💳OpenAI-Style Instant Top-up Gateway (VietQR 24/7)

Billing & Top-up Credits

Top up your account balance in USD ($). Payments are automatically converted to VNĐ with VAT via VietQR (1 USD = 25.500đ). Credits never expire and are billed accurately per character ($0.33 / 10,000 chars).

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Available Balance

$0.00 USD

≈ 0 characters

📜Transaction Logs →

⚡Select Top-up Amount ($ USD)

Enter any custom amount ($10.00min, no upper limit) or click a preset button below.

Top-up Amount in USD ($)

$ USD

Quick Select

Order Summary & Tax Breakdown

Rate: $0.33 / 10k chars

USD Credited

+$10.00

Subtotal (VNĐ)

255.000đ

VAT (10%)

25.500đ

Total Payable

280.500đ

✨ Synthesis Capacity Received:~303,030 characters

🔒Automated 24/7 bank confirmation via Pay2S VietQR. USD balance updates in 3 - 5 seconds.

🏷️Live Pricing Matrix

Current Platform Rate

$0.33 / 10,000 characters ($0.033 / 1k chars)

10,000 characters$0.33 USD

303,030 characters (Min Top-up $10) $10.00 USD

606,061 characters ($20) $20.00 USD

1,515,152 characters ($50 Top-up) $50.00 USD

3,030,303 characters ($100 Top-up) $100.00 USD

Why VOIAPI?

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No Expiration Date

Your purchased balance stays in your account indefinitely until consumed.

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OpenAI API Compatible

Direct drop-in replacement for OpenAI speech endpoint with high-fidelity Qwen voices.

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Voice Cloning Included

Enroll your custom neural voice clone in 15 seconds with studio-grade preservation.