Sato Hub
x402 merchant

api.s2ar.dev

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

  • Endpoints9
  • Price per requestfrom $0.005
  • Outside payers · 7d1
  • Answer 402n/a

Overview

as of 2026-10-10
Seller wallet
0x2c4938626788e8e4fd803bfd1353eca64c1b5452
Chains
Base
Hosts
api.s2ar.dev
CategoriesCategoriesAssigned automatically from the seller’s own listing text. A filter hint, not a claim about the service.
Developer tools7Media1Other1
First seen
2026-10-10 · last seen 2026-10-10

What we observed

Paid by 1 outside payer · 7d, observed402 unknown, unknownNot 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.
9 registered

  • https://api.s2ar.dev/x402/v1/assert

    Assert an agent's output — JSON schema, terms, lengths, citations, quotes in a source; a signed record. GET ?text=&checks=

    BaseDeveloper tools

    $0.005/ request

    2026-10-10

  • https://api.s2ar.dev/x402/v1/score

    Grade a text against a form — deterministic meter, rhyme and line checks with diagnostics. GET ?text=&form=

    BaseDeveloper tools

    $0.005/ request

    2026-10-10

  • https://api.s2ar.dev/x402/v1/sym/find

    Code search by name in a GitHub repo — every definition of a symbol with file and lines. GET ?repo=&name=

    BaseDeveloper tools

    $0.005/ request

    2026-10-10

  • https://api.s2ar.dev/x402/v1/sym/ls

    File skeleton from a GitHub repo — every function, type and method with line ranges, no bodies. GET ?repo=&file=

    BaseDeveloper tools

    $0.005/ request

    2026-10-10

  • https://api.s2ar.dev/x402/v1/sym/read

    Function source from a GitHub repo — one symbol with its doc comment, by name. GET ?repo=&file=&symbol=

    BaseDeveloper tools

    $0.005/ request

    2026-10-10

  • https://api.s2ar.dev/x402/v1/x402/inspect

    Inspect an x402 endpoint — its 402, accepts, price, Bazaar extension, CDP verdict; a signed record. GET ?resource=

    BaseOther

    $0.005/ request

    2026-10-10

  • https://api.s2ar.dev/x402/v1/certify

    Compress an image and verify a vision model still reads it — a signed record anyone can check. GET ?image_url=

    BaseMedia

    $0.01/ request

    2026-10-10

  • https://api.s2ar.dev/x402/v1/sym/map

    GitHub repo map — files ranked by imports with their definitions, fitted to a token budget. GET ?repo=owner/repo

    BaseDeveloper tools

    $0.01/ request

    2026-10-10

  • https://api.s2ar.dev/x402/v1/sym/where

    Code search by meaning in a GitHub repo — the definitions matching a question, with file and lines. GET ?repo=&query=

    BaseDeveloper tools

    $0.01/ request

    2026-10-10

Evidence

as of 2026-10-10

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.

unknown

unknown. We hold no reading for this seller's endpoints.

no reading date

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.

1outside payer

17 x402-style payments from 1 distinct payer, $0.13 USDC in the last 7 days (Base, exact read)

window ended 2026-10-10

Payments
17
Payers
1
USDC
0.13

This window shows the pattern of machine noise (few payers, dust amounts), so it does not count toward the evidence ranking.

All USDC received at this payout address: $0.13 (includes payments that are not x402)

Reading: x402-style payments to this payout address on Base, exact read of the 7 days to 2026-10-10, 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
Base0x2c4938626788e8e4fd803bfd1353eca64c1b54529unknown17 x402-style payments from 1 distinct payer, $0.13 USDC 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
$0.005
per request, as registeredas of
Median
$0.005
per request, as registeredas of
Highest
$0.01
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 0x2c4938…1b5452 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 as of 2026-10-10. Appearing here is not an endorsement. Check an endpoint with the doctor.