# Integration Options This guide is designed for developers at various levels of experience to get their payments offering up and going quickly. As such, we offer various integration options. You're free to mix and match depending on your needs. ![](/files/-MRp1dvKPdYSL3BLn1ce) This documentation is designed to help developers get started with the API and integrate our payment processing tools into their applications. Here are some of the topics you'll find in this documentation: * Getting started: Learn how to sign up for an account and obtain your API key * Secure Fields: Integrate our Secure Fields tool into your application to securely collect sensitive payment information from your customers * Payment processing: Use our API to process payments, manage subscriptions, and handle recurring payments * Webhooks: Use webhooks to receive notifications when payments are processed or when other events occur * Testing and debugging: Use our test environment and debugging tools to ensure that your integration is working correctly Explore the documentation to learn more about the full capabilities of the API. If you have any questions, don't hesitate to reach out to our support team. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.payengine.co/developer-docs/integration-options.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.