Used and loved by millions
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
per request
Grammar usage guide and real-world examplesUSAGE SUMMARY
"per request" is grammatically correct and usable in written English.
You can use it when someone has asked you to do something or when something is done in accordance with a particular request. For example: "The changes have been made to the document per request."
✓ Grammatically correct
Academia
News & Media
Science
Alternative expressions(20)
upon request
as requested
on demand
when requested
by request
subject to request
if requested
at someone's request
as per the request
pursuant to a request
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
it is important to remember
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
59 human-written examples
Firewall NAT is enabled on a per request basis.
Academia
Site to site VPN connectivity is provisioned on a per request basis.
Academia
Two tickets to a football or basketball home game (On a per request basis and subject to availability).
Academia
Our On-Call service provides ad hoc support for individuals or groups on a per request basis.
Academia
Two complimentary tickets to a football or basketball home game (On a per request basis and subject to availability).
Academia
On the other hand, the second timer is defined on a per request basis.
"As Per Request" sounds like Indian music.
News & Media
Please submit only 1 article or book chapter per request.
Academia
There is a limit of two per request, and those seeking tickets will be notified by e-mail.
News & Media
"This aircraft (ZS-OAK) is not available for public tracking per request from the owner/operator," the site says.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Amongst a subgroup of pediatric residents, a discharge status called Home Per Request or HPR is sometimes used.
Science
Expert writing Tips
Best practice
When specifying limits or costs, use "per request" to quantify the amount applicable to each individual request, avoiding ambiguity.
Common error
While "per request" is generally acceptable, overuse in very formal or legal documents can sound less polished. Consider using alternatives like "upon request" or "as requested" /s/as+requested in such contexts to maintain a more professional tone.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "per request" functions primarily as an adverbial phrase, modifying a verb or clause to indicate the condition under which an action is performed or a service is provided. It specifies that something is contingent on a request being made, as seen in Ludwig's examples.
Frequent in
Academia
30%
News & Media
27%
Science
25%
Less common in
Formal & Business
15%
Wiki
2%
Encyclopedias
1%
Ludwig's WRAP-UP
In summary, "per request" is a grammatically sound and frequently used phrase that indicates an action or provision is contingent upon a specific request. Ludwig AI's analysis confirms its correctness and versatility, supported by numerous examples from academic, news, and scientific sources. While highly common, it's important to consider context; more formal alternatives like "upon request" /s/upon+request might be preferred in some settings. Remember, clarity is key: use "per request" to manage expectations and define responsibilities, and avoid overuse in highly formal writing. Also, remember that, according to Ludwig, "per request" is correct.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
upon request
This alternative is a more formal and common way to express the same idea.
as requested
This alternative implies that an action is being performed in direct response to a specific request.
on demand
This alternative emphasizes that something is available immediately when needed.
when requested
This alternative highlights the timing of the action being conditional on a request.
by request
This alternative is a slightly less common but still acceptable way to indicate something is done because it was asked for.
subject to request
This alternative indicates that something can happen, but only if a request is made.
if requested
This alternative sets a condition that something will only happen if someone makes a request.
at someone's request
This alternative emphasizes that the request came from a specific individual.
as per the request
This alternative adds a slight formality, emphasizing adherence to the specifics of the request.
pursuant to a request
This alternative is a formal and legalistic way of saying something is done in accordance with a request.
FAQs
How can I use "per request" in a sentence?
You can use "per request" to indicate that something is provided or done each time a request is made. For example, "Two tickets to a football game are available "upon request"" or "The fee is $3.25 "for each request"".
What are some alternatives to saying "per request"?
Alternatives include "upon request", "as requested", "on demand", or "when requested", depending on the specific nuance you want to convey.
Is it better to use "per request" or "for each request"?
Both "per request" and "for each request" are grammatically correct. "Per request" is generally more concise and commonly used. Use "for each request" if you want to add emphasis or clarity, especially in technical or legal contexts.
What does "available per request" mean?
"Available per request" means that something is not automatically provided but can be obtained if someone asks for it. It implies that a request is necessary to receive the item or service.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested