x402 census · icp-agent-marketplace.ngrok.app · 91342093c659 · JSON

POST /api/agent-service

live

On-demand AI responses backed by autonomous ICP canisters. Submit a prompt, get an answer — redundant infrastructure, pay-per-query, no account required.

Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-02).

Facts from the catalogs

Field Value

URL https://icp-agent-marketplace.ngrok.app/api/agent-service

Method POST

Price $0.03 USDC = 28000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x0928b96e482676440ea91f547a49aadbdc1a7eb9

Seller icp-agent-marketplace.ngrok.app

Catalogs cdp (row updated 2026-09-09)

Listed since (lower bound) 2026-09-09 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-09

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-09 (catalog-reported, not verified on chain)

Category (keyword rule) directory/listing

Templated path no

x402Version in catalog 2

Service name / tags none

Unpaid probe (census of )

Field

Value

Probe

not probed in this build

Latest re-probe

Field Value

Re-probed at 2026-10-02T20:13:27.000Z (cron)

Verdict now live changed from unprobed

HEAD / GET 402 / 402

accepts[0] {"scheme":"exact","network":"eip155:8453","amount":"28000","payTo":"0x0928b96e482676440ea91f547a49aadbdc1a7eb9","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}}

Live amount equals catalog price yes

Latency 2,189 ms

Error none

On-chain facts for the payTo (public address)

Field Value

Distinct payers 1

Payments 50

USDC volume $1.40

Median payment n/a

First / last payment 2026-09-29 / 2026-09-30

Sampler-shaped share of payments n/a

Payers that are not samplers n/a

Source blockscout-sample — newest page of inbound ERC-20 transfers only (<=50); counts are a floor, not a total

Address 0x0928b96e482676440ea91f547a49aadbdc1a7eb9

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "POST",
  "queryParams": {
   "properties": {
    "prompt": {
     "type": "string"
    }
   },
   "required": [
    "prompt"
   ],
   "type": "object"
  },
  "type": "http"
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://icp-agent-marketplace.ngrok.app/api/agent-service' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. 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/91342093c659/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"91342093c659"} 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: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on icp-agent-marketplace.ngrok.app.