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/xml-to-json

    Parse XML into a JSON object tree (attributes under _attrs, text under _text; repeated elements become arrays).

    PolygonDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/xml-to-json

    Parse XML into a JSON object tree (attributes under _attrs, text under _text; repeated elements become arrays).

    ArbitrumDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/xml-to-json

    Parse XML into a JSON object tree (attributes under _attrs, text under _text; repeated elements become arrays).

    CeloDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/xml-to-json

    Parse XML into a JSON object tree (attributes under _attrs, text under _text; repeated elements become arrays).

    SeiDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yaml-to-json

    Parse YAML into JSON (safe schema - no code execution).

    OptimismDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yaml-to-json

    Parse YAML into JSON (safe schema - no code execution).

    SeiDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yaml-to-json

    Parse YAML into JSON (safe schema - no code execution).

    ArbitrumDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yaml-to-json

    Parse YAML into JSON (safe schema - no code execution).

    CeloDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yaml-to-json

    Parse YAML into JSON (safe schema - no code execution).

    MonadDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yaml-to-json

    Parse YAML into JSON (safe schema - no code execution).

    AvalancheDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yaml-to-json

    Parse YAML into JSON (safe schema - no code execution).

    PolygonDeveloper tools

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yield-curve-spread

    Derived 2s10s and 3m10y Treasury yield-curve spreads (in basis points) plus a boolean recession-signal flag when the curve is inverted. Source: FRED constant-maturity yields (public domain). No params.

    CeloMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yield-curve-spread

    Derived 2s10s and 3m10y Treasury yield-curve spreads (in basis points) plus a boolean recession-signal flag when the curve is inverted. Source: FRED constant-maturity yields (public domain). No params.

    AvalancheMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yield-curve-spread

    Derived 2s10s and 3m10y Treasury yield-curve spreads (in basis points) plus a boolean recession-signal flag when the curve is inverted. Source: FRED constant-maturity yields (public domain). No params.

    SeiMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yield-curve-spread

    Derived 2s10s and 3m10y Treasury yield-curve spreads (in basis points) plus a boolean recession-signal flag when the curve is inverted. Source: FRED constant-maturity yields (public domain). No params.

    OptimismMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yield-curve-spread

    Derived 2s10s and 3m10y Treasury yield-curve spreads (in basis points) plus a boolean recession-signal flag when the curve is inverted. Source: FRED constant-maturity yields (public domain). No params.

    PolygonMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yield-curve-spread

    Derived 2s10s and 3m10y Treasury yield-curve spreads (in basis points) plus a boolean recession-signal flag when the curve is inverted. Source: FRED constant-maturity yields (public domain). No params.

    MonadMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/api/yield-curve-spread

    Derived 2s10s and 3m10y Treasury yield-curve spreads (in basis points) plus a boolean recession-signal flag when the curve is inverted. Source: FRED constant-maturity yields (public domain). No params.

    ArbitrumMarket data

    n/a/ request

    2026-09-30

  • https://agent402.tools/v1/audio/speech

    OpenAI-compatible text-to-speech over x402 - point any OpenAI SDK's audio.speech.create() at base_url https://agent402.tools/v1 and pay $0.06 per call in USDC, no API key, no signup. Served by Voxtral Mini TTS behind a …

    AvalancheAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/audio/speech

    OpenAI-compatible text-to-speech over x402 - point any OpenAI SDK's audio.speech.create() at base_url https://agent402.tools/v1 and pay $0.06 per call in USDC, no API key, no signup. Served by Voxtral Mini TTS behind a …

    MonadAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/audio/speech

    OpenAI-compatible text-to-speech over x402 - point any OpenAI SDK's audio.speech.create() at base_url https://agent402.tools/v1 and pay $0.06 per call in USDC, no API key, no signup. Served by Voxtral Mini TTS behind a …

    ArbitrumAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/audio/speech

    OpenAI-compatible text-to-speech over x402 - point any OpenAI SDK's audio.speech.create() at base_url https://agent402.tools/v1 and pay $0.06 per call in USDC, no API key, no signup. Served by Voxtral Mini TTS behind a …

    OptimismAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/audio/speech

    OpenAI-compatible text-to-speech over x402 - point any OpenAI SDK's audio.speech.create() at base_url https://agent402.tools/v1 and pay $0.06 per call in USDC, no API key, no signup. Served by Voxtral Mini TTS behind a …

    PolygonAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/audio/speech

    OpenAI-compatible text-to-speech over x402 - point any OpenAI SDK's audio.speech.create() at base_url https://agent402.tools/v1 and pay $0.06 per call in USDC, no API key, no signup. Served by Voxtral Mini TTS behind a …

    CeloAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/audio/speech

    OpenAI-compatible text-to-speech over x402 - point any OpenAI SDK's audio.speech.create() at base_url https://agent402.tools/v1 and pay $0.06 per call in USDC, no API key, no signup. Served by Voxtral Mini TTS behind a …

    SeiAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/audio/transcriptions

    OpenAI's own transcription wire: POST multipart/form-data with a `file` part and get the transcript back. Point any Whisper-shaped SDK at this gateway and pay per call with USDC, no account and no API key. Same model an…

