Integrating USDC Payments with Wagmi and Programmable Wallets
In
the
rapidly
evolving
world
of
e-commerce,
providing
a
seamless
payment
experience
is
crucial
for
both
merchants
and
customers.
According
to
Circle,
integrating
USD
Coin
(USDC)
payments
can
offer
a
globally
accessible
alternative
payment
method
for
online
stores,
accelerating
cash
flow
with
near-instant
settlement.
How
It
Works
When
a
customer
initiates
a
payment,
they
connect
their
wallet
and
send
USDC
directly
to
a
wallet
address
created
specifically
for
the
business
using
Programmable
Wallets.
This
wallet
is
generated
automatically
through
a
script,
ensuring
every
transaction
is
secure
and
organized.
Step-by-Step
Integration
Step
1:
Create
a
New
Wagmi
Project
To
start,
build
the
front-end
by
creating
a
new
Wagmi
project
using
TypeScript.
Open
your
terminal
and
run
the
command:
npm create wagmi@latest
This
will
scaffold
a
new
Wagmi
project
with
the
necessary
configurations.
Step
2:
Install
Required
Dependencies
Navigate
to
your
project
directory
and
install
the
required
dependencies
by
running:
npm install
Step
3:
Configure
Your
Project
Files
Set
up
the
necessary
files
in
your
project
folder
structure.
Start
by
creating
a
`config`
folder
in
the
parent
directory
and
then
move
and
modify
the
`wagmi.ts`
file
accordingly.
Step
4:
Create
Components
In
your
project
directory,
create
a
components
folder
and
add
the
following
files:
-
PayButton.tsx:
This
will
handle
the
payment
button
functionality. -
ProductCard.tsx:
This
will
display
the
product
details.
Step
5:
Create
the
Landing
Page
Create
a
new
file
named
`page.tsx`
in
the
src/pages
directory
to
import
and
render
the
ProductCard
component,
providing
a
user
interface
for
customers.
Step
6:
Add
External
API
Calls
Utilize
Programmable
Wallets
by
creating
a
new
file
named
`createWallet.js`
in
the
src/pages/api
directory.
This
will
handle
external
API
calls
for
creating
a
wallet.
Step
7:
Configure
Environment
Variables
Create
a
.env
file
in
the
root
of
your
project
and
add
your
Circle
Web3
Services
credentials:
CIRCLE_API_KEY=
CIRCLE_ENTITY_SECRET=
Step
8:
Run
the
Application
Start
the
development
server
with
the
following
command:
npm run dev
Step
9:
Access
the
Application
Open
your
browser
and
navigate
to
http://localhost:3000
to
see
your
application
in
action.
Conclusion
Circle’s
Programmable
Wallets
simplify
the
process
of
embedding
wallet
functionality
into
applications,
making
it
easy
to
accept
USDC
as
a
payment
method
for
businesses.
By
leveraging
the
createWallet.js
script
and
the
PayButton.tsx
component,
merchants
can
offer
seamless
payment
experiences
for
global
customers
with
near-instant
settlement.
Image
source:
Shutterstock
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