Square API
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Customers
Square API
Save cards on file for customers and sync CRM systems with Square
The Customers API allows you to create customers and assign a card on file to them, so that they don't have to type in the credit card each time they check out. It also allows you to sync contacts between your system and Square.
Endpoints
You are viewing an old version of the API
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List customers
GET /v2/customers - Lists a business's customers
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Create customer
POST /v2/customers - Creates a new customer for a business which can have associated cards on file
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Search customers
POST /v2/customers/search - Searches the customer profiles associated with a Square account
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Delete customer
DELETE /v2/customers/{customer_id} - Deletes a customer from a business along with any linked cards on file
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Retrieve customer
GET /v2/customers/{customer_id} - Returns details for a single customer
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Update customer
PUT /v2/customers/{customer_id} - Updates the details of an existing customer
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Create customer card
POST /v2/customers/{customer_id}/cards - Adds a card on file to an existing customer
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Delete customer card
DELETE /v2/customers/{customer_id}/cards/{card_id} - Removes a card on file from a customer