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/digest-sha3-224-hex-utf16$0.005Call when an agent needs a sha3-224 digest of utf16le bytes, encoded as hex. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-224-hex-utf16 first.
POST/slug-underscore-160-ascii$0.001Call when an agent needs a slug using "_", capped at 160 characters, ASCII-folded. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/slug-underscore-160-ascii first.
POST/profile-twitter-description$0.004Call when an agent needs twitter:description extracted from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/profile-twitter-description first.
POST/css-img-alt$0.007Call when an agent needs image alt text via img[alt] from a public page or HTML (SSRF-safe). Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/css-img-alt first.
POST/redact-pem$0.006Call when an agent needs pem matches redacted in text. Nothing is stored. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/redact-pem first.
POST/digest-sha512-256-hex-rawhex$0.005Call when an agent needs a sha512-256 digest of hex bytes, encoded as hex. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/digest-sha512-256-hex-rawhex first.
POST/css-data-value$0.006Call when an agent needs data value attributes via data[value] from a public page or HTML (SSRF-safe). Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/css-data-value first.
POST/base-tx$0.005Call when an agent needs status, block, gas used, and decoded ERC-20 Transfer logs for one Base tx hash. Status is success, reverted, or pending. USDC transfers are included. 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 first.
POST/basename-resolve$0.005Call when an agent needs a Base Basename forward or reverse lookup. Send name (alice or alice.base.eth) or address, not both. Single labels become label.base.eth. Base registry only: no L1 CCIP-read. Unresolved is resolved false. Send JSON {"name":"alice.base.eth"}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/basename-resolve first.
POST/digest-blake2b512-base32$0.008Call when an agent needs a blake2b512 digest of text, encoded as base32. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2b512-base32 first.
POST/digest-sha1-base32$0.008Call when an agent needs a sha1 digest of text, encoded as base32. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/digest-sha1-base32 first.
POST/dns-txt-dkim-k2$0.008Call when an agent needs TXT at k2._domainkey.{hostname}. A different selector is a different DNS name. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-dkim-k2 first.
POST/ngram-word-2$0.01Call when an agent needs counts of word 2-grams. No network and no LLM. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/ngram-word-2 first.
POST/css-p$0.005Call when an agent needs paragraph text via p from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/css-p first.
POST/check-iban-at$0.008Call when an agent needs whether an IBAN is a mod-97-valid AT number of length 20. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-iban-at first.
POST/digest-sha3-256-base64-utf16$0.01Call when an agent needs a sha3-256 digest of utf16le bytes, encoded as base64. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-256-base64-utf16 first.
POST/profile-jsonld-recipe$0.005Call when an agent needs JSON-LD @type Recipe extracted from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/profile-jsonld-recipe first.
POST/xpath-dt$0.008Call when an agent needs text of //dt via //dt from a public page or HTML (SSRF-safe). Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/xpath-dt first.
POST/profile-img-alt$0.01Call when an agent needs img alt values extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-img-alt first.
POST/digest-blake2b512-base32-latin1$0.003Call when an agent needs a blake2b512 digest of latin1 bytes, encoded as base32. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-blake2b512-base32-latin1 first.
POST/lines-lowercase$0.009Call when an agent needs lines of text transformed with lowercase. No network. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/lines-lowercase first.
POST/keyword-density$0.002Call when an agent needs top keyword counts and density for text. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/keyword-density first.
POST/digest-sha256-base64-rawhex$0.01Call when an agent needs a sha256 digest of hex bytes, encoded as base64. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/digest-sha256-base64-rawhex first.
POST/xpath-link-hreflang$0.003Call when an agent needs hreflang attributes of //link via //link/@hreflang from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/xpath-link-hreflang first.
POST/dns-txt-dkim-mandrill$0.007Call when an agent needs TXT at mandrill._domainkey.{hostname}. A different selector is a different DNS name. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-dkim-mandrill 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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