x402 census · x402-tools.vercel.app · 25de8552b6e4 · JSON
GET /api/concerts
live
Search for upcoming concerts. Supports city, date range, genre, and artist filtering.
Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01).
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://x402-tools.vercel.app/api/concerts |
| Method | GET |
| Price | $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xbAd1Aa224bFe4fEb460E12b2553DcDf98a7098d0 |
| Seller | x402-tools.vercel.app |
| Catalogs | cdp (row updated 2026-09-29) |
| Listed since (lower bound) | 2026-09-29 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-29 |
| CDP quality counters | 4 calls and 3 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain) |
| Category (keyword rule) | other/unknown |
| 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 | 2026-10-01T06:13:18.000Z (cron) |
| Verdict now | live changed from unprobed |
| HEAD / GET | 402 / 402 |
| accepts[0] | {"scheme":"exact","network":"eip155:8453","amount":"10000","payTo":"0xbAd1Aa224bFe4fEb460E12b2553DcDf98a7098d0","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}} |
| Live amount equals catalog price | yes |
| Latency | 856 ms |
| Error | none |
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 9 |
| Payments | 10 |
| USDC volume | $0.10 |
| Median payment | $0.01 |
| First / last payment | 2026-06-23 / 2026-09-17 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xbAd1Aa224bFe4fEb460E12b2553DcDf98a7098d0 |
Declared input and output (extensions.bazaar)
{
"input": {
"method": "GET",
"queryParams": {
"countryCode": "US",
"page": "0"
},
"type": "http"
},
"output": {
"type": "json",
"example": [
{
"artists": [
"Khruangbin",
"Bob Moses"
],
"city": "Boston",
"date": "2026-04-15",
"name": "Khruangbin - A La Sala Tour",
"priceRange": {
"max": 150,
"min": 55
},
"time": "20:00:00",
"url": "https://example.com/event/abc123",
"venue": "Paradise Rock Club"
}
]
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://x402-tools.vercel.app/api/concerts' -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/25de8552b6e4/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"25de8552b6e4"} 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 x402-tools.vercel.app.