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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
valid customer
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "valid customer" is correct and usable in written English.
It can be used in contexts where you need to refer to a customer who meets certain criteria or is recognized as legitimate within a system or business. Example: "To access the premium features, you must be a valid customer with an active subscription."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
3 human-written examples
"It is almost impossible to differentiate between a request being sent from a malicious computer and one from a valid customer".
News & Media
They will exchange it or offer you a full refund HMV Items purchased in error or unwanted gifts can be returned for exchange provided they are returned in perfect condition, accompanied by a valid Customer Advice Note and within 21 days of receipt.
News & Media
Issue valid customer credit timely to avoid unnecessary transaction disputes and associated chargeback fees.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
This offer is only valid for customers who present a valid coupon to the John Lewis Partner in-store at time of purchase or enter the promotion code XMAS20 online at time of purchase.
News & Media
The reason why the company succeeded for US customers was not valid for Indian customers.
News & Media
We show that a cyclic, static approach is still valid under fluctuating customer demands, by carefully providing sufficient slack through a combination of safety stock at the customers and spare capacity in the replenishment routes.
● Limit one order per customer, valid only through 11 59 PM, July 17th 2009.
News & Media
She adds: "Rather than closing accounts, they should be listening to their customers' valid complaints.
News & Media
That's a perfectly valid choice that customers are making".
News & Media
One hour off offer valid for new customers on first time bookings only.
News & Media
To allow for a valid comparison between customers with and without social media interactions, we report the specific costs of these interactions separately, again using data from internal accounting.
Science
Expert writing Tips
Best practice
Use "valid customer" when you need to emphasize that a customer meets specific criteria or is recognized as legitimate within a system or business. For example, when granting access to exclusive features or benefits, ensure the user is a "valid customer".
Common error
Avoid using "valid customer" in casual conversations or informal writing. It can sound overly formal or bureaucratic in such settings. Opt for simpler terms like "customer" or "client" unless the validity aspect is crucial to the context.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "valid customer" functions as a noun phrase, where "valid" acts as an adjective modifying the noun "customer". It's used to specify a particular type of customer that meets certain criteria. As Ludwig AI states, it signifies that the customer fulfills certain requirements or is recognized as legitimate within a specific framework.
Frequent in
News & Media
33%
Wiki
33%
Science
34%
Less common in
Formal & Business
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "valid customer" is a phrase used to denote a customer who meets specific requirements or is deemed legitimate within a given context. Ludwig AI confirms that it's grammatically sound. While the frequency is rare, it appears across various domains like News & Media, Wiki, and Science. The phrase is best suited for formal or professional settings where it's crucial to emphasize the legitimacy or eligibility of a customer. Consider alternatives such as "legitimate customer" or "qualified customer" depending on the intended nuance. Avoid overuse in informal contexts to maintain a natural tone. While less frequent, Ludwig provides examples that prove "valid customer" is a correct and usable English phrase.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
legitimate customer
Replaces "valid" with a synonym that emphasizes the authenticity and legality of the customer.
verified customer
Focuses on the verification process, implying the customer's status has been confirmed.
eligible customer
Highlights that the customer meets specific criteria or qualifications.
qualified customer
Similar to "eligible", emphasizing the customer's fulfillment of necessary requirements.
authorized customer
Implies the customer has been granted permission or access to something.
bona fide customer
A more formal way of saying "genuine customer", emphasizing authenticity.
active customer
Highlights that the customer is currently engaged or transacting with the business.
registered customer
Emphasizes that the customer has completed a registration process.
authenticated customer
Focuses on the process of verifying the customer's identity.
confirmed customer
Highlights the confirmation of the customer's status or order.
FAQs
What does "valid customer" mean?
A "valid customer" is a customer who meets specific criteria or is recognized as legitimate within a system or business. This often implies that they have met certain requirements, such as having an active subscription or providing necessary documentation.
What can I say instead of "valid customer"?
You can use alternatives like "legitimate customer", "verified customer", or "qualified customer" depending on the context.
When is it appropriate to use the term "valid customer"?
It's appropriate to use "valid customer" in formal or business contexts where it's important to emphasize that a customer meets specific requirements or is officially recognized. This is common in legal documents, service agreements, and technical specifications.
What's the difference between a "valid customer" and a "potential customer"?
A "valid customer" is someone who has already met the requirements to be considered a customer, while a "potential customer" is someone who is being targeted as a possible future customer but has not yet made a purchase or met the necessary criteria.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested