Changelog

API versions are dates. A key uses the version current when it was created; pin one per request with Light-AI-Version. Breaking changes only ship in a new version; additive changes (new fields, endpoints, event types) can appear at any time, so ignore fields you do not know.

2026-11-01#

First public version.

• Leads, clients, projects, quotes, catalog, events and webhook endpoints.
• Inbound sources (header and URL mode, capture and map) and the native Google Ads lead form receiver.
• Signed webhooks (Standard Webhooks) with retries, delivery logs and replay.
• Partner accounts with connect links and grants.
• Mockup generation with Light AI Gen 3.0, charged in credits like the app.
• Website request forms (/v1/forms, forms:read, opt-in forms:write), the lead's form, form_answers, mockup_status, preview_looks and assets (each preview with its look), GET /v1/leads?form_id= and the lead.mockup_ready event.
• The quote.change_requested event: a homeowner used Request a change on a quote link (data.change_request holds their message).
• Test mode with homeowner simulation.
• An MCP server at https://api.light-ai.app/mcp: the API's operations as tools for Claude, ChatGPT, Cursor and n8n AI agents.