API Builder
The API Builder lets you create custom integrations with any REST API — even those not natively supported by Vantage. You design the integration using a step-by-step wizard, and the result becomes a reusable workflow node you can drop into any workflow.
In This Section
| Page | What You'll Learn |
|---|---|
| Overview | Who the API Builder is for, how the 4-step wizard works, and how to access it |
| REST API Fundamentals | HTTP methods, URLs, authentication, parameters, and JSON — the concepts behind every field in the wizard |
| Finding API Documentation | Where to find base URLs, auth requirements, and sample responses before you start building |
| Wizard Walkthrough | Step-by-step guide through the 4-step wizard, with the why behind each design decision |
| JSON Response Parser | Deep dive into the response mapping system — the most powerful part of the builder |
| Examples | Three complete real-world integrations built from scratch |
| Troubleshooting & Glossary | Common issues, root causes, and a quick-reference glossary of all technical terms |