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/xpath-video-poster$0.002Call when an agent needs poster attributes of //video via //video/@poster from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/xpath-video-poster first.
POST/digest-sha3-384-hex$0.007Call when an agent needs a sha3-384 digest of text, encoded as hex. No network and no LLM. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-384-hex first.
POST/dns-aaaa$0.007Call when an agent needs IPv6 addresses only. Empty is an error. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/dns-aaaa first.
POST/profile-icon-mask$0.009Call when an agent needs mask-icon hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/profile-icon-mask first.
POST/lines-drop-hash$0.001Call when an agent needs lines of text transformed with drop-hash. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/lines-drop-hash first.
POST/regex-mac$0.006Call when an agent needs colon MAC addresses 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-mac first.
POST/check-date-datetime$0.001Call when an agent needs whether a string is an ISO datetime with a Z suffix. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-date-datetime first.
POST/hmac-sha224-hex$0.01Call when an agent needs an HMAC-sha224 of text with a caller-supplied key, encoded as hex. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha224-hex first.
POST/check-iban-cr$0.01Call when an agent needs whether an IBAN is a mod-97-valid CR number of length 22. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-iban-cr first.
POST/base-token-facts$0.01Call when an agent needs ERC-20 metadata, proxy and owner flags, a 30-day recently_deployed heuristic, and an optional holder balance for one Base token. Send token and optional holder. No LLM. Read-only. Send JSON {"token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","holder":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"}. Exact $0.01 USDC on Base. Try unpaid POST /v1/sandbox/base-token-facts first.
POST/xpath-lang$0.006Call when an agent needs text of elements that have a lang attribute via //*[@lang] from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/xpath-lang first.
POST/regex-shebang$0.005Call when an agent needs shebang lines extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/regex-shebang first.
POST/extract-links$0.003Call when an agent needs absolute, de-duplicated links (cap 500) from a public URL or provided HTML. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/extract-links first.
POST/css-legend$0.001Call when an agent needs legend text via legend from a public page or HTML (SSRF-safe). Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/css-legend first.
POST/digest-md5-base32-utf16$0.01Call when an agent needs a md5 digest of utf16le bytes, encoded as base32. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/digest-md5-base32-utf16 first.
POST/punycode-decode$0.002Call when an agent needs text decoded with punycode. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/punycode-decode first.
POST/case-cobol$0.007Call when an agent needs text rewritten with the cobol case transform. No network and no LLM. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/case-cobol first.
POST/dns-srv-pubsub$0.006Call when an agent needs SRV records at _pubsub._tcp.{hostname} for XMPP pubsub. The caller sends the registrable domain, not the underscored name. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-pubsub first.
POST/check-iban-kz$0.002Call when an agent needs whether an IBAN is a mod-97-valid KZ number of length 20. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-iban-kz first.
POST/checksum-crc32-hex$0.005Call when an agent needs a crc32 checksum of text as hex. No network and no LLM. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/checksum-crc32-hex first.
POST/dns-srv-ftp$0.002Call when an agent needs SRV records at _ftp._tcp.{hostname} for FTP. The caller sends the registrable domain, not the underscored name. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-ftp first.
POST/uuid-name-v3-dns$0.009Call when an agent needs a deterministic UUID v3 in the dns namespace. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/uuid-name-v3-dns first.
POST/hmac-sha3-384-hex$0.003Call when an agent needs an HMAC-sha3-384 of text with a caller-supplied key, encoded as hex. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-384-hex first.
POST/slug-hyphen-160-ascii$0.001Call when an agent needs a slug using "-", capped at 160 characters, ASCII-folded. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/slug-hyphen-160-ascii first.
POST/spf-dmarc$0.003Call when an agent needs SPF and DMARC policy parsed from TXT records for a public hostname. Use it to read a domain's mail authentication policy. No mail is sent. Send JSON {"hostname":"example.com"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/spf-dmarc 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

Also live on x402 · Base

100pro Token Risk ScreenRead-only due diligence for onchain traders and agents, paid per call over x402 on Base.
Base Token VerdictCheck this CA: Base ERC-20 verdict of a token contract address.
Blackwood State Domain IntelUse when you need a whois or domain lookup, dns records, email security checks or…
bruk-agent-api.fly.devChecks whether an XRP Ledger token issuer is who it claims to be: two-way domain…

Browse the index

Something wrong on this page? Tell us.