x402 census · twin.unykorn.org · 7e53efc07951 · JSON
POST /abi-event-topic
live
Event topic0 from a Solidity event signature — Genesis402 / UnyKorn Operator Network
Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://twin.unykorn.org/abi-event-topic |
| Method | POST |
| Price | $0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts eip155:137, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| payTo | 0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB |
| Seller | twin.unykorn.org |
| Catalogs | cdp (row updated 2026-09-20) |
| Listed since (lower bound) | 2026-09-20 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-20 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-20 (catalog-reported, not verified on chain) |
| Category (keyword rule) | other/unknown |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | · Ethereum, ABI, EVM, deterministic, developer tooling |
Unpaid probe (census of 2026-09-30)
| Field | Value |
|---|---|
| Probed at | 2026-09-30T23:45:50.985Z |
| HEAD | 405 |
| GET | 402 |
| Verdict | live live: valid 402 to an unpaid GET |
| 402 carried in | header+body |
| x402Version in the 402 | 2 |
| accepts[0] | {"scheme":"exact","network":"eip155:8453","amount":"1000","payTo":"0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}} |
| Live amount equals catalog price | yes |
| Live payTo equals catalog payTo | yes |
| extensions.bazaar in the 402 | yes |
| PAYMENT-REQUIRED header | yes |
| WWW-Authenticate offer | x402 realm="genesis402", version="1", Pa |
| Content type / server / CORS | application/json / cloudflare / * |
| Latency | 1,688 ms |
| Error | Payment required |
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 | 1 |
| USDC volume | $0.001 |
| Median payment | $0.001 |
| First / last payment | 2026-09-30 / 2026-09-30 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"params": {
"signature": "Transfer(address,address,uint256)"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"generated_at": "<iso8601>",
"ok": true,
"receipt": {
"amount_usd": 0.25,
"receipt_id": "g402-<16hex>",
"tx_hash": "0x<64hex>"
},
"type": "abi-event-topic"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://twin.unykorn.org/abi-event-topic' -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/7e53efc07951/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"7e53efc07951"} 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 twin.unykorn.org.