External API changelog
This changelog covers the external API contract, SDKs, compatibility, deprecation, and integration behavior. User-visible changes to the ConnectPlane portal dashboard are published separately in the portal changelog.
October 12, 2026 — Lead intake preview correction
Section titled “October 12, 2026 — Lead intake preview correction”- Corrected the pre-production
createLeadcontract so requests accepted by the public schema are executable by the deployed sales service. Idempotency-Keyis now a required caller-generated UUID and must be reused when retrying the same submission. Reusing it with different data returns409 conflict.- Removed caller-controlled tenant identity and required the eligibility and storefront facts used to create the lead.
This corrected the pre-production v1 preview baseline. No production API version was withdrawn.
October 11, 2026 — Public API v1 preview
Section titled “October 11, 2026 — Public API v1 preview”- Published the curated commerce, checkout, order, and lead contract.
- Added generated Go and TypeScript clients.
- Added public authentication, versioning, error, and agent-integration guides.
- No existing public operations were deprecated or removed.
The Markdown API changelog remains available for tools and compatibility consumers.