Square
Square provides APIs for payment processing, point of sale, and business management solutions enabling developers to build custom commerce applications.
Square publishes 42 APIs on the APIs.io network, including ApplePay API, BankAccounts API, BookingCustomAttributes API, and 39 more. Tagged areas include Restaurant, Bookings, Catalog, Checkout, and Customers.
The Square catalog on APIs.io includes 1 event-driven AsyncAPI specification, 1 JSON-LD context, and 3 Spectral governance rulesets.
Square’s developer surface includes authentication, developer portal, documentation, API reference, getting-started guide, changelog, sandbox, and 87 more developer resources.
Kin Score
Kin Score
How this is scored →scored 2026-07-28 · rubric v0.6
APIs 45
Individual APIs this provider publishes, each with its own machine-readable definition.
Square Reporting API
The Reporting API (Beta) provides a new way to access all of a business's data to build custom reports and integrations, surfacing sales, payments, and operational metrics acros...
Square Channels API
The Channels API lets applications represent and manage the sales channels through which a seller transacts, enabling attribution of orders and payments to specific online or in...
Square Transfer Orders API
The Transfer Orders API lets applications create and manage transfers of inventory stock between a seller's locations, supporting multi-location retail and restaurant operations.
Square ApplePay API
The ApplePay API from Square — 1 operation(s) for applepay.
Square BankAccounts API
The BankAccounts API from Square — 3 operation(s) for bankaccounts.
Square BookingCustomAttributes API
The BookingCustomAttributes API from Square — 6 operation(s) for bookingcustomattributes.
Square Bookings API
The Bookings API from Square — 11 operation(s) for bookings.
Square Cards API
The Cards API from Square — 3 operation(s) for cards.
Square CashDrawers API
The CashDrawers API from Square — 3 operation(s) for cashdrawers.
Square Catalog API
The Catalog API from Square — 13 operation(s) for catalog.
Square Checkout API
The Checkout API from Square — 5 operation(s) for checkout.
Square CustomerCustomAttributes API
The CustomerCustomAttributes API from Square — 5 operation(s) for customercustomattributes.
Square CustomerGroups API
The CustomerGroups API from Square — 2 operation(s) for customergroups.
Square Customers API
The Customers API from Square — 10 operation(s) for customers.
Square CustomerSegments API
The CustomerSegments API from Square — 2 operation(s) for customersegments.
Square Devices API
The Devices API from Square — 4 operation(s) for devices.
Square Disputes API
The Disputes API from Square — 8 operation(s) for disputes.
Square Employees API
The Employees API from Square — 2 operation(s) for employees.
Square Events API
The Events API from Square — 4 operation(s) for events.
Square GiftCardActivities API
The GiftCardActivities API from Square — 1 operation(s) for giftcardactivities.
Square GiftCards API
The GiftCards API from Square — 6 operation(s) for giftcards.
Square Inventory API
The Inventory API from Square — 13 operation(s) for inventory.
Square Invoices API
The Invoices API from Square — 7 operation(s) for invoices.
Square Labor API
The Labor API from Square — 11 operation(s) for labor.
Square LocationCustomAttributes API
The LocationCustomAttributes API from Square — 6 operation(s) for locationcustomattributes.
Square Locations API
The Locations API from Square — 2 operation(s) for locations.
Square Loyalty API
The Loyalty API from Square — 16 operation(s) for loyalty.
Square MerchantCustomAttributes API
The MerchantCustomAttributes API from Square — 6 operation(s) for merchantcustomattributes.
Square Merchants API
The Merchants API from Square — 2 operation(s) for merchants.
Square MobileAuthorization API
The MobileAuthorization API from Square — 1 operation(s) for mobileauthorization.
Square OAuth API
The OAuth API from Square — 3 operation(s) for oauth.
Square OrderCustomAttributes API
The OrderCustomAttributes API from Square — 6 operation(s) for ordercustomattributes.
Square Orders API
The Orders API from Square — 7 operation(s) for orders.
Square Payments API
The Payments API from Square — 5 operation(s) for payments.
Square Payouts API
The Payouts API from Square — 3 operation(s) for payouts.
Square Refunds API
The Refunds API from Square — 2 operation(s) for refunds.
Square Sites API
The Sites API from Square — 1 operation(s) for sites.
Square Snippets API
The Snippets API from Square — 1 operation(s) for snippets.
Square Subscriptions API
The Subscriptions API from Square — 11 operation(s) for subscriptions.
Square Team API
The Team API from Square — 8 operation(s) for team.
Square Terminal API
The Terminal API from Square — 15 operation(s) for terminal.
Square Transactions API
The Transactions API from Square — 4 operation(s) for transactions.
