Sync data using the events API

What you’ll build

Before you start, make sure you have the following in place:

• A Paycux account with access to the project you are configuring.
• An API key for the environment you are working in. Staging keys start with sk_test_; production keys start with sk_live_.
• Admin access on the system you are connecting, so you can create the application and read its metadata.
• A redirect URI registered in the Paycux dashboard under Developer → Redirects.

Before getting started

Sync data using the events API is part of the Paycux platform. This page explains what it does, when to reach for it, and the smallest working setup you can ship.

Everything below applies to both environments. Build and test in staging, then promote the same configuration to production without changing your code — only the API key and client ID differ.

Integrate the events API SDK

Official SDKs are published for Node.js, Python, Ruby, Go, PHP, Java and .NET. They share the same method names, so a snippet translates between languages with little more than syntax changes.

Each SDK reads PAYCUX_API_KEY from the environment by default and retries idempotent requests on transport errors.

Set secrets

Vault stores secrets encrypted with a key that never leaves the key manager. Your application sends plaintext and receives a ciphertext handle; the plaintext is never written to disk.

Keys can be Paycux-managed or supplied by the customer. Customer-managed keys let a customer revoke access to their own data without involving you.

Start consuming events

Start consuming events is handled by Sync data using the events API rather than by your application code. Paycux exposes it through the same API surface as the rest of the platform, so the client you already configured needs no additional setup.

Configuration lives in the dashboard and is versioned per environment. Change it in staging, confirm the behaviour, then apply the same change to production.

Keep a cursor

Keep a cursor is handled by Sync data using the events API rather than by your application code. Paycux exposes it through the same API surface as the rest of the platform, so the client you already configured needs no additional setup.

Configuration lives in the dashboard and is versioned per environment. Change it in staging, confirm the behaviour, then apply the same change to production.

Avoid overwriting newer data

Avoid overwriting newer data is handled by Sync data using the events API rather than by your application code. Paycux exposes it through the same API surface as the rest of the platform, so the client you already configured needs no additional setup.

Configuration lives in the dashboard and is versioned per environment. Change it in staging, confirm the behaviour, then apply the same change to production.

Select event types

Select event types is handled by Sync data using the events API rather than by your application code. Paycux exposes it through the same API surface as the rest of the platform, so the client you already configured needs no additional setup.

Configuration lives in the dashboard and is versioned per environment. Change it in staging, confirm the behaviour, then apply the same change to production.