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Core 137 documentation.

Everything you need to bid, build and bill on Core 137 — plus the API surface for what you write yourself.

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Getting started

Create a workspace, invite your crew and import your cost book.

Estimate

Takeoffs, assemblies and the live materials + labor cost database.

Proposals

AI proposals, branding, templates and e-sign.

Field & Schedule

Daily logs, punch lists, photos and the crew calendar.

Money

Invoices, draws, retainage, change orders and AR.

API & integrations

REST, webhooks and QuickBooks / Stripe / e-sign.

Quickstart

A workspace in three lines.

# Install the Core 137 SDK.
npm i @core137/sdk
# Authenticate with a workspace token.
export CORE_TOKEN=$(core137 auth print-token)
# Verify the connection.
core137 whoami
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Popular

Most-read pages.

  • Run your first takeoffdoc
  • Import your cost bookdoc
  • Generate a proposal from an estimatedoc
  • Set up SAML SSOdoc
  • Connect QuickBooksdoc
  • Create a change orderdoc

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