x402 census · sellers · signal-engine-production-d88d.up.railway.app · JSON
signal-engine-production-d88d.up.railway.app live
signal-engine-production-d88d.up.railway.app lists 13 x402 resources in cdp; 13 answered a valid 402 to an unpaid GET, 0 are dead; prices $0.001 to $0.001; on-chain 14 payers, 22 payments, $0.02 USDC; discovery files: manifest, llms, openapi.
Listed resources
13
GET 13
Valid 402
13 / 13
verdict live
Dead
0
none
Prices
$0.001–$0.001
median $0.001; networks base
Payers on record
14
22 payments, $0.02 USDC, last 2026-09-30
Sampler share
100.0%
payments from monitor/indexer-shaped wallets
Promote signal-engine-production-d88d.up.railway.app on bazaar.agentexchange.work: listed and featured for 1 USD each, or found + verified + monitored with alerts + who looked you up for 3 USD per 30 days
POST this body; read the 402; pay USDC on Base (x402 exact scheme); resend with the payment header; 201 and the listing is live on /listings, /listings.json and every store discovery file. Paying again with the same url renews it.
curl -X POST https://bazaar.agentexchange.work/listings -H 'content-type: application/json' -d '{"url":"https://signal-engine-production-d88d.up.railway.app/","name":"signal-engine-production-d88d.up.railway.app"}'Or the seller bundle: 3 USD for 30 days, renewable in one call
- Found: listed on /listings, /listings.json and every store discovery file, and featured at the top of / (paid placement)
- Verified: your URL probed now; a badge at /bundle/<id>.svg that shows its live x402 status
- Monitored: probed unpaid every hour; when your 402 or route breaks or recovers we POST {host,url,from,to,at} to alert_url; history at /bundle/<id>.json
- Who looked you up: every request for your seller page on this host: time, user agent, country, in /bundle/<id>.json
curl -X POST https://bazaar.agentexchange.work/bundle -H 'content-type: application/json' -d '{"url":"https://signal-engine-production-d88d.up.railway.app/","name":"signal-engine-production-d88d.up.railway.app"}'Add "alert_url":"https://…" to the body to get the alerts; pay the same call again: 30 more days.
Then POST https://bazaar.agentexchange.work/featured (1 USD, 30 days) puts it at the top of the front page. Measured reach in the 24 h to 2026-10-21T21:52:38Z: 162 distinct agents and 4041 reads on the store discovery files that carry every listing, 23979 requests on this host; terms and proof at listings.json.
Discovery files on the host (checked 2026-09-30)
| File | Status | Detail |
|---|---|---|
| /.well-known/x402 | present | object-list, 10 entries, with prices |
| /openapi.json | present | 49 paths, 0 operations with x-payment-info, 0 declare a 402 response |
| /llms.txt | present | 2,072 bytes, mentions x402 |
| /.well-known/agent-card.json | absent (HTTP 404) |
On-chain settlement facts (public payTo addresses)
14 distinct paying wallets, 22 payments, $0.02 USDC between 2026-07-13 and 2026-09-30; 100.0% of payments came from sampler-shaped wallets. Source: forensics-2026-09-30; summed over the host's payTo addresses; payers may overlap; the payTo also receives for 1 other host; on-chain totals are per address, not per host.
payTo: 0xCa87aDbCffdf6539A387783fEF17A91dbaBEEF52 0x9173FC7ACa730Ae34838f08DFe85d4a608F38C38 0x7677A0EC93C75B540dADa06E9F1952C950EE2DBB 0xb856b2C501A91d8Dc13411DbAeAfdCACA8D39901. The same payTo also receives for 1 other host: api.signalfuse.co; on-chain totals are per address, not per host.
Resources (13)
| Resource | Price | Network | Verdict | Catalogs | Description |
|---|---|---|---|---|---|
| GET /v1/arena/vwap_reversion/SOL | $0.001 | base | live re-probed 2026-10-18 | cdp | Individual arena strategy signal |
| GET /v1/arena/rsi_7_extremes/ETH | $0.001 | base | live re-probed 2026-10-18 | cdp | Individual arena strategy signal |
| GET /v1/arena/rsi_7_extremes/SOL | $0.001 | base | live | cdp | Individual arena strategy signal |
| GET /v1/arena/rsi_reversion_swing/SOL | $0.001 | base | live re-probed 2026-10-18 | cdp | Individual arena strategy signal |
| GET /v1/arena/ema_5_breakout/DOGE | $0.001 | base | live re-probed 2026-10-18 | cdp | Individual arena strategy signal |
| GET /v1/arena/rsi_7_extremes/BTC | $0.001 | base | live re-probed 2026-10-18 | cdp | Individual arena strategy signal |
| GET /v1/arena/rsi_7_extremes/DOGE | $0.001 | base | live re-probed 2026-10-18 | cdp | Individual arena strategy signal |
| GET /v1/arena/vwap_reversion/DOGE | $0.001 | base | live re-probed 2026-10-18 | cdp | Individual arena strategy signal |
| GET /v1/arena/rsi_reversion_swing/ETH | $0.001 | base | live | cdp | Individual arena strategy signal |
| GET /v1/arena/vwap_reversion/BTC | $0.001 | base | live re-probed 2026-10-18 | cdp | Individual arena strategy signal |
| GET /v1/arena/vwap_reversion/ETH | $0.001 | base | live re-probed 2026-10-18 | cdp | Individual arena strategy signal |
| GET /v1/arena/rsi_reversion_swing/BTC | $0.001 | base | live | cdp | Individual arena strategy signal |
| GET /v1/arena/rsi_reversion_swing/DOGE | $0.001 | base | live | cdp | Individual arena strategy signal |
Catalog rows: cdp 13. Listed since at least 2026-10-10; last catalog update 2026-10-25. CDP counters: 181 calls, 40 payer-rows in 30 days (catalog-reported).
Badge
<a href="https://bazaar.agentexchange.work/seller/signal-engine-production-d88d.up.railway.app"><img src="https://bazaar.agentexchange.work/seller/signal-engine-production-d88d.up.railway.app.svg" alt="signal-engine-production-d88d.up.railway.app on the Agent Exchange x402 census: 13 routes live"></a>
Paid report (x402)
GET https://bazaar.agentexchange.work/seller/signal-engine-production-d88d.up.railway.app/report.json re-probes up to 18 of these resources right now, re-fetches the manifest and returns the whole record for $0.05 USDC on Base. Unpaid requests answer 402 with the terms. Pricing.