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 · 7dn/a
Answer 4020 of 8

Overview

as of 2026-10-09

Seller wallet: 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0
Chains: BaseArbitrumAvalancheCeloMonadOptimismPolygonSei
Hosts: agent402.tools
Categories: Developer tools1,088Market data872Onchain data704Other577AI models424Web data296Media272Identity240Search144Agents124Security96Commerce16
First seen: 2026-10-05 · last seen 2026-10-09

What we observed

Payments unknownNo 402 answer2026-09-19Not claimed

See the readings

Endpoints

4,853 registered

https://agent402.tools/v1/pro/gemini
Google's native generateContent wire on the pro tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadata…
SeiAI models
n/a/ request
2026-09-22
https://agent402.tools/v1/pro/gemini
Google's native generateContent wire on the pro tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadata…
CeloAI models
n/a/ request
2026-09-22
https://agent402.tools/v1/pro/gemini
Google's native generateContent wire on the pro tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadata…
PolygonAI models
n/a/ request
2026-09-22
https://agent402.tools/v1/pro/gemini
Google's native generateContent wire on the pro tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadata…
ArbitrumAI models
n/a/ request
2026-09-22
https://agent402.tools/v1/pro/gemini
Google's native generateContent wire on the pro tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadata…
AvalancheAI models
n/a/ request
2026-09-22
https://agent402.tools/v1/pro/messages
Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps and price as…
SeiAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/messages
Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps and price as…
PolygonAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/messages
Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps and price as…
AvalancheAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/messages
Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps and price as…
OptimismAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/messages
Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps and price as…
CeloAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/messages
Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps and price as…
ArbitrumAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/messages
Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps and price as…
MonadAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/responses
OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps an…
MonadAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/responses
OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps an…
ArbitrumAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/responses
OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps an…
PolygonAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/responses
OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps an…
AvalancheAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/responses
OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps an…
SeiAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/responses
OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps an…
OptimismAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/pro/responses
OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps an…
CeloAI models
n/a/ request
2026-09-11
https://agent402.tools/v1/recall-report
Name a drug, food, ingredient, brand or medical device and get one cited FDA recall report: every matching enforcement record across the drug, food and device feeds (firm, class I/II/III, status, reason, distribution, d…
AvalancheOther
n/a/ request
2026-09-11
https://agent402.tools/v1/recall-report
Name a drug, food, ingredient, brand or medical device and get one cited FDA recall report: every matching enforcement record across the drug, food and device feeds (firm, class I/II/III, status, reason, distribution, d…
CeloOther
n/a/ request
2026-09-11
https://agent402.tools/v1/recall-report
Name a drug, food, ingredient, brand or medical device and get one cited FDA recall report: every matching enforcement record across the drug, food and device feeds (firm, class I/II/III, status, reason, distribution, d…
ArbitrumOther
n/a/ request
2026-09-11
https://agent402.tools/v1/recall-report
Name a drug, food, ingredient, brand or medical device and get one cited FDA recall report: every matching enforcement record across the drug, food and device feeds (firm, class I/II/III, status, reason, distribution, d…
SeiOther
n/a/ request
2026-09-11
https://agent402.tools/v1/recall-report
Name a drug, food, ingredient, brand or medical device and get one cited FDA recall report: every matching enforcement record across the drug, food and device feeds (firm, class I/II/III, status, reason, distribution, d…
PolygonOther
n/a/ request
2026-09-11
https://agent402.tools/v1/recall-report
Name a drug, food, ingredient, brand or medical device and get one cited FDA recall report: every matching enforcement record across the drug, food and device feeds (firm, class I/II/III, status, reason, distribution, d…
MonadOther
n/a/ request
2026-09-11
https://agent402.tools/v1/recall-report
Name a drug, food, ingredient, brand or medical device and get one cited FDA recall report: every matching enforcement record across the drug, food and device feeds (firm, class I/II/III, status, reason, distribution, d…
OptimismOther
n/a/ request
2026-09-11
https://agent402.tools/v1/rerank
Rerank documents against a query over x402 - the Cohere /rerank wire ({query, documents[], top_n} -> results with relevance_score), served by cohere/rerank-v3.5, $0.002 per call in USDC, no API key, no signup. Up to 50 …
PolygonOther
n/a/ request
2026-10-08
https://agent402.tools/v1/rerank
Rerank documents against a query over x402 - the Cohere /rerank wire ({query, documents[], top_n} -> results with relevance_score), served by cohere/rerank-v3.5, $0.002 per call in USDC, no API key, no signup. Up to 50 …
CeloOther
n/a/ request
2026-10-08
https://agent402.tools/v1/rerank
Rerank documents against a query over x402 - the Cohere /rerank wire ({query, documents[], top_n} -> results with relevance_score), served by cohere/rerank-v3.5, $0.002 per call in USDC, no API key, no signup. Up to 50 …
OptimismOther
n/a/ request
2026-10-08
https://agent402.tools/v1/rerank
Rerank documents against a query over x402 - the Cohere /rerank wire ({query, documents[], top_n} -> results with relevance_score), served by cohere/rerank-v3.5, $0.002 per call in USDC, no API key, no signup. Up to 50 …
SeiOther
n/a/ request
2026-10-08
https://agent402.tools/v1/rerank
Rerank documents against a query over x402 - the Cohere /rerank wire ({query, documents[], top_n} -> results with relevance_score), served by cohere/rerank-v3.5, $0.002 per call in USDC, no API key, no signup. Up to 50 …
