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/css-td$0.006Call when an agent needs table cell text via td from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/css-td first.
POST/css-link-rel$0.01Call when an agent needs link rel values via link[rel] from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/css-link-rel first.
POST/unicode-escape-decode$0.004Call when an agent needs text decoded with unicode-escape. No network and no LLM. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/unicode-escape-decode first.
POST/css-iframe-src$0.006Call when an agent needs iframe sources via iframe[src] from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/css-iframe-src first.
POST/check-cron-6$0.005Call when an agent needs whether a string is a 6-field cron expression. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-cron-6 first.
POST/eth-tx$0.003Call when an agent needs status, block, gas used, and decoded ERC-20 Transfer logs for one Ethereum mainnet transaction hash. Status is success, reverted, or pending. A missing hash errors. Read-only. No spend. Send JSON {"hash":"0xabababababababababababababababababababababababababababababababab"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/eth-tx first.
POST/regex-ean$0.01Call when an agent needs EAN-13 digit strings extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/regex-ean first.
POST/dns-txt-domainconnect$0.001Call when an agent needs TXT at _domainconnect. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-domainconnect first.
POST/base-tx-logs$0.005Call when an agent needs a Base transaction receipt with decoded ERC-20 Transfer and Approval events, raw and human amounts when decimals are readable. A missing hash errors. Read-only. No spend. Send JSON {"hash":"0xabababababababababababababababababababababababababababababababab"}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/base-tx-logs first.
POST/hmac-sha3-512-base64url$0.008Call when an agent needs an HMAC-sha3-512 of text with a caller-supplied key, encoded as base64url. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-512-base64url first.
POST/profile-jsonld-review$0.007Call when an agent needs JSON-LD @type Review extracted from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/profile-jsonld-review first.
POST/digest-sha512-hex$0.007Call when an agent needs a sha512 digest of text, encoded as hex. No network and no LLM. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-hex first.
POST/dns-ptr$0.007Call when an agent needs PTR records at the exact public hostname. An empty answer is records: [] and is billed. Not the bundled reverse-dns SKU. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/dns-ptr first.
POST/eth-balance$0.001Call when an agent needs Ethereum mainnet ETH and USDC balances plus tx_count for one address. Send address as EIP-55 or all-lowercase 0x. Read-only eth_getBalance and USDC balanceOf on eip155:1. No private key and no spend. Send JSON {"address":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/eth-balance first.
POST/regex-lei$0.009Call when an agent needs LEI-shaped tokens extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/regex-lei first.
POST/profile-rel-manifest$0.009Call when an agent needs link rel=manifest hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/profile-rel-manifest first.
POST/css-meta-og-title$0.006Call when an agent needs og:title content via meta[property='og:title'] from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/css-meta-og-title first.
POST/dns-srv-pop3$0.008Call when an agent needs SRV records at _pop3._tcp.{hostname} for POP3. The caller sends the registrable domain, not the underscored name. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-pop3 first.
POST/profile-jsonld-article$0.002Call when an agent needs JSON-LD @type Article, NewsArticle, or BlogPosting extracted from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/profile-jsonld-article first.
POST/digest-shake256-base64$0.006Call when an agent needs a shake256 digest of text, encoded as base64. No network and no LLM. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/digest-shake256-base64 first.
POST/regex-uuid$0.004Call when an agent needs UUIDs extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/regex-uuid first.
POST/profile-article-section$0.002Call when an agent needs article:section extracted from a public page or HTML (SSRF-safe). Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/profile-article-section first.
POST/dns-txt-dkim-s2$0.003Call when an agent needs TXT at s2._domainkey.{hostname}. A different selector is a different DNS name. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-dkim-s2 first.
POST/base64url-decode$0.002Call when an agent needs text decoded with base64url. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/base64url-decode first.
POST/digest-sha1-hex-rawhex$0.005Call when an agent needs a sha1 digest of hex bytes, encoded as hex. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-sha1-hex-rawhex 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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