Sato Hub
x402 merchant

agentshelf.syntexa.ch

Developer tools API on Base, paid per request with x402.

  • Endpoints1,182
  • Price per requestfrom $0.001
  • Outside payers · 7d0
  • Answer 4021 of 1

Overview

as of 2026-10-11
Seller wallet
0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a38
Chains
Base
Hosts
agentshelf.syntexa.ch
CategoriesCategoriesAssigned automatically from the seller’s own listing text. A filter hint, not a claim about the service.
Developer tools544Web data277Other178Identity147Commerce25Media6Market data3AI models1Onchain data1
First seen
2026-10-05 · last seen 2026-10-11

What we observed

No outside payments seen · 7d, not observedAnswers 402, observedNot claimed
See the readings

Endpoints

EndpointsDescriptions are the seller's own words from the catalogue and are not checked by us. A listed price is a registration, not an observed charge.
1,182 registered
  • https://agentshelf.syntexa.ch/v1/profile-citation-doi

    Call when an agent needs citation_doi extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-citation-doi first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/profile-code

    Call when an agent needs code element text extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-code first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/profile-dt

    Call 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.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/profile-h3

    Call when an agent needs h3 text extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-h3 first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/profile-icon-shortcut

    Call when an agent needs shortcut icon hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-icon-shortcut first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/profile-img-alt

    Call 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.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/profile-itemtype

    Call 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.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/profile-jsonld-dataset

    Call when an agent needs JSON-LD @type Dataset extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-jsonld-dataset first.

    BaseDeveloper tools

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/profile-meta-generator

    Call when an agent needs the meta generator extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-meta-generator first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/profile-og-audio

    Call when an agent needs og:audio extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-og-audio first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/profile-rel-author

    Call when an agent needs link rel=author hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-rel-author first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/profile-rel-shortlink

    Call when an agent needs link rel=shortlink hrefs extracted from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/profile-rel-shortlink first.

    BaseDeveloper tools

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/redact-url

    Call when an agent needs url matches redacted in text. Nothing is stored. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/redact-url first.

    BaseDeveloper tools

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/regex-ean

    Call 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.

    BaseDeveloper tools

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/regex-ipv4

    Call when an agent needs IPv4 addresses 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-ipv4 first.

    BaseDeveloper tools

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/regex-iso-date

    Call when an agent needs ISO dates 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-iso-date first.

    BaseDeveloper tools

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/regex-issn

    Call when an agent needs ISSN tokens 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-issn first.

    BaseDeveloper tools

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/slug-dot-120-unicode

    Call when an agent needs a slug using ".", capped at 120 characters, keeping Unicode letters. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/slug-dot-120-unicode first.

    BaseCommerce

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/slug-hyphen-120-unicode

    Call when an agent needs a slug using "-", capped at 120 characters, keeping Unicode letters. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/slug-hyphen-120-unicode first.

    BaseCommerce

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/slug-plus-120-unicode

    Call when an agent needs a slug using "+", capped at 120 characters, keeping Unicode letters. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/slug-plus-120-unicode first.

    BaseCommerce

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/slug-tilde-120-unicode

    Call when an agent needs a slug using "~", capped at 120 characters, keeping Unicode letters. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/slug-tilde-120-unicode first.

    BaseCommerce

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/slug-underscore-120-unicode

    Call when an agent needs a slug using "_", capped at 120 characters, keeping Unicode letters. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/slug-underscore-120-unicode first.

    BaseCommerce

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/tls-hostname

    Call when an agent needs whether the port-443 certificate SAN or CN matches the requested host. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/tls-hostname first.

    BaseIdentity

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/utf16-hex-decode

    Call 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.

    BaseDeveloper tools

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/uuid-name-v3-url

    Call when an agent needs a deterministic UUID v3 in the url namespace. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/uuid-name-v3-url first.

    BaseDeveloper tools

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/xpath-a-hreflang

    Call when an agent needs hreflang attributes of //a via //a/@hreflang from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/xpath-a-hreflang first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/xpath-code

    Call when an agent needs text of //code via //code from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/xpath-code first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/xpath-form-method

    Call when an agent needs method attributes of //form via //form/@method from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/xpath-form-method first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/xpath-h3

    Call when an agent needs text of //h3 via //h3 from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/xpath-h3 first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/xpath-img-src

    Call when an agent needs src attributes of //img via //img/@src from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/xpath-img-src first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/xpath-li

    Call when an agent needs text of //li via //li from a public page or HTML (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/xpath-li first.

    BaseWeb data

    $0.01/ request

    2026-09-23

  • https://agentshelf.syntexa.ch/v1/mentions

    Call when an agent needs a structured brand/product mention brief from public web sources: theme clusters, sentiment, and short licensed samples. Exact $0.02 USDC on Base via x402. Prefer unpaid POST /v1/sandbox/mention…

    BaseAI models

    $0.02/ request

    2026-09-22

Evidence

as of 2026-10-11

Answers HTTP 402

Answers HTTP 402Method: one unpaid request per listed endpoint. A 402 with a payment payload a client could parse counts. Nothing is paid.

1 of 1

1 of 1 probed endpoints answered HTTP 402 with a parseable payment payload

checked 2026-10-10

x402-style payments, last 7 days (Base)

x402-style paymentsMethod: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's exact scheme uses. Some non-x402 gasless sends use it too.

0outside payers

no x402-style payments observed in the last 7 days (Base, exact read)

window ended 2026-10-11

All USDC received at this payout address: $0.00 (includes payments that are not x402)

Reading: x402-style payments to this payout address on Base, exact read of the 7 days to 2026-10-11, every block of the window: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's `exact` scheme uses. Some non-x402 gasless sends use it too; Sato Hub's own payer wallets are left out

By chain

ChainSeller walletEndpointsAnswers 402x402-style payments
Base0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a381,1821 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-10-10
no x402-style payments observed in the last 7 days (Base, exact read)

One seller wallet, each chain read on its own. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.

Pricing

Lowest
$0.001
per request, as registeredas of
Median
$0.005
per request, as registeredas of
Highest
$0.02
per request, as registeredas of

The price each endpoint registered in the x402 catalogue. A listed price is a registration, not an observed charge.

Claim this merchant

Sign a message from the payout address 0x1d61fa…e55a38 to claim this page or download its payment ledger. Claiming proves control of the payout key. It says nothing about the service behind the address, and it does not change how this merchant is ranked. No email, no account: the signature is the whole credential, and signing a message costs no gas and moves nothing.

Data CC-BY-4.0, attribution: data by satohub.ai. Data: x402-list.com (CC BY 4.0). Data as of 2026-10-11. Appearing here is not an endorsement. Check an endpoint with the doctor.