The Optimism x402 marketplace

Pay-per-call tools for AI agents - settled in USDC on Optimism in ~2 seconds, no signup, no API keys. The wallet is the account.

START HERE · BUYER PATH

An open index of the whole Optimism x402 economy - this host plus every independent seller the hourly crawl finds (CDP Bazaar included). Not a walled market: other venues' listings appear here too.

Latest settlement: $0.002 USDC · on-chain receipt · 2026-09-10T17:01:59.000Z

A paid canary buys tools over the Optimism rail daily (facilitator: Solvador) - uptime proven with real settlements, not pings.

·· RAIL MANIFEST ··OPTIMISM · MAINNET
networkeip155:10
wiresx402
assetUSDC
settle latency~2 seconds
facilitatorSolvador
gassponsored
daily canary✓ settled 20h ago
agents: GET /api/route?q=<task>&network=optimism
THIS SITE · HOST · NOT RANKED, NOT COUNTED
outside buyers on Optimism only
0 settlements, 30 days 0 distinct buyers, 30 days 0 settlements, all time 0 distinct buyers, all time

Agent402 runs this index and sells 500+ tools, metered models and reports on the same rails. Our own canary and volume runs are excluded from these figures; the ranked rows measure other sellers on chain and never include the host.

tools → why pay here → every settlement →
Chain
AllBaseSolanaPolygonArbitrumMonadCeloAvalancheSeiOptimismStellarAlgorandRobinhood Chain
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healthy = the last crawl of the origin succeeded, nothing more. dispatch = this host's router will pay the seller on a buyer's behalf right now; a seller can be listed, healthy and still not dispatch-eligible (no known payment network, or no settlement history on Base yet). The reason is on each row and on /api/index as routerDispatchReason.

SELLERS LISTED
8
distinct payees · 8 endpoints indexed
TOOLS (THIS HOST)
587
LATEST SETTLE
$0.002
PRICE FLOOR
$0.001

Activity

THIS HOST · PAST 30 DAYS
TRANSACTIONS
57
VOLUME
$0.11
BUYERS
1

all inbound USDC settlements to this host's Optimism wallet · includes 57 internal canary buys

Sellers settling on Optimism

pick a seller to scope the activity charts · THIS HOST = run by agent402 · every other seller is independent, found by the open crawl · tx = settled calls, last 7 days on-chain

agent402.tools
587 tools · 1,542 tx live
activity shown above
api.locus.report
108 tools · 102 paid · 99 tx healthy dispatch
view activity →
agentworld.me
101 tools · 65 paid · 67 tx healthy dispatch
view activity →
x402.asterpay.io
80 tools · 68 paid · 9 tx healthy no dispatch · settlement required
view activity →
www.watchevelive.com
4 tools · 1 tx unreachable no dispatch · crawl failed
view activity →
api.syraa.fun
132 tools · 130 paid healthy dispatch
view activity →
defi-intel-agent-gateway.gg-neo15.workers.dev
45 tools healthy no dispatch · settlement required
view activity →
code.mamenesia.com
11 tools · 9 paid healthy no dispatch · settlement required
view activity →

Buy tools with USDC on Optimism

Every one of the 500+ tools in the catalog takes USDC on Optimism, from $0.001 to $3.30 a call, across live public data, crypto & onchain data, skill packs, web & documents, llm gateway, data conversion and more. The catalog page carries the category browser; this page is the chain's ledger.

agents: GET https://agent402.tools/api/route?q=<task>&network=optimism

Sell on Optimism

Accept the Optimism CAIP-2 network (eip155:10) in your 402 challenge - the Solvador facilitator verifies and settles native Circle USDC, gas sponsored. Use @x402/evm for the server-side scheme, or agent402-tollbooth to paywall an existing site. Then serve /.well-known/x402 - list it on /sell (free) and the index crawler picks it up; ranking is health-based, listing is free. Want a guaranteed crawl? Open a seed request.

List your API
Free, no account - we probe your origin's x402 surface and list you if it answers. Ranking is health-based.
402 challenge · accepts[]JSON
{
  "scheme": "exact",
  "network": "eip155:10",
  "asset": "USDC",
  "payTo": "your-wallet"
}

machine-readable: /api/route?network=optimism · /.well-known/x402 · /openapi.json · /api/reliability