Square MCP
for AI agents

• accept_dispute write

  Accept Dispute

  Accept a dispute and acknowledge liability, returning funds to the cardholder. When you accept a dispute, Square debits the disputed amount from your account and updates the dispute state to ACCEPTED. This action is irreversible - once accepted, a dispute cannot be challenged. Only use after reviewing all evidence and determining that challenging the dispute is not viable. Note: Requires DISPUTES_WRITE permission scope.

• add_group_to_customer write

  Add Group to Customer

  Tool to add a customer to a customer group. Use when you need to associate a customer with a specific group for targeted marketing, loyalty programs, or customer segmentation.

• calculate_order read

  Calculate Order

  Tool to preview order pricing without creating an order. Use when you need to calculate the total cost, taxes, discounts, and other pricing details for an order before finalizing it. Particularly useful for integrating rewards, discounts, and complex pricing scenarios.

• cancel_booking write

  Cancel Booking

  Cancels an existing Square booking, terminating the reservation. Use this action when a customer or seller needs to cancel a scheduled appointment. The booking must be in a cancellable state, and the cancellation will update the booking status accordingly. This action is irreversible - once a booking is cancelled, it cannot be restored and must be rebooked if needed. Use the booking_version parameter to ensure safe concurrent updates.

• cancel_invoice write

  Cancel Invoice

  Cancels a Square invoice, preventing further payments from being collected. Requirements: - Invoice must be in SCHEDULED, UNPAID, or PARTIALLY_PAID state - Cannot cancel invoices in DRAFT state or terminal states (PAID, REFUNDED, CANCELED, FAILED) - Requires INVOICES_WRITE and ORDERS_WRITE OAuth scopes - Version number must match the current invoice version to prevent conflicts After cancellation, the associated order status is set to CANCELED and webhook events are triggered.

• cancel_payment write

  Cancel Payment

  Cancels (voids) a payment that is in APPROVED status. This is typically used in delayed capture scenarios where a payment was authorized but not yet captured, allowing you to void the authorization before settlement. Important: Only payments with APPROVED status can be canceled. Attempting to cancel a payment in any other status (COMPLETED, PENDING, CANCELED, FAILED) will result in an error. Once canceled, the payment status changes to CANCELED and the card details status changes to VOIDED. Required permissions: PAYMENTS_WRITE

• create_batch_inventory_changes write

  Batch Create Inventory Changes

  Applies multiple inventory adjustments and physical counts in a single batch request. Returns the created changes and current inventory counts for all affected items. Use this action when you need to update inventory quantities for multiple items or locations at once, either through physical stock counts or adjustments (e.g., receiving stock, recording waste, or correcting discrepancies). Supports up to 100 inventory changes per request. Each change can be either a PHYSICAL_COUNT (setting absolute quantity) or an ADJUSTMENT (modifying quantity with state transitions). The ignore_unchanged_counts parameter controls whether calculated counts are returned in the response.

• create_bulk_customers write

  Create Bulk Customers

  Tool to create multiple customer profiles in a single request. Use when you need to efficiently create up to 100 customers at once. Each customer is identified by a unique idempotency key.

• create_card write

  Create Card

  Tool to create a card on file. Use when you need to securely store a customer's card for future payments. Requires a valid nonce or payment ID.

• create_customer write

  Create Customer

  Tool to create a new customer profile in Square. Use when you need to add a customer to the Square account. At least one of given_name, family_name, company_name, email_address, or phone_number is required.

• create_customer_custom_attribute_definition write

  Create Customer Custom Attribute Definition

  Tool to create a customer-related custom attribute definition. Use when you need to define a new custom attribute that can be applied to customer profiles. Custom attributes allow storing additional structured data on customers beyond the standard fields.

• create_customer_group write

  Create Customer Group

  Tool to create a new customer group for a business. Use when you need to organize customers into groups for targeted marketing or segmentation.

• create_dispute_evidence_file write

  Create Dispute Evidence File

  Tool to upload a file as dispute evidence. Use when you need to attach supporting documents (PDF, image, etc.) to an existing dispute. Use after creating or retrieving a dispute.

• create_dispute_evidence_text write

  Create Dispute Evidence Text

  Upload text evidence for a dispute challenge. Use this to submit textual information (up to 500 characters) that supports your case in a payment dispute. After uploading all evidence, you must call SubmitEvidence to finalize the dispute challenge. Endpoint: POST /v2/disputes/{dispute_id}/evidence-text

• create_gift_card_activity write

  Create Gift Card Activity

  Creates a gift card activity to manage gift card balances. This action supports multiple activity types including ACTIVATE (initiate a gift card with an opening balance), LOAD (add funds), REDEEM (withdraw funds), CLEAR_BALANCE (set balance to zero), DEACTIVATE (permanently block), ADJUST_INCREMENT/ADJUST_DECREMENT (manual adjustments), REFUND (restore funds from refunds), and others. Use this action when you need to modify a gift card's balance or state. Each activity type requires specific details in the corresponding activity_details field (e.g., activate_activity_details for ACTIVATE type). Either gift_card_id or gift_card_gan must be provided to identify the target gift card. Important: DEACTIVATE and CLEAR_BALANCE are destructive operations - DEACTIVATE permanently blocks the card from future balance changes, and CLEAR_BALANCE sets the balance to zero.

• create_invoice_attachment write

  Create Invoice Attachment

  Upload and attach a file to a Square invoice. Use this action to add supplementary documents (receipts, contracts, supporting documentation) to an existing invoice. Attachments can only be added to invoices in DRAFT, SCHEDULED, UNPAID, or PARTIALLY_PAID state. Square supports up to 10 attachments per invoice with a combined maximum size of 25 MB in production (1 KB in Sandbox). Supported file formats: GIF, JPEG, PNG, TIFF, BMP, PDF. Creating an attachment increments the invoice version and triggers an invoice.updated webhook event.

• create_location write

  Create Location

  Tool to create a new business location in a Square account. Use when you need to add a new physical or mobile location for the merchant.

• create_location_custom_attribute_definition write

  Create Location Custom Attribute Definition

  Tool to create a location-related custom attribute definition. Use when you need to define new custom attributes for Square location objects to store additional business-specific data.

• create_order write

  Create Order

  Creates a new Square order with line items, taxes, discounts, and fulfillment details. Use this action when you need to create an order for processing payments or tracking sales. The created order will have a state of DRAFT or OPEN depending on the configuration. Each line item must have a quantity and either a catalog_object_id (for catalog items) or both name and base_price_money (for custom items). You can optionally include taxes, discounts, service charges, and fulfillment information. Use when: Creating a new order for a customer transaction, building a cart for checkout, or initiating a sales order workflow.

• create_refund write

  Create Refund

  Refunds a Square payment in full or partially. Use this action when you need to return funds to a customer for a completed payment, such as for returned products, cancelled services, or billing errors. The refund amount cannot exceed the original payment total minus any prior refunds.

• create_team_member write

  Create Team Member

  Tool to create a new team member in Square. Creates a team member profile that can be used to assign permissions and track employee data. Use when you need to add a new employee or staff member to the Square account. The team member can then be assigned to locations and given access to Square products like Point of Sale. Requires given_name and family_name at minimum. Optionally specify email, phone, status (ACTIVE/INACTIVE), and location assignments.

• delete_catalog_object write

  Delete Catalog Object

  Tool to delete a Square catalog object by ID. When an object is deleted, other objects in the graph that depend on that object will be deleted as well (cascading deletion). Use this action when you need to permanently remove a catalog item, category, modifier, or other catalog object from Square. This action is irreversible — the catalog object cannot be recovered once deleted. Note: Only one delete request is processed at a time per seller account.

• delete_catalog_objects_batch write

  Delete Catalog Objects (Batch)

  Deletes a set of CatalogObjects based on a list of target object IDs and returns a set of successfully deleted IDs in the response. Deletion is a cascading event such that all children of the targeted object are also deleted. Use this action when you need to remove multiple catalog objects (items, categories, modifiers, etc.) at once. This action is irreversible — the catalog objects cannot be recovered once deleted.

• delete_customer write

  Delete Customer

  Tool to delete a Square customer profile. Use when you need to permanently remove a customer record from Square.

• delete_customer_custom_attribute write

  Delete Customer Custom Attribute

  Tool to delete a custom attribute from a customer profile. Use when you need to remove custom data associated with a specific customer. Requires the CUSTOMERS_WRITE OAuth permission scope.

• delete_customer_custom_attribute_definition write

  Delete Customer Custom Attribute Definition

  Tool to delete a customer-related custom attribute definition. Use when you need to remove a custom attribute definition that is no longer needed. This action requires CUSTOMERS_WRITE permission.

• delete_customer_group write

  Delete Customer Group

  Tool to delete a customer group by its ID. Use when you need to permanently remove a customer group from Square.

