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/case-camel$0.005Call when an agent needs text rewritten with the camel case transform. No network and no LLM. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/case-camel first.
POST/digest-sha3-224-base64url-latin1$0.002Call when an agent needs a sha3-224 digest of latin1 bytes, encoded as base64url. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-224-base64url-latin1 first.
POST/check-iban-pt$0.01Call when an agent needs whether an IBAN is a mod-97-valid PT number of length 25. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-iban-pt first.
POST/dns-srv-terraria$0.009Call when an agent needs SRV records at _terraria._tcp.{hostname} for Terraria. The caller sends the registrable domain, not the underscored name. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-terraria first.
POST/regex-doi$0.003Call when an agent needs DOI identifiers extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/regex-doi first.
POST/slug-underscore-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-underscore-40-ascii first.
POST/xpath-input-type$0.001Call when an agent needs type attributes of //input via //input/@type from a public page or HTML (SSRF-safe). Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/xpath-input-type first.
POST/norm-curly-quotes$0.002Call when an agent needs text normalized with curly-quotes. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/norm-curly-quotes first.
POST/slug-hyphen-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-hyphen-120-ascii first.
POST/regex-vin$0.008Call when an agent needs VIN-shaped tokens extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/regex-vin first.
POST/profile-rel-edit$0.001Call when an agent needs link rel=edit hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/profile-rel-edit first.
POST/css-select-name$0.004Call when an agent needs select names via select[name] from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/css-select-name first.
POST/regex-hex-color$0.002Call when an agent needs hex colors extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/regex-hex-color first.
POST/eth-block-number$0.001Call when an agent needs the latest Ethereum mainnet block number. Send tag latest, or an empty object. Read-only eth_blockNumber on eip155:1. No spend. Send JSON {"tag":"latest"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/eth-block-number first.
POST/check-card-mastercard$0.008Call when an agent needs whether a number passes Luhn and matches mastercard. Nothing is stored. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-card-mastercard first.
POST/digest-blake2b512-base64url-utf16$0.009Call when an agent needs a blake2b512 digest of utf16le bytes, encoded as base64url. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2b512-base64url-utf16 first.
POST/profile-dt$0.01Call when an agent needs dt text extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-dt first.
POST/digest-sha3-224-hex-latin1$0.006Call when an agent needs a sha3-224 digest of latin1 bytes, encoded as hex. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-224-hex-latin1 first.
POST/slug-hyphen-80-unicode$0.008Call when an agent needs a slug using "-", capped at 80 characters, keeping Unicode letters. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/slug-hyphen-80-unicode first.
POST/digest-blake2b512-hex-latin1$0.004Call when an agent needs a blake2b512 digest of latin1 bytes, encoded as hex. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2b512-hex-latin1 first.
POST/digest-sha384-base64url-utf16$0.003Call when an agent needs a sha384 digest of utf16le bytes, encoded as base64url. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-sha384-base64url-utf16 first.
POST/profile-jsonld-event$0.004Call when an agent needs JSON-LD @type Event extracted from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/profile-jsonld-event first.
POST/digest-sha3-256-base32-utf16$0.006Call when an agent needs a sha3-256 digest of utf16le bytes, encoded as base32. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-base32-utf16 first.
POST/digest-blake2s256-base32-latin1$0.005Call when an agent needs a blake2s256 digest of latin1 bytes, encoded as base32. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2s256-base32-latin1 first.
POST/css-th$0.005Call when an agent needs table header text via th from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/css-th 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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