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-summary$0.005Call when an agent needs summary text extracted from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/profile-summary first.
POST/profile-meta-robots$0.007Call when an agent needs the meta robots directive extracted from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/profile-meta-robots first.
POST/tech-hints$0.008Call when an agent needs lightweight stack hints from response headers + HTML (generator, x-powered-by, fingerprints, analytics booleans). No browser. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/tech-hints first.
POST/digest-sha512-base64url$0.009Call when an agent needs a sha512 digest of text, encoded as base64url. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-base64url first.
POST/percent-encode$0.005Call when an agent needs text encoded with percent. No network and no LLM. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/percent-encode first.
POST/eth-total-supply$0.001Call when an agent needs ERC-20 totalSupply for one Ethereum mainnet token, raw and human when decimals() is readable. Send token. Read-only eth_call on eip155:1. No spend. Send JSON {"token":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/eth-total-supply first.
POST/digest-sha512-224-base32$0.004Call when an agent needs a sha512-224 digest of text, encoded as base32. No network and no LLM. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-224-base32 first.
POST/dns-srv-ssh$0.003Call when an agent needs SRV records at _ssh._tcp.{hostname} for SSH. The caller sends the registrable domain, not the underscored name. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-ssh first.
POST/profile-header$0.009Call when an agent needs header text extracted from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/profile-header first.
POST/utf16-hex-decode$0.01Call when an agent needs text decoded with utf16-hex. No network and no LLM. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/utf16-hex-decode first.
POST/hmac-sha224-base64$0.001Call when an agent needs an HMAC-sha224 of text with a caller-supplied key, encoded as base64. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha224-base64 first.
POST/extract-emails$0.003Call when an agent needs public emails already written on a page URL or in HTML (de-duped, cap 100). Use it only to read addresses that are present. It does not guess or enrich. Provide url or html. Send JSON {"html":"Contact [email protected] for a demo."}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/extract-emails first.
POST/rdap$0.005Call when an agent needs an RDAP domain record (status, nameservers, registrar, events) for a public hostname. Use it when WHOIS port 43 is unavailable. Private names are blocked. Send JSON {"hostname":"example.com"}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/rdap first.
POST/profile-meta-theme-color$0.009Call when an agent needs the theme-color meta value extracted from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/profile-meta-theme-color first.
POST/check-iban-sm$0.007Call when an agent needs whether an IBAN is a mod-97-valid SM number of length 27. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-iban-sm first.
POST/check-mime$0.004Call when an agent needs whether a string is a type/subtype media type. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-mime first.
POST/dns-srv-raop$0.004Call when an agent needs SRV records at _raop._tcp.{hostname} for RAOP. The caller sends the registrable domain, not the underscored name. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-raop first.
POST/pdf-to-md$0.01Call when an agent needs text extracted from a public PDF URL (SSRF-safe) or pdf_base64 (8MB cap) as markdown. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/pdf-to-md first.
POST/dns-srv-turn$0.005Call when an agent needs SRV records at _turn._tcp.{hostname} for TURN. The caller sends the registrable domain, not the underscored name. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-turn first.
POST/cron-next-6-5$0.01Call when an agent needs the next 5 UTC times for a 6-field cron expression. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/cron-next-6-5 first.
POST/case-swap$0.003Call when an agent needs text rewritten with the swap case transform. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/case-swap first.
POST/dns-srv-kpasswd$0.003Call when an agent needs SRV records at _kpasswd._tcp.{hostname} for Kerberos password. The caller sends the registrable domain, not the underscored name. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-kpasswd first.
POST/base58check-p2pkh-encode$0.003Call when an agent needs text encoded with base58check-p2pkh. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/base58check-p2pkh-encode first.
POST/html-to-text$0.001Call when an agent needs HTML converted to plain text (scripts and styles removed). No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/html-to-text first.
POST/base-erc20-meta$0.003Call when an agent needs ERC-20 name, symbol, decimals, and totalSupply for one Base token. Send token (example Circle USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). Read-only eth_call on eip155:8453. Not a contract, or no ERC-20 methods, errors. No spend. Send JSON {"token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/base-erc20-meta 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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