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: kin@apievangelist.com