M
API Matrix

Billplz API

Finance / API Key Intermediate HTTPS
Varies by plan (check documentation)
72 Score
Grade B
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Overview

Billplz is a payment platform API focused on the Malaysian market that lets you create bills and collect payments online. You can generate a payment bill with a few API calls and share the link with your customers to pay. It is beginner-friendly because the sandbox environment is easy to set up and the documentation is straightforward.

💡

Beginner Tip

Start in the sandbox environment before going live — Billplz provides a separate sandbox API key so you can test payment flows without real money. Use the callback URL feature to receive payment notifications automatically.

Available Data

Use case: Integrate payment platform data into web and mobile applications
Billplz data via REST API
JSON-formatted response data
Requires API key authentication

Example Response

JSON Response 
{
  "status": "success",
  "data": {
    "result": "Data from Billplz",
    "description": "Payment platform",
    "timestamp": "2025-01-15T10:00:00Z"
  }
}

Field Reference

id Unique bill ID assigned by Billplz, used for lookups and status checks.
collection_id The collection this bill belongs to, used to group related payments.
paid Whether the bill has been paid by the customer.
url The payment page URL to redirect your customer to so they can complete the payment.
amount The bill amount in the smallest currency unit (cents), e.g., 1000 = MYR 10.00.

Implementation Example 

// ⚠️ Note: This URL may be a documentation page. Check official docs for actual API endpoint.
const url = "https://www.billplz.com/api";
// Replace headers or query params with the values required by this API.
const response = await fetch(url, {
  headers: {
  "X-API-Key": "YOUR_API_KEY"
  }
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data);

What Can You Build?

Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.

Common Errors & Troubleshooting

401 Unauthorized API key is missing or using the wrong key for the environment (sandbox vs production).
✓ Use your sandbox API key with the sandbox URL (billplz-sandbox.com) and your production key with the live URL (billplz.com).
422 Unprocessable Entity A required field like collection_id, email, or amount is missing or invalid.
✓ Ensure all required fields are present; amount must be in cents (e.g., 1000 = MYR 10.00) and email must be a valid address.
Bill not paid after redirect The callback/redirect URL was not configured, so your app did not receive payment confirmation.
✓ Set the callback_url parameter when creating the bill to receive a POST notification when payment is completed.

Matrix Score Breakdown

🌐 Reachability 30/30
⚡ Speed 5/20
🔒 Security 15/15
🛠 Developer XP 12/20
✓ Reliability 10/15

Partially tested on Apr 5, 2026

Technical Specifications

Auth API Key
HTTPS REQUIRED
CORS UNKNOWN
Category Finance
Difficulty Intermediate
Verified: 2026-04-04

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