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/llm

    LLM inference proxy - send an OpenAI-format chat/completions request and get a response from GPT-4o-mini. Supports vision (up to 2 image URLs, low detail) and structured output (response_format: json_object or json_sche…

    OptimismAI models

    n/a/ request

    2026-10-05

  • https://agent402.tools/api/llm

    LLM inference proxy - send an OpenAI-format chat/completions request and get a response from GPT-4o-mini. Supports vision (up to 2 image URLs, low detail) and structured output (response_format: json_object or json_sche…

    CeloAI models

    n/a/ request

    2026-10-05

  • https://agent402.tools/api/llm-context

    Web search that returns READY-TO-USE grounding text, not links: for one query you get the passages an independent search index extracted from the pages it ranked, flattened into chunks with their source URL and title an…

    CeloSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/llm-context

    Web search that returns READY-TO-USE grounding text, not links: for one query you get the passages an independent search index extracted from the pages it ranked, flattened into chunks with their source URL and title an…

    SeiSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/llm-context

    Web search that returns READY-TO-USE grounding text, not links: for one query you get the passages an independent search index extracted from the pages it ranked, flattened into chunks with their source URL and title an…

    AvalancheSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/llm-context

    Web search that returns READY-TO-USE grounding text, not links: for one query you get the passages an independent search index extracted from the pages it ranked, flattened into chunks with their source URL and title an…

    OptimismSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/llm-context

    Web search that returns READY-TO-USE grounding text, not links: for one query you get the passages an independent search index extracted from the pages it ranked, flattened into chunks with their source URL and title an…

    MonadSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/llm-context

    Web search that returns READY-TO-USE grounding text, not links: for one query you get the passages an independent search index extracted from the pages it ranked, flattened into chunks with their source URL and title an…

    ArbitrumSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/llm-context

    Web search that returns READY-TO-USE grounding text, not links: for one query you get the passages an independent search index extracted from the pages it ranked, flattened into chunks with their source URL and title an…

    PolygonSearch

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/llm-premium

    LLM inference proxy (Premium tier) - o3 or o3-mini reasoning models. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. In…

    CeloAI models

    n/a/ request

    2026-09-11

  • https://agent402.tools/api/llm-premium

    LLM inference proxy (Premium tier) - o3 or o3-mini reasoning models. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. In…

    MonadAI models

    n/a/ request

    2026-09-11

  • https://agent402.tools/api/llm-premium

    LLM inference proxy (Premium tier) - o3 or o3-mini reasoning models. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. In…

    ArbitrumAI models

    n/a/ request

    2026-09-11

  • https://agent402.tools/api/llm-premium

    LLM inference proxy (Premium tier) - o3 or o3-mini reasoning models. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. In…

    PolygonAI models

    n/a/ request

    2026-09-11

  • https://agent402.tools/api/llm-premium

    LLM inference proxy (Premium tier) - o3 or o3-mini reasoning models. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. In…

    OptimismAI models

    n/a/ request

    2026-09-11

  • https://agent402.tools/api/llm-premium

    LLM inference proxy (Premium tier) - o3 or o3-mini reasoning models. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. In…

    SeiAI models

    n/a/ request

    2026-09-11

  • https://agent402.tools/api/llm-premium

    LLM inference proxy (Premium tier) - o3 or o3-mini reasoning models. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. In…

    AvalancheAI models

    n/a/ request

    2026-09-11

  • https://agent402.tools/api/llm-pro

    LLM inference proxy (Pro tier) - GPT-4o or GPT-4.1. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. Input capped at 16k…

    AvalancheAI models

    n/a/ request

    2026-09-29

  • https://agent402.tools/api/llm-pro

    LLM inference proxy (Pro tier) - GPT-4o or GPT-4.1. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. Input capped at 16k…

    ArbitrumAI models

    n/a/ request

    2026-09-29

  • https://agent402.tools/api/llm-pro

    LLM inference proxy (Pro tier) - GPT-4o or GPT-4.1. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. Input capped at 16k…

    CeloAI models

    n/a/ request

    2026-09-29

  • https://agent402.tools/api/llm-pro

    LLM inference proxy (Pro tier) - GPT-4o or GPT-4.1. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. Input capped at 16k…

    MonadAI models

    n/a/ request

    2026-09-29

  • https://agent402.tools/api/llm-pro

    LLM inference proxy (Pro tier) - GPT-4o or GPT-4.1. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. Input capped at 16k…

    SeiAI models

    n/a/ request

    2026-09-29

  • https://agent402.tools/api/llm-pro

    LLM inference proxy (Pro tier) - GPT-4o or GPT-4.1. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. Input capped at 16k…

