Sato Hub
x402 merchant

agent402.tools

Developer tools API on Base, Arbitrum, Avalanche, Celo, Monad, Optimism, Polygon and Sei, paid per request with x402.

  • Endpoints4,853
  • Price per requestfrom $0.001
  • Outside payers · 7d99
  • Answer 4020 of 8

Overview

as of 2026-10-08
Seller wallet
0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0
Chains
BaseArbitrumAvalancheCeloMonadOptimismPolygonSei
Hosts
agent402.tools
CategoriesCategoriesAssigned automatically from the seller’s own listing text. A filter hint, not a claim about the service.
Developer tools1,088Market data872Onchain data704Other577AI models424Web data296Media272Identity240Search144Agents124Security96Commerce16
First seen
2026-10-05 · last seen 2026-10-08

What we observed

Paid by 99 outside payers · 7d, observedNo 402 answer, not 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.
4,853 registered

  • https://agent402.tools/api/time

    Current time: UTC ISO, epoch seconds/ms, day of week/year, ISO week - optionally rendered in any IANA timezone.

    ArbitrumDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/time

    Current time: UTC ISO, epoch seconds/ms, day of week/year, ISO week - optionally rendered in any IANA timezone.

    MonadDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/time

    Current time: UTC ISO, epoch seconds/ms, day of week/year, ISO week - optionally rendered in any IANA timezone.

    PolygonDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/time

    Current time: UTC ISO, epoch seconds/ms, day of week/year, ISO week - optionally rendered in any IANA timezone.

    SeiDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/time

    Current time: UTC ISO, epoch seconds/ms, day of week/year, ISO week - optionally rendered in any IANA timezone.

    OptimismDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/time

    Current time: UTC ISO, epoch seconds/ms, day of week/year, ISO week - optionally rendered in any IANA timezone.

    AvalancheDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/time-convert

    Convert between epoch (s or ms), ISO 8601, and any IANA timezone. Give a value (epoch seconds or milliseconds, an ISO string, or 'now'), get every representation back: utc, epochSeconds, epochMillis and, with tz, timezo…

    PolygonDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/time-convert

    Convert between epoch (s or ms), ISO 8601, and any IANA timezone. Give a value (epoch seconds or milliseconds, an ISO string, or 'now'), get every representation back: utc, epochSeconds, epochMillis and, with tz, timezo…

    CeloDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/time-convert

    Convert between epoch (s or ms), ISO 8601, and any IANA timezone. Give a value (epoch seconds or milliseconds, an ISO string, or 'now'), get every representation back: utc, epochSeconds, epochMillis and, with tz, timezo…

    ArbitrumDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/time-convert

    Convert between epoch (s or ms), ISO 8601, and any IANA timezone. Give a value (epoch seconds or milliseconds, an ISO string, or 'now'), get every representation back: utc, epochSeconds, epochMillis and, with tz, timezo…

    OptimismDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/time-convert

    Convert between epoch (s or ms), ISO 8601, and any IANA timezone. Give a value (epoch seconds or milliseconds, an ISO string, or 'now'), get every representation back: utc, epochSeconds, epochMillis and, with tz, timezo…

    SeiDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/time-convert

    Convert between epoch (s or ms), ISO 8601, and any IANA timezone. Give a value (epoch seconds or milliseconds, an ISO string, or 'now'), get every representation back: utc, epochSeconds, epochMillis and, with tz, timezo…

    AvalancheDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/time-convert

    Convert between epoch (s or ms), ISO 8601, and any IANA timezone. Give a value (epoch seconds or milliseconds, an ISO string, or 'now'), get every representation back: utc, epochSeconds, epochMillis and, with tz, timezo…

    MonadDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/timezone-convert

    Convert a datetime from one IANA timezone to another. Accepts ISO 8601, Unix timestamps (seconds or milliseconds), or natural date strings. Returns the converted time in both timezones with UTC offset.

    OptimismDeveloper tools

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/timezone-convert

    Convert a datetime from one IANA timezone to another. Accepts ISO 8601, Unix timestamps (seconds or milliseconds), or natural date strings. Returns the converted time in both timezones with UTC offset.

    SeiDeveloper tools

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/timezone-convert

    Convert a datetime from one IANA timezone to another. Accepts ISO 8601, Unix timestamps (seconds or milliseconds), or natural date strings. Returns the converted time in both timezones with UTC offset.

