x402 merchant

agent402.tools

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

Endpoints4,845
Price per requestfrom $0.001
Outside payers · 7dn/a
Answer 4020 of 8

Overview

as of 2026-10-06

Seller wallet: 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0
Chains: BaseArbitrumAvalancheCeloMonadOptimismPolygonSei
Hosts: agent402.tools
Categories: Developer tools1,088Market data872Onchain data704Other577AI models416Web data296Media272Identity240Search144Agents124Security96Commerce16
First seen: 2026-10-05 · last seen 2026-10-06

What we observed

Payments unknownNo 402 answer2026-09-19Not claimed

See the readings

Endpoints

4,845 registered

https://agent402.tools/api/eas-attestations
List EAS (Ethereum Attestation Service) attestations for an address as recipient, attester, or either, on mainnet/Base/Optimism/Arbitrum/Sepolia. Returns attestation id, attester, recipient, schema id, revocable/revoked…
CeloDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/eas-attestations
List EAS (Ethereum Attestation Service) attestations for an address as recipient, attester, or either, on mainnet/Base/Optimism/Arbitrum/Sepolia. Returns attestation id, attester, recipient, schema id, revocable/revoked…
SeiDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/eas-attestations
List EAS (Ethereum Attestation Service) attestations for an address as recipient, attester, or either, on mainnet/Base/Optimism/Arbitrum/Sepolia. Returns attestation id, attester, recipient, schema id, revocable/revoked…
OptimismDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/eas-attestations
List EAS (Ethereum Attestation Service) attestations for an address as recipient, attester, or either, on mainnet/Base/Optimism/Arbitrum/Sepolia. Returns attestation id, attester, recipient, schema id, revocable/revoked…
MonadDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/eas-attestations
List EAS (Ethereum Attestation Service) attestations for an address as recipient, attester, or either, on mainnet/Base/Optimism/Arbitrum/Sepolia. Returns attestation id, attester, recipient, schema id, revocable/revoked…
AvalancheDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/eas-attestations
List EAS (Ethereum Attestation Service) attestations for an address as recipient, attester, or either, on mainnet/Base/Optimism/Arbitrum/Sepolia. Returns attestation id, attester, recipient, schema id, revocable/revoked…
PolygonDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/eas-attestations
List EAS (Ethereum Attestation Service) attestations for an address as recipient, attester, or either, on mainnet/Base/Optimism/Arbitrum/Sepolia. Returns attestation id, attester, recipient, schema id, revocable/revoked…
ArbitrumDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/easter-date
Compute the date of Easter Sunday for a given year using the Anonymous Gregorian algorithm (Meeus/Jones/Butcher). Also returns Good Friday, Ash Wednesday, Palm Sunday, Pentecost, and the day-of-year for Easter.
ArbitrumDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/easter-date
Compute the date of Easter Sunday for a given year using the Anonymous Gregorian algorithm (Meeus/Jones/Butcher). Also returns Good Friday, Ash Wednesday, Palm Sunday, Pentecost, and the day-of-year for Easter.
MonadDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/easter-date
Compute the date of Easter Sunday for a given year using the Anonymous Gregorian algorithm (Meeus/Jones/Butcher). Also returns Good Friday, Ash Wednesday, Palm Sunday, Pentecost, and the day-of-year for Easter.
AvalancheDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/easter-date
Compute the date of Easter Sunday for a given year using the Anonymous Gregorian algorithm (Meeus/Jones/Butcher). Also returns Good Friday, Ash Wednesday, Palm Sunday, Pentecost, and the day-of-year for Easter.
PolygonDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/easter-date
Compute the date of Easter Sunday for a given year using the Anonymous Gregorian algorithm (Meeus/Jones/Butcher). Also returns Good Friday, Ash Wednesday, Palm Sunday, Pentecost, and the day-of-year for Easter.
OptimismDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/easter-date
Compute the date of Easter Sunday for a given year using the Anonymous Gregorian algorithm (Meeus/Jones/Butcher). Also returns Good Friday, Ash Wednesday, Palm Sunday, Pentecost, and the day-of-year for Easter.
CeloDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/easter-date
Compute the date of Easter Sunday for a given year using the Anonymous Gregorian algorithm (Meeus/Jones/Butcher). Also returns Good Friday, Ash Wednesday, Palm Sunday, Pentecost, and the day-of-year for Easter.
SeiDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-dataset-head
A bounded head of ONE table in a Form 13F data set, read with two byte-range requests against sec.gov (the archive's central directory plus the first 256 KB of the chosen table) so the multi-hundred-MB zip is never down…
ArbitrumMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-dataset-head
A bounded head of ONE table in a Form 13F data set, read with two byte-range requests against sec.gov (the archive's central directory plus the first 256 KB of the chosen table) so the multi-hundred-MB zip is never down…
PolygonMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-dataset-head
A bounded head of ONE table in a Form 13F data set, read with two byte-range requests against sec.gov (the archive's central directory plus the first 256 KB of the chosen table) so the multi-hundred-MB zip is never down…
OptimismMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-dataset-head
