Я надсилаю претензію й підтвердження оплати.

Я means I.

надсилаю is the 1st person singular present tense form of надсилати / надіслати, meaning to send.

So Я надсилаю literally means I am sending or I send. In this kind of business-style sentence, English usually translates it as I am sending.

Because Ukrainian verbs change their endings depending on the subject.

For надсилати in the present tense:

• я надсилаю = I send / am sending
• ти надсилаєш = you send
• він / вона надсилає = he / she sends
• ми надсилаємо = we send
• ви надсилаєте = you send
• вони надсилають = they send

So -ю here is the normal I ending for this verb.

Because it is the direct object of the verb надсилаю.

The base form is:

• претензія = complaint / claim

But after a verb like надсилати when it is the thing being sent, it goes into the accusative case:

• надсилаю претензію = I am sending a complaint / claim

This is a very common pattern in Ukrainian:

• Я читаю книгу
• Я пишу заяву
• Я надсилаю претензію

For many feminine nouns ending in -я, the accusative singular ends in -ю.

Because підтвердження is a neuter inanimate noun, and for many such nouns, the accusative singular is identical to the nominative singular.

So:

• підтвердження = confirmation
• надсилаю підтвердження = I am sending confirmation

This is normal in Ukrainian. Some nouns visibly change in the accusative, and some do not.

оплати is in the genitive case.

The basic noun is:

• оплата = payment

In the phrase підтвердження оплати, the meaning is confirmation of payment.

This is a very common Ukrainian structure:

• підтвердження бронювання = confirmation of booking
• номер замовлення = order number
• копія паспорта = copy of the passport

So оплати means of payment here.

Not always just a casual complaint.

Претензія often has a more formal, business, legal, or customer-service meaning, such as:

• complaint
• claim
• formal complaint
• demand in some contexts

So in a business message, претензія can sound more formal than everyday English complaint.

й and і both mean and.

Here й is used mainly for euphony — to make the sentence sound smoother. Ukrainian often alternates і / й depending on surrounding sounds.

Since претензію ends in a vowel-like sound and підтвердження begins with a consonant cluster, й sounds very natural here:

• претензію й підтвердження

In many cases, і would also be understood, but й is stylistically smoother.

Yes. Ukrainian word order is more flexible than English.

The neutral order here is:

• Я надсилаю претензію й підтвердження оплати.

But you could also see variations like:

• Претензію й підтвердження оплати я надсилаю.
• Надсилаю претензію й підтвердження оплати.

These change the emphasis slightly, but the basic meaning stays the same.

In formal messages, the original version sounds natural and standard.

Yes, often it can.

Because the verb form надсилаю already shows that the subject is I, Ukrainian often drops the pronoun:

• Надсилаю претензію й підтвердження оплати.

This is very common in emails, messages, and formal correspondence.

Including Я is not wrong — it just makes the subject more explicit.

Usually send or am sending.

In context, Я надсилаю... often means:

• I am sending...
• I’m sending...

Especially in an email or message, it can sound like I am hereby sending or I am attaching/sending.

Depending on context, it may also feel close to I am forwarding, but the core meaning is simply sending.

Often yes, but надсилаю is a very natural choice in formal or written communication.

Compare:

• надсилаю = I am sending
• відправляю = I am sending / dispatching

надсилаю often sounds especially natural for documents, emails, files, and formal correspondence.

So for a sentence about a complaint and proof of payment, надсилаю is an excellent choice.

A rough pronunciation guide:

Ya nadsy-LA-yu preten-ZI-yu y pid-tver-DZHEN-nya op-LA-ty

Approximate stress:

• Я
• надсила́ю
• прете́нзію
• й
• підтве́рдження
• опла́ти

A few tips:

• я = like ya
• ю = usually sounds like yu
• ї is not in this sentence, but і is a clear ee sound
• дж in підтвердження is like the j sound in jam

Because Ukrainian has no articles.

So:

• претензію can mean a complaint or the complaint
• підтвердження оплати can mean confirmation of payment or the payment confirmation

The exact meaning depends on context.

This is normal in Ukrainian, and learners have to get used to understanding definiteness from the situation rather than from articles.

Yes, it sounds fairly formal or businesslike.

Words like претензія and підтвердження оплати are typical of:

• emails to companies
• customer service messages
• legal/business communication
• official complaints

So this is not especially casual everyday speech; it fits professional communication well.