We recommend using the Square API (V2) for all new development when possible. See When to use Connect V1 to learn more about working with V1 endpoints.
Square API
View older Connect APIs, endpoints, and webhooks that have been deprecated and replaced with newer versions in the Square API.
We recommend using the Square API (V2) for all new development when possible. See When to use Connect V1 to learn more about working with V1 endpoints.