Square Cards API
The Cards API from Square — 3 operation(s) for cards.
Square Cards API is one of 45 APIs that Square publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.
Tagged areas include Cards. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and an AsyncAPI specification.
This API exposes 4 operations across 3 paths, and defines 16 schemas. It is described by OpenAPI 3.2.0, at version 2.0.
Requests are made against a single base URL, https://connect.squareup.com.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 2
Square Cards API declares
2 security schemes
for authenticating requests.
It supports OAuth 2.0 (oauth2) using the authorizationCode flow, exposing 57 scopes.
An API key is passed in the header as Authorization (oauth2ClientSecret).
Paths & Operations 4
Across 3 paths, the API surfaces 4 operations — 2 GET, 2 POST. Each is listed below with its method, path, parameters, and response codes.
Schemas 16
The contract defines 16 schemas that model the data the API accepts and returns. The most detailed are Card (17 properties), Address (14 properties), CreateCardRequest (4 properties), Error (4 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Square 12
Other APIs Square publishes across the network.
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