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
added on request
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "added on request" is correct and usable in written English.
It can be used when indicating that something was included or provided because someone specifically asked for it. Example: "The additional features were added on request from our clients to enhance user experience."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(3)
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
4 human-written examples
Data processing can be upgraded with non-standard features added on request as shown in two examples: (1) the testing of splenectomy efficacy in the case of thrombocytopenia with normal production; and (2) the detection and localisation of parathyroid adenomas.
Further file formats can be added on request.
The addition of new or updated checklist data can be added on request.
Science
Another outcome measure was added on request of the Journal Editor, asking whether the administration of tranexamic acid decreased blood loss.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Vitamin E testing may be added on to samples already in the lab within 2 days of accessioning, if the original samples were drawn less than one week prior to the add-on request.
Academia
"I understood how new this idea already was for [the DSNY] so I didn't want to add on additional requests like 'hey I want to also get your 8,000 sanitation workers wearing this as well,'" Preston explains.
News & Media
Add-on requests for reference laboratory tests not built in the LIS or EHR may entail extra work in first determining the specimen requirements for the requested test and then checking if pre-existing specimens can be used.
Science
And ORCID engages with Ringold on an institutional level so that institutional identifiers can be added on the request of ORCID members.
Investigators may contact the authors to discuss requests to add on-line access to their data and compound databases in the Pathway Editor.
Science
Buyers can also get night vision cameras and other add-ons on request.
News & Media
Add ons.
Wiki
Expert writing Tips
Best practice
When using "added on request", ensure it's clear who made the request to provide context and avoid ambiguity.
Common error
Avoid using "added on request" without specifying who made the request. Always provide context to clarify who requested the addition to prevent confusion.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "added on request" functions as a prepositional phrase, typically modifying a verb to indicate the reason or condition under which something was added. Ludwig AI indicates that it's grammatically correct. The phrase is frequently used to denote that an action or inclusion occurred due to a specific request.
Frequent in
Science
38%
News & Media
31%
Academia
31%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "added on request" is a grammatically correct and useful way to indicate that something was included or performed due to a specific request. While Ludwig AI confirms its correctness, the key is to ensure clarity by specifying who made the request. It appears most commonly in scientific, news, and academic contexts, indicating a neutral to professional tone. For alternative phrasings, consider "supplied upon request" or "provided as requested" for similar connotations. Remember to provide sufficient context to avoid ambiguity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
supplied upon request
Replaces "added" with "supplied", emphasizing the act of providing something.
provided as requested
Focuses on the act of providing, synonymous with "added", but uses "as requested" for directness.
furnished when requested
Uses "furnished" instead of "added", suggesting a more formal provision of something.
included by request
Highlights inclusion due to a request, useful when adding elements to a list or document.
available upon request
Indicates something can be obtained if asked for, focusing on availability.
done at someone's asking
Emphasizes the action was performed because someone asked for it, more informal.
appended as desired
Suggests adding something as per the desire or preference of someone.
enclosed as stipulated
Uses "enclosed" to refer to adding something, specifically because it was stipulated or required.
offered by special arrangement
Conveys that the addition is part of a specific agreement or customization.
prepared per specification
Indicates that something was prepared according to precise specifications or requests.
FAQs
How can I use "added on request" in a sentence?
You can use "added on request" to indicate that something was included or provided because someone specifically asked for it. For example, "The additional features were "added on request" from our clients to enhance user experience."
What can I say instead of "added on request"?
You can use alternatives like "supplied upon request", "provided as requested", or "available upon request depending on the context".
Which is correct, "added on request" or "added upon request"?
Both "added on request" and "added upon request" are grammatically correct and can be used interchangeably. However, "added on request" is more commonly used.
What's the difference between "added on request" and "included on request"?
The difference between "added on request" and "included on request" is subtle. "Added on request" implies something was supplemented, while "included on request" suggests something was incorporated within a whole because it was requested.
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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested