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Powerful APIs for modern apps

Everything you need to integrate subscriptions into your application. RESTful APIs, webhooks, and SDKs for every platform.

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Simple, intuitive APIs that get you up and running fast

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Create a subscription
Add a new subscription for a customer
const subscription = await mernphis.subscriptions.create({
  customerId: "cus_123456",
  planId: "plan_premium",
  billingCycle: "monthly",
  trialDays: 14
});

console.log(subscription.id); // sub_789012

SDKs for every platform

Official libraries in your favorite language

JS
Available

JavaScript/TypeScript

PY
Available

Python

RB
Available

Ruby

SW
Available

Swift

KT
Available

Kotlin

FL
Coming Soon

Flutter

RESTful API
Modern, intuitive REST endpoints with comprehensive documentation
Real-time Webhooks
Get instant notifications for subscription events and changes
GraphQL Support
Flexible queries with our GraphQL API for advanced use cases

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