{"schema_version":1,"api":"TradePolaris Data API","current_contract_version":"1.0.0-beta.1","contract_status":"beta","canonical_url":"https://tradepolaris.com/data-api/changelog.json","human_url":"https://tradepolaris.com/data-api/changelog","markdown_url":"https://tradepolaris.com/data-api/changelog.md","change_categories":{"additive":"A new optional field, parameter, operation, media type, or other backwards-compatible capability.","clarification":"Documentation or examples become more precise without changing request or response behavior.","deprecated":"An existing operation or field remains available but gains explicit replacement and announcement metadata.","breaking":"A removal, rename, new requirement, narrowed input, or incompatible response change that requires a new contract version."},"entries":[{"version":"1.0.0-beta.1","publishedAt":"2026-08-21","status":"beta","category":"additive","title":"Initial versioned public contract","summary":"Published the reviewed five-operation read-only contract with one explicit beta version and lifecycle metadata.","changes":["Pinned catalog, preview, schema, structured query, and versioned export as the complete public operation inventory.","Published consistent HTML, Markdown, OpenAPI 3.1, and machine-readable contract discovery paths.","Defined additive, clarification, deprecated, and breaking change categories without marking any current operation deprecated."],"contractSha256":"77eba320e8e2eb1676f3b244ac596bd08bedcbb99adf1389353bc15264a1500b","previousContractSha256":null}]}