    AvalancheDeveloper tools

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/timezone-convert

    Convert a datetime from one IANA timezone to another. Accepts ISO 8601, Unix timestamps (seconds or milliseconds), or natural date strings. Returns the converted time in both timezones with UTC offset.

    ArbitrumDeveloper tools

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/timezone-convert

    Convert a datetime from one IANA timezone to another. Accepts ISO 8601, Unix timestamps (seconds or milliseconds), or natural date strings. Returns the converted time in both timezones with UTC offset.

    PolygonDeveloper tools

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/timezone-convert

    Convert a datetime from one IANA timezone to another. Accepts ISO 8601, Unix timestamps (seconds or milliseconds), or natural date strings. Returns the converted time in both timezones with UTC offset.

    CeloDeveloper tools

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/timezone-convert

    Convert a datetime from one IANA timezone to another. Accepts ISO 8601, Unix timestamps (seconds or milliseconds), or natural date strings. Returns the converted time in both timezones with UTC offset.

    MonadDeveloper tools

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/tls-cert

    Inspect the TLS certificate of any public host: subject, issuer, validity window, days remaining, SANs, and SHA-256 fingerprint.

    OptimismIdentity

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/tls-cert

    Inspect the TLS certificate of any public host: subject, issuer, validity window, days remaining, SANs, and SHA-256 fingerprint.

    MonadIdentity

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/tls-cert

    Inspect the TLS certificate of any public host: subject, issuer, validity window, days remaining, SANs, and SHA-256 fingerprint.

    PolygonIdentity

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/tls-cert

    Inspect the TLS certificate of any public host: subject, issuer, validity window, days remaining, SANs, and SHA-256 fingerprint.

    CeloIdentity

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/tls-cert

    Inspect the TLS certificate of any public host: subject, issuer, validity window, days remaining, SANs, and SHA-256 fingerprint.

    SeiIdentity

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/tls-cert

    Inspect the TLS certificate of any public host: subject, issuer, validity window, days remaining, SANs, and SHA-256 fingerprint.

    AvalancheIdentity

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/tls-cert

    Inspect the TLS certificate of any public host: subject, issuer, validity window, days remaining, SANs, and SHA-256 fingerprint.

    ArbitrumIdentity

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/token-allowance

    How much of an ERC-20 token a spender contract is approved to move from an owner wallet - the approval check an agent runs before a swap, a bridge, or an x402 transferWithAuthorization flow. Returns the allowance as an …

    ArbitrumOnchain data

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/token-allowance

    How much of an ERC-20 token a spender contract is approved to move from an owner wallet - the approval check an agent runs before a swap, a bridge, or an x402 transferWithAuthorization flow. Returns the allowance as an …

    MonadOnchain data

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/token-allowance

    How much of an ERC-20 token a spender contract is approved to move from an owner wallet - the approval check an agent runs before a swap, a bridge, or an x402 transferWithAuthorization flow. Returns the allowance as an …

    AvalancheOnchain data

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/token-allowance

    How much of an ERC-20 token a spender contract is approved to move from an owner wallet - the approval check an agent runs before a swap, a bridge, or an x402 transferWithAuthorization flow. Returns the allowance as an …

    CeloOnchain data

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/token-allowance

    How much of an ERC-20 token a spender contract is approved to move from an owner wallet - the approval check an agent runs before a swap, a bridge, or an x402 transferWithAuthorization flow. Returns the allowance as an …

    SeiOnchain data

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/token-allowance

    How much of an ERC-20 token a spender contract is approved to move from an owner wallet - the approval check an agent runs before a swap, a bridge, or an x402 transferWithAuthorization flow. Returns the allowance as an …

    PolygonOnchain data

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/token-allowance

    How much of an ERC-20 token a spender contract is approved to move from an owner wallet - the approval check an agent runs before a swap, a bridge, or an x402 transferWithAuthorization flow. Returns the allowance as an …

    OptimismOnchain data

    n/a/ request

    2026-10-07

  • https://agent402.tools/api/token-balances

    ERC-20 balances of one wallet for a NAMED list of token contracts (1-20) - the targeted complement to the full-portfolio wallet-balance tool. One balance read for the whole list plus symbol/decimals per contract (cached…

    SeiOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-balances

    ERC-20 balances of one wallet for a NAMED list of token contracts (1-20) - the targeted complement to the full-portfolio wallet-balance tool. One balance read for the whole list plus symbol/decimals per contract (cached…

    AvalancheOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-balances

    ERC-20 balances of one wallet for a NAMED list of token contracts (1-20) - the targeted complement to the full-portfolio wallet-balance tool. One balance read for the whole list plus symbol/decimals per contract (cached…

    ArbitrumOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-balances

    ERC-20 balances of one wallet for a NAMED list of token contracts (1-20) - the targeted complement to the full-portfolio wallet-balance tool. One balance read for the whole list plus symbol/decimals per contract (cached…

    OptimismOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-balances

    ERC-20 balances of one wallet for a NAMED list of token contracts (1-20) - the targeted complement to the full-portfolio wallet-balance tool. One balance read for the whole list plus symbol/decimals per contract (cached…

    CeloOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-balances

    ERC-20 balances of one wallet for a NAMED list of token contracts (1-20) - the targeted complement to the full-portfolio wallet-balance tool. One balance read for the whole list plus symbol/decimals per contract (cached…

    PolygonOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-balances

    ERC-20 balances of one wallet for a NAMED list of token contracts (1-20) - the targeted complement to the full-portfolio wallet-balance tool. One balance read for the whole list plus symbol/decimals per contract (cached…

    MonadOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-count

    Count exact LLM tokens for a string using the real OpenAI BPE (o200k_base for gpt-4o/o-series, cl100k_base for gpt-4/gpt-3.5). Deterministic, offline - budget context windows without calling a model.

    ArbitrumAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-count

    Count exact LLM tokens for a string using the real OpenAI BPE (o200k_base for gpt-4o/o-series, cl100k_base for gpt-4/gpt-3.5). Deterministic, offline - budget context windows without calling a model.

    MonadAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-count

    Count exact LLM tokens for a string using the real OpenAI BPE (o200k_base for gpt-4o/o-series, cl100k_base for gpt-4/gpt-3.5). Deterministic, offline - budget context windows without calling a model.

    CeloAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-count

    Count exact LLM tokens for a string using the real OpenAI BPE (o200k_base for gpt-4o/o-series, cl100k_base for gpt-4/gpt-3.5). Deterministic, offline - budget context windows without calling a model.

    OptimismAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-count

    Count exact LLM tokens for a string using the real OpenAI BPE (o200k_base for gpt-4o/o-series, cl100k_base for gpt-4/gpt-3.5). Deterministic, offline - budget context windows without calling a model.

    AvalancheAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-count

    Count exact LLM tokens for a string using the real OpenAI BPE (o200k_base for gpt-4o/o-series, cl100k_base for gpt-4/gpt-3.5). Deterministic, offline - budget context windows without calling a model.

    SeiAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-count

    Count exact LLM tokens for a string using the real OpenAI BPE (o200k_base for gpt-4o/o-series, cl100k_base for gpt-4/gpt-3.5). Deterministic, offline - budget context windows without calling a model.

    PolygonAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-metadata

    Resolve an ERC-20 contract address to its on-chain metadata: symbol, decimals, name, and logo URL where available. Use this to humanize a raw contract address before showing it to a user or before computing fiat values.

    PolygonOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/token-metadata

    Resolve an ERC-20 contract address to its on-chain metadata: symbol, decimals, name, and logo URL where available. Use this to humanize a raw contract address before showing it to a user or before computing fiat values.

    ArbitrumOnchain data

    n/a/ request

    2026-09-30

Evidence

as of 2026-10-08

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.

0 of 8

0 of 8 probed endpoints answered HTTP 402 with a parseable payment payload

checked 2026-09-19

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.

99outside payers

2801 x402-style payments from 99 distinct payers, $52.07 USDC in the last 7 days (Base, exact read)

window ended 2026-10-08

Payments
2,801
Payers
99
USDC
52.07

All USDC received at this payout address: $52.08 (includes payments that are not x402)

Reading: x402-style payments to this payout address on Base, exact read of the 7 days to 2026-10-08, 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
Base0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06040 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
2801 x402-style payments from 99 distinct payers, $52.07 USDC in the last 7 days (Base, exact read)
Arbitrum0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06070 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet
Avalanche0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06070 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet
Celo0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06070 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet
Monad0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06070 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet
Optimism0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06070 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet
Polygon0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06070 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet
Sei0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06070 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet

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
Highest
$2.00
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 0xabf4fa…e2a9d0 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 2026-10-08. Appearing here is not an endorsement. Check an endpoint with the doctor.