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 2026-10-06

Seller wallet: 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0
Chains: BaseArbitrumAvalancheCeloMonadOptimismPolygonSei
Hosts: agent402.tools
Categories: Developer tools1,088Market data872Onchain data704Other577AI models416Web data296Media272Identity240Search144Agents124Security96Commerce16
First seen: 2026-10-05 · last seen 2026-10-06

What we observed

Payments unknownNo 402 answer2026-09-19Not claimed

See the readings

Endpoints

4,845 registered

https://agent402.tools/api/crypto-orderbook
L2 order-book snapshot for a spot pair: best bid/ask, mid price, spread (absolute + %), and the top N aggregated price levels per side (default 25, max 100). Pairs use BASE-QUOTE format (BTC-USD, ETH-USD, SOL-USDC). Bac…
SeiMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/crypto-orderbook
L2 order-book snapshot for a spot pair: best bid/ask, mid price, spread (absolute + %), and the top N aggregated price levels per side (default 25, max 100). Pairs use BASE-QUOTE format (BTC-USD, ETH-USD, SOL-USDC). Bac…
AvalancheMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/crypto-orderbook
L2 order-book snapshot for a spot pair: best bid/ask, mid price, spread (absolute + %), and the top N aggregated price levels per side (default 25, max 100). Pairs use BASE-QUOTE format (BTC-USD, ETH-USD, SOL-USDC). Bac…
MonadMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/crypto-orderbook
L2 order-book snapshot for a spot pair: best bid/ask, mid price, spread (absolute + %), and the top N aggregated price levels per side (default 25, max 100). Pairs use BASE-QUOTE format (BTC-USD, ETH-USD, SOL-USDC). Bac…
ArbitrumMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/crypto-orderbook
L2 order-book snapshot for a spot pair: best bid/ask, mid price, spread (absolute + %), and the top N aggregated price levels per side (default 25, max 100). Pairs use BASE-QUOTE format (BTC-USD, ETH-USD, SOL-USDC). Bac…
PolygonMarket data
n/a/ request
2026-09-30
https://agent402.tools/api/crypto-price
Live spot price for one or many coins in any quote currency: last price, 24h change, 24h volume and market cap per coin, from a maintained market feed and answered in under a second. Use it when an agent needs a current…
CeloMarket data
n/a/ request
2026-10-06
https://agent402.tools/api/crypto-price
Live spot price for one or many coins in any quote currency: last price, 24h change, 24h volume and market cap per coin, from a maintained market feed and answered in under a second. Use it when an agent needs a current…
PolygonMarket data
n/a/ request
2026-10-06
https://agent402.tools/api/crypto-price
Live spot price for one or many coins in any quote currency: last price, 24h change, 24h volume and market cap per coin, from a maintained market feed and answered in under a second. Use it when an agent needs a current…
OptimismMarket data
n/a/ request
2026-10-06
https://agent402.tools/api/crypto-price
Live spot price for one or many coins in any quote currency: last price, 24h change, 24h volume and market cap per coin, from a maintained market feed and answered in under a second. Use it when an agent needs a current…
SeiMarket data
n/a/ request
2026-10-06
https://agent402.tools/api/crypto-price
Live spot price for one or many coins in any quote currency: last price, 24h change, 24h volume and market cap per coin, from a maintained market feed and answered in under a second. Use it when an agent needs a current…
AvalancheMarket data
n/a/ request
2026-10-06
https://agent402.tools/api/crypto-price
Live spot price for one or many coins in any quote currency: last price, 24h change, 24h volume and market cap per coin, from a maintained market feed and answered in under a second. Use it when an agent needs a current…
MonadMarket data
n/a/ request
2026-10-06
https://agent402.tools/api/crypto-price
Live spot price for one or many coins in any quote currency: last price, 24h change, 24h volume and market cap per coin, from a maintained market feed and answered in under a second. Use it when an agent needs a current…
ArbitrumMarket data
n/a/ request
2026-10-06
https://agent402.tools/api/crypto-trending
Trending coins on CoinGecko in the last 24 hours, ranked by user search activity on the site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal …
CeloMarket data
n/a/ request
2026-10-05
https://agent402.tools/api/crypto-trending
Trending coins on CoinGecko in the last 24 hours, ranked by user search activity on the site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal …
OptimismMarket data
n/a/ request
2026-10-05
https://agent402.tools/api/crypto-trending
Trending coins on CoinGecko in the last 24 hours, ranked by user search activity on the site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal …
SeiMarket data
n/a/ request
2026-10-05
https://agent402.tools/api/crypto-trending
Trending coins on CoinGecko in the last 24 hours, ranked by user search activity on the site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal …
AvalancheMarket data
n/a/ request
2026-10-05
https://agent402.tools/api/crypto-trending
Trending coins on CoinGecko in the last 24 hours, ranked by user search activity on the site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal …
MonadMarket data
n/a/ request
2026-10-05
https://agent402.tools/api/crypto-trending
Trending coins on CoinGecko in the last 24 hours, ranked by user search activity on the site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal …
ArbitrumMarket data
n/a/ request
2026-10-05
https://agent402.tools/api/crypto-trending
Trending coins on CoinGecko in the last 24 hours, ranked by user search activity on the site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal …
PolygonMarket data
n/a/ request
2026-10-05
https://agent402.tools/api/csv-lint
Validate CSV structure: consistent column counts across rows, properly closed quotes, delimiter detection. Returns row/column counts and any structural errors. Pure CPU.
CeloDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-lint
Validate CSV structure: consistent column counts across rows, properly closed quotes, delimiter detection. Returns row/column counts and any structural errors. Pure CPU.
ArbitrumDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-lint
Validate CSV structure: consistent column counts across rows, properly closed quotes, delimiter detection. Returns row/column counts and any structural errors. Pure CPU.
MonadDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-lint
Validate CSV structure: consistent column counts across rows, properly closed quotes, delimiter detection. Returns row/column counts and any structural errors. Pure CPU.
PolygonDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-lint
Validate CSV structure: consistent column counts across rows, properly closed quotes, delimiter detection. Returns row/column counts and any structural errors. Pure CPU.
AvalancheDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-lint
Validate CSV structure: consistent column counts across rows, properly closed quotes, delimiter detection. Returns row/column counts and any structural errors. Pure CPU.
OptimismDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-lint
Validate CSV structure: consistent column counts across rows, properly closed quotes, delimiter detection. Returns row/column counts and any structural errors. Pure CPU.
SeiDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-json
Parse CSV (quoted fields supported) into a JSON array of objects, using the first row as headers (header=false for arrays).
CeloDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-json
Parse CSV (quoted fields supported) into a JSON array of objects, using the first row as headers (header=false for arrays).
OptimismDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-json
Parse CSV (quoted fields supported) into a JSON array of objects, using the first row as headers (header=false for arrays).
AvalancheDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-json
Parse CSV (quoted fields supported) into a JSON array of objects, using the first row as headers (header=false for arrays).
PolygonDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-json
Parse CSV (quoted fields supported) into a JSON array of objects, using the first row as headers (header=false for arrays).
ArbitrumDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-json
Parse CSV (quoted fields supported) into a JSON array of objects, using the first row as headers (header=false for arrays).
MonadDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-json
Parse CSV (quoted fields supported) into a JSON array of objects, using the first row as headers (header=false for arrays).
SeiDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-md
Convert CSV into a GitHub-flavored Markdown table (first row is the header).
ArbitrumDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-md
Convert CSV into a GitHub-flavored Markdown table (first row is the header).
PolygonDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-md
Convert CSV into a GitHub-flavored Markdown table (first row is the header).
CeloDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-md
Convert CSV into a GitHub-flavored Markdown table (first row is the header).
OptimismDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-md
Convert CSV into a GitHub-flavored Markdown table (first row is the header).
MonadDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-md
Convert CSV into a GitHub-flavored Markdown table (first row is the header).
AvalancheDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/csv-to-md
Convert CSV into a GitHub-flavored Markdown table (first row is the header).
SeiDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/cve-lookup
Look up a CVE by id, or search CVEs by keyword or product: the NVD description, CVSS severity and vector (v4.0, v3.1, v2), CWE weaknesses, affected products and versions (CPE), and reference links, joined with the EPSS …
OptimismSecurity
n/a/ request
2026-09-30
https://agent402.tools/api/cve-lookup
Look up a CVE by id, or search CVEs by keyword or product: the NVD description, CVSS severity and vector (v4.0, v3.1, v2), CWE weaknesses, affected products and versions (CPE), and reference links, joined with the EPSS …
CeloSecurity
n/a/ request
2026-09-30
https://agent402.tools/api/cve-lookup
Look up a CVE by id, or search CVEs by keyword or product: the NVD description, CVSS severity and vector (v4.0, v3.1, v2), CWE weaknesses, affected products and versions (CPE), and reference links, joined with the EPSS …
MonadSecurity
n/a/ request
2026-09-30
https://agent402.tools/api/cve-lookup
Look up a CVE by id, or search CVEs by keyword or product: the NVD description, CVSS severity and vector (v4.0, v3.1, v2), CWE weaknesses, affected products and versions (CPE), and reference links, joined with the EPSS …
ArbitrumSecurity
n/a/ request
2026-09-30
https://agent402.tools/api/cve-lookup
Look up a CVE by id, or search CVEs by keyword or product: the NVD description, CVSS severity and vector (v4.0, v3.1, v2), CWE weaknesses, affected products and versions (CPE), and reference links, joined with the EPSS …
AvalancheSecurity
n/a/ request
2026-09-30
https://agent402.tools/api/cve-lookup
Look up a CVE by id, or search CVEs by keyword or product: the NVD description, CVSS severity and vector (v4.0, v3.1, v2), CWE weaknesses, affected products and versions (CPE), and reference links, joined with the EPSS …
PolygonSecurity
n/a/ request
2026-09-30
https://agent402.tools/api/cve-lookup
Look up a CVE by id, or search CVEs by keyword or product: the NVD description, CVSS severity and vector (v4.0, v3.1, v2), CWE weaknesses, affected products and versions (CPE), and reference links, joined with the EPSS …
SeiSecurity
n/a/ request
2026-09-30
https://agent402.tools/api/date-diff
Difference between two dates/times in ms, seconds, minutes, hours, days, and a human summary.
CeloDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/date-diff
Difference between two dates/times in ms, seconds, minutes, hours, days, and a human summary.
OptimismDeveloper tools
n/a/ request
2026-09-30
https://agent402.tools/api/date-diff
Difference between two dates/times in ms, seconds, minutes, hours, days, and a human summary.
SeiDeveloper tools
n/a/ request
2026-09-30

Evidence

as of 2026-10-06

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 (ranges over 10000 blocks are not supported on free plan)

window ended 2026-10-06

By chain

Chain	Seller wallet	Endpoints	Answers 402	x402-style payments
Base	0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0	603	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 (ranges over 10000 blocks are not supported on free plan)
Arbitrum	0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0	606	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	606	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	606	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	606	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	606	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	606	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	606	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 2026-10-06

Highest

$2.00

per request, as registeredas of 2026-10-06

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 2026-10-06. Appearing here is not an endorsement. Check an endpoint with the doctor.