A bounded head of ONE table in a Form 13F data set, read with two byte-range requests against sec.gov (the archive's central directory plus the first 256 KB of the chosen table) so the multi-hundred-MB zip is never down…
CeloMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-dataset-head
A bounded head of ONE table in a Form 13F data set, read with two byte-range requests against sec.gov (the archive's central directory plus the first 256 KB of the chosen table) so the multi-hundred-MB zip is never down…
MonadMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-dataset-head
A bounded head of ONE table in a Form 13F data set, read with two byte-range requests against sec.gov (the archive's central directory plus the first 256 KB of the chosen table) so the multi-hundred-MB zip is never down…
AvalancheMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-dataset-head
A bounded head of ONE table in a Form 13F data set, read with two byte-range requests against sec.gov (the archive's central directory plus the first 256 KB of the chosen table) so the multi-hundred-MB zip is never down…
SeiMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-datasets
The SEC's bulk Form 13F Data Sets: every quarterly (2013Q2-2023Q4) and rolling three-month (2024-) archive the SEC publishes, newest first, with its window, size and download URL, plus the seven tables each archive carr…
CeloMarket data
n/a/ request
2026-10-04
https://agent402.tools/api/edgar-13f-datasets
The SEC's bulk Form 13F Data Sets: every quarterly (2013Q2-2023Q4) and rolling three-month (2024-) archive the SEC publishes, newest first, with its window, size and download URL, plus the seven tables each archive carr…
OptimismMarket data
n/a/ request
2026-10-04
https://agent402.tools/api/edgar-13f-datasets
The SEC's bulk Form 13F Data Sets: every quarterly (2013Q2-2023Q4) and rolling three-month (2024-) archive the SEC publishes, newest first, with its window, size and download URL, plus the seven tables each archive carr…
SeiMarket data
n/a/ request
2026-10-04
https://agent402.tools/api/edgar-13f-datasets
The SEC's bulk Form 13F Data Sets: every quarterly (2013Q2-2023Q4) and rolling three-month (2024-) archive the SEC publishes, newest first, with its window, size and download URL, plus the seven tables each archive carr…
AvalancheMarket data
n/a/ request
2026-10-04
https://agent402.tools/api/edgar-13f-datasets
The SEC's bulk Form 13F Data Sets: every quarterly (2013Q2-2023Q4) and rolling three-month (2024-) archive the SEC publishes, newest first, with its window, size and download URL, plus the seven tables each archive carr…
MonadMarket data
n/a/ request
2026-10-04
https://agent402.tools/api/edgar-13f-datasets
The SEC's bulk Form 13F Data Sets: every quarterly (2013Q2-2023Q4) and rolling three-month (2024-) archive the SEC publishes, newest first, with its window, size and download URL, plus the seven tables each archive carr…
ArbitrumMarket data
n/a/ request
2026-10-04
https://agent402.tools/api/edgar-13f-datasets
The SEC's bulk Form 13F Data Sets: every quarterly (2013Q2-2023Q4) and rolling three-month (2024-) archive the SEC publishes, newest first, with its window, size and download URL, plus the seven tables each archive carr…
PolygonMarket data
n/a/ request
2026-10-04
https://agent402.tools/api/edgar-13f-holdings
Top holdings from an institutional investment manager's most recent 13F-HR filing (managers >$100M AUM file quarterly). Parses the standard SEC informationtable.xml attached to the filing - returns issuer, CUSIP, shares…
MonadMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-holdings
Top holdings from an institutional investment manager's most recent 13F-HR filing (managers >$100M AUM file quarterly). Parses the standard SEC informationtable.xml attached to the filing - returns issuer, CUSIP, shares…
AvalancheMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-holdings
Top holdings from an institutional investment manager's most recent 13F-HR filing (managers >$100M AUM file quarterly). Parses the standard SEC informationtable.xml attached to the filing - returns issuer, CUSIP, shares…
SeiMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-holdings
Top holdings from an institutional investment manager's most recent 13F-HR filing (managers >$100M AUM file quarterly). Parses the standard SEC informationtable.xml attached to the filing - returns issuer, CUSIP, shares…
ArbitrumMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-holdings
Top holdings from an institutional investment manager's most recent 13F-HR filing (managers >$100M AUM file quarterly). Parses the standard SEC informationtable.xml attached to the filing - returns issuer, CUSIP, shares…
PolygonMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-holdings
Top holdings from an institutional investment manager's most recent 13F-HR filing (managers >$100M AUM file quarterly). Parses the standard SEC informationtable.xml attached to the filing - returns issuer, CUSIP, shares…
CeloMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-13f-holdings
Top holdings from an institutional investment manager's most recent 13F-HR filing (managers >$100M AUM file quarterly). Parses the standard SEC informationtable.xml attached to the filing - returns issuer, CUSIP, shares…
OptimismMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-concept
Full reported history of a single XBRL concept for one company (e.g. quarterly Revenues for Apple). Each datapoint cites the accession number and filing that reported it, so you can trace the number back to a 10-K/10-Q.…
MonadMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-concept
Full reported history of a single XBRL concept for one company (e.g. quarterly Revenues for Apple). Each datapoint cites the accession number and filing that reported it, so you can trace the number back to a 10-K/10-Q.…
AvalancheMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-concept
Full reported history of a single XBRL concept for one company (e.g. quarterly Revenues for Apple). Each datapoint cites the accession number and filing that reported it, so you can trace the number back to a 10-K/10-Q.…
SeiMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-concept
Full reported history of a single XBRL concept for one company (e.g. quarterly Revenues for Apple). Each datapoint cites the accession number and filing that reported it, so you can trace the number back to a 10-K/10-Q.…
OptimismMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-concept
Full reported history of a single XBRL concept for one company (e.g. quarterly Revenues for Apple). Each datapoint cites the accession number and filing that reported it, so you can trace the number back to a 10-K/10-Q.…
CeloMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-concept
Full reported history of a single XBRL concept for one company (e.g. quarterly Revenues for Apple). Each datapoint cites the accession number and filing that reported it, so you can trace the number back to a 10-K/10-Q.…
PolygonMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-concept
Full reported history of a single XBRL concept for one company (e.g. quarterly Revenues for Apple). Each datapoint cites the accession number and filing that reported it, so you can trace the number back to a 10-K/10-Q.…
ArbitrumMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-facts
All XBRL concepts reported by a company. Default returns a compact summary per tag (label, unit, latest value, latest end date) - typically a few hundred KB. Pass tags=Revenues,Assets,NetIncomeLoss to get full time-seri…
SeiMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-facts
All XBRL concepts reported by a company. Default returns a compact summary per tag (label, unit, latest value, latest end date) - typically a few hundred KB. Pass tags=Revenues,Assets,NetIncomeLoss to get full time-seri…
MonadMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-facts
All XBRL concepts reported by a company. Default returns a compact summary per tag (label, unit, latest value, latest end date) - typically a few hundred KB. Pass tags=Revenues,Assets,NetIncomeLoss to get full time-seri…
PolygonMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-facts
All XBRL concepts reported by a company. Default returns a compact summary per tag (label, unit, latest value, latest end date) - typically a few hundred KB. Pass tags=Revenues,Assets,NetIncomeLoss to get full time-seri…
ArbitrumMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-facts
All XBRL concepts reported by a company. Default returns a compact summary per tag (label, unit, latest value, latest end date) - typically a few hundred KB. Pass tags=Revenues,Assets,NetIncomeLoss to get full time-seri…
AvalancheMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-facts
All XBRL concepts reported by a company. Default returns a compact summary per tag (label, unit, latest value, latest end date) - typically a few hundred KB. Pass tags=Revenues,Assets,NetIncomeLoss to get full time-seri…
OptimismMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-facts
All XBRL concepts reported by a company. Default returns a compact summary per tag (label, unit, latest value, latest end date) - typically a few hundred KB. Pass tags=Revenues,Assets,NetIncomeLoss to get full time-seri…
CeloMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/edgar-company-lookup
Resolve a US stock ticker (e.g. AAPL) to its SEC CIK number, the primitive every other EDGAR call needs. Returns ticker, cik (zero-padded, 0000320193), cikInt (320193) and the registered company name. Backed by SEC's co…
CeloMarket data
n/a/ request
2026-10-06

Evidence

as of 2026-10-06

Answers HTTP 402

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)

unknown

unknown. the 7-day payments read on Base did not complete (ranges over 10000 blocks are not supported on free plan)

window ended 2026-10-06

By chain

Chain	Seller wallet	Endpoints	Answers 402	x402-style payments
Base	0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0	603	0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19	unknown. the 7-day payments read on Base did not complete (ranges over 10000 blocks are not supported on free plan)
Arbitrum	0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0	606	0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19	unknown. not measured on this chain yet
Avalanche	0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0	606	0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19	unknown. not measured on this chain yet
Celo	0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0	606	0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19	unknown. not measured on this chain yet
Monad	0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0	606	0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19	unknown. not measured on this chain yet
Optimism	0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0	606	0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19	unknown. not measured on this chain yet
Polygon	0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0	606	0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19	unknown. not measured on this chain yet
Sei	0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0	606	0 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 2026-10-06

Highest

$2.00

per request, as registeredas of 2026-10-06

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 2026-10-06. Appearing here is not an endorsement. Check an endpoint with the doctor.