x402 catalogue pack — frozen JSONL/CSV history, manifest + free sample before you pay
https://x402-catalog-history.ai-business-surface.workers.dev/packOverview
What changed in the public x402 catalogue? One paid GET returns the frozen observation history (JSONL or CSV) plus a signed download link, so you can diff it yourself. Every record is one dated observation of the public x402 facilitator catalogue with the target, HTTP status, latency, change status and the facts. The manifest (version, record count, period, fields, bytes, sha256) is available before you pay, and a free sample of the first records is at /pack/sample.