    MonadWeb data

    n/a/ request

    2026-10-05

  • https://agent402.tools/v1/audio/transcriptions

    OpenAI's own transcription wire: POST multipart/form-data with a `file` part and get the transcript back. Point any Whisper-shaped SDK at this gateway and pay per call with USDC, no account and no API key. Same model an…

    SeiWeb data

    n/a/ request

    2026-10-05

  • https://agent402.tools/v1/audio/transcriptions

    OpenAI's own transcription wire: POST multipart/form-data with a `file` part and get the transcript back. Point any Whisper-shaped SDK at this gateway and pay per call with USDC, no account and no API key. Same model an…

    ArbitrumWeb data

    n/a/ request

    2026-10-05

  • https://agent402.tools/v1/audio/transcriptions

    OpenAI's own transcription wire: POST multipart/form-data with a `file` part and get the transcript back. Point any Whisper-shaped SDK at this gateway and pay per call with USDC, no account and no API key. Same model an…

    PolygonWeb data

    n/a/ request

    2026-10-05

  • https://agent402.tools/v1/audio/transcriptions

    OpenAI's own transcription wire: POST multipart/form-data with a `file` part and get the transcript back. Point any Whisper-shaped SDK at this gateway and pay per call with USDC, no account and no API key. Same model an…

    CeloWeb data

    n/a/ request

    2026-10-05

  • https://agent402.tools/v1/audio/transcriptions

    OpenAI's own transcription wire: POST multipart/form-data with a `file` part and get the transcript back. Point any Whisper-shaped SDK at this gateway and pay per call with USDC, no account and no API key. Same model an…

    AvalancheWeb data

    n/a/ request

    2026-10-05

  • https://agent402.tools/v1/audio/transcriptions

    OpenAI's own transcription wire: POST multipart/form-data with a `file` part and get the transcript back. Point any Whisper-shaped SDK at this gateway and pay per call with USDC, no account and no API key. Same model an…

    OptimismWeb data

    n/a/ request

    2026-10-05

  • https://agent402.tools/v1/auto/chat/completions

    OpenAI-compatible chat completions with the model chosen server-side: omit model and the gateway routes the prompt to the top-ranked model for its task (code, reasoning, long-context, general) from a fixed eval-derived …

    MonadAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/auto/chat/completions

    OpenAI-compatible chat completions with the model chosen server-side: omit model and the gateway routes the prompt to the top-ranked model for its task (code, reasoning, long-context, general) from a fixed eval-derived …

    PolygonAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/auto/chat/completions

    OpenAI-compatible chat completions with the model chosen server-side: omit model and the gateway routes the prompt to the top-ranked model for its task (code, reasoning, long-context, general) from a fixed eval-derived …

    ArbitrumAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/auto/chat/completions

    OpenAI-compatible chat completions with the model chosen server-side: omit model and the gateway routes the prompt to the top-ranked model for its task (code, reasoning, long-context, general) from a fixed eval-derived …

    AvalancheAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/auto/chat/completions

    OpenAI-compatible chat completions with the model chosen server-side: omit model and the gateway routes the prompt to the top-ranked model for its task (code, reasoning, long-context, general) from a fixed eval-derived …

    OptimismAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/auto/chat/completions

    OpenAI-compatible chat completions with the model chosen server-side: omit model and the gateway routes the prompt to the top-ranked model for its task (code, reasoning, long-context, general) from a fixed eval-derived …

    CeloAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/auto/chat/completions

    OpenAI-compatible chat completions with the model chosen server-side: omit model and the gateway routes the prompt to the top-ranked model for its task (code, reasoning, long-context, general) from a fixed eval-derived …

    SeiAI models

    n/a/ request

    2026-10-08

  • https://agent402.tools/v1/auto/gemini

    Google's native generateContent wire on the auto tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadat…

    AvalancheAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/v1/auto/gemini

    Google's native generateContent wire on the auto tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadat…

    SeiAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/v1/auto/gemini

    Google's native generateContent wire on the auto tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadat…

    PolygonAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/v1/auto/gemini

    Google's native generateContent wire on the auto tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadat…

    MonadAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/v1/auto/gemini

    Google's native generateContent wire on the auto tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadat…

    ArbitrumAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/v1/auto/gemini

    Google's native generateContent wire on the auto tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadat…

    OptimismAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/v1/auto/gemini

    Google's native generateContent wire on the auto tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadat…

    CeloAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/v1/auto/messages

    Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/auto and pay $0.01 per call in USDC, no API key, no signup. Same models, caps and price a…

    MonadAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/v1/auto/messages

    Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/auto and pay $0.01 per call in USDC, no API key, no signup. Same models, caps and price a…

    CeloAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/v1/auto/messages

    Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/auto and pay $0.01 per call in USDC, no API key, no signup. Same models, caps and price a…

    PolygonAI models

    n/a/ request

    2026-09-30

  • https://agent402.tools/v1/auto/messages

    Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/auto and pay $0.01 per call in USDC, no API key, no signup. Same models, caps and price a…

    ArbitrumAI models

    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.