All the payment tools. None of the hassle.
First’s powerful API works with your existing payment rails to process
Diem and Celo transactions, prevent fraud, and protect financial data.
How it Works How it Works
Platform Features Platform Features
Effortlessly build customizable
checkout flows from start to finish.
payments with ease
Automate the authorization, capture, and approval
of Diem and Celo payments to merchants.
quickly and securely
First’s verified risk check minimizes
failure rates by preventing faulty and
As scalable as
First handles the complexity of the Blockchain,
off-chain, and VASP for you.
The First API
Toolkit For Diem
Designed to be simple and fluent, First’s API gives
developers all the building blocks they need to create
custom payment applications on top of existing