an agent needs parsed VTODO items from iCalendar text. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/ical-vtodo 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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