• delete_customers_bulk write

  Bulk Delete Customers

  Tool to bulk delete customer profiles from Square. Use when you need to delete multiple customer profiles at once (1-100 customers per request). Each successful deletion returns an empty object; failed deletions include error details. Note that delete events trigger separate webhook notifications per customer.

• delete_dispute_evidence write

  Delete Dispute Evidence

  Removes a specific piece of evidence from a dispute. Evidence that is removed will NOT be sent to the bank. This action requires the DISPUTES_WRITE permission scope. Important: You CANNOT remove evidence after it has been submitted to the bank using the SubmitEvidence endpoint. The deletion is permanent and cannot be undone. Use this when: - You need to remove evidence that was uploaded by mistake - You want to replace evidence with a better version (delete old, upload new) - The evidence is no longer relevant to the dispute case Prerequisites: - A valid dispute_id (obtain from list/retrieve disputes) - A valid evidence_id (obtain from list evidence or create evidence response) - The evidence must not have been submitted to the bank yet

• delete_invoice write

  Delete Invoice

  Tool to delete a Square invoice (only DRAFT invoices can be deleted).

• delete_invoice_attachment write

  Delete Invoice Attachment

  Tool to delete an attachment from a Square invoice. Endpoint: DELETE /v2/invoices/{invoice_id}/attachments/{attachment_id}

• delete_location_custom_attribute write

  Delete Location Custom Attribute

  Tool to delete a custom attribute from a location. Use when you need to remove custom data associated with a specific business location. Requires the MERCHANT_PROFILE_WRITE OAuth permission scope.

• delete_location_custom_attribute_definition write

  Delete Location Custom Attribute Definition

  Tool to delete a location-related custom attribute definition. Once deleted, the custom attribute definition cannot be used to add custom attributes to locations. Use when you need to remove obsolete or incorrect custom attribute definitions from your Square account.

• delete_locations_custom_attributes_batch write

  Delete Locations Custom Attributes (Batch)

  Tool to delete custom attributes from multiple locations in a single batch request. Use when you need to remove custom metadata from multiple business locations efficiently. To delete custom attributes owned by other applications, the attribute's visibility must be set to VISIBILITY_READ_WRITE_VALUES.

• delete_merchant_custom_attribute write

  Delete Merchant Custom Attribute

  Tool to delete a custom attribute from a merchant profile. Use when you need to remove custom data associated with a specific merchant. Requires the MERCHANT_PROFILE_WRITE OAuth permission scope.

• delete_merchant_custom_attribute_definition write

  Delete Merchant Custom Attribute Definition

  Tool to delete a merchant-related custom attribute definition. Once deleted, the custom attribute definition cannot be used to add custom attributes to merchants. Use when you need to remove obsolete or incorrect custom attribute definitions from your Square account.

• delete_merchants_custom_attributes_batch write

  Delete Merchants Custom Attributes (Batch)

  Tool to delete custom attributes from multiple merchants in a single batch request. Use when you need to remove custom metadata from merchant profiles efficiently. To delete custom attributes owned by other applications, the attribute's visibility must be set to VISIBILITY_READ_WRITE_VALUES.

• delete_webhook_subscription write

  Delete Webhook Subscription

  Permanently deletes a webhook subscription by its ID. Once deleted, the subscription will no longer receive event notifications. This action cannot be undone. Note: Webhook subscriptions are application-level resources and require personal access token authentication (not OAuth tokens).

• get_booking read

  Get Booking

  Retrieves detailed information about a specific Square booking by its ID. Returns the complete booking object including appointment segments, customer notes, seller notes, location details, creator information, and current status. Use this action when you need to view or verify booking details for a known booking ID, check appointment times, or retrieve information about services and team members assigned to the booking. Required permission: APPOINTMENTS_READ (buyer-level) or both APPOINTMENTS_ALL_READ and APPOINTMENTS_READ (seller-level).

• get_business_booking_profile read

  Get Business Booking Profile

  Tool to retrieve the business booking profile for a Square merchant via GraphQL. Use when you need to check if bookings are enabled, view cancellation policies, or access booking configuration settings. This is an alpha feature.

• get_current_merchant read

  Get Current Merchant

  Tool to retrieve merchant information associated with the access token using Square's GraphQL API. Use when you need to obtain the merchant ID required for other GraphQL queries, or to get merchant details like business name, status, currency, and main location.

