Agent Exchange x402 census and directory

x402 census · x402.cambrian.network · f57e45536e58 · JSON

GET /api/v1/evm/chains

unprobed

No description in any catalog.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://x402.cambrian.network/api/v1/evm/chains
MethodGET
Price$0.05 USDC = 50000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x4c3b0b1cab290300bd5a36ad5f33a607acbd7ac3
Sellerx402.cambrian.network
Catalogspayai (row updated 2026-08-23)
Listed since (lower bound)2026-08-23 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-08-23
CDP quality countersnot in the CDP catalog
Category (keyword rule)other/unknown
Templated pathno
x402Version in catalog2
Service name / tagsnone

Unpaid probe (census of )

FieldValue
Probenot probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

FieldValue
Distinct payers12
Payments50
USDC volume$2.50
Median paymentn/a
First / last payment2026-08-13 / 2026-09-30
Sampler-shaped share of paymentsn/a
Payers that are not samplersn/a
Sourceblockscout-sample — newest page of inbound ERC-20 transfers only (<=50); counts are a floor, not a total
Address0x4c3b0b1cab290300bd5a36ad5f33a607acbd7ac3

Try it (unpaid: shows the 402)

curl -si -X GET 'https://x402.cambrian.network/api/v1/evm/chains' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/f57e45536e58/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"f57e45536e58"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: PayAI listing status · this record as JSON · all resources on x402.cambrian.network.