Developer Documentation

API references, webhooks, SDKs, and integration guides.

REST API

OpenAPI spec, authentication, rate limits.

Webhooks

Real-time events for invoices, payments, transactions.

SDKs

Official libraries for Node.js, Python, Go, Ruby.

Integration guides

Shopify, WooCommerce, Zapier, custom.

Quick start — create an invoice

curl -X POST https://api.tinsuite.com/v1/invoices \
  -H "Authorization: Bearer $TINSUITE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "customerId": "cust_abc",
    "date": "2026-04-24",
    "dueDate": "2026-05-24",
    "lineItems": [
      { "description": "Consulting", "quantity": 10, "unitPrice": 100 }
    ]
  }'

Full docs: API reference · Changelog · GitHub