x402 census · ontarioprotocol.com · d4024ed8aed2 · JSON
POST /api/x402/list-service
unprobed
Publish your x402 API for agent discovery with an Ontario profile and Bazaar Launch Passport after free validation: public profile, readiness report, Coinbase indexing preflight, five-query buyer-intent audit, optional MCP procurement evidence, badge, distribution metadata, and 30 days of freshness maintenance. Call when you need public launch evidence. Ontario is not Coinbase. Payment buys proce…
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
| Field | Value |
|---|---|
| URL | https://ontarioprotocol.com/api/x402/list-service |
| Method | POST |
| Price | $0.50 USDC = 500000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xa2d72aBF2C5e939fdDCA4156B74dE482e03CA3ec |
| Seller | ontarioprotocol.com |
| Catalogs | cdp (row updated 2026-09-19) |
| Listed since (lower bound) | 2026-09-19 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-19 |
| CDP quality counters | 9 calls and 6 unique payers in 30 days, last call 2026-09-27 (catalog-reported, not verified on chain) |
| Category (keyword rule) | crypto-data |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not 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)
| Field | Value |
|---|---|
| Distinct payers | 1 |
| Payments | 2 |
| USDC volume | $0.60 |
| Median payment | $0.30 |
| First / last payment | 2026-09-19 / 2026-09-19 |
| Sampler-shaped share of payments | 0.0% |
| Payers that are not samplers | 1 |
| Source | forensics-2026-09-30 |
| Address | 0xa2d72aBF2C5e939fdDCA4156B74dE482e03CA3ec |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"buyer_query": "get one concrete result for an autonomous agent",
"description": "Return one concrete result for an autonomous agent after x402 payment.",
"endpoint": "https://example.com/api/paid",
"mcp_remote_url": "https://example.com/mcp",
"mcp_server_json_url": "https://registry.modelcontextprotocol.io/v0.1/servers?search=io.github.example%2Fpaid-tool",
"mcp_server_name": "io.github.example/paid-tool",
"method": "POST",
"name": "Example Paid API",
"network": "base",
"owner_url": "https://example.com",
"price_usdc": "0.01",
"source": "direct_or_unknown",
"tags": [
"x402",
"agent-api"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example_truncated": true,
"chars": 511
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://ontarioprotocol.com/api/x402/list-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/d4024ed8aed2/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"d4024ed8aed2"} 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 ontarioprotocol.com.