Not able to create polar Checkout
Hi, I'm trying to create a polar checkout with polarCheckoutWithSlug
to provide a custom param. Because a user can have multiple items which have to be payed seperatly.
The problem is. That I get follwing error with this function
I'm using follwing versions:
My Polar config looks like this:
await auth.api.polarCheckoutWithSlug({
params: {
slug: "premium",
},
headers: await headers(),
});
await auth.api.polarCheckoutWithSlug({
params: {
slug: "premium",
},
headers: await headers(),
});
[2m2025-03-26T22:50:10.685Z[0m [31mERROR[0m [1m[Better Auth]:[0m Polar checkout creation failed. Error: Invalid URL
[2m2025-03-26T22:50:10.685Z[0m [31mERROR[0m [1m[Better Auth]:[0m Polar checkout creation failed. Error: Invalid URL
"better-auth": "^1.2.5",
"@polar-sh/better-auth": "^0.0.9",
"better-auth": "^1.2.5",
"@polar-sh/better-auth": "^0.0.9",
export const auth = betterAuth({
database: prismaAdapter(prisma, {
provider: "postgresql",
}),
session: {
cookieCache: {
enabled: true,
maxAge: 5 * 60, // Cache duration in seconds
},
},
plugins: [
nextCookies(),
twoFactor(),
polar({
client,
createCustomerOnSignUp: true,
enableCustomerPortal: true,
webhooks: {
secret: env.POLAR_WEBHOOK_SECRET,
onCheckoutCreated: async (checkout) => {
// TODO: Handle checkout per id
if (!checkout.data.customerExternalId) {
throw new Error("Checkout ID is required");
}
await prisma.payment.create({
data: {
paymentId: checkout.data.id,
status: checkout.data.status,
userId: checkout.data.customerExternalId,
},
});
},
onCheckoutUpdated: async (checkout) => {
const payment = await prisma.payment.findFirst({
where: {
paymentId: checkout.data.id,
},
});
if (!payment) {
throw new Error("Payment not found");
}
if (checkout.data.status === "confirmed") {
const userPayments = await prisma.payment.findMany({
where: {
userId: payment.userId,
},
});
const filterPayments = userPayments.filter(
(payment) => payment.paymentId !== checkout.data.id
);
await prisma.payment.deleteMany({
where: {
id: {
in: filterPayments.map((payment) => payment.id),
},
},
});
}
await prisma.payment.update({
where: {
id: payment.id,
},
data: {
status: checkout.data.status,
},
});
},
},
checkout: {
enabled: true,
products: [
{
productId: "65283361-ab92-4f8d-94b7-c9e9c5f7c4d9",
slug: "premium",
},
],
successUrl: "/dashboard/success?checkout_id={CHECKOUT_ID}",
cancelUrl: "/dashboard/manage/[id]/billing",
},
}),
],
appName: "123",
rateLimit: {
window: 10, // time window in seconds
max: 100, // max requests in the window
},
socialProviders: {
google: {
clientId: env.GOOGLE_CLIENT_ID,
clientSecret: env.GOOGLE_CLIENT_SECRET,
},
},
emailAndPassword: {
autoSignIn: true,
enabled: true,
minPasswordLength: 8,
},
});
export const auth = betterAuth({
database: prismaAdapter(prisma, {
provider: "postgresql",
}),
session: {
cookieCache: {
enabled: true,
maxAge: 5 * 60, // Cache duration in seconds
},
},
plugins: [
nextCookies(),
twoFactor(),
polar({
client,
createCustomerOnSignUp: true,
enableCustomerPortal: true,
webhooks: {
secret: env.POLAR_WEBHOOK_SECRET,
onCheckoutCreated: async (checkout) => {
// TODO: Handle checkout per id
if (!checkout.data.customerExternalId) {
throw new Error("Checkout ID is required");
}
await prisma.payment.create({
data: {
paymentId: checkout.data.id,
status: checkout.data.status,
userId: checkout.data.customerExternalId,
},
});
},
onCheckoutUpdated: async (checkout) => {
const payment = await prisma.payment.findFirst({
where: {
paymentId: checkout.data.id,
},
});
if (!payment) {
throw new Error("Payment not found");
}
if (checkout.data.status === "confirmed") {
const userPayments = await prisma.payment.findMany({
where: {
userId: payment.userId,
},
});
const filterPayments = userPayments.filter(
(payment) => payment.paymentId !== checkout.data.id
);
await prisma.payment.deleteMany({
where: {
id: {
in: filterPayments.map((payment) => payment.id),
},
},
});
}
await prisma.payment.update({
where: {
id: payment.id,
},
data: {
status: checkout.data.status,
},
});
},
},
checkout: {
enabled: true,
products: [
{
productId: "65283361-ab92-4f8d-94b7-c9e9c5f7c4d9",
slug: "premium",
},
],
successUrl: "/dashboard/success?checkout_id={CHECKOUT_ID}",
cancelUrl: "/dashboard/manage/[id]/billing",
},
}),
],
appName: "123",
rateLimit: {
window: 10, // time window in seconds
max: 100, // max requests in the window
},
socialProviders: {
google: {
clientId: env.GOOGLE_CLIENT_ID,
clientSecret: env.GOOGLE_CLIENT_SECRET,
},
},
emailAndPassword: {
autoSignIn: true,
enabled: true,
minPasswordLength: 8,
},
});
1 Reply
for polar, you should use their client to make requests not
auth.api or authClient