    OptimismAI models

    n/a/ request

    2026-09-29

  • https://agent402.tools/api/llm-pro

    LLM inference proxy (Pro tier) - GPT-4o or GPT-4.1. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. Input capped at 16k…

    PolygonAI models

    n/a/ request

    2026-09-29

  • https://agent402.tools/api/loan-payment

    Compute the monthly (or per-period) payment on a fully-amortizing loan: mortgage, auto, student loan, business loan. Returns the periodic payment, total paid over the term, and total interest. Matches Excel's PMT(rate, …

    AvalancheCommerce

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/loan-payment

    Compute the monthly (or per-period) payment on a fully-amortizing loan: mortgage, auto, student loan, business loan. Returns the periodic payment, total paid over the term, and total interest. Matches Excel's PMT(rate, …

    OptimismCommerce

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/loan-payment

    Compute the monthly (or per-period) payment on a fully-amortizing loan: mortgage, auto, student loan, business loan. Returns the periodic payment, total paid over the term, and total interest. Matches Excel's PMT(rate, …

    CeloCommerce

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/loan-payment

    Compute the monthly (or per-period) payment on a fully-amortizing loan: mortgage, auto, student loan, business loan. Returns the periodic payment, total paid over the term, and total interest. Matches Excel's PMT(rate, …

    ArbitrumCommerce

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/loan-payment

    Compute the monthly (or per-period) payment on a fully-amortizing loan: mortgage, auto, student loan, business loan. Returns the periodic payment, total paid over the term, and total interest. Matches Excel's PMT(rate, …

    PolygonCommerce

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/loan-payment

    Compute the monthly (or per-period) payment on a fully-amortizing loan: mortgage, auto, student loan, business loan. Returns the periodic payment, total paid over the term, and total interest. Matches Excel's PMT(rate, …

    MonadCommerce

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/loan-payment

    Compute the monthly (or per-period) payment on a fully-amortizing loan: mortgage, auto, student loan, business loan. Returns the periodic payment, total paid over the term, and total interest. Matches Excel's PMT(rate, …

    SeiCommerce

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/lorem

    Placeholder text.

    SeiDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/lorem

    Placeholder text.

    CeloDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/lorem

    Placeholder text.

    PolygonDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/lorem

    Placeholder text.

    OptimismDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/lorem

    Placeholder text.

    ArbitrumDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/lorem

    Placeholder text.

    AvalancheDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/lorem

    Placeholder text.

    MonadDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/markdown-to-html

    Render CommonMark + GFM markdown to HTML.

    OptimismWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/markdown-to-html

    Render CommonMark + GFM markdown to HTML.

    PolygonWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/markdown-to-html

    Render CommonMark + GFM markdown to HTML.

    ArbitrumWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/markdown-to-html

    Render CommonMark + GFM markdown to HTML.

    MonadWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/markdown-to-html

    Render CommonMark + GFM markdown to HTML.

    AvalancheWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/markdown-to-html

    Render CommonMark + GFM markdown to HTML.

    SeiWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/markdown-to-html

    Render CommonMark + GFM markdown to HTML.

    CeloWeb data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/media-info

    Inspect any audio/video URL with ffprobe: container, duration, bitrate, and per-stream codec details (sample rate/channels for audio, resolution/fps for video) as JSON. Body: {"url":"https://…/file.mp4"}.

    PolygonMedia

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/media-info

    Inspect any audio/video URL with ffprobe: container, duration, bitrate, and per-stream codec details (sample rate/channels for audio, resolution/fps for video) as JSON. Body: {"url":"https://…/file.mp4"}.

    SeiMedia

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/media-info

    Inspect any audio/video URL with ffprobe: container, duration, bitrate, and per-stream codec details (sample rate/channels for audio, resolution/fps for video) as JSON. Body: {"url":"https://…/file.mp4"}.

    MonadMedia

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/media-info

    Inspect any audio/video URL with ffprobe: container, duration, bitrate, and per-stream codec details (sample rate/channels for audio, resolution/fps for video) as JSON. Body: {"url":"https://…/file.mp4"}.

    AvalancheMedia

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/media-info

    Inspect any audio/video URL with ffprobe: container, duration, bitrate, and per-stream codec details (sample rate/channels for audio, resolution/fps for video) as JSON. Body: {"url":"https://…/file.mp4"}.

    OptimismMedia

    n/a/ request

    2026-10-06

  • https://agent402.tools/api/media-info

    Inspect any audio/video URL with ffprobe: container, duration, bitrate, and per-stream codec details (sample rate/channels for audio, resolution/fps for video) as JSON. Body: {"url":"https://…/file.mp4"}.

    CeloMedia

    n/a/ request

    2026-10-06

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.