Detailed explanation of US WS number screening results: Practical guide for wsid field interpretation and export

In overseas marketing, “US ws number” usually refers to a US mobile phone number that has been registered with WhatsApp (i.e. WA). Whether it is inviting group members, private message promotion or regional targeted customer acquisition, it is inseparable from the verification of the authenticity and activity of these numbers. In the filtering results, wsid is an easily overlooked but extremely critical field - it can help you identify the uniqueness of the account, assist in deduplication, and even indirectly determine the weight of the account. This article will talk about filtering dimensions, field interpretation, and export practices to help you make good use of US WS number data.

What is a US WS number? Why is it needed for overseas marketing?

The mobile phone number corresponding to the US WhatsApp (often referred to as “US WA” or “US WS”) account, that is, US WS number. In cross-border business, this type of number has the following values:

• Private Domain Drainage Starting Point: Many European and American users are accustomed to using WhatsApp to receive business information. Having an active US WS number means that you can directly reach the target users.
• Basics of community operation: Whether it is group invitation (Group Invite) or broadcast message (Broadcast), the number needs to be real and valid.
• Regional Targeted Promotion: For independent websites, e-commerce, and tool apps in the US market, obtaining a US WS number is a prerequisite for cold start or large-scale testing.

But not all U.S. mobile phone numbers are registered with WhatsApp, and not all registered numbers remain active. Therefore, screening the collected U.S. numbers to distinguish connection status, activity, and possible gender information has become a key step in data operation.

US WS number screening: activation, activity and gender detection

On the KK-DATA screening platform, three core detection dimensions are provided for US WhatsApp numbers. Only by understanding the business significance of each dimension can we truly understand the screening results.

Activation test: Verify whether the number has been registered for WhatsApp

The activation test (that is, the “US WS activation” test) returns whether the mobile phone number is currently bound to a WhatsApp account. This is the most basic step - even if the number segment is correct, the WA may have never been registered. Only the numbers that have been activated can be used in the subsequent process of adding followers or sending private messages.

Activity detection: lock in real US WA users

Activity detection will determine the last time the WhatsApp account was online/used. You can specify an active window (e.g. 7 days, 30 days) to get numbers that match “recently active”. The business value of activity is to avoid sending messages to accounts that have been abandoned or have not logged in for a long time, and improve the message delivery rate and response rate.

Gender identification: targeting male/female user groups

Gender identification capability (supported by some number segments) can output the user’s gender field (such as “male” and “female”). If you need to promote categories such as men’s beauty or women’s health care in a targeted manner, you can use this field to filter out non-target groups. Please note that the gender recognition results are based on WhatsApp public information (such as avatar, nickname, etc.), and the accuracy is not 100%, but it can be used as an operational reference to reduce testing costs.

Interpretation of wsid field: Why is it a key identifier?

In the exported file of the filtering results, in addition to the mobile phone number and flag columns such as “whether it is activated” and “whether it is active”, there will also be an alphanumeric string - wsid. Many users are confused when they first see it. This article is dedicated to explaining its meaning and use.

What is wsid? The difference between it and mobile phone number

wsid, the full name of WhatsApp Identifier, is an internal unique identifier assigned to each account by the WhatsApp server, similar to the user’s “digital ID card”. It is bound to the mobile phone number, but it is not exactly the same:

• Changeable mobile phone number: The same WhatsApp account can be changed to a different mobile phone number (through the account transfer process).
• wsid remains unchanged: wsid follows the account itself and will not change due to changes in mobile phone numbers.
• wsid deduplication is more reliable: If you have a list of US mobile phone numbers from multiple sources, directly using mobile phone numbers to deduplicate may miss the extreme case (rare) of “different numbers bound to the same account”. Using wsid to remove duplicates is more thorough.

The exported result contains both mobile phone number and wsid. It is recommended to keep both: mobile phone number is used for communication and contact, and wsid is used for data association and later tool import.

The actual use of wsid in community operations

1. Batch import WhatsApp broadcast/group sending tool: Many third-party tools (must be used legally) require importing wsid instead of mobile phone number, because wsid is positioned accurately and can bypass certain number format checks.
2. Cross-task deduplication: When you screen US ws numbers in multiple batches, using wsid deduplication can avoid repeated detection or repeated contact of the same account, saving costs and risks.
3. Account quality analysis: Combined with the export timestamp, the status changes of the same wsid in different time periods can be determined (such as from active to inactive), providing a basis for data cleaning.

How to determine the age and weight of the account through wsid (indirect interpretation)

The wsid itself does not include the registration time, but there are certain rules to follow: the wsid of accounts registered earlier usually has a higher encoding sequence (multiple samples need to be compared). In addition, you can combine the wsid with the last_active field in the “activity detection” result: if the account corresponding to the wsid has not been active for a long time (more than 90 days), it may belong to a “zombie account” or an account with a lower weight. On the contrary, wsid that has been active recently is more “fresh”, has lower risks in group sending and private message scenarios, and has a higher reach rate.

How to export the wsid and supporting fields in the US WS number results?

Select export fields: check wsid, status, activity, etc.

On the task details page of the KK-DATA console, after clicking the “Export” button, a field selection pop-up window will pop up. It is recommended to check the following fields (at least):

Field	Description
phone	Original mobile phone number
wsid	WhatsApp identifier
is_active	Whether to activate (true/false)
is_recent_active	Whether active within the specified window
gender	Gender (male/female/unknown)
last_active_time	Last active timestamp
country	country code (usually US)

After checking, click “Generate Export” and the system will generate a CSV or TXT file.

