# Visa Accept Service B2B APIs

\
[Start a Project](https://developer.visa.com/portal/#users/new) \
[API Overview](https://developer.visa.com/capabilities/visa-accept) \
[API Reference](https://developer.visa.com/capabilities/visa-accept/reference)

- [Getting Started](https://developer.visa.com/capabilities/visa-accept/docs-getting-started)
- [Things to Know](https://developer.visa.com/capabilities/visa-accept/things-to-know)
- [How to Use](https://developer.visa.com/capabilities/visa-accept/how-to-use)
- [Authentication Methods](https://developer.visa.com/capabilities/visa-accept/authentication-methods)
- [Error Codes](https://developer.visa.com/capabilities/visa-accept/error-codes)
- [Visa Accept Product Terms](https://developer.visa.com/capabilities/visa-accept/visa-accept-product-terms)

## Authentication Methods

#### Standard VDP Authentication

Visa Accept Service B2B APIs uses standard Visa Developer Portal authentication methods.

Choose your authentication method:

- [Two-Way SSL (Mutual TLS)](https://developer.visa.com/pages/working-with-visa-apis/two-way-ssl)
- [X-Pay Token Authentication](https://developer.visa.com/pages/working-with-visa-apis/x-pay-token)

No additional authentication procedures are currently required beyond standard Visa Developer Platform authentication.