TaxBridge — Tax Compliance Integration
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🌐 E-commerce⚡ Order-to-invoice⚡ Webhooks

E-commerce Tax Integration

Fiscalise online orders automatically. When an order is confirmed or paid, TaxBridge files the invoice with the right authority and returns a fiscal number and QR — with webhooks for async status.

Webhooks, status tracking and reconciliation included.

POST /api/v1/invoices
curl -X POST https://taxbridge.themetasum.com/api/v1/invoices \
  -H "Authorization: Bearer tbk_test_9f3a21c7b4d6e8f0_..." \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: 0b6d1c4e-7f9a-4a51-8d3c-2e5f7a91b204" \
  -H "X-Tax-Authority: PRA" \
  -d '{
    "invoiceNumber": "INV-10001",
    "invoiceDate": "2026-08-10T10:30:00",
    "invoiceType": "Sale",
    "currency": "PKR",
    "paymentMode": "Cash",
    "customer": { "name": "Walk-in Customer" },
    "items": [{
      "description": "Chicken Karahi Full", "hsCode": "11001010",
      "quantity": 1, "unitPrice": 1500.00,
      "taxRate": 16, "taxAmount": 240.00, "total": 1740.00
    }],
    "subTotal": 1500.00, "tax": 240.00, "total": 1740.00
  }'

How does e-commerce tax integration work?

Your platform sends the order invoice to TaxBridge when an order is confirmed or paid. TaxBridge files it with the correct authority and returns the fiscal result, which you attach to the order and customer email.

TaxBridge / Integrations / E-commerce

Order to fiscal invoice

Order confirmed / paid
Platform calls TaxBridge
TaxBridge validates & routes
Tax Authority
Fiscal number + QR (or webhook)
Order & email updated

For online platforms

🛍

Online stores

Every paid order fiscalised automatically.

📩

Webhooks

Async status without polling.

🔍

Status tracking

Query submission status any time.

Error handling

Normalized errors point at the exact field.

📊

Reconciliation

Logs and quota for clean month-end.

🔄

Idempotency

Safe retries on flaky networks.

FAQ

How does e-commerce tax integration work?
Your platform sends the order invoice to TaxBridge when an order is confirmed or paid. TaxBridge files it with the correct authority and returns the fiscal result, which you attach to the order and customer email.
Are webhooks available?
Yes. Signed webhooks deliver asynchronous status so your platform can update orders without polling.
How do I reconcile?
Every submission is logged with request, response and status, and each response carries quota — so order-level reconciliation is straightforward.

Fiscalise your online orders

Order-to-invoice compliance for every Pakistan authority, from one API.

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No developers? No API? No problem

Don’t want to build an integration at all?

Just register your business with Sum Cloud POS — it already files fiscal invoices to FBR, PRA, SRB and KPRA for you. No API, no development, nothing to connect or maintain. Start selling with compliant invoices out of the box.

Register your business → Explore Sum Cloud POS