• get_customer_custom_attribute read

  Get Customer Custom Attribute

  Retrieves a custom attribute from a customer profile in Square. Use this when you need to access specific custom data associated with a customer, such as preferences, external IDs, or other merchant-defined information. Requires CUSTOMERS_READ permission.

• get_customers_custom_attribute_definitions read

  Get Customer Custom Attribute Definition

  Tool to retrieve a customer-related custom attribute definition from Square. Use when you need to fetch the schema, visibility, or metadata of a specific custom attribute definition by its key.

• get_customers_graphql read

  Get Customers via GraphQL

  Tool to retrieve customer profiles from Square Customer Directory using GraphQL API. Use when you need to fetch customer information including name, contact details, and profile data for a specific merchant. Requires merchant ID filter.

• get_dispute_evidence read

  Get Dispute Evidence

  Retrieves detailed information about a specific piece of evidence that was uploaded for a dispute. Use this action to: - Get metadata about evidence (file details, upload time, evidence type) - Verify evidence was uploaded successfully - Review evidence details before submitting a dispute response Note: This returns metadata only, not the actual file content. To upload evidence, use the Create Dispute Evidence File or Create Dispute Evidence Text actions. Endpoint: GET /v2/disputes/{dispute_id}/evidence/{evidence_id}

• get_gift_card_from_gan read

  Get Gift Card From GAN

  Retrieves detailed information about a gift card by its GAN (gift card account number). Use this action when you need to look up a gift card using the GAN that buyers use to make purchases or check balances. Returns the complete gift card object including ID, type, state, balance, and associated customer IDs.

• get_invoice read

  Get Invoice

  Retrieves detailed information about a specific Square invoice by its ID. Returns the complete invoice object including payment requests, recipient details, accepted payment methods, custom fields, attachments, and current status. Use this when you need to view or verify invoice details for a known invoice ID. Required permission: INVOICES_READ

• get_loyalty_account read

  Get Loyalty Account

  Tool to retrieve detailed information about a specific Square loyalty account by ID. Use when you need to fetch loyalty account data including balance, lifetime points, customer association, and point expiration schedules. This action provides read-only access to loyalty program membership details.

• get_merchant read

  Get Merchant

  Tool to retrieve detailed information about a specific Square merchant by ID. Use when you need to fetch merchant profile data including business name, country, currency, and main location ID. Use 'me' as the merchant_id to retrieve the currently authenticated merchant.

• get_online_checkout_location_settings read

  Get Online Checkout Location Settings

  Tool to retrieve location-level settings for Square online checkout. Use when you need to get checkout configuration including customer notes, policies, branding, and tipping options for a specific location.

• get_refund read

  Get Payment Refund

  Retrieves a specific payment refund by its unique ID from Square. Returns complete refund details including amount, status, associated payment and order IDs, and refund destination information. Use this action when you need to retrieve detailed information about a specific refund, such as verifying refund status, checking refund amounts, or accessing refund metadata for reconciliation or customer service purposes.

• get_subscription read

  Get Subscription

  Retrieves detailed information about a specific Square customer subscription by its ID. Use this action when you need to fetch subscription details including status, billing information, plan variation, associated customer, and scheduled actions. Returns comprehensive subscription data including payment information, invoices, phases, and configured actions. Required permission: SUBSCRIPTIONS_READ.

• get_team_member read

  Get Team Member

  Tool to retrieve detailed information about a specific Square team member by ID. Use when you need to fetch team member profile data including name, contact information, location assignments, and wage settings.

• link_customer_to_gift_card write

  Link Customer to Gift Card

  Tool to link a customer to a gift card in Square. Links the customer profile to the gift card, adding their ID to the gift card's customer_ids list. Use when you need to associate a customer with a gift card for tracking purchases, balances, or gifting purposes.

• list_cards read

  List Cards

  Tool to retrieve cards on file associated with a Square account. Use when you need to list saved payment methods for a merchant or customer for payment processing or management purposes. Returns a maximum of 25 cards per request with pagination support.

• list_channels read

  List Channels

  Tool to list requested channels from Square. Use when you need to retrieve channel information for a specific reference type, reference ID, or status.

• list_customer_custom_attribute_definitions read

  List Customer Custom Attribute Definitions

  Tool to list customer-related custom attribute definitions from Square. Use when you need to discover available custom attributes that can be attached to customer profiles.

