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
by request of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by request of" is a correct and usable phrase in written English.
You can use it when asking permission or requesting a favor from someone who has authority to grant the permission or request. For example, "I am requesting a day off work on Friday by request of my supervisor."
✓ Grammatically correct
News & Media
Science
Wiki
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
46 human-written examples
Sent in pictures (by request) of our family members and labeled "stepfather" clearly above Andy's face and "sister" above Elke's.
News & Media
The alleys, by request of the tenant groups who participated in the design process, have locked gates at both ends to prevent strangers from coming through.
News & Media
By request of the family, in lieu of flowers or other gifts, please consider a donation to Doctors Without Borders, an organization strongly supported by Dr. Zalusky.
News & Media
They rounded up into the conference hall, and by request of Hazrati, managing director or the daily, they took Sassan [Aghaei], Nasrin [Takhayori], and Javad [Dalirei] to Hazrati's office.
News & Media
By request of the Borough President's office, 4 blocks of Nassau St., from Maiden Lane north to Beekman St; began last week to be closed to all vehicles betw.
News & Media
P. T. Barnum wrote of bringing a dwarf from his circus, General Tom Thumb, to Paris but letting him wear his Napoleon costume only in private, and by request of King Louis Philippe.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
13 human-written examples
She selects songs from it at random, and the program, titled "Just Love... by Request," consists of a half-and-half mixture of preset choices and requests.
News & Media
The majority of the government publications were mailed to the study author (RLH) by request, samples of every publication in this study were available at no charge.
Science
The limit in MFTT on an elderly patient is notimposed by the technique used but by the request of the patient and by the status of his vessels.
Science
By request... of course.
News & Media
NOTE: Jonathan Gold's 101 Best Restaurants cover image available by request week of May 6th. .
News & Media
Expert writing Tips
Best practice
Use "by request of" to clearly indicate that an action or decision was made because someone specifically asked for it. This adds transparency and accountability.
Common error
Avoid using "by request of" in very informal contexts. While grammatically correct, it can sound overly formal or stiff in casual conversation. Opt for simpler alternatives like "because [someone] asked" or "[someone] wanted".
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by request of" functions as a prepositional phrase that modifies a verb or noun, indicating the reason or instigator behind an action. Ludwig confirms its usage in various contexts.
Frequent in
News & Media
39%
Science
35%
Wiki
14%
Less common in
Formal & Business
6%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "by request of" is a grammatically sound and commonly used prepositional phrase that serves to attribute an action or decision to a specific request. It frequently appears in news, scientific, and wiki sources, indicating a neutral to formal tone. According to Ludwig, the phrase is correct and usable in written English. While there might be subtle differences in formality, "by request of" serves as a clear and concise way to explain the motivations behind actions and decisions. Alternatives like "at the behest of" or "on the instruction of" can be used for more formal contexts. The best practice is to use it when attributing something clearly to another's request.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
at the behest of
This alternative is more formal and emphasizes the influence or authority of the person making the request.
at the urging of
This implies that someone strongly encouraged or prompted the action.
on the instruction of
This suggests a formal command or directive.
on the application of
This alternative is more formal and suggests a written or official request.
as per the requirements of
This alternative highlights adherence to specific requirements or instructions.
due to the demand of
This alternative stresses the insistence or need behind the request.
upon the solicitation of
This phrase is formal and suggests a proactive seeking of the request.
at the invitation of
This suggests a welcoming or encouraging request.
pursuant to the appeal of
This is a formal and legalistic way of saying something was done because someone requested it.
on account of the desire of
This option expresses that the request is motivated by someone's personal wish.
FAQs
How can I use "by request of" in a sentence?
Use "by request of" to indicate that an action was carried out because someone asked for it. For example, "The meeting was rescheduled "by request of" the CEO."
What are some alternatives to "by request of"?
Alternatives include "at the behest of", "on the instruction of", or "at the urging of" depending on the specific nuance you want to convey.
Is it more appropriate to use "by order of" or "by request of"?
"By order of" implies a command or directive from someone in authority, while "by request of" indicates a more polite or suggestive influence. Use "by order of" when there is an explicit instruction, and "by request of" when someone has simply asked for something to be done.
When should I use "at the request of" instead of "by request of"?
Both phrases are grammatically correct and largely interchangeable. "At the request of" might sound slightly more natural in some contexts, but ""by request of"" is also perfectly acceptable.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested