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-footer-text$0.002Call when an agent needs footer text extracted from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/profile-footer-text first.
POST/check-ip-cidr6$0.01Call when an agent needs whether a string is an IPv6 CIDR prefix. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-ip-cidr6 first.
POST/xpath-textarea-name$0.008Call when an agent needs name attributes of //textarea via //textarea/@name from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/xpath-textarea-name first.
POST/digest-sha384-hex-utf16$0.007Call when an agent needs a sha384 digest of utf16le bytes, encoded as hex. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha384-hex-utf16 first.
POST/percent-decode$0.006Call when an agent needs text decoded with percent. No network and no LLM. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/percent-decode first.
POST/check-iban-ua$0.002Call when an agent needs whether an IBAN is a mod-97-valid UA number of length 29. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-iban-ua first.
POST/cron-next-6-8$0.001Call when an agent needs the next 8 UTC times for a 6-field cron expression. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/cron-next-6-8 first.
POST/check-schema-2019-09$0.008Call when an agent needs a limited JSON Schema 2019-09 check. Dialects disagree on exclusive bounds and format. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-schema-2019-09 first.
POST/hex-encode$0.003Call when an agent needs text encoded with hex. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/hex-encode first.
POST/slug-dot-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-dot-24-ascii first.
POST/lines-trim$0.004Call when an agent needs lines of text transformed with trim. No network. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/lines-trim first.
POST/check-iban-pk$0.001Call when an agent needs whether an IBAN is a mod-97-valid PK number of length 24. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-iban-pk first.
POST/cron-next-5-12$0.006Call when an agent needs the next 12 UTC times for a 5-field cron expression. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/cron-next-5-12 first.
POST/ip-geo$0.003Call when an agent needs IP geolocation: country, region, city, coordinates, ASN, and ISP for a public IPv4 or IPv6 address. Use it to place a public IP. Private and metadata addresses are rejected. Send JSON {"ip":"8.8.8.8"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/ip-geo first.
POST/check-vat-se$0.002Call when an agent needs whether a SE VAT checksum is valid. No registry lookup. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-vat-se first.
POST/check-ip-cidr4$0.009Call when an agent needs whether a string is an IPv4 CIDR prefix. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-ip-cidr4 first.
POST/check-iban-gi$0.005Call when an agent needs whether an IBAN is a mod-97-valid GI number of length 23. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-iban-gi first.
POST/profile-li$0.002Call when an agent needs li text extracted from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/profile-li first.
POST/xpath-role$0.005Call when an agent needs text of elements with role via //*[@role] from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/xpath-role first.
POST/digest-sha3-256-base64$0.004Call when an agent needs a sha3-256 digest of text, encoded as base64. No network and no LLM. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-base64 first.
POST/css-input-type$0.002Call when an agent needs input types via input[type] from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/css-input-type first.
POST/profile-jsonld-course$0.009Call when an agent needs JSON-LD @type Course extracted from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/profile-jsonld-course first.
POST/base-nonce$0.002Call when an agent needs the next pending nonce and confirmed transaction count for one Base address. Send address (EIP-55 or one case). Read-only eth_getTransactionCount on eip155:8453. No spend. Send JSON {"address":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/base-nonce first.
POST/digest-sha3-224-base32-rawhex$0.006Call when an agent needs a sha3-224 digest of hex bytes, encoded as base32. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-224-base32-rawhex first.
POST/xpath-aria-label$0.004Call when an agent needs text of elements with aria-label via //*[@aria-label] from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/xpath-aria-label 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

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