• list_customer_custom_attribute_definitions_graph_ql read

  List Customer Custom Attribute Definitions (GraphQL)

  Tool to retrieve customer custom attribute definitions via Square's GraphQL API. Use when you need to discover available custom attributes and their metadata for customer profiles. Alpha feature.

• list_customer_custom_attributes read

  List Customer Custom Attributes

  Tool to list custom attributes for a customer profile. Use when you need to retrieve all custom data associated with a specific customer, including optional definitions that provide metadata about each attribute.

• list_customer_groups read

  List Customer Groups

  Tool to retrieve the list of customer groups of a business. Use when you need to discover customer group IDs or list all customer groups for segmentation and targeting purposes.

• list_customers read

  List Customers

  Tool to retrieve customer profiles associated with a Square account. Use when you need to list customers for CRM, reporting, or customer management purposes. Only returns profiles with public information (given_name, family_name, company_name, email_address, or phone_number).

• list_customer_segments read

  List Customer Segments

  Tool to retrieve the list of customer segments of a business. Use when you need to discover customer segment IDs for targeting or filtering customer groups in Square.

• list_dispute_evidence read

  List Dispute Evidence

  Tool to list evidence items associated with a given dispute. Endpoint: GET /v2/disputes/{dispute_id}/evidence

• list_invoices read

  List Invoices

  Tool to list invoices for a Square location.

• list_location_custom_attribute_definitions read

  List Location Custom Attribute Definitions

  Tool to list location-related custom attribute definitions from Square. Use when you need to discover available custom attributes that can be attached to location profiles.

• list_locations read

  List Locations

  Tool to retrieve all business locations from a Square account. Use when you need to discover available location IDs for other Square API calls that require location_id parameter (like listing invoices or payments).

• list_locations_custom_attributes read

  List Locations Custom Attributes

  Tool to list custom attributes for a specific location in Square. Use when you need to retrieve all custom attribute values associated with a particular location.

• list_merchant_custom_attribute_definitions read

  List Merchant Custom Attribute Definitions

  Tool to list merchant-related custom attribute definitions from Square. Use when you need to discover available custom attributes that can be attached to merchant profiles.

• list_merchants read

  List Merchants

  Tool to retrieve merchant account information associated with the access token. Use when you need to get merchant profile details including business name, country, currency, and main location ID.

• list_merchants_custom_attributes read

  List Merchants Custom Attributes

  Tool to list custom attributes for a specific merchant in Square. Use when you need to retrieve all custom attribute values associated with a particular merchant.

• list_payments read

  List Payments

  Tool to list payments by location and time range to enable reconciliation and net sales reporting from Square POS. Use when you need to retrieve payment records for reporting, analytics, or reconciliation purposes.

• list_subscriptions read

  List Subscriptions

  Tool to search and list Square customer billing subscriptions. Use this action when you need to retrieve subscription information for customers, filter subscriptions by location, or view all active subscriptions. Results are ordered chronologically by subscription creation date.

• list_webhook_event_types read

  List Webhook Event Types

  Tool to list available webhook event types. Use when you need to discover event types before creating or updating a webhook subscription.

• list_webhook_subscriptions read

  List Webhook Subscriptions

  List all webhook subscriptions owned by your application. Returns webhook subscriptions with their event types, notification URLs, and status. Supports filtering by enabled/disabled status, sorting by creation date, and pagination for large result sets. Note: Webhook subscriptions are application-level resources and require personal access token authentication (not OAuth tokens).

• pay_order write

  Pay Order

  Pays an existing Square order by processing approved payments and completing the transaction. Use this action when you need to finalize payment on an order that has already been created and has associated approved payments. The total amount of the payment_ids provided must equal the order total, and upon success, the order state transitions to COMPLETED. Important: The payments referenced in payment_ids must be in APPROVED status and must have been created with a reference to this order_id. For orders with a zero total, you can pass an empty payment_ids array or omit it entirely. Using the idempotency_key prevents duplicate payment processing if the request is retried. Required permissions: ORDERS_WRITE, PAYMENTS_WRITE

• remove_group_from_customer write

  Remove Group From Customer

  Removes a customer from a customer group. Use this when you need to disassociate a customer from a specific group. Once removed, the customer will no longer be part of the group and won't receive group-specific benefits or targeting.

• retrieve_bulk_customers read

  Retrieve Bulk Customers

  Tool to retrieve multiple customer profiles in a single request. Use when you need to efficiently fetch up to 100 customer profiles by their IDs.

