---
updatedAt: 2026-05-27T16:51:02.000Z
agentTools:
  siteIndex: https://docs.affirm.com/llms.txt
  projectIndex: https://docs.affirm.com/developers/llms.txt
---

# Merchant Security

Learn how to securely use Affirm's services with best practices for protecting sensitive data and establishing secure communications.

## Overview

Security is paramount at Affirm. For guidance on secure communications and adherence to security best practices, please refer to the pages listed under the “Security Resources” section.

## Security Resources

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      <strong class="card__heading" style="font-size:24px">Secure Communications</strong>
      <br>
      <p class="card__description">Establish secure connections between your customers and your servers.</p>
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      <strong class="card__heading" style="font-size:24px">Security Best Practices</strong>
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      <p class="card__description">Guidelines for merchants to proactively protect sensitive data when using our services.</p>
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# Sub pages

* [Secure Communications](https://docs.affirm.com/developers/docs/development-security.md)
* [Security Best Practices](https://docs.affirm.com/developers/docs/security-best-practices.md)

# Sibling pages

* [Planning Considerations](https://docs.affirm.com/developers/docs/planning-considerations.md)
* [Billing and Shipping Addresses](https://docs.affirm.com/developers/docs/merchant-supplied-billing-and-shipping-addresses.md)
* [API Keys](https://docs.affirm.com/developers/docs/api-keys.md)
* [System Performance](https://docs.affirm.com/developers/docs/performance.md)
* [Supported Web Browsers](https://docs.affirm.com/developers/docs/supported-browsers.md)
* [Identify Potential Fraud with Affirm Travel Signals](https://docs.affirm.com/developers/docs/decrease-fraud-with-affirm-travel-signals.md)
* [Additional Integration Requirements](https://docs.affirm.com/developers/docs/additional-integration-requirements.md)
* [Test and Go-Live](https://docs.affirm.com/developers/docs/partner-test-and-go-live.md)
* [Partner Test and Go-Live](https://docs.affirm.com/developers/docs/partner-test-and-go-live-1.md)