PASAR API

🌐 FreshBooks Accounting API ~ invoicing, expenses & accounting

← directory
FreshBooksAccounting & ERPtier: commercialauth: OAuthpricing: freemiumverified 2026-06-29

OAuth2 REST API for invoices, expenses, clients, payments and accounting for small-business/freelancer books. Global, works for MY.

View docs ↗ More Accounting & ERP APIs

Get started

# FreshBooks Accounting API ~ invoicing, expenses & accounting needs OAuth credentials ~ get yours at:
# https://www.freshbooks.com/api/start
curl 'https://api.freshbooks.com' \
  -H 'Authorization: Bearer YOUR_TOKEN'

AI prompt

I'm integrating a Malaysian API into my app.

API: FreshBooks Accounting API ~ invoicing, expenses & accounting
Provider: FreshBooks
Auth: requires OAuth credentials (sign up: https://www.freshbooks.com/api/start)
Pricing: freemium
Base URL: https://api.freshbooks.com

Help me set up authentication and make my first successful request ~ explain exactly where the credentials go.

Related Accounting & ERP APIs

AutoCount Cloud Accounting API ~ MY cloud accounting integrationSQL Account RESTful API ~ live link to SQL accountingXero Accounting API ~ invoices, contacts, ledgerQuickBooks Online Accounting API ~ accounting & invoicingZoho Books API ~ online accounting, invoices, billsWave Accounting GraphQL API ~ invoicing & small-business accountingSage Accounting API ~ cloud bookkeeping, invoices & ledgerOdoo External API ~ open-source ERP & accounting (XML-RPC/JSON-RPC)Microsoft Dynamics 365 Business Central API ~ ERP, finance & operationsFinancio Developer API ~ SEA cloud accounting & e-invoicing