AvalancheOther
n/a/ request
2026-10-08
https://agent402.tools/v1/rerank
Rerank documents against a query over x402 - the Cohere /rerank wire ({query, documents[], top_n} -> results with relevance_score), served by cohere/rerank-v3.5, $0.002 per call in USDC, no API key, no signup. Up to 50 …
MonadOther
n/a/ request
2026-10-08
https://agent402.tools/v1/rerank
Rerank documents against a query over x402 - the Cohere /rerank wire ({query, documents[], top_n} -> results with relevance_score), served by cohere/rerank-v3.5, $0.002 per call in USDC, no API key, no signup. Up to 50 …
ArbitrumOther
n/a/ request
2026-10-08
https://agent402.tools/v1/research
Hand over a whole research question and get one cited report back. The gateway plans sub-questions, runs multiple live web searches, reranks the sources by relevance, and synthesizes a ~1,500-word report with inline [n]…
AvalancheOther
n/a/ request
2026-10-05
https://agent402.tools/v1/research
Hand over a whole research question and get one cited report back. The gateway plans sub-questions, runs multiple live web searches, reranks the sources by relevance, and synthesizes a ~1,500-word report with inline [n]…
SeiOther
n/a/ request
2026-10-05
https://agent402.tools/v1/research
Hand over a whole research question and get one cited report back. The gateway plans sub-questions, runs multiple live web searches, reranks the sources by relevance, and synthesizes a ~1,500-word report with inline [n]…
CeloOther
n/a/ request
2026-10-05
https://agent402.tools/v1/research
Hand over a whole research question and get one cited report back. The gateway plans sub-questions, runs multiple live web searches, reranks the sources by relevance, and synthesizes a ~1,500-word report with inline [n]…
PolygonOther
n/a/ request
2026-10-05
https://agent402.tools/v1/research
Hand over a whole research question and get one cited report back. The gateway plans sub-questions, runs multiple live web searches, reranks the sources by relevance, and synthesizes a ~1,500-word report with inline [n]…
ArbitrumOther
n/a/ request
2026-10-05
https://agent402.tools/v1/research
Hand over a whole research question and get one cited report back. The gateway plans sub-questions, runs multiple live web searches, reranks the sources by relevance, and synthesizes a ~1,500-word report with inline [n]…
OptimismOther
n/a/ request
2026-10-05
https://agent402.tools/v1/research
Hand over a whole research question and get one cited report back. The gateway plans sub-questions, runs multiple live web searches, reranks the sources by relevance, and synthesizes a ~1,500-word report with inline [n]…
MonadOther
n/a/ request
2026-10-05
https://agent402.tools/v1/research/market-brief
Name a market, category or company and get one cited MARKET / COMPETITOR BRIEF: how the market is defined and sized, the key players and what each offers, pricing, recent moves, how they differ, risks and a bottom line …
CeloAgents
n/a/ request
2026-09-11
https://agent402.tools/v1/research/market-brief
Name a market, category or company and get one cited MARKET / COMPETITOR BRIEF: how the market is defined and sized, the key players and what each offers, pricing, recent moves, how they differ, risks and a bottom line …
OptimismAgents
n/a/ request
2026-09-11
https://agent402.tools/v1/research/market-brief
Name a market, category or company and get one cited MARKET / COMPETITOR BRIEF: how the market is defined and sized, the key players and what each offers, pricing, recent moves, how they differ, risks and a bottom line …
SeiAgents
n/a/ request
2026-09-11
https://agent402.tools/v1/research/market-brief
Name a market, category or company and get one cited MARKET / COMPETITOR BRIEF: how the market is defined and sized, the key players and what each offers, pricing, recent moves, how they differ, risks and a bottom line …
PolygonAgents
n/a/ request
2026-09-11
https://agent402.tools/v1/research/market-brief
Name a market, category or company and get one cited MARKET / COMPETITOR BRIEF: how the market is defined and sized, the key players and what each offers, pricing, recent moves, how they differ, risks and a bottom line …
ArbitrumAgents
n/a/ request
2026-09-11
https://agent402.tools/v1/research/market-brief
Name a market, category or company and get one cited MARKET / COMPETITOR BRIEF: how the market is defined and sized, the key players and what each offers, pricing, recent moves, how they differ, risks and a bottom line …
AvalancheAgents
n/a/ request
2026-09-11
https://agent402.tools/v1/research/market-brief
Name a market, category or company and get one cited MARKET / COMPETITOR BRIEF: how the market is defined and sized, the key players and what each offers, pricing, recent moves, how they differ, risks and a bottom line …
MonadAgents
n/a/ request
2026-09-11
https://agent402.tools/v1/research/max
The exhaustive tier: up to a dozen sub-questions and grounded searches, the widest reranked source set, premium synthesis into a ~2,800-word cited report with a full source table. Our most thorough single-call research …
PolygonSearch
n/a/ request
2026-09-11
https://agent402.tools/v1/research/max
The exhaustive tier: up to a dozen sub-questions and grounded searches, the widest reranked source set, premium synthesis into a ~2,800-word cited report with a full source table. Our most thorough single-call research …
CeloSearch
n/a/ request
2026-09-11
https://agent402.tools/v1/research/max
The exhaustive tier: up to a dozen sub-questions and grounded searches, the widest reranked source set, premium synthesis into a ~2,800-word cited report with a full source table. Our most thorough single-call research …
ArbitrumSearch
n/a/ request
2026-09-11

Evidence

as of 2026-10-09

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 (mainnet.base.org: request limit reached)

window ended 2026-10-09

By chain

Chain	Seller wallet	Endpoints	Answers 402	x402-style payments
Base	0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0	604	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 (mainnet.base.org: request limit reached)
Arbitrum	0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0	607	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	607	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	607	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	607	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	607	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	607	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	607	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 2026-10-09

Highest

$2.00

per request, as registeredas of 2026-10-09

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 2026-10-09. Appearing here is not an endorsement. Check an endpoint with the doctor.