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/quoted-printable-decode$0.006Call when an agent needs text decoded with quoted-printable. No network and no LLM. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/quoted-printable-decode first.
POST/profile-icon$0.007Call when an agent needs link rel containing icon, excluding apple and mask extracted from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/profile-icon first.
POST/slug-hyphen-40-unicode$0.006Call when an agent needs a slug using "-", capped at 40 characters, keeping Unicode letters. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/slug-hyphen-40-unicode first.
POST/diff-words$0.01Call when an agent needs a words diff of two strings. No network. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/diff-words first.
POST/profile-dd$0.001Call when an agent needs dd text extracted from a public page or HTML (SSRF-safe). Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/profile-dd first.
POST/base64-encode$0.009Call when an agent needs text encoded with base64. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/base64-encode first.
POST/check-iban-mt$0.009Call when an agent needs whether an IBAN is a mod-97-valid MT number of length 31. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-iban-mt first.
POST/check-card-discover$0.01Call when an agent needs whether a number passes Luhn and matches discover. Nothing is stored. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-card-discover first.
POST/slug-underscore-120-ascii$0.009Call when an agent needs a slug using "_", capped at 120 characters, ASCII-folded. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/slug-underscore-120-ascii first.
POST/check-iban-ge$0.004Call when an agent needs whether an IBAN is a mod-97-valid GE number of length 22. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-iban-ge first.
POST/ical-vevent$0.004Call when an agent needs parsed VEVENT items from iCalendar text. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/ical-vevent first.
POST/ua-parse$0.001Call when an agent needs a User-Agent string parsed into browser, OS, and device. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/ua-parse first.
POST/digest-md5-hex-utf16$0.001Call when an agent needs a md5 digest of utf16le bytes, encoded as hex. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-md5-hex-utf16 first.
POST/digest-sha256-base32-utf16$0.004Call when an agent needs a sha256 digest of utf16le bytes, encoded as base32. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-sha256-base32-utf16 first.
POST/check-hostname$0.005Call when an agent needs whether a string is an ASCII DNS hostname. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-hostname first.
POST/dns-srv-autodiscover$0.01Call when an agent needs SRV records at _autodiscover._tcp.{hostname} for Autodiscover. The caller sends the registrable domain, not the underscored name. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-autodiscover first.
POST/cron-describe$0.002Call when an agent needs a cron expression explained in English. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/cron-describe first.
POST/digest-sha384-base32-utf16$0.006Call when an agent needs a sha384 digest of utf16le bytes, encoded as base32. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-sha384-base32-utf16 first.
POST/ngram-word-1$0.009Call when an agent needs counts of word 1-grams. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/ngram-word-1 first.
POST/check-url-https$0.006Call when an agent needs whether a URL uses the https scheme. No fetch. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-url-https first.
POST/digest-ripemd160-base64url$0.005Call when an agent needs a ripemd160 digest of text, encoded as base64url. No network and no LLM. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-ripemd160-base64url first.
POST/tls-self-signed$0.001Call when an agent needs whether the port-443 issuer DN equals the subject DN. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/tls-self-signed first.
POST/digest-sha384-base64url$0.005Call when an agent needs a sha384 digest of text, encoded as base64url. No network and no LLM. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-sha384-base64url first.
POST/xpath-h6$0.003Call when an agent needs text of //h6 via //h6 from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/xpath-h6 first.
POST/profile-atom$0.004Call when an agent needs application/atom+xml alternate hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/profile-atom 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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