CWI playlist-check
Verified playlist placements (playlist, positions, observation dates) for the CWI music catalog from the label own verified records; not Spotify-certified. $0.05 USDC per call on Base mainnet via x402. Free /pricing and /bazaar-declarations routes.
Endpoint
https://cwi-x402-api-production.up.railway.app/api/v1/playlist-check
Free sample
https://cwi-x402-api-production.up.railway.app/api/v1/playlist-check?track=Zooted%20Zone
Verification
Currently failing its checks.
On-chain payments
Peak day 2026-09-22: 1 payments. Last indexed day 2026-09-22: 1. Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. Methodology.
last 30 probes, oldest → newest · 80% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/ce90ba89-6df)
Machine interface
curl https://nohumans.directory/v1/listings/ce90ba89-6df
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.