overlay: 1.0.0 info: title: API Evangelist enhancements for the Pypestream Analytics API version: 1.0.0 extends: openapi/pypestream-analytics-api-openapi.json x-generated: '2026-08-26' x-method: generated x-source: API Evangelist enrichment pass over Pypestream published docs and probes, 2026-08-26. Records facts stated on developers.pypestream.com or observed by probe that the OpenAPI itself omits. Never mutates the original. actions: - target: $.info description: Attach enrichment provenance. update: x-api-evangelist: profile: https://apis.io/provider/pypestream artifacts: https://github.com/api-evangelist/pypestream enriched: '2026-08-26' - target: $.info description: Record that no failure mode is declared anywhere in this contract. update: x-api-evangelist-defect: None of the 43 operations declares a 4xx or 5xx response. A generated client has no documented error to handle. x-error-catalog: errors/pypestream-problem-types.yml - target: $.info description: Record the reversibility posture of the batch export write surface. update: x-reversibility: batch_exports_pause_create / batch_exports_unpause_create is a fully symmetric reversal; batch_exports_backfill_create is the compensating replay for a gap; batch_exports_destroy is permanent. No time window is published for any of them. x-reversibility-detail: conventions/pypestream-conventions.yml - target: $.info description: Record the upstream lineage evidenced on Pypestream's own hosts. update: x-upstream: Derived from PostHog. analytics.pypestream.com/.well-known/security.txt serves PostHog's upstream file, and Pypestream maintains a PostHog fork at github.com/pypestream/posthog. x-pagination: limit/offset with a count/next/previous/results envelope