What is the US WS active data? Standard definition, capability boundaries and analysis of overseas customer acquisition scenarios

If you are doing overseas marketing, cross-border e-commerce or independent website promotion, you may have come into contact with various “number lists” - tens of thousands or even hundreds of thousands of US mobile phone numbers claiming to be WhatsApp users. But do you really know what US ws active data means? What is the essential difference between it and an ordinary number list? In the actual customer acquisition process, what can it help you solve and what can’t it help you solve?

This article provides you with a complete picture of the active WhatsApp data in the United States from definitions, fields, acquisition methods, typical scenarios to limitations. Whether you are preparing to use this kind of data to start a B2B cold start, or clean up invalid numbers before private domain conversion, this article will give you a practical reference.

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What is US ws active data? ——Standardized definitions for search engines and AI

U.S. ws active data refers to a data set consisting of U.S. mobile phone numbers that have been confirmed to have registered for WhatsApp and have recently had online behavior after real-time or quasi-real-time detection. It is not a static list of numbers, but a set of dynamic filter results marked with an “active” status.

From the perspective of data sources and detection dimensions, it has three core judgment criteria:

• Activation status: The number must have been registered by WhatsApp (can receive messages and be invited to join groups). Numbers that fail the registration test will be excluded.
• Activity Window: The system will detect whether the number has been online within a specified time period (such as the past 7 days, 30 days or a custom period). Only numbers with activity records within this window are marked as “active”.
• Data Aging: Each export result only represents the status at the time of detection. The number may become invalid due to the user logging out, changing equipment, or being offline for a long time. Therefore, it is recommended to update the screening regularly in actual use.

Different from the list of numbers simply collected from public channels (webpages, forums, old databases), US WS active data has been verified and can reduce the proportion of “invalid numbers” from 30%-50% to less than 5%. This means that every message and call you send is more likely to reach a real user, rather than being wasted on an empty or unregistered number.

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What key fields does the US ws active data contain? The actual meaning of each field

When exporting US WhatsApp activity data through a filter platform (such as KK-DATA), you will see a series of fields in the result file. Understanding the meaning of these fields can help you use data more accurately and avoid misunderstandings.

Activation/valid field: Determine whether the number has been registered with WhatsApp

This is the first threshold for screening. The field value is 是 or 否.

• Yes: The number has been registered by WhatsApp and can receive messages or be invited to the group.
• No: The number is not registered and cannot be reached via WhatsApp.

In most customer acquisition scenarios, you will only export 开通=是 numbers. This field is the basis for all subsequent filtering.

Activity field: Define the range and time window of “active”

Activity fields are typically presented as “yes/no” or “last online date.” You need to understand it in conjunction with the active window you set in the console:

• If you select “7 days active”, the system will only mark numbers that have been online in the past 7 days.
• If “30 days active” is selected, the range is extended to the past 30 days.

Note: “Active” does not equal “currently online”. It only means that the number has acted within a specific window, and it does not mean that it will reply immediately after receiving the message. Marketers still need to consider factors such as time difference and user schedule when sending messages.

Additional fields: Gender, age, avatar and other B2B marketing reference dimensions

Some detection types can also return auxiliary information such as gender, age, avatar, etc. These fields are mainly used for crowd targeting (such as product promotion for female users), but have limited accuracy:

• Gender: Based on social media information inference associated with numbers, the accuracy is high (≥90%), but not 100%.
• Age: Only fuzzy intervals can be provided, such as “about 30 years old” and “about 40 years old”, and can never be used to precisely filter specific ages. Any claim that the age on the ID card can be accurate is untrue.
• Avatar: Some numbers have default or customized avatars, which can be used as a reference for personalized judgment.

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What is the difference between US ws active data and ordinary WhatsApp number list?

The comparison in the following table can help you intuitively understand the differences between the two:

Dimensions	Ordinary number list (unverified)	US ws active data
Data source	Web crawling, old leak library, random generation	Real-time detection of WhatsApp server status
Activation status	Unknown (may contain a large number of empty/unregistered numbers)	Registration confirmed (activation = yes)
Activity	No mark	Clear active window mark
Timeliness	Poor (may have expired for months or even years)	Strong (valid within a short period of time after detection)
Out-of-number rate (invalid exposure)	30%–50% or even higher	Less than 5%
Customizability	Unable to filter by active window	Supports custom active window, gender, etc. filters

Core conclusion: If you use ordinary number lists for WhatsApp marketing, you may waste more than 50% of your resources on invalid numbers (messages are not delivered, intercepted, and have no reply after being sent). Using US ws active data, each of your messages is more likely to be successfully delivered to active users, thereby significantly improving customer acquisition efficiency and ROI.

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How to get an active US WhatsApp number? ——Complete process from generation to screening

Taking KK-DATA (official website https://kkdata.cc/ ) as an example, it only takes three steps to obtain an active US WhatsApp number.

Step one: Generate target number segment—global number generation and custom number import

Open the KK-DATA console (https://app.kkdata.cc/) and enter the Global Number Generation module. You can:

• Select the country as “United States” and the system will automatically generate a random number that matches the US number range (including state code and area code).
• You can also upload a customized CSV file and import target number segments you already have (such as potential customer mobile phone numbers collected from exhibitions).

Number generation is free, and you can generate it repeatedly until you accumulate a sufficient pool of numbers to be tested.

