Postpaid Mobile Bill Payment API
Integrate seamless postpaid bill payment services for all major telecom operators. Offer instant bill payments with fixed commissions on every transaction.
Integrate seamless postpaid bill payment services for all major telecom operators. Offer instant bill payments with fixed commissions on every transaction.
We support postpaid bill payments for all major service providers in India
Comprehensive features designed for bill payment integration
Automatically retrieve customer bills using mobile number
Bank-grade security with end-to-end encryption for all transactions
Earn fixed ₹5-10 commission on every bill payment transaction
Simple REST API with comprehensive documentation and SDKs
Generate and send digital receipts immediately after payment
Dedicated technical support team available round the clock
Comprehensive solutions for postpaid bill management
Automatically identify operator and circle from mobile number without customer input
Access complete payment history and generate detailed reports for accounting
Set up automatic reminders for upcoming bill due dates
Store and manage digital copies of all bills and payment receipts
Comprehensive guide to integrate our postpaid bill payment API
POST https://a1topup.com/api/v1/postpaid/fetch-bill
| Parameter | Type | Required | Description |
|---|---|---|---|
| api_key | String | Yes | Your unique API key |
| mobile | Number | Yes | 10-digit postpaid mobile number |
| operator | String | No | Operator code (auto-detected if not provided) |
{
"api_key": "your_api_key_here",
"mobile": "9876543210"
}{
"status": "success",
"customer_name": "RAJESH KUMAR",
"mobile": "9876543210",
"operator": "AIRTEL",
"due_date": "2024-01-15",
"bill_amount": 549.00,
"outstanding_amount": 549.00,
"bill_date": "2024-01-01"
}POST https://a1topup.com/api/v1/postpaid/pay-bill
| Parameter | Type | Required | Description |
|---|---|---|---|
| api_key | String | Yes | Your unique API key |
| mobile | Number | Yes | 10-digit postpaid mobile number |
| amount | Number | Yes | Bill payment amount |
| operator | String | No | Operator code (auto-detected if not provided) |
{
"api_key": "your_api_key_here",
"mobile": "9876543210",
"amount": 549.00
}{
"status": "success",
"transaction_id": "TXN987654321",
"message": "Bill payment successful",
"amount": 549.00,
"commission": 5.00,
"balance": 8956.50,
"receipt_url": "https://api.a1topup.com/receipt/TXN987654321"
}| Error Code | Message | Description |
|---|---|---|
| 1101 | Bill not found | No bill found for the provided mobile number |
| 1102 | Bill already paid | The bill for this month has already been paid |
| 1103 | Invalid bill amount | Payment amount doesn't match the bill amount |
| 1104 | Bill payment failed | Payment processing failed at operator end |
| 1105 | Bill fetch error | Unable to fetch bill details from operator |
{
"status": "error",
"error_code": "1101",
"message": "Bill not found for the provided mobile number",
"mobile": "9876543210"
}Choose the plan that works best for your business
Sign up today and get your API keys to start integrating postpaid bill payment services.