> ## Documentation Index
> Fetch the complete documentation index at: https://docs.revolv3.com/llms.txt
> Use this file to discover all available pages before exploring further.

# API Reference

> Explore the Revolv3 API Reference. Learn about available endpoints, authentication, environments, and how to integrate payments using our REST APIs.

# Revolv3 API Reference

Welcome to the **Revolv3 API Reference**.\
Here you’ll find complete documentation for every endpoint in our platform — including request parameters, response formats, authentication, and error handling.

Our APIs are designed to be **RESTful, predictable, and secure**, making it easy to integrate payment processing into your applications.

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## What’s Included

* **Authentication** → Use merchant access tokens for secure requests.
* **Payments & Orders** → Create, capture, and manage transactions.
* **Subscriptions & Invoices** → Automate recurring billing workflows.
* **Webhooks** → Stay in sync with real-time payment events.
* **Error Responses** → Understand and troubleshoot failed requests.

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## Environments

* **Production** → `api.revolv3.com`
* **Sandbox** → `api-sandbox.revolv3.com`

We recommend building and testing in the sandbox environment before moving to production.

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## How to Use This Reference

1. Browse the left sidebar for available endpoints.
2. Review request/response examples to understand payloads.
3. Copy endpoint paths and implement them in your application.

⚠️ Note: This API reference is for **documentation only**.\
Interactive requests (“try it out” calls) are not enabled.

***

## Next Steps

* Start with [Authentication & Tokens](/docs/authentication-security/merchant-access-token).
* Review [Error Responses](/docs/error-codes/error-responses).
* Explore [Guides](/docs/getting-started) for step-by-step integration help.