{"service":"ytkace-private-api","version":"1.0.0","youtubeiVersion":"18.3.0","node":"24.22.1","contract":"YTKACE Flutter /v1 DTO","mediaRelay":true,"capabilities":["public search discovery","video/channel/playlist","streams","captions","related","read-only SponsorBlock"],"limits":{"requestTimeoutMs":25000,"mediaTimeoutMs":900000,"maxInflight":6,"rateLimitPerMinute":120,"cursorTtlSeconds":300,"trustProxy":true},"limitations":["No signed-in YouTube account or subscription synchronization.","YouTube may block a server IP or require an attestation token.","No automatic SponsorBlock submissions.","Media URLs expire; resolve again after expiry.","vm/worker limits are not a security sandbox. Run the container with its documented isolation."]}