Knowify Construction Management API
Knowify construction management REST API for trade contractor job costing, project management, and field operations. Enables AI agents to manage job costing and budget tracking for construction project financial management, handle subcontractor and crew scheduling for field operations coordination, access change order management and approval workflows for contract modification automation, retrieve invoicing and payment tracking for contractor cash flow management, manage materials purchasing and purchase order tracking for construction procurement, handle time tracking and labor cost allocation for project labor management, access project progress reporting and milestone tracking for construction status automation, retrieve customer communication and proposal management for sales operations, manage job profitability analysis and variance reporting for construction business intelligence, and integrate Knowify with QuickBooks, Xero, and payroll systems for accounting workflow automation.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Construction management. SOC2. API key/OAuth2. US. Job cost and project data.
⚡ Reliability
Best When
An electrical, plumbing, HVAC, or specialty trade contractor wanting AI agents to automate job costing, crew scheduling, change order management, invoicing, and QuickBooks/Xero accounting integration.
Avoid When
STATE CONTRACTOR LICENSE COMPLIANCE: Automated proposal and contract generation must verify contractor license status in each work jurisdiction; automated work in unlicensed states or counties creates contractor license law violation. Lien waiver management — automated payment processing for construction subcontractors must include conditional/unconditional lien waiver exchange; automated payment without lien waiver creates mechanics lien exposure on project properties. Prevailing wage projects — automated job costing and time tracking for public works projects must apply correct Davis-Bacon or state prevailing wage rates; automated payroll with incorrect prevailing wage rates creates DOL audit and back-pay liability. Change order approval workflow — automated change order execution without owner approval creates contract dispute; implement approval gate before automated change order cost commitment.
Use Cases
- • Tracking job costs from construction financial agents
- • Scheduling crews from field operations agents
- • Managing change orders from contract management agents
- • Processing invoices from contractor billing agents
Not For
- • General contractors without subcontractor or trade focus
- • Large general contractors requiring enterprise construction ERP
- • Non-construction service businesses without job costing
Interface
Authentication
Knowify uses API key and OAuth 2.0. REST API with JSON. New York, New York HQ. Founded 2012. Private (venture-backed). Trade contractor job costing and project management. Focused on electrical, plumbing, HVAC, and specialty contractors. QuickBooks and Xero integration. Competes with ServiceTitan, Housecall Pro, and Contractor Foreman for trade contractor management.
Pricing
New York. Founded 2012. Private. Trade contractor focus. QuickBooks/Xero integration. Competes with ServiceTitan for trade contractors.
Agent Metadata
Known Gotchas
- ⚠ CONTRACTOR LICENSE VERIFICATION: Automated proposal and work order generation must verify contractor license status in each work jurisdiction; automated work commencement in unlicensed jurisdiction creates state contractor license law violation and contract unenforceability
- ⚠ Mechanics lien waiver workflow — automated subcontractor payment must include conditional lien waiver exchange; automated payment without lien waiver exchange creates mechanics lien cloud on project property
- ⚠ Prevailing wage rate accuracy — automated time tracking for public works must apply correct Davis-Bacon or state prevailing wage rates by trade classification; incorrect wage rates create DOL back-pay liability
- ⚠ Change order authorization gate — automated change order cost commitment must require owner authorization before execution; automated change order without approval creates contract dispute and unpaid change order risk
- ⚠ QuickBooks sync conflict — automated Knowify-to-QuickBooks sync may create duplicate transactions if both systems accept entries; implement one-way sync discipline with clear system-of-record designation
- ⚠ Job cost variance triggers — automated job cost tracking must alert when variance thresholds are exceeded; automated workflows that silently absorb cost overruns create project profitability erosion
Alternatives
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Scores are editorial opinions as of 2026-03-07.