The API for construction notices & waivers

Generate compliant preliminary notices, conditional/unconditional waivers, and keep payment workflows audit-ready. Built for developers and construction tech teams who need reliable automation.

Get API access See how it works

Jurisdiction-aware workflows

Webhooks for status updates

Security & audit trails

Developer-ready Coming soon

Generate a notice from your app

curl -X POST https://api.prelienpro.com/v1/notices/generate \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "state": "CA",
    "projectName": "Example Build",
    "noticeType": "NTO"
  }'

Simple request, predictable output.

Built to reduce legal & engineering risk

Compliance logic is hard to maintain—especially across changing lien laws and project timelines. Prelien Pro standardizes notice/waiver generation and tracking so teams can integrate once and scale.

Notice generation

Preliminary notices (including NTO/related workflows) with consistent, structured results.

Waivers that match the deal

Conditional vs. unconditional handling with reliable metadata for downstream systems.

Compliance tracking

Milestones, status, and document lifecycle tracking designed for audit-ready reporting.

Webhooks & audit trails

Receive updates when signatures are completed and store a verifiable event history.

Request early API access

Tell us what you’re building. We’ll follow up with sandbox access, API docs, and an integration plan.