BizSolo Developer Platform

Build finance workflows without rebuilding the books.

Connect accounts, transactions, contacts, bills, quotes, invoices, and financial reports through a company-scoped API designed for small-business software.

Start building Explore the API

Create a transaction

curl https://app.bizsolo.biz/api/v1/transactions \
  -H "Authorization: Bearer $BIZSOLO_API_KEY" \
  -H "Idempotency-Key: txn-import-001" \
  -H "Content-Type: application/json" \
  -d '{ ... }'

Stable REST contracts

Versioned /api/v1 resources with predictable envelopes and RFC 9457 errors.

Workspace isolation

Each credential belongs to one BizSolo workspace and carries explicit scopes.

Safe mutations

Create requests use 24-hour idempotency keys and immutable audit events.