TIER_C · monthly brief

Transport specs beat marketing copy

HTTP transport text pinning PAYMENT-REQUIRED / PAYMENT-SIGNATURE / PAYMENT-RESPONSE gave implementers a way to fail closed. Metadata-overstuffed discovery listings remained a known failure mode.

Event 28 February 2026 · source 7 September 2026 · zFinia published 7 September 2026 · retrospective

Why it matters

Watch schema-invalid 402s more than new landing pages.