• retrieve_channel read

  Retrieve Channel

  Retrieve a Square channel by its ID. Channels represent different distribution points for catalog content, including physical locations and online platforms. Use this to get detailed information about a specific channel, including its status, associated references, and metadata.

• retrieve_channels_bulk read

  Bulk Retrieve Channels

  Tool to bulk retrieve multiple Square channels by their IDs in a single request. Use when you need to fetch specific channels by their unique identifiers rather than listing all channels.

• retrieve_customer read

  Retrieve Customer

  Tool to retrieve detailed information about a specific Square customer by ID. Use when you need to fetch customer profile data including contact information, preferences, and group memberships.

• retrieve_customer_group read

  Retrieve Customer Group

  Tool to retrieve a specific Square customer group by ID. Use when you need to fetch details about a customer group including its name and timestamps.

• retrieve_customer_segment read

  Retrieve Customer Segment

  Tool to retrieve a specific customer segment by its ID. Use when you need to get details about a customer segment including its name and timestamps.

• retrieve_dispute read

  Retrieve Dispute

  Tool to retrieve a Square dispute by ID. Endpoint: GET /v2/disputes/{dispute_id}

• retrieve_inventory_changes read

  Retrieve Inventory Changes

  Retrieves the inventory change history for a catalog object at specified locations. Returns adjustments, physical counts, and transfers sorted by occurrence timestamp (newest first). Use this action when you need to track inventory movements, audit stock changes, or reconcile inventory discrepancies for a specific catalog item.

• retrieve_inventory_counts_batch read

  Batch Retrieve Inventory Counts

  Retrieve inventory counts for multiple catalog objects and locations in a single batch request. Use this action when you need to efficiently check inventory levels across multiple item variations, locations, or states. The endpoint supports filtering by catalog objects, locations, states, and time ranges, making it ideal for inventory sync operations and reporting.

• retrieve_location read

  Retrieve Location

  Tool to retrieve detailed information about a specific Square location by ID. Use when you need to get complete details about a specific location, including address, business hours, contact information, and capabilities.

• retrieve_location_custom_attribute read

  Retrieve Location Custom Attribute

  Retrieves a custom attribute associated with a location in Square. Use this when you need to access specific custom data associated with a location, such as metadata, external IDs, or other merchant-defined information.

• retrieve_location_custom_attribute_definition read

  Retrieve Location Custom Attribute Definition

  Tool to retrieve a location-related custom attribute definition. Use when you need to get the schema, visibility, and metadata for a custom attribute associated with locations.

• retrieve_merchant_custom_attribute read

  Retrieve Merchant Custom Attribute

  Retrieves a custom attribute associated with a merchant in Square. Use this when you need to access specific custom data associated with a merchant, such as metadata, external IDs, or other merchant-defined information.

• retrieve_merchant_custom_attribute_definition read

  Retrieve Merchant Custom Attribute Definition

  Tool to retrieve a merchant-related custom attribute definition from Square. Use when you need to fetch the schema, visibility, or metadata of a specific custom attribute definition by its key.

• retrieve_merchants read

  Retrieve Merchants

  Tool to retrieve merchant information including status, main location details, and capabilities using Square's GraphQL API. Use when you need to fetch merchant profile data for specific merchant IDs.

• retrieve_order read

  Retrieve Order

  Retrieves detailed information about a specific Square order by its ID. Use this tool when you need to: - Fetch complete details of an order including line items, pricing, taxes, and discounts - Check order status and fulfillment information - View payment tenders and refunds associated with an order - Access order metadata and timestamps Requires: ORDERS_READ permission scope.

• retrieve_payment_link read

  Retrieve Payment Link

  Retrieves a Square-hosted payment link by ID. Returns complete payment link details including the checkout URL, associated order ID, checkout options, pre-populated buyer data, and creation timestamps. Requires ORDERS_READ permission.

• retrieve_token_status read

  Retrieve Token Status

  Tool to retrieve information about an OAuth access token or personal access token. Use when you need to verify token validity, check token expiration, inspect authorized scopes, or validate merchant association before making API calls.

• retrieve_webhook_subscription read

  Retrieve Webhook Subscription

  Retrieve a Square webhook subscription by its ID. Returns subscription details including name, enabled status, event types, notification URL, and signature key. Note: Requires personal access token authentication with DEVELOPER_APPLICATION_WEBHOOKS_READ scope (OAuth tokens are not supported for webhook subscriptions).

• search_booking_availability read

  Search Booking Availability

  Searches for available appointment time slots for booking services at Square locations. Use this action when you need to find open booking slots for a specific service, location, and time range. This is essential for scheduling appointments as it shows which times are available for booking based on service requirements and team member availability.

• search_catalog_objects read

  Search Catalog Objects

  Searches for catalog objects (items, categories, taxes, discounts, etc.) in the Square catalog. Use this action when you need to find specific catalog items by name, SKU, category, or other attributes, or when retrieving the entire catalog with filtering and sorting options. Supports full-text search, exact matching, prefix matching, range queries, and complex combinations of filters.

• search_customers read

  Search Customers

  Tool to search customer profiles in Square Customer Directory. Use when you need to find customers by email, phone, creation date, or other filters. Returns paginated results with optional total count.

• search_orders read

  Search Orders

  Tool to search orders across one or more Square locations with filters. Use when you need to find orders within a date range, by state, by customer, or other criteria. This is the primary way Square exposes 'list orders for a date range' functionality.

• submit_dispute_evidence write

  Submit Dispute Evidence

  Submits evidence for a dispute to the cardholder's bank. IMPORTANT: You must upload evidence FIRST using CreateDisputeEvidenceText or CreateDisputeEvidenceFile before calling this endpoint. Once evidence is submitted, it cannot be modified or removed. The dispute state will change to PROCESSING after successful submission. Use this when: (1) You have uploaded all evidence files/text, (2) The dispute is in EVIDENCE_REQUIRED state, and (3) You are ready to finalize and send evidence to the bank before the due date.

• test_webhook_subscription write

  Test Webhook Subscription

  Tests a webhook subscription by sending a test event to the configured notification URL. Use this to verify that your webhook endpoint is correctly receiving and processing Square events. The response includes the HTTP status code returned by your endpoint and the test payload that was sent. Useful after creating or updating a subscription to confirm proper integration.

• update_booking write

  Update Booking

  Updates an existing Square booking with new appointment details, times, notes, or team members. Use when you need to modify a booking's start time, change appointment segments, update customer or seller notes, or modify the location type. Requires the current booking version number for optimistic concurrency control - get this from a previous retrieve booking call. Seller must subscribe to Appointments Plus or Premium to use this action.

• update_customer write

  Update Customer

  Tool to update an existing Square customer profile. Use when you need to modify customer details like name, email, address, or phone number. Supports sparse updates: only include fields you want to change, null values will remove fields. Include the version field for optimistic concurrency control.

• update_customer_custom_attribute_definition write

  Update Customer Custom Attribute Definition

  Tool to update a customer-related custom attribute definition in Square. Use when you need to modify the name, description, visibility, or schema of an existing custom attribute definition. Supports sparse updates: only include fields you want to change. Use the version parameter for optimistic concurrency control to prevent conflicting updates.

• update_customer_group write

  Update Customer Group

  Tool to update a customer group's information by its ID. Use when you need to modify the name or other attributes of an existing customer group in Square.

• update_customers_bulk write

  Bulk Update Customers

  Tool to update multiple customer profiles in a single batch operation. Use when you need to efficiently update 1-100 customer profiles at once. Each update request includes the customer ID as a key and the customer data to update as the value. Only modified fields need to be provided, and fields can be removed by setting them to null. Requires version number for optimistic concurrency control.

• update_location write

  Update Location

  Tool to update an existing business location in a Square account. Use when you need to modify location details like name, description, address, business hours, contact information, or social media profiles.

• update_location_custom_attribute_definition write

  Update Location Custom Attribute Definition

  Tool to update a location-related custom attribute definition in Square. Use when you need to modify the description, name, visibility, or schema of an existing location custom attribute definition.

• update_merchant_custom_attribute_definition write

  Update Merchant Custom Attribute Definition

  Tool to update a merchant-related custom attribute definition in Square. Use when you need to modify the description, name, visibility, or schema of an existing merchant custom attribute definition.

• update_online_checkout_location_settings write

  Update Online Checkout Location Settings

  Tool to update location-level settings for Square online checkout. Use when you need to modify checkout configuration including customer notes, policies, branding, and tipping options for a specific location. Supports sparse updates: only include fields you want to change.

• update_order write

  Update Order

  Updates an existing Square order by adding, modifying, or removing fields. Use for OPEN or DRAFT orders only (COMPLETED/CANCELED orders cannot be updated). Requires the current order version number for optimistic concurrency control - get this from retrieve/search order first. Supports sparse updates: only include fields you want to change. To remove fields, use fields_to_clear array with dot notation paths. Common use cases: adding line items, updating quantities, applying discounts/taxes, modifying fulfillment details, updating metadata.

