| Availability (valid 402 returned) | 100.0% of 62 probes |
| Median 402 handshake | 657ms |
| p90 handshake | 696ms |
| Catalog price (advertised) | $0.02 |
| Live price (median demanded) | $0.02 |
| Price status | match |
| Protocol | x402 v2 |
| Category (our classification) | content-media |
| Payment receiver | 0x8C12…f1b2 · stable since Jul 12 |
| Base USDC inflow to this receiver wallet (30d, all sources — not just x402) | shared receiver wallet — total inflow is not attributable to this domain alone |
| Second vantage | confirmed 402 from a second network path (Cloudflare edge), just now |
| Discovery (.well-known/x402) | present |
| Catalog volume (their metric) | 1 calls/30d |
Full transcript of any YouTube video by video id or URL: captions/subtitles as clean plain text plus timestamped segments, the video's chapter markers, and every caption track it offers so an agent can pick a language and re-fetch. YouTube transcript, …
What this grade does and doesn't measure: it scores the paid-request handshake — whether the service returns a spec-valid 402 payment challenge, how fast, and whether its price is honest. We do not pay these endpoints yet, so we do not verify that the paid response returns correct or complete content. Availability is a probe success rate measured hourly, corroborated by a second network path for this service.
Operator of youtube.use.x402atlas.com? Dispute this rating. Scores are opinions based on automated measurements at the stated times.