For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
GuidesAPI Reference
GuidesAPI Reference
    • Welcome
  • Product Overview
    • How Cash App Pay Works
    • Cash App Pay on Desktop and POS Devices
    • Cash App Pay on Mobile Devices
  • Partnerships
    • Partner with Cash App Pay
    • Partner Onboarding Requirements
    • Merchant Use Policy
    • Program Rules
  • Technical Guides
    • Cash App Pay Integration Basics
  • Resources
    • Cash App Pay Assets
    • Glossary of Terms
    • Cash App Pay Status
  • Pay Kit SDK
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On this page
  • Partner deliverables
  • Cash App Pay for merchants
Partnerships

Partner with Cash App Pay

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Partner Onboarding Requirements

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Built with

Cash App Pay partners with Payment Service Providers (PSPs) and select e-commerce platforms.

To integrate with Cash App Pay, prospective partners must go through an approval process, where we determine your goals and requirements. Once you’re approved, we provision a developer account for you.

For information on how to partner with Cash App Pay, please reach out to the Cash App Pay Partner Engineering Team.

Partner deliverables

Cash App Pay’s Partner Engineering team will configure and provide you with the following:

  • Developer account: A developer account with the account configuration details that you provided
  • API access: A Client ID and API Key that allow you to access our APIs
    • ClientID: A short application identifier that Cash App Pay uses to attribute API calls to your integration
    • API Key (Client Secret): A long lived secret token that should be stored and transferred securely. Never check it into source control.

Cash App Pay for merchants

Important
This documentation is intended for developers at PSPs and e-commerce platforms. If you’re a merchant looking to integrate with Cash App Pay or Afterpay, please see the Afterpay documentation.

To add Cash App Pay as a payment method, merchants should sign up with Afterpay. This gives merchants access to both Cash App Pay and Afterpay.

The following PSPs currently support Cash App Pay:

  • Square
  • Afterpay
  • Stripe
  • Adyen

Merchants can also accept Cash App Pay using the following e-commerce platforms:

  • Shopify
  • Magento (Adobe Commerce)
  • Salesforce Commerce Cloud