Want to put a fiat gateway right on your platform? That’s a smart move.
By offering an easy way to buy bitcoin, ether and a range of other cryptocurrencies and tokens, your users can go from cash to crypto in no time — without needing to source their digital currencies on another website.
Fiat-to-crypto onramps are an increasingly popular solution, as they can save you both time and resources better served building the foundations for a crypto and Web3 future.
Often, in these discussions, Sardine and Koywe are brought up. Rightfully so: both are strong solutions for onboarding new users.
Wondering which one can better meet your needs? In this article, we’ll compare the two.
About Sardine
Sardine boasts instant fiat-to-crypto transactions across 20+ chains and the US’s highest ACH authorization rates.
The pros and cons of Sardine
PROS
CONS
* Offers a US alternative to credit cards for higher success rates (instant ACH)
* Low-KYC option available
* US-only, more recently started to extend country coverage
* Limited payment method support
* Strict fraud-engines leads to false fraud restrictions on real users
About Koywe
A strong option for those seeking robust coverage in LATAM, Koywe prides itself on higher transaction success via local payment methods.
The pros and cons of Koywe
PROS
CONS
* Unique payment method offering in LATAM
* Lowest costs in the Latin American market
* Limited geographic coverage (LATAM-exclusive)
* Limited crypto and fiat support
How do Sardine and Koywe compare?
Sardine
Koywe
Key region(s)
North America
Latin America
Fiat currencies
51
5
Cryptocurrencies
33
10
Payment methods
3
4
Supported countries
85
5
Trustpilot score
3.2
Unavailable
Networks supported
16
4
Integration fees?
✅
✅
Free with Onramper?
✅
✅
Which fiat onramp is best for my crypto business?
As the previous comparison demonstrates, both Sardine and Koywe have their own unique strengths. If you caught our latest report, you’ll know that there’s no real answer to which onramp is best — because it’s different, not for every business, but for every user.
Sardine may work great for a segment of your user base, while being unusable for another segment. Koywe could face the same issue, albeit with different segments.
Because over 70 factors influence a transaction, the reality is that a single onramp can never cater to a meaningful number of users. Serious players in the crypto and Web3 spaces should consider the inclusion of a whole suite of onramps.
Get the best of all onramps with a single integration
Integrating the multiple onramps required for truly global coverage can be both expensive and time-consuming. Why waste resources adding and maintaining them when you could achieve better results with just eight lines of code?
The Onramper widget is for businesses seeking seamless user onboarding — without the compliance, maintenance and integration headaches that come with DIY solutions.
Our fiat-to-crypto onramp aggregator puts over 15 of the industry’s best onramps directly on your platform. Reach out today to find out how our state-of-the-art fiat gateway can help you win new users.
You spend
120
EUR
You get
0.072
ETH
Polygon network
1 EUR ≈ 0.00002 ETH
By
Coinify
Buy
Sell
Pay via
Card
Bank
More
Buy ETH
You spend
120
EUR
You get
0.072
ETH
Polygon network
1 EUR ≈ 0.00002 ETH
By
Banxa
Buy
Sell
Pay via
Card
Bank
More
Buy ETH
You spend
120
EUR
You get
0.072
ETH
Polygon network
1 EUR ≈ 0.00060 ETH
By
Onmeta
Buy
Sell
Continue
Pay using
SEPA bank transfer
Recommended
