They're in Brazil. You're in Portugal. In under 2 minutes from your phone, the credit arrives directly on theirs — no queue, no forms. Just one simple act.
30 secondes
Delivery
10 BRL
Min amount
200 BRL
Max amount
99,0%
Success rate
Top up Oi now
Enter the number — credit arrives in 30 secondes.
How to top up Oi with Sift
The entire process is online — no app required, works from any browser.
- 1
Go to sift-mobile.com and select "Top up"
From the homepage or directly from the Brazil page.
- 2
Enter the recipient's number in Brazil
Local format (11 91234 5678) or international (+55 11 91234 5678). Sift detects the operator automatically.
- 3
Choose the amount
From 10 BRL to 200 BRL. Commission is already included — no surprises.
- 4
Pay by card, Apple Pay or Google Pay
After confirmation, the top-up is credited in under 30 secondes. Your loved one receives an SMS notification.
Pricing: how much does it cost from Portugal?
Sift prices already include the service fee. No hidden charges at checkout.
| Credit sent | EUR equivalent | Sift price | Commission |
|---|---|---|---|
| 10 BRL | ~€1.50 | €3.50 | included |
| 20BRL | ~€3.05 | €4.30 | included |
| 200 BRL | ~€15.20 | €14.90 | included |
Delivery time
In over 99% of cases, credit arrives on the recipient's phone in under 30 secondes after payment confirmation. If delivery ever exceeds 24 hours — an extremely rare case — Sift automatically refunds the full amount without needing to contact support.
Every top-up earns Sift Care points. The more you support your loved ones, the more Sift rewards you — with real discounts on future top-ups.
Racines
0 pts
—
Lien
500 pts
−€0.30
Famille
2,000 pts
−€0.50
Pilier
5,000 pts
Free fees
Every €1 spent = 10 points. Auto top-ups earn ×1.5. At 500 pts you unlock Lien and save −€0.30 per top-up.
Top up now →Frequently asked questions
Can I top up any Oi number from Portugal?
Yes. Sift supports all Oi numbers — in local or international format (+55). The operator is detected automatically.
Does my loved one have to do anything?
No. The credit arrives directly on their phone. They receive an SMS notification confirming receipt.
What if the top-up doesn't arrive?
Sift guarantees delivery. If credit doesn't arrive within 24 hours, you receive a full automatic refund.
Can I schedule recurring monthly top-ups?
Yes. Sift supports recurring top-ups. Once set up, the top-up is sent monthly — and earns ×1.5 Sift Care points.
Top up Oi now
Enter the number — credit arrives in 30 secondes.