Square V1Transactions API
The V1Transactions API from Square — 2 operation(s) for v1transactions.
Square Vendors API
The Vendors API from Square — 6 operation(s) for vendors.
Square WebhookSubscriptions API
The WebhookSubscriptions API from Square — 5 operation(s) for webhooksubscriptions.
Scroll for all 45
Postman Collections 42
Ready-to-run Postman collections for exercising this provider's APIs.
Square ApplePay API
POSTMANSquare ApplePay Bookings API
POSTMANSquare ApplePay Cards API
POSTMANSquare ApplePay Catalog API
POSTMANSquare ApplePay Checkout API
POSTMANSquare ApplePay Devices API
POSTMANSquare ApplePay Disputes API
POSTMANSquare ApplePay Events API
POSTMANSquare ApplePay Invoices API
POSTMANSquare ApplePay Labor API
POSTMANSquare ApplePay Loyalty API
POSTMANSquare ApplePay OAuth API
POSTMANSquare ApplePay Orders API
POSTMANSquare ApplePay Payments API
POSTMANSquare ApplePay Payouts API
POSTMANSquare ApplePay Refunds API
POSTMANSquare ApplePay Sites API
POSTMANSquare ApplePay Snippets API
POSTMANSquare ApplePay Team API
POSTMANSquare ApplePay Terminal API
POSTMANSquare ApplePay Vendors API
POSTMANScroll for all 42
Open Collections 1
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Square
OPEN COLLECTIONMCP Servers 1
Model Context Protocol servers that expose these APIs to AI agents.
MCP Server
MCP SERVERGraphQL 1
GraphQL schemas published by this provider.
Square GraphQL Schema
This conceptual GraphQL schema models the Square payments and commerce platform. Square provides APIs for payment processing, point of sale, catalog management, inventory, custo...
GRAPHQLPricing Plans 1
Published pricing tiers and plan structures.
Square Plans Pricing
PLANSRate Limits 1
Documented rate limits and quota policies.
Square Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Square Finops
FINOPSFeatures 16
Notable capabilities this provider offers.
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Event Specifications 1
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Square Webhooks
AsyncAPI 2.6 description of the Square webhook event surface. Square delivers HTTPS POST notifications to a subscriber-provided `notification_url` whenever an event occurs on a ...
ASYNCAPISemantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Square Context
JSON-LDSpectral Rules 3
Spectral governance rulesets for linting and validating these APIs.
JSON Schema 7
Standalone JSON Schema definitions for this provider's data models.
Square Catalog Item
JSON SCHEMASquare Customer
JSON SCHEMASquare Location
JSON SCHEMASquare Money
JSON SCHEMASquare Order
JSON SCHEMASquare Payment
JSON SCHEMASquare Subscription
JSON SCHEMAScroll for all 7
JSON Structure 7
JSON Structure definitions describing this provider's data shapes.
Catalog Item Structure
JSON STRUCTURECustomer Structure
JSON STRUCTURELocation Structure
JSON STRUCTUREMoney Structure
JSON STRUCTUREOrder Structure
JSON STRUCTUREPayment Structure
JSON STRUCTURESubscription Structure
JSON STRUCTUREScroll for all 7
Examples 7
Example request and response payloads for these APIs.
Catalog Item Example
EXAMPLECustomer Example
EXAMPLELocation Example
EXAMPLEMoney Example
EXAMPLEOrder Example
EXAMPLEPayment Example
EXAMPLESubscription Example
EXAMPLEScroll for all 7
Security Posture 3
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Scopes 1
OAuth scopes governing access to this provider's APIs.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Use Cases 11
What developers build with this provider.
Accept Payments Online
Build Custom POS Systems
Manage Product Catalogs
Track Inventory Across Locations
Create Loyalty and Rewards Programs
Send and Manage Invoices
Schedule Appointments and Bookings
Manage Team Members and Labor
Process Refunds and Disputes
Sell Gift Cards
Set Up Recurring Subscriptions
Scroll for all 11
Integrations 8
Pre-built integrations with other platforms and tools.
Apple Pay
Google Pay
Cash App Pay
Afterpay
QuickBooks
WooCommerce
Wix
BigCommerce
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Resources
Get Started 8
Portal, sign-up, and the first successful call
Scroll for all 8
Documentation 15
Reference material describing how the API behaves
Scroll for all 15
Agent Surfaces 3
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 14
Pagination, idempotency, versioning, errors, and events
Scroll for all 14
Build 31
SDKs, sample code, and the tooling you integrate with
Scroll for all 31
Access & Security 5
Authentication, authorization, and security posture
Operate 9
Status, limits, changes, and where to get help
Scroll for all 9
Commercial 5
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API
Other 1
Properties that don't map to a standard resource type