Recommended export format: CSV for data analysis, TXT for batch import

• CSV format: recommended for data cleaning, deduplication, and secondary analysis (Excel, Python, R, etc.). Pay attention to save as UTF-8 encoding to avoid garbled characters.
• TXT format: One field per line. If you need to simply export the wsid list (excluding other fields), choose the TXT format, which is the most lightweight and suitable for direct copying to the mass sending tool.

Data cleaning and deduplication techniques after exporting

1. Remove duplicates with wsid: Sort by wsid column in Excel and use the “Remove Duplicates” function. If the same wsid appears multiple times, the one with the highest activity (or the latest timestamp) is retained.
2. Filter valid records: Filter out the records of is_active = true and is_recent_active = true. This part is the target users that can be used directly.
3. Split files: If the export results are large (such as hundreds of thousands), split them into small files according to gender or active time, and import the tool in batches to reduce the probability of triggering risk control.

Typical application scenarios of US WS numbers

1. Invite into the group: Import the filtered US ws numbers that are activated and active into the group chat robot through wsid, and send group invitation links in batches. With gender screening, vertical communities can be built (such as men’s outdoor, women’s clothing).
2. Private message promotion: Send broadcast messages to active numbers (subject to WhatsApp business policies). Using wsid instead of mobile phone number to send messages can improve message delivery rate (some tools support precise matching).
3. A/B test rhetoric: Divide the numbers into two groups (for example, by gender), send different copywriting respectively, compare the response rate and conversion rate, and optimize the marketing rhetoric.
4. Regional Targeted Marketing: Cooperate with US number segments (such as +1 310 Los Angeles, +1 212 New York) to screen WA users in corresponding cities/states to promote localized activities.

Complete process for filtering US WA numbers using KK-DATA (quick review)

1. Generate or Import Numbers → You can use “Global Number Generator” to generate US number segments for free, or upload your own CSV number list.
2. Create Screening Task → Select the platform as WhatsApp, and check “Activate”, “Active” and “Gender” (on demand) for the detection type.
3. Submit task → The system displays the estimated cost (billed by item, please see the real-time price on the console for unit price details). Submit after confirmation.
4. Waiting for completion → You can optionally turn on Telegram notification after the task is completed.
5. Export results → Select fields such as wsid and download CSV or TXT file.
6. Data Cleaning → Use wsid to remove duplicates and filter active records.

There is no need to subscribe to a package during the entire process. After recharging USDT, fees will be deducted according to the number of tests, and you pay as much as you use. Make sure you have sufficient balance before submitting the task.

Notes: Data compliance and anti-fraud reminders

• Abide by WhatsApp Terms of Service: Do not use filter results to send large amounts of harassing group messages, otherwise your account may be permanently banned. It is recommended to control the number of daily contacts and use real data for operations.
• Only contact through official customer service: KK-DATA’s official customer service is @kkdata_robot. Other Telegram accounts claiming to be “customer service” are fake. Do not leak data or transfer money.
• Data Security: The exported wsid and mobile phone number are sensitive data, and it is recommended to encrypt and store them to avoid leakage to third parties.

FAQ

Question: What is the difference between wsid and mobile phone number? Which export should I use?

Answer: The mobile phone number is the user’s real number and is used for direct communication; the wsid is the account ID in the WhatsApp system, which is more stable and can be used for tool import. In actual operations, it is recommended to export both: the mobile phone number is used for contact, and the wsid is used for deduplication and import tools. By default, both items are included when exporting.

Question: Are all the US ws numbers screened must be open and active?

Answer: Not necessarily. The filtering results are output based on the detection dimensions you selected. If you only check “Enable Detection”, the exported number is only guaranteed to be registered with WhatsApp, but not active. To obtain available US ws numbers, it is recommended to check “Activate + Active (recent active window)” at the same time, and filter the records of is_active=true and is_recent_active=true after exporting.

Question: Can the exported wsid be directly used in the WhatsApp group messaging tool?

Answer: Some third-party tools (especially those based on WhatsApp Business API or unofficial interfaces) support importing wsid as the target ID. But please note: using unofficial bulk messaging tools may violate WhatsApp’s terms of service, so please evaluate your own risk. It is recommended to give priority to using the official API (WhatsApp Business API) with wsid for compliance contact.

Question: How to determine which part of a set of US WS numbers is more “fresh” and less risky?

Answer: Two fields can be combined: last_active_time (last active time) and gender (optional, accounts without gender records may have lower weight). Priority is given to numbers that have active records in the last 7 days. Such accounts are usually still in normal use and have a low risk of being identified as spam accounts. At the same time, pay attention to the encoding order of wsid - wsid with a shorter sequence may belong to a newly registered account (requires actual experience accumulation).

Question: Can I see the user’s avatar or nickname in the filter results?

Answer: Currently, the fields exported by the platform do not include user avatars or nicknames. If you need this information, it is recommended to call the WhatsApp official API (authorization required) through wsid to obtain it yourself after exporting. Avatars and nicknames are dynamic data and cannot be obtained together through filter number detection.

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The above content covers the interpretation and export method of the wsid field in the US ws number filtering results. If you want to try generating and filtering US numbers immediately, you can directly access the console to submit the task.

👉 Log in to the console to start screening numbers Two-way contact customer service https://t.me/kkdata_robot You can check the official website https://kkdata.cc/ and the complete document https://docs.kkdata.cc/ at the same time for more help.