Build with Meridian

Make your first API call and accept a test payment in under 5 minutes.

Learn how API keys work and how to keep your credentials secure.

Use test API keys and test card numbers to simulate payments safely.

Accept one-time and recurring payments globally with 135+ currencies.

Build subscription billing with trials, upgrades, and proration.

Send money to bank accounts, debit cards, and digital wallets.

Receive real-time event notifications when activity occurs in your account.

Machine learning–based fraud detection that adapts to your business.

PCI DSS Level 1, SOC 2 Type II, and regional regulatory coverage.

Official SDK for Node.js and browser environments.

Supports Python 3.8+ with async/await compatibility.

Full-featured Ruby gem with Rails middleware included.

Idiomatic Go client with context support and retries.

Maven and Gradle compatible. Supports Java 8+.

Full reference for every endpoint, parameter, and response object.