Sato Hub
x402 merchant

agent402.tools

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

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

Overview

as of 2026-10-07
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 models416Web data296Media272Identity240Search144Agents124Security96Commerce16
First seen
2026-10-05 · last seen 2026-10-07

What we observed

Payments unknown, unknownNo 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.
4,845 registered

  • https://agent402.tools/api/memory/recall

    Recall remembered text by similarity to a query (ranked by cosine similarity), not by exact key. Returns the top-k matches with scores. The retrieval half of the wallet-scoped semantic memory.

    PolygonAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/recall

    Recall remembered text by similarity to a query (ranked by cosine similarity), not by exact key. Returns the top-k matches with scores. The retrieval half of the wallet-scoped semantic memory.

    CeloAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/recall

    Recall remembered text by similarity to a query (ranked by cosine similarity), not by exact key. Returns the top-k matches with scores. The retrieval half of the wallet-scoped semantic memory.

    OptimismAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/recall

    Recall remembered text by similarity to a query (ranked by cosine similarity), not by exact key. Returns the top-k matches with scores. The retrieval half of the wallet-scoped semantic memory.

    AvalancheAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/recall

    Recall remembered text by similarity to a query (ranked by cosine similarity), not by exact key. Returns the top-k matches with scores. The retrieval half of the wallet-scoped semantic memory.

    MonadAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/recall

    Recall remembered text by similarity to a query (ranked by cosine similarity), not by exact key. Returns the top-k matches with scores. The retrieval half of the wallet-scoped semantic memory.

    SeiAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/recall

    Recall remembered text by similarity to a query (ranked by cosine similarity), not by exact key. Returns the top-k matches with scores. The retrieval half of the wallet-scoped semantic memory.

    ArbitrumAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/remember

    Store a piece of text for later similarity recall - a per-wallet semantic index an agent cannot host in-session. Returns an id. Prefer memory-write for structured state you will look up by exact key; this pair is for fu…

    MonadAgents

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/memory/remember

    Store a piece of text for later similarity recall - a per-wallet semantic index an agent cannot host in-session. Returns an id. Prefer memory-write for structured state you will look up by exact key; this pair is for fu…

    OptimismAgents

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/memory/remember

    Store a piece of text for later similarity recall - a per-wallet semantic index an agent cannot host in-session. Returns an id. Prefer memory-write for structured state you will look up by exact key; this pair is for fu…

    AvalancheAgents

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/memory/remember

    Store a piece of text for later similarity recall - a per-wallet semantic index an agent cannot host in-session. Returns an id. Prefer memory-write for structured state you will look up by exact key; this pair is for fu…

    PolygonAgents

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/memory/remember

    Store a piece of text for later similarity recall - a per-wallet semantic index an agent cannot host in-session. Returns an id. Prefer memory-write for structured state you will look up by exact key; this pair is for fu…

    ArbitrumAgents

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/memory/remember

    Store a piece of text for later similarity recall - a per-wallet semantic index an agent cannot host in-session. Returns an id. Prefer memory-write for structured state you will look up by exact key; this pair is for fu…

    SeiAgents

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/memory/remember

    Store a piece of text for later similarity recall - a per-wallet semantic index an agent cannot host in-session. Returns an id. Prefer memory-write for structured state you will look up by exact key; this pair is for fu…

    CeloAgents

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/memory/revoke

    Revoke a previously granted wallet's access to your namespace.

    ArbitrumAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/revoke

    Revoke a previously granted wallet's access to your namespace.

    MonadAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/revoke

    Revoke a previously granted wallet's access to your namespace.

    OptimismAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/revoke

    Revoke a previously granted wallet's access to your namespace.

    CeloAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/revoke

    Revoke a previously granted wallet's access to your namespace.

    SeiAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/revoke

    Revoke a previously granted wallet's access to your namespace.

    PolygonAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/memory/revoke

    Revoke a previously granted wallet's access to your namespace.

    AvalancheAgents

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/meta

    Fetch page metadata for a URL: title, description, OpenGraph, Twitter cards, canonical URL, favicon.

    MonadWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/meta

    Fetch page metadata for a URL: title, description, OpenGraph, Twitter cards, canonical URL, favicon.

    PolygonWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/meta

    Fetch page metadata for a URL: title, description, OpenGraph, Twitter cards, canonical URL, favicon.

    CeloWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/meta

    Fetch page metadata for a URL: title, description, OpenGraph, Twitter cards, canonical URL, favicon.

    OptimismWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/meta

    Fetch page metadata for a URL: title, description, OpenGraph, Twitter cards, canonical URL, favicon.

    SeiWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/meta

    Fetch page metadata for a URL: title, description, OpenGraph, Twitter cards, canonical URL, favicon.

    AvalancheWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/meta

    Fetch page metadata for a URL: title, description, OpenGraph, Twitter cards, canonical URL, favicon.

    ArbitrumWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-block-payment

    Look up the MEV-Boost payment for a specific slot or block number via the Flashbots relay. Returns the builder, proposer, value paid in ETH, gas usage, and tx count. Returns found=false if the block was built locally or…

    PolygonOnchain data

    n/a/ request

    2026-10-05

  • https://agent402.tools/api/mev-block-payment

    Look up the MEV-Boost payment for a specific slot or block number via the Flashbots relay. Returns the builder, proposer, value paid in ETH, gas usage, and tx count. Returns found=false if the block was built locally or…

    SeiOnchain data

    n/a/ request

    2026-10-05

  • https://agent402.tools/api/mev-block-payment

    Look up the MEV-Boost payment for a specific slot or block number via the Flashbots relay. Returns the builder, proposer, value paid in ETH, gas usage, and tx count. Returns found=false if the block was built locally or…

    CeloOnchain data

    n/a/ request

    2026-10-05

  • https://agent402.tools/api/mev-block-payment

    Look up the MEV-Boost payment for a specific slot or block number via the Flashbots relay. Returns the builder, proposer, value paid in ETH, gas usage, and tx count. Returns found=false if the block was built locally or…

    OptimismOnchain data

    n/a/ request

    2026-10-05

  • https://agent402.tools/api/mev-block-payment

    Look up the MEV-Boost payment for a specific slot or block number via the Flashbots relay. Returns the builder, proposer, value paid in ETH, gas usage, and tx count. Returns found=false if the block was built locally or…

    AvalancheOnchain data

    n/a/ request

    2026-10-05

  • https://agent402.tools/api/mev-block-payment

    Look up the MEV-Boost payment for a specific slot or block number via the Flashbots relay. Returns the builder, proposer, value paid in ETH, gas usage, and tx count. Returns found=false if the block was built locally or…

    MonadOnchain data

    n/a/ request

    2026-10-05

  • https://agent402.tools/api/mev-block-payment

    Look up the MEV-Boost payment for a specific slot or block number via the Flashbots relay. Returns the builder, proposer, value paid in ETH, gas usage, and tx count. Returns found=false if the block was built locally or…

    ArbitrumOnchain data

    n/a/ request

    2026-10-05

  • https://agent402.tools/api/mev-builder-share

    Builder market share aggregated over the last N MEV-Boost blocks via the Flashbots relay. Returns per-builder block count, share percent, total ETH paid to proposers, and average per block. Use to track block-builder co…

    CeloOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-builder-share

    Builder market share aggregated over the last N MEV-Boost blocks via the Flashbots relay. Returns per-builder block count, share percent, total ETH paid to proposers, and average per block. Use to track block-builder co…

    ArbitrumOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-builder-share

    Builder market share aggregated over the last N MEV-Boost blocks via the Flashbots relay. Returns per-builder block count, share percent, total ETH paid to proposers, and average per block. Use to track block-builder co…

    AvalancheOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-builder-share

    Builder market share aggregated over the last N MEV-Boost blocks via the Flashbots relay. Returns per-builder block count, share percent, total ETH paid to proposers, and average per block. Use to track block-builder co…

    SeiOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-builder-share

    Builder market share aggregated over the last N MEV-Boost blocks via the Flashbots relay. Returns per-builder block count, share percent, total ETH paid to proposers, and average per block. Use to track block-builder co…

    MonadOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-builder-share

    Builder market share aggregated over the last N MEV-Boost blocks via the Flashbots relay. Returns per-builder block count, share percent, total ETH paid to proposers, and average per block. Use to track block-builder co…

    OptimismOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-builder-share

    Builder market share aggregated over the last N MEV-Boost blocks via the Flashbots relay. Returns per-builder block count, share percent, total ETH paid to proposers, and average per block. Use to track block-builder co…

    PolygonOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-recent-blocks

    Last N MEV-Boost-built blocks via the Flashbots relay. For each block: slot, block number/hash, builder pubkey, proposer pubkey, gas used/limit, ETH paid to the proposer, and tx count. Use to monitor block-builder marke…

    ArbitrumOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-recent-blocks

    Last N MEV-Boost-built blocks via the Flashbots relay. For each block: slot, block number/hash, builder pubkey, proposer pubkey, gas used/limit, ETH paid to the proposer, and tx count. Use to monitor block-builder marke…

    OptimismOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-recent-blocks

    Last N MEV-Boost-built blocks via the Flashbots relay. For each block: slot, block number/hash, builder pubkey, proposer pubkey, gas used/limit, ETH paid to the proposer, and tx count. Use to monitor block-builder marke…

    SeiOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-recent-blocks

    Last N MEV-Boost-built blocks via the Flashbots relay. For each block: slot, block number/hash, builder pubkey, proposer pubkey, gas used/limit, ETH paid to the proposer, and tx count. Use to monitor block-builder marke…

    AvalancheOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-recent-blocks

    Last N MEV-Boost-built blocks via the Flashbots relay. For each block: slot, block number/hash, builder pubkey, proposer pubkey, gas used/limit, ETH paid to the proposer, and tx count. Use to monitor block-builder marke…

    MonadOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-recent-blocks

    Last N MEV-Boost-built blocks via the Flashbots relay. For each block: slot, block number/hash, builder pubkey, proposer pubkey, gas used/limit, ETH paid to the proposer, and tx count. Use to monitor block-builder marke…

    CeloOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mev-recent-blocks

    Last N MEV-Boost-built blocks via the Flashbots relay. For each block: slot, block number/hash, builder pubkey, proposer pubkey, gas used/limit, ETH paid to the proposer, and tx count. Use to monitor block-builder marke…

    PolygonOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mime

    Look up a MIME type by file extension.

    SeiOther

    n/a/ request

    2026-09-30

Evidence

as of 2026-10-07

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.

unknown

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

window ended 2026-10-07

By chain

ChainSeller walletEndpointsAnswers 402x402-style payments
Base0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06030 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)
Arbitrum0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06060 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet
Avalanche0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06060 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet
Celo0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06060 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet
Monad0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06060 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet
Optimism0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06060 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet
Polygon0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06060 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-19
unknown. not measured on this chain yet
Sei0xabf4fabd7c416fb67202e5f9002389fc75e2a9d06060 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 2026-10-07. Appearing here is not an endorsement. Check an endpoint with the doctor.