Virtual account
Each Sandbox account receives a unique virtual bank account for adding funds. Top up your wallet using any of these payment methods:- UPI - Instant transfers using UPI apps
- IMPS - Immediate Payment Service for real-time transfers
- NEFT - National Electronic Funds Transfer
- RTGS - Real Time Gross Settlement for larger amounts
Understanding wallet balance
Your Sandbox Wallet displays two balance indicators to provide accurate fund availability.Effective balance
The Console prominently shows the effective balance. It displays the actual spendable amount after accounting for pending deductions:The spendable balance after deducting unbilled charges. This is the primary balance shown in your Console and represents funds available for immediate use.
Closing balance
The closing balance represents total actual funds in your wallet’s virtual bank account, similar to a traditional bank statement closing balance.The total funds in your wallet before deducting unbilled charges. View your closing balance in the wallet statement.
Wallet charges
Certain APIs incur additional per-call charges deducted from your wallet. These charges are separate from your subscription fee and cover:- Upstream vendor fees (Banks, GSPs, Account Aggregators, TIN FCs)
- Licensing and IP-related charges
- Credit, email, or SMS service charges
You need an active subscription to access Sandbox APIs. Wallet charges are in addition to subscription fees.
APIs with wallet charges
The following APIs incur per-call wallet charges on successful requests:| Product | Category | API |
|---|---|---|
| KYC | Compliance | DigiLocker API / DigiLocker SDK |
| KYC | Compliance | PAN Verification |
| KYC | Compliance | Bank Verification |
| GST | Compliance | Search GSTIN with PAN and State Code |
| GST | Analytics | GSTR-2B Reconciliation with Purchase Ledger |
| TDS | Reporting | Prepare TDS Return |
| TDS | Reporting | Prepare TCS Return |
| TDS | Compliance | Section 206AB & 206CCA Check |
| TDS | Compliance | e-File TDS Return |
| TDS | Compliance | Download TDS Certificate |
| TDS | Analytics | Potential Notices |