• update_team_member write

  Update Team Member

  Tool to update an existing Square team member's information. Use when you need to modify team member details like name, email, phone number, status, location assignments, or wage settings. Supports sparse updates: only include fields you want to change. To update wage_setting.job_assignments, provide the complete list of job assignments.

• update_webhook_subscription write

  Update Webhook Subscription

  Tool to update a Square webhook subscription. Use when you need to modify subscription settings such as name, enabled state, event types, notification URL, or API version of an existing webhook subscription.

• update_webhook_subscription_signature_key write

  Update Webhook Subscription Signature Key

  Tool to rotate the signature key for a webhook subscription. Use when you need to replace the current signature key for security purposes.

• upsert_catalog_object write

  Upsert Catalog Object

  Creates or updates a catalog object in the Square catalog. Use when you need to add or modify items, variations, categories, taxes, discounts, or other catalog entities in the merchant's inventory system. For new objects, use a temporary ID starting with '#' (e.g., '#new-item-1'). For updates, provide the existing object ID and current version number. The object type field determines which data field should be populated (e.g., type=ITEM requires item_data). Only one update request is processed at a time per seller account.

• upsert_catalog_objects_batch write

  Batch Upsert Catalog Objects

  Creates or updates multiple catalog objects in a single batch operation. Use this action when you need to efficiently manage catalog items, categories, discounts, taxes, or other catalog entities in bulk. Supports up to 10,000 objects across all batches, with each batch containing up to 1,000 objects. Use temporary IDs starting with # (e.g., #Tea) for new objects, and existing IDs to update objects. Each batch is processed atomically (all succeed or all fail). Use when you need to create multiple catalog items at once, update existing catalog objects in bulk, or set up an initial product catalog. The idempotency_key ensures safe retries without duplicate creation. Required permissions: ITEMS_WRITE

• upsert_customer_custom_attribute write

  Upsert Customer Custom Attribute

  Tool to create or update a custom attribute for a customer profile. Use when you need to store custom data on a customer record, such as preferences, loyalty tiers, or external system IDs. The custom attribute key must match an existing custom attribute definition in the Square account.

• upsert_customer_custom_attributes_batch write

  Batch Upsert Customer Custom Attributes

  Tool to create or update custom attributes for multiple customers in a single batch request. Use when you need to set custom data on customer profiles (e.g., preferences, loyalty tiers, tags). Supports 1 to 25 upsert operations per request. Before using this action, ensure the custom attribute definitions exist in your Square seller account. The custom attribute keys must match existing definitions. Use optimistic concurrency (version field) to prevent overwriting concurrent updates. Required permissions: CUSTOMERS_WRITE

• upsert_location_custom_attribute write

  Upsert Location Custom Attribute

  Tool to create or update a custom attribute for a location. Use when you need to store custom data on a location record, such as capacity limits, special features, or external system IDs. The custom attribute key must match an existing custom attribute definition in the Square account.

• upsert_locations_custom_attributes_batch write

  Batch Upsert Locations Custom Attributes

  Tool to create or update custom attributes for multiple locations in a single batch request. Use when you need to set custom data on location records (e.g., store ratings, delivery zones, tags). Supports 1 to 25 upsert operations per request. Before using this action, ensure the custom attribute definitions exist in your Square seller account. The custom attribute keys must match existing definitions. Use optimistic concurrency (version field) to prevent overwriting concurrent updates. Required permissions: MERCHANT_PROFILE_WRITE

• upsert_merchant_custom_attribute write

  Upsert Merchant Custom Attribute

  Tool to create or update a custom attribute for a merchant profile. Use when you need to store custom data on a merchant record, such as business notes, external system IDs, or configuration values. The custom attribute key must match an existing custom attribute definition in the Square account.

• upsert_merchants_custom_attributes_batch write

  Batch Upsert Merchants Custom Attributes

  Tool to create or update custom attributes for multiple merchants in a single batch request. Use when you need to set custom data on merchant profiles (e.g., business types, establishment dates, merchant categories). Supports 1 to 25 upsert operations per request. Before using this action, ensure the custom attribute definitions exist in your Square seller account. The custom attribute keys must match existing definitions. Use optimistic concurrency (version field) to prevent overwriting concurrent updates. Required permissions: MERCHANT_PROFILE_WRITE

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