Deprecated resources
Last updated: June 29, 2026
The resources listed here are deprecated. Information on these reference pages is to support customers with existing integrations only. For new integrations or users interested in upgrading, use our current offerings.
| Deprecated | Current | Upgrade benefits | | Billing Agreements | Subscriptions | - Manage all your subscriptions in a single payment hub both on web and on mobile.
- Choose how your buyers can pay: credit card, debit card, PayPal balance, bank.
- Change financial instrument at any time after initial signup.
- Cancelation of subscriptions from the hub.
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| Billing Plans | Subscriptions | - Manage all your subscriptions plans in a single payment hub both on web and on mobile.
- Choose how your buyers can pay for plans: credit card, debit card, PayPal balance, bank.
- Change financial instrument for a subscription at any time after initial signup.
- Cancelation of subscriptions from the hub.
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| Invoicing v1 | Invoicing v2 | - Invoicing V2 API aligns with common components of other PayPal API's, helping those of you who integrate more than one PayPal products reuse components.
- Integrated Sign-Up (ISU) enables ecommerce platforms and merchant service providers to connect with PayPal's merchants and take authorized actions on their behalf.
- Improved error messaging helps you fix errors yourself, reducing time you might spend at PayPal Customer Support.
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| Partner Referrals v1 | Partner Referrals v2 | - Better validation of request data.
- Better Error Messages for easy debug and integration.
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| Payments v1 | Payments v2 | - Synchronous payment mechanics bring you real-time payments completion.
- More payment methods available
- Better integration with Vault to support purchase-with-vaulting type scenarios.
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