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/mime

    Look up a MIME type by file extension.

    CeloOther

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mime

    Look up a MIME type by file extension.

    ArbitrumOther

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mime

    Look up a MIME type by file extension.

    AvalancheOther

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mime

    Look up a MIME type by file extension.

    PolygonOther

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mime

    Look up a MIME type by file extension.

    OptimismOther

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/mime

    Look up a MIME type by file extension.

    MonadOther

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/moderate

    Check text for harmful content using OpenAI moderation (omni-moderation-latest). Returns flagged status, category breakdown (harassment, hate, self-harm, sexual, violence, etc.), and confidence scores. No API key needed…

    OptimismAI models

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/moderate

    Check text for harmful content using OpenAI moderation (omni-moderation-latest). Returns flagged status, category breakdown (harassment, hate, self-harm, sexual, violence, etc.), and confidence scores. No API key needed…

    PolygonAI models

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/moderate

    Check text for harmful content using OpenAI moderation (omni-moderation-latest). Returns flagged status, category breakdown (harassment, hate, self-harm, sexual, violence, etc.), and confidence scores. No API key needed…

    ArbitrumAI models

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/moderate

    Check text for harmful content using OpenAI moderation (omni-moderation-latest). Returns flagged status, category breakdown (harassment, hate, self-harm, sexual, violence, etc.), and confidence scores. No API key needed…

    MonadAI models

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/moderate

    Check text for harmful content using OpenAI moderation (omni-moderation-latest). Returns flagged status, category breakdown (harassment, hate, self-harm, sexual, violence, etc.), and confidence scores. No API key needed…

    AvalancheAI models

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/moderate

    Check text for harmful content using OpenAI moderation (omni-moderation-latest). Returns flagged status, category breakdown (harassment, hate, self-harm, sexual, violence, etc.), and confidence scores. No API key needed…

    SeiAI models

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/moderate

    Check text for harmful content using OpenAI moderation (omni-moderation-latest). Returns flagged status, category breakdown (harassment, hate, self-harm, sexual, violence, etc.), and confidence scores. No API key needed…

    CeloAI models

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/morse

    Encode text to Morse code or decode it back. mode: encode (default) or decode. Words separated by ' / '.

    ArbitrumDeveloper tools

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/morse

    Encode text to Morse code or decode it back. mode: encode (default) or decode. Words separated by ' / '.

    MonadDeveloper tools

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/morse

    Encode text to Morse code or decode it back. mode: encode (default) or decode. Words separated by ' / '.

    AvalancheDeveloper tools

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/morse

    Encode text to Morse code or decode it back. mode: encode (default) or decode. Words separated by ' / '.

    OptimismDeveloper tools

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/morse

    Encode text to Morse code or decode it back. mode: encode (default) or decode. Words separated by ' / '.

    PolygonDeveloper tools

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/morse

    Encode text to Morse code or decode it back. mode: encode (default) or decode. Words separated by ' / '.

    CeloDeveloper tools

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/morse

    Encode text to Morse code or decode it back. mode: encode (default) or decode. Words separated by ' / '.

    SeiDeveloper tools

    n/a/ request

    2026-10-03

  • https://agent402.tools/api/moving-average

    Compute simple (SMA) and exponential (EMA) moving averages over a numeric series. Returns one value per input position - the first (window-1) SMA values are null since there isn't enough history. EMA uses the standard a…

    SeiMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/moving-average

    Compute simple (SMA) and exponential (EMA) moving averages over a numeric series. Returns one value per input position - the first (window-1) SMA values are null since there isn't enough history. EMA uses the standard a…

    AvalancheMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/moving-average

    Compute simple (SMA) and exponential (EMA) moving averages over a numeric series. Returns one value per input position - the first (window-1) SMA values are null since there isn't enough history. EMA uses the standard a…

    MonadMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/moving-average

    Compute simple (SMA) and exponential (EMA) moving averages over a numeric series. Returns one value per input position - the first (window-1) SMA values are null since there isn't enough history. EMA uses the standard a…

    CeloMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/moving-average

    Compute simple (SMA) and exponential (EMA) moving averages over a numeric series. Returns one value per input position - the first (window-1) SMA values are null since there isn't enough history. EMA uses the standard a…

    PolygonMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/moving-average

    Compute simple (SMA) and exponential (EMA) moving averages over a numeric series. Returns one value per input position - the first (window-1) SMA values are null since there isn't enough history. EMA uses the standard a…

    OptimismMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/moving-average

    Compute simple (SMA) and exponential (EMA) moving averages over a numeric series. Returns one value per input position - the first (window-1) SMA values are null since there isn't enough history. EMA uses the standard a…

    ArbitrumMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/multi-search

    Run 2-5 web searches in one call with a 20% volume discount vs. individual searches. Each query returns ranked results (title, URL, snippet). Ideal for multi-faceted research or comparing sources on different aspects of…

    AvalancheSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/multi-search

    Run 2-5 web searches in one call with a 20% volume discount vs. individual searches. Each query returns ranked results (title, URL, snippet). Ideal for multi-faceted research or comparing sources on different aspects of…

    SeiSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/multi-search

    Run 2-5 web searches in one call with a 20% volume discount vs. individual searches. Each query returns ranked results (title, URL, snippet). Ideal for multi-faceted research or comparing sources on different aspects of…

    PolygonSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/multi-search

    Run 2-5 web searches in one call with a 20% volume discount vs. individual searches. Each query returns ranked results (title, URL, snippet). Ideal for multi-faceted research or comparing sources on different aspects of…

    ArbitrumSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/multi-search

    Run 2-5 web searches in one call with a 20% volume discount vs. individual searches. Each query returns ranked results (title, URL, snippet). Ideal for multi-faceted research or comparing sources on different aspects of…

    CeloSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/multi-search

    Run 2-5 web searches in one call with a 20% volume discount vs. individual searches. Each query returns ranked results (title, URL, snippet). Ideal for multi-faceted research or comparing sources on different aspects of…

    OptimismSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/multi-search

    Run 2-5 web searches in one call with a 20% volume discount vs. individual searches. Each query returns ranked results (title, URL, snippet). Ideal for multi-faceted research or comparing sources on different aspects of…

    MonadSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/my-usage

    Your own purchase history, keyed to the wallet that pays for the call - no wallet parameter, no signup: the x402 payment IS the identity, so nobody can read another wallet's profile. Returns totals, per-tool counts, per…

    CeloOnchain data

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/my-usage

    Your own purchase history, keyed to the wallet that pays for the call - no wallet parameter, no signup: the x402 payment IS the identity, so nobody can read another wallet's profile. Returns totals, per-tool counts, per…

    MonadOnchain data

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/my-usage

    Your own purchase history, keyed to the wallet that pays for the call - no wallet parameter, no signup: the x402 payment IS the identity, so nobody can read another wallet's profile. Returns totals, per-tool counts, per…

    ArbitrumOnchain data

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/my-usage

    Your own purchase history, keyed to the wallet that pays for the call - no wallet parameter, no signup: the x402 payment IS the identity, so nobody can read another wallet's profile. Returns totals, per-tool counts, per…

    PolygonOnchain data

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/my-usage

    Your own purchase history, keyed to the wallet that pays for the call - no wallet parameter, no signup: the x402 payment IS the identity, so nobody can read another wallet's profile. Returns totals, per-tool counts, per…

    OptimismOnchain data

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/my-usage

    Your own purchase history, keyed to the wallet that pays for the call - no wallet parameter, no signup: the x402 payment IS the identity, so nobody can read another wallet's profile. Returns totals, per-tool counts, per…

    SeiOnchain data

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/my-usage

    Your own purchase history, keyed to the wallet that pays for the call - no wallet parameter, no signup: the x402 payment IS the identity, so nobody can read another wallet's profile. Returns totals, per-tool counts, per…

    AvalancheOnchain data

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/nft-collection

    Fetch NFT collection (ERC-721 / ERC-1155) metadata by contract address on Ethereum, Base, Polygon, Arbitrum, or Optimism: name, symbol, token type, total supply, deployer, OpenSea slug + image, floor (ETH), Twitter/Disc…

    ArbitrumOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/nft-collection

    Fetch NFT collection (ERC-721 / ERC-1155) metadata by contract address on Ethereum, Base, Polygon, Arbitrum, or Optimism: name, symbol, token type, total supply, deployer, OpenSea slug + image, floor (ETH), Twitter/Disc…

    MonadOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/nft-collection

    Fetch NFT collection (ERC-721 / ERC-1155) metadata by contract address on Ethereum, Base, Polygon, Arbitrum, or Optimism: name, symbol, token type, total supply, deployer, OpenSea slug + image, floor (ETH), Twitter/Disc…

    AvalancheOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/nft-collection

    Fetch NFT collection (ERC-721 / ERC-1155) metadata by contract address on Ethereum, Base, Polygon, Arbitrum, or Optimism: name, symbol, token type, total supply, deployer, OpenSea slug + image, floor (ETH), Twitter/Disc…

    CeloOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/nft-collection

    Fetch NFT collection (ERC-721 / ERC-1155) metadata by contract address on Ethereum, Base, Polygon, Arbitrum, or Optimism: name, symbol, token type, total supply, deployer, OpenSea slug + image, floor (ETH), Twitter/Disc…

    OptimismOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/nft-collection

    Fetch NFT collection (ERC-721 / ERC-1155) metadata by contract address on Ethereum, Base, Polygon, Arbitrum, or Optimism: name, symbol, token type, total supply, deployer, OpenSea slug + image, floor (ETH), Twitter/Disc…

    SeiOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/nft-collection

    Fetch NFT collection (ERC-721 / ERC-1155) metadata by contract address on Ethereum, Base, Polygon, Arbitrum, or Optimism: name, symbol, token type, total supply, deployer, OpenSea slug + image, floor (ETH), Twitter/Disc…

    PolygonOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/nft-floor

    Get the current floor price for an NFT collection across OpenSea + LooksRare (Ethereum). Returns per-marketplace floor (ETH), collection URL, retrieval timestamp, and the cheapest cross-marketplace floor with the market…

    MonadOnchain data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/nft-floor

    Get the current floor price for an NFT collection across OpenSea + LooksRare (Ethereum). Returns per-marketplace floor (ETH), collection URL, retrieval timestamp, and the cheapest cross-marketplace floor with the market…

    ArbitrumOnchain data

    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.