Sezzle

Sezzle API v1

The legacy Sezzle v1 API for merchants. Supports checkout creation and order completion via redirect-based flow. Deprecated in favor of v2; existing integrations are encouraged to migrate to v2.

GitHub

Documentation

📖
Documentation
https://docs.sezzle.com/docs/api/v1/v1

Other Resources

🔗
Sandbox
https://sandbox.gateway.sezzle.com/v1

API entry from apis.yml

apis.yml Raw ↑ 
name: Sezzle API v1
description: The legacy Sezzle v1 API for merchants. Supports checkout creation and order completion via
  redirect-based flow. Deprecated in favor of v2; existing integrations are encouraged to migrate to v2.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
humanURL: https://docs.sezzle.com/docs/api/v1/v1
baseURL: https://gateway.sezzle.com/v1
tags:
- Payments
- Checkout
- Legacy
properties:
- type: Documentation
  url: https://docs.sezzle.com/docs/api/v1/v1
- type: Sandbox
  url: https://sandbox.gateway.sezzle.com/v1
contact:
- FN: Sezzle Merchant Support
  url: https://merchant-help.sezzle.com
  email: ''