Documentation

Everything you need to build

Quickstarts, in-depth guides, and a complete API reference. Go from zero to your first live payment in minutes.

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Quickstart

Install an SDK, drop in your key, and create your first charge in 60 seconds.

Guides

Step-by-step walkthroughs for checkout, subscriptions, payouts, and Connect.

API reference

Every endpoint, parameter, and response — with copy-paste examples.

SDKs

Typed libraries for Node, Python, Go, Ruby, PHP, Java, .NET, and Rust.

Webhooks

Subscribe to events and react to every state change in real time.

CLI & tooling

Trigger events, tail logs, and forward webhooks to localhost.

Quickstart

Your first charge in 60 seconds

Install the SDK, authenticate with one key, and create a payment.

Get your keys →

// npm i clearflow
import ClearFlow from 'clearflow'
const cf = new ClearFlow(process.env.CF_KEY)

const intent = await cf.payments.create({
  amount: 4200, currency: 'usd',
  automatic_methods: true
})

Build with Clear Flow

Grab an API key and make your first call in the next five minutes.

Get API keys → Book a demo