Block, Inc. is a global technology company building economic empowerment tools through a family of products including Square (commerce and payments), Cash App (personal finance and investing), Afterpay (buy now pay later), TIDAL (music streaming), and Spiral (open-source Bitcoin development). The Square API enables developers to build commerce applications with payment processing, order management, catalog, customer engagement, and business operations capabilities.
RESTful API for building commerce applications on the Square platform. Provides payment processing, order management, catalog management, customer profiles, loyalty programs, in...
Square API — Customers. 2 operations. Lead operation: Block Square List Customers. Self-contained Naftiko capability covering one Block business surface.
Square API — Merchants. 1 operations. Lead operation: Block Square List Locations. Self-contained Naftiko capability covering one Block business surface.
Square API — Payments. 3 operations. Lead operation: Block Square List Payments. Self-contained Naftiko capability covering one Block business surface.
aid: block
url: https://raw.githubusercontent.com/api-evangelist/block/refs/heads/main/apis.yml
name: Block
description: Block, Inc. is a global technology company building economic empowerment tools through a family of products including
Square (commerce and payments), Cash App (personal finance and investing), Afterpay (buy now pay later), TIDAL (music streaming),
and Spiral (open-source Bitcoin development). The Square API enables developers to build commerce applications with payment
processing, order management, catalog, customer engagement, and business operations capabilities.
tags:
- Commerce
- Cryptocurrency
- eCommerce
- Fintech
- Payments
- Point Of Sale
- Square
type: Index
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
access: 3rd-Party
created: '2024-09-27'
modified: '2026-05-19'
position: Consuming
specificationVersion: '0.19'
apis:
- aid: block:block-square-api
name: Square API
description: RESTful API for building commerce applications on the Square platform. Provides payment processing, order management,
catalog management, customer profiles, loyalty programs, invoicing, and merchant operations. Supports OAuth 2.0 and personal
access token authentication. Available in sandbox and production environments.
humanURL: https://developer.squareup.com/
tags:
- Commerce
- eCommerce
- Payments
- Point Of Sale
- Square
properties:
- type: Documentation
url: https://developer.squareup.com/docs
- type: OpenAPI
url: openapi/block-square-api-openapi.yaml
- type: SpectralRules
url: rules/block-spectral-rules.yml
- type: Vocabulary
url: vocabulary/block-vocabulary.yaml
- type: NaftikoCapability
url: capabilities/square-catalog.yaml
- type: NaftikoCapability
url: capabilities/square-customers.yaml
- type: NaftikoCapability
url: capabilities/square-merchants.yaml
- type: NaftikoCapability
url: capabilities/square-orders.yaml
- type: NaftikoCapability
url: capabilities/square-payments.yaml
common:
- type: LinkedIn
url: https://www.linkedin.com/company/joinblock
- type: Website
url: https://www.block.xyz
- type: Documentation
url: https://developer.squareup.com/docs
- type: GettingStarted
url: https://developer.squareup.com/docs/get-started
- type: Pricing
url: https://squareup.com/us/en/payments/our-rates
- type: StatusPage
url: https://www.issquareup.com/
- type: Support
url: https://developer.squareup.com/forums
- type: GitHubOrganization
url: https://github.com/square
- type: TermsOfService
url: https://squareup.com/us/en/legal/developer
- type: PrivacyPolicy
url: https://squareup.com/us/en/legal/privacy
- type: Login
url: https://developer.squareup.com/apps
- type: SDK
url: https://developer.squareup.com/docs/sdks
title: Square SDKs
- type: SpectralRules
url: rules/block-spectral-rules.yml
- type: Vocabulary
url: vocabulary/block-vocabulary.yaml
- type: Features
data:
- name: Payment Processing
description: Accept card-present and card-not-present payments using Square hardware, web, or mobile SDKs with OAuth 2.0
or access token authentication.
- name: Order Management
description: Create, update, and fulfill orders with line items, discounts, taxes, and service charges across online and
in-person channels.
- name: Catalog Management
description: Manage a unified product catalog with items, variations, modifiers, categories, taxes, and discounts synchronized
across all locations.
- name: Customer Engagement
description: Build customer profiles, loyalty programs, gift cards, and marketing campaigns to drive repeat business and
customer retention.
- name: Multi-Location Support
description: Manage multiple business locations with location-specific inventory, pricing, staff permissions, and reporting.
- name: Webhook Events
description: Subscribe to real-time webhook events for payments, orders, inventory changes, customer activity, and subscription
lifecycle events.
- name: Sandbox Environment
description: Full sandbox environment with test card numbers, merchant accounts, and simulated hardware for development
and testing.
- type: UseCases
data:
- name: Point of Sale Integration
description: Retailers and restaurants build custom POS applications using Square's payment, catalog, and order APIs.
- name: eCommerce Checkout
description: Online stores integrate Square's Web Payments SDK and Orders API to accept payments and manage fulfillment.
- name: Marketplace Payments
description: Multi-seller marketplaces use Square Connect to route payments to sellers and manage fees through the Payouts
API.
- name: Subscription Billing
description: SaaS and service businesses use Square Subscriptions API for automated recurring billing and invoice management.
- name: Loyalty and Rewards
description: Businesses implement custom loyalty programs using the Loyalty API to track points, tiers, and reward redemptions.
- type: Integrations
data:
- name: WooCommerce
description: Official Square extension for WooCommerce synchronizes inventory, products, and payments between WordPress
stores and Square.
- name: BigCommerce
description: Square integration for BigCommerce enables omnichannel selling with synchronized catalog and unified payment
processing.
- name: Xero
description: Square-Xero integration automatically syncs sales transactions and payments to Xero accounting for reconciliation.
- name: QuickBooks
description: Square connector for QuickBooks Online syncs sales, refunds, and fees to QuickBooks for financial reporting.
maintainers:
- FN: Kin Lane
email: [email protected]