Number Screening System: USDT Top-Up + Pay-Per-Use – Flexible and Controllable Customer Acquisition Costs for Going Global

Telegram group growth, WhatsApp marketing, independent site promotion – all rely on number screening. In the past, traditional screening tools either charged subscription packages or required fiat currency top-ups, which came with high barriers and inflexible costs, especially for small and medium-sized overseas teams, making cost control very difficult.

Today, more and more number screening systems are starting to support USDT top-ups and adopt a pay-per-use billing model. The advantages are clear: pay only for what you use, balance never expires, and no fixed subscription fees. This article takes KK-DATA as an example to break down the operating logic of USDT top-up + pay-per-use, helping you achieve cost control and efficiency improvement when preparing data for customer acquisition.

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What is the USDT Top-Up Mode for Number Screening Systems?

USDT (Tether) is a stablecoin where 1 USDT ≈ 1 USD. A pay-per-use screening system allows users to top up their platform balance using USDT (via the TRC20 network), and then deduct the corresponding balance for each number checked (e.g., checking whether a number has a Telegram account or is active).

Compared with traditional fiat currency top-ups like credit cards or PayPal, USDT top-ups offer three major advantages:

• Anonymity: No need to provide bank information or fiat currency accounts; just an on-chain transfer.
• Cross-border convenience: Overseas teams may be spread across multiple countries. USDT transfers are unified, unaffected by exchange rate fluctuations (though pegged to USD) and national borders.
• Transparent costs: The top-up amount is directly converted into balance with no extra fees (only the on-chain gas fee is borne by the user).

Note: Only USDT transfers on the TRC20 network are supported. Transfers on other networks (such as ERC20, BEP20) will not be credited. — You can use <Callout type="warning"> to restate this.

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How Does Pay-Per-Use Work? Why Is It Suitable for Overseas Teams?

The core logic of pay-per-use is no subscription plans, billing based on the number of checks per task. You don’t need to pay a fixed monthly fee, nor waste budget during off months.

Estimated Task Cost and Deduction Timing

When you create a screening task, the system automatically calculates the estimated cost based on the platform you choose (Telegram / WhatsApp / iMessage / RCS, etc.) and the check type (account check / validity check / activity check / gender identification):

• Formula: Estimated cost = number of checks × corresponding unit price
• The cost is clearly displayed before task submission. Your balance is deducted only after you confirm.
• After the task is completed, the system deducts the actual cost from your account balance (consistent with the estimate unless the task is cancelled midway or the number count changes).

Handling Insufficient Balance Scenarios

• Insufficient balance → New tasks cannot be submitted.
• You can top up via USDT at any time (balance arrives within minutes).
• Tasks already submitted are not affected by balance; they will continue to execute and deduct after completion (if the balance becomes negative during task execution? Generally, the platform allows the task to finish, but you cannot submit new tasks until you top up).

How the Data Deduplication Warehouse Saves Your Balance

KK-DATA has a built-in data deduplication warehouse that automatically checks whether numbers in a task have already been checked (for the same platform and check type). If duplicates are found, the platform skips those numbers and does not charge for them.

For example: You first check 10,000 numbers for Telegram status. After completion, these records are stored in the deduplication warehouse. Next time, you upload another number list that contains 2,000 duplicates from the first batch. The second task will only charge for the 8,000 new numbers, skipping the 2,000 duplicates automatically. This saves costs cumulatively across tasks, especially useful for periodic cleaning of old data.

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How to Top Up the Screening System with USDT?

Below is a demonstration of the complete top-up process using the KK-DATA console as an example.

Step 1: Go to the Top-Up Page in the Console

Log in to https://app.kkdata.cc/ → Find the “Top-Up” module in the left menu or top navigation.

Step 2: Copy the Top-Up Address and Transfer

• The system displays a USDT (TRC20) top-up address.
• Copy the address to your wallet (e.g., OKX, Binance, imToken, etc.).
• Select Network: TRC20, enter the copied address and amount (minimum about 50 USDT).
• Confirm the transfer.

Step 3: Confirm Receipt and Balance Update

After transfer, the balance usually updates automatically within a few minutes (depending on on-chain confirmations). You can return to the console to check whether the balance has increased. If it hasn’t arrived after more than 30 minutes, please contact customer service at https://t.me/kkdata_robot and provide the TXID.

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Balance Management: How to Avoid Task Submission Failure?

As long as your balance is sufficient, you can initiate screening tasks at any time. The following three habits can help you reduce the embarrassment of “insufficient balance”:

1. Check balance regularly: The balance is clearly displayed on the console homepage or top-up page.
2. Set a top-up threshold: Based on your task frequency, estimate your daily consumption. Once the balance falls below a safe value (e.g., 100 USDT), top up in advance.
3. Enable task notifications: In the console settings, you can bind your Telegram account. When a screening task is completed, the system will notify you via Telegram and also remind you of balance changes. This way, you can stay informed about your account status even when you’re away from your computer.

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USDT Top-Up + Pay-Per-Use vs. Traditional Subscription Plans

Comparison Dimension	USDT Top-Up + Pay-Per-Use	Traditional Subscription (Monthly/Quarterly/Yearly)
Payment Method	Top up balance first, deduct per task	Prepay fixed amount for a period
Flexibility	Pay only for what you use; no waste in off-season	Charges regardless of usage
Minimum Threshold	Minimum top-up ~50 USDT, no fixed subscription fee	Usually has a minimum plan amount (e.g., $99/month)
Balance Validity	Long-term, never expires	Plan expires; unused quota is lost
Suitable Teams	Small/medium teams, project-based, fluctuating demand	Large teams with stable, high-frequency usage
Cross-border Payment	Supports USDT, no currency conversion	Requires fiat payment, may have credit card restrictions

• One sentence summary: If your number checking needs are unstable or you want complete control over your budget, pay-per-use is the more suitable choice.

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Which Scenarios Are Best Suited for This Billing Model?

• Batch validation of number validity: For example, you collected 500,000 leads from websites, communities, or forms. You need to first filter out numbers that have active Telegram or WhatsApp before the next marketing step. Pay-per-use means you only pay for the actual number of checks.
• Periodic cleaning of old data: Old numbers may have become invalid or inactive. Cleaning once every 1–2 months saves costs because duplicate numbers are automatically skipped by the deduplication warehouse.
• Seasonal marketing campaigns: Large-scale screening right before promotions like Singles’ Day or Black Friday. No need to buy an annual plan in advance; just top up before the campaign, and the balance remains afterward.
• Multiple client projects for agency studios: Each client’s project can be topped up independently, with balances managed separately, making cost accounting clear.

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Usage Recommendations: How Much to Top Up Initially? How to Control Budget?

For first-time use, we recommend topping up the minimum amount (about 50 USDT) for a small-scale test. Choose a platform and check type, for example, checking 1,000 numbers for whether they have a Telegram account. Observe the actual cost, then estimate your daily total needs.

Specific steps:

1. Check the unit price for the corresponding platform in the console (see the official billing page or prompts in the console).
2. Estimate your monthly consumption: Expected number of checks × unit price = monthly cost (USDT).
3. Decide on a top-up amount based on the monthly cost. Usually, a top-up equivalent to 2–3 months of estimated consumption is recommended to reduce transfer frequency.
4. Use the data deduplication warehouse feature to merge and deduplicate number lists that are reused multiple times, reducing duplicate charges.

Important: Do not top up too many USDT at once. Although the balance has no expiration date and is non-refundable, USDT itself is a stablecoin, meaning you are essentially depositing USD value. It is recommended to first test the process with a small amount, confirm that everything works, and then add more.

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Summary

The number screening system’s USDT top-up + pay-per-use model allows overseas teams to start number screening with a very low barrier while maintaining high cost flexibility. No monthly fees, no annual fees – just transparent pay-per-use billing. Combined with the data deduplication warehouse that automatically saves on duplicate charges, the overall usage cost can be further reduced.

Whether you are a solo independent site seller or an agency studio managing multiple client projects, this billing model lets you put your budget where it counts.

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Frequently Asked Questions

Q: What is the minimum top-up amount for USDT? How many USDT do I need to deposit at least?
A: Currently, the minimum top-up amount is about 50 USDT. Please refer to the console page for the exact amount. The balance will be updated in real time after top-up.

Q: Where can I see the unit price for pay-per-use? Are the prices the same for different platforms?
A: Unit prices vary by platform (Telegram, WhatsApp, iMessage, RCS, etc.) and check type (account/validity/activity/gender identification). Please log in to the console or visit the official billing page (https://kkdata.cc/billing/) for real-time pricing.

Q: Does the balance expire after top-up? Can I get a refund?
A: The balance has no expiration date and can be used long-term. However, top-ups are non-refundable. It is recommended to test with a small amount first before adding more.

Q: How much can the data deduplication warehouse save me?
A: The deduplication warehouse automatically checks numbers already recorded in previous tasks, skips duplicates, and thus saves the cost of the corresponding checks. The savings depend on the duplication ratio. We recommend organizing your number lists regularly and utilizing the deduplication feature.

Q: I only have USDT but no exchange account. How can I top up?
A: You can use any wallet that supports USDT-TRC20 transfers (such as imToken, TP Wallet, or internal transfers within the Binance app) to send USDT to the platform address. The minimum top-up is about 50 USDT. The on-chain gas fee is borne by you.

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👉 Log in to the console now at app.kkdata.cc to start screening
If you have any questions, you can contact customer service at t.me/kkdata_robot
You can also check the documentation at docs.kkdata.cc for more feature details.