2026-08-01 - Onlyform API

Initial release of the Onlyform Public API.

Added

Scoped API-key authentication through X-API-Key, including key-owner and effective-scope inspection.
Workspace list, create, retrieve, update, and delete operations.
Form list, create, retrieve, update, and trash operations.
Complete form creation with definition.blocks, definition.settings, and definition.theme.
SINGLE and MULTI form presentation types. CONVERSATIONAL is reserved and currently rejected during creation.
Question and content block APIs for listing, appending, replacing, reordering, and deleting blocks.
ETag and If-Match support for safe concurrent form and block edits.
Cursor-paginated submission reads and permanent submission deletion.
Aggregate form analytics for views, starts, submissions, and completion rate.
Webhook management and redacted delivery history for completed responses.
Cursor pagination, stable structured errors, request IDs, and rate-limit metadata.
OpenAPI 3.1 contract and official JavaScript/TypeScript and PHP SDKs.

This is the first public contract version, so no migration is required.