Real-time access to verified financial data — transactions, P&L, cash flow, and health scores — for every company on CloseBooks.
Early access
CloseBooks API is in early access. We don't list integration partners as customers until those relationships are public. See the docs for available endpoints today.
Developer Experience
Clean endpoints, predictable responses, comprehensive documentation.
curl -X GET https://api.closebooks.io/v1/companies/cmp_4xT9mK2p/financials \
-H "Authorization: Bearer sk_live_4xT9ABCDEFGHJKLMNmK2p" \
-H "Content-Type: application/json"{
"company_id": "cmp_4xT9mK2p",
"period": "2026-03",
"revenue": 284500.00,
"cost_of_goods_sold": 91200.00,
"gross_profit": 193300.00,
"gross_margin": 0.679,
"operating_expenses": 87400.00,
"ebitda": 105900.00,
"ebitda_margin": 0.372,
"net_income": 98200.00,
"cash_on_hand": 412800.00,
"accounts_receivable": 67300.00,
"accounts_payable": 22100.00,
"close_status": "completed",
"as_of": "2026-03-31T23:59:59Z"
}Use Cases
Pull real-time P&L, cash flow, and health scores to make faster credit decisions without requesting documents.
Sync corporate card spend directly into the accounting layer with AI-powered categorization.
Push payroll journal entries automatically when runs complete — zero manual data entry.
Access categorized transactions and financials to pre-populate tax returns and reduce prep time.
Build live dashboards and investor portals backed by always-current bookkeeping data.
Trigger automations on close events, exceptions, and document uploads via webhooks.
Pricing
Start with a trial, then scale API access when your firm is ready.
Growth
10,000 calls/day
Enterprise
Unlimited
Generate your API key, read the docs, and make your first call before your coffee gets cold.