underground.substratesymposium.com
answeringUnderground Cultural District — catalog of 228 themed digital products (poetry, philosophy, fiction, reflection, plant meditations). One settle returns the full menu with every product's slug, description, price, and x402 endpoint. Each individual product is its own indexable x402 route. The catalog is the doorway.
- Endpoint
- https://underground.substratesymposium.com/buy/catalog
- Price
- $0.01 / call
- Settles via
- cdp
- Category
- —
- Last seen live
- Tue, 08 Sep 2026 05:24:25 UTC
- Last probed
- Tue, 08 Sep 2026 05:24:25 UTC
- First indexed
- Tue, 08 Sep 2026 05:22:25 UTC
- Sources
- cdp-x402
Probe history
Last 1 probes, newest on the right. 100% answered with a payment challenge.
| When | Result | Method | Status | Latency |
|---|---|---|---|---|
| Tue, 08 Sep 2026 05:24:25 UTC | challenge | http-402 | 402 | 1236 ms |
JSON: /api/v1/services/underground.substratesymposium.com. Own this service? Update the listing.