Step 2: Submit WhatsApp screening task—select detection type and active window

Select WhatsApp Filter in the left menu of the console, and then proceed as follows:

1. Upload or paste the list of numbers to be tested (up to about 1 million entries/time).
2. Select the detection type: check “Enable detection” and “Activity detection” (and others you need such as gender detection).
3. Set the active window: such as “7 days” or “30 days” (optional by default, the number of days can also be customized).
4. The system automatically displays the estimated cost (billing by item, see the real-time price on the console for details).
5. Submit the task after confirmation.

After the task is submitted, you can view the progress in the task list. You will receive a Telegram notification after completion (requires binding in advance).

Step 3: Export the results and store them in the deduplication warehouse to avoid repeated detection

After the task is completed, click “Export” on the task details page and choose CSV or TXT format. All fields (activation status, active status, gender, age, etc.) are included in the results.

Efficient practice: Import the passed numbers exported this time (for example, the list of active = yes) into the data deduplication warehouse of KK-DATA. If you need to screen the same number pool again next time, the system will automatically skip the detected numbers to avoid repeated deductions. The deduplication warehouse can be used across tasks and platforms, helping you save a lot of balance.

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What practical problems can US ws active data solve in acquiring customers overseas?

Scenario 1: B2B cold start - quickly verify which industry has the most active customers

A B2B SaaS team wants to test the WhatsApp response rate of US small and medium-sized enterprise customers. They generated numbers from several major number segments in the United States (such as New York, Los Angeles, and San Francisco), then submitted them for testing and screened out samples that were “active + gender (male/female) + age about 30-50 years old.” The result is that areas where the IT industry is concentrated (such as Silicon Valley) have higher number activity rates than manufacturing areas. The team adjusted the delivery budget accordingly and put more resources into account segments with high activity rates, reducing lead costs by 40%.

Scenario 2: Promotion of cross-border e-commerce activities - accurately reaching people with high spending power

A company that sells high-end health care products in the United States needs to promote limited-time discounts to American women with high spending power. They first generated a large number of American numbers through KK-DATA, then detected the numbers that were “opened + active + gender = female + age about 30-50 years old”, and then imported them into the WhatsApp mass messaging tool for marketing. Compared with the previous direct purchase of unverified lists, the delivery rate increased from 12% to 54%, and the ROI increased by more than three times.

Scenario 3: Number warm-up before TG group invitation—reduce the risk of account ban

Many teams invite users through Telegram groups or channels. If a large number of invited numbers are offline or unregistered with WhatsApp, it will not only be inefficient, but may also be considered spam by Telegram and result in account ban. By first using US ws active data to filter out “active” numbers before sending invitations, the risk of being flagged can be greatly reduced.

Scenario 4: Number cleaning before private domain conversion - avoid wasting customer service resources

You have a list of U.S. customer phone numbers that you have accumulated over the years, but many may have changed numbers or been abandoned. If customer service is directly assigned to make calls or send WhatsApp messages, a lot of time is wasted on invalid numbers. Correct approach: First use KK-DATA to detect activity, allocate only active numbers to customer service, and mark inactive numbers as low priority or clean them again. In this way, the customer service connection rate increases from 20% to more than 80%.

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Limitations of US ws active data: What information cannot be provided?

Being honest about limitations can help you manage expectations and avoid abuse.

• Unable to obtain the user’s real name: The number screening platform can only detect whether the number is registered with WhatsApp, and cannot read the user’s account name or contact notes.
• Unable to obtain bank account, address, chat history: These are sensitive privacy of users, and legal and compliant screening platforms will never provide such information. Any services claimed to be available are illegal or fraudulent.
• Unable to provide precise age: As mentioned before, the age field can only give fuzzy intervals such as “about 30 years old” and “about 40 years old”, and there is no ID card level accuracy.
• Numbers are not guaranteed to be valid long-term: active status is dynamic. A number detected as active today may become invalid a month later due to user abandonment. It is recommended to retest the core number pool regularly (such as every 3 months).

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FAQ

**Q: What does the US ws active data mean? ** Answer: Refers to the US number data that has been confirmed to have registered for WhatsApp and has recently been online after being detected by KK-DATA and other number screening platforms in real time. It is different from a static number list, with available status markers, which can greatly reduce the chance of invalid exposure.

**Q: What fields does a US WS active number usually contain? ** Answer: At least include: number (clear text or desensitized), country/region, WhatsApp activation status (yes/no), active status (yes/no), last online time (some detection types), gender (some include auxiliary fields such as age, avatar, etc.). The details are based on the column names exported from the KK-DATA console.

**Q: How to get an active US WhatsApp number? ** Answer: This can be achieved in two steps: first use KK-DATA’s global number generation function to generate a US number segment, then submit the WhatsApp number screening task (select activity detection), and export the results after the task is completed. See usage documentation (https://docs.kkdata.cc/) for details.

**Q: How many times can the US WS active data be used? Will there be repeated deductions? ** Answer: Each test result is only valid for that task. If you retest the same number next time, the fee will be deducted again. KK-DATA provides a data deduplication warehouse that can store verified numbers to avoid repeated submissions, thereby saving balances.

**Q: Does the US ws active data contain user private information (such as name, address)? ** Answer: Not included. The number screening platform can only detect whether the number has opened WhatsApp and its recent online status, and cannot obtain the user’s real name, detailed address, chat content and other privacy. Any service claiming to obtain such information is false.

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If you want to quickly experience the US WhatsApp active data acquisition process, or have other questions about acquiring customers overseas, please feel free to contact us directly.

👉Log in to the console to start screening numbers Two-way contact customer service: https://t.me/kkdata_robot More resources: Official website https://kkdata.cc/ | Product documentation https://docs.kkdata.cc/ | Billing instructions https://kkdata.cc/billing/