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/page-audit$0.01Call when an agent needs a structured SEO and technical audit of a public URL: HTTPS, status, title, meta description, robots, canonical, JSON-LD, H1 count, load hints, score 0–100, and issues[]. Use it before citing or submitting a page. SSRF-safe. Send JSON {"url":"https://example.com/"}. Exact $0.01 USDC on Base. Try unpaid POST /v1/sandbox/page-audit first.
POST/redact-ipv4$0.009Call when an agent needs ipv4 matches redacted in text. Nothing is stored. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/redact-ipv4 first.
POST/base-contract-info$0.005Call when an agent needs is_contract, bytecode size and hash, EIP-1967 proxy implementation, and owner() for one Base address. owner_renounced is true for the zero address or the dead address. An EOA is is_contract false. Read-only. Send JSON {"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/base-contract-info first.
POST/digest-sha512-224-hex$0.001Call when an agent needs a sha512-224 digest of text, encoded as hex. No network and no LLM. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-hex first.
POST/xpath-h4$0.001Call when an agent needs text of //h4 via //h4 from a public page or HTML (SSRF-safe). Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/xpath-h4 first.
POST/slug-plus-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-plus-80-unicode first.
POST/id-uuid-nil$0.009Call when an agent needs whether a string is a valid uuid-nil. No network. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/id-uuid-nil first.
POST/xpath-img-srcset$0.001Call when an agent needs srcset attributes of //img via //img/@srcset from a public page or HTML (SSRF-safe). Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/xpath-img-srcset first.
POST/digest-shake128-base64$0.002Call when an agent needs a shake128 digest of text, encoded as base64. No network and no LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/digest-shake128-base64 first.
POST/css-option$0.01Call when an agent needs option text via option from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/css-option first.
POST/slug-plus-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-plus-40-ascii first.
POST/digest-sha3-384-base64$0.008Call when an agent needs a sha3-384 digest of text, encoded as base64. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-384-base64 first.
POST/lines-sort-length$0.007Call when an agent needs lines of text transformed with sort-length. No network. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/lines-sort-length first.
POST/profile-itemtype$0.01Call when an agent needs itemtype values extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-itemtype first.
POST/dns-srv-submission-udp$0.001Call when an agent needs SRV records at _submission._udp.{hostname} for submission over UDP. The caller sends the registrable domain, not the underscored name. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-submission-udp first.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 15 of 1,215 listed 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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