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/check-iban-es$0.003Call when an agent needs whether an IBAN is a mod-97-valid ES number of length 24. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-iban-es first.
POST/timezone$0.002Call when an agent needs an IANA timezone, local_time ISO, utc_offset, and dst for coordinates or a city. Send lat and lon together (example 40.7128 and -74.006) or city (example New York). A city is geocoded first. Timezone data is offline. No arbitrary URL. Send JSON {"lat":40.7128,"lon":-74.006}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/timezone first.
POST/css-time-datetime$0.005Call when an agent needs time datetime values via time[datetime] from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/css-time-datetime first.
POST/check-mac-dash$0.002Call when an agent needs whether a string is a dash-separated MAC address. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-mac-dash first.
POST/slug-tilde-40-ascii$0.005Call when an agent needs a slug using "~", capped at 40 characters, ASCII-folded. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/slug-tilde-40-ascii first.
POST/xpath-amphtml$0.003Call when an agent needs href of link rel=amphtml via //link[@rel='amphtml']/@href from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/xpath-amphtml first.
POST/json-to-yaml$0.001Call when an agent needs JSON converted to YAML. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/json-to-yaml first.
POST/slug-hyphen-24-ascii$0.003Call when an agent needs a slug using "-", capped at 24 characters, ASCII-folded. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/slug-hyphen-24-ascii first.
POST/dns-txt-dkim-zoho$0.009Call when an agent needs TXT at zoho._domainkey.{hostname}. A different selector is a different DNS name. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-dkim-zoho first.
POST/hmac-sha3-256-base64$0.005Call when an agent needs an HMAC-sha3-256 of text with a caller-supplied key, encoded as base64. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-256-base64 first.
POST/csv-comma$0.004Call when an agent needs CSV parsed with a forced comma delimiter. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/csv-comma first.
POST/html-named-decode$0.008Call when an agent needs text decoded with html-named. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/html-named-decode first.
POST/css-form-method$0.01Call when an agent needs form methods via form[method] from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/css-form-method first.
POST/check-iban-lb$0.003Call when an agent needs whether an IBAN is a mod-97-valid LB number of length 28. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-iban-lb first.
POST/profile-h1$0.008Call when an agent needs h1 text extracted from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/profile-h1 first.
POST/check-iban-tr$0.001Call when an agent needs whether an IBAN is a mod-97-valid TR number of length 26. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-iban-tr first.
POST/dns-txt-dkim-dkim$0.002Call when an agent needs TXT at dkim._domainkey.{hostname}. A different selector is a different DNS name. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-dkim-dkim first.
POST/digest-sha3-512-base64url-latin1$0.008Call when an agent needs a sha3-512 digest of latin1 bytes, encoded as base64url. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-512-base64url-latin1 first.
POST/xpath-itemprop$0.006Call when an agent needs text of elements with itemprop via //*[@itemprop] from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/xpath-itemprop first.
POST/digest-sha3-256-hex-utf16$0.007Call when an agent needs a sha3-256 digest of utf16le bytes, encoded as hex. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-hex-utf16 first.
POST/check-vat-ee$0.001Call when an agent needs whether a EE VAT checksum is valid. No registry lookup. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-vat-ee first.
POST/check-iban-me$0.007Call when an agent needs whether an IBAN is a mod-97-valid ME number of length 22. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-iban-me first.
POST/csv-semicolon$0.005Call when an agent needs CSV parsed with a forced semicolon delimiter. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/csv-semicolon first.
POST/regex-jwt$0.006Call when an agent needs JWT-shaped tokens (no verify) 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-jwt first.
POST/check-phone-min7$0.003Call when an agent needs whether a phone has at least 7 digits. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-phone-min7 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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