Payments

Square integrations

Connect Square to any other app, or use it from your AI client over MCP. Square is a commerce platform for payments, point of sale, orders, customers, catalog, and invoices. Connect to manage customers, orders, payments, catalog items, and invoices via the Square Connect v2 API.

Connects with OAuthsquareup.com
3 triggers19 actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

Build solutions, not workarounds.

What do you want to automate with Square?

Ask the assistant

You'll sign in before anything runs. What you typed comes with you.

Connect your AI client

Give your AI client this address.

https://mcp.apiant.ai

One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.

Set it up in your client
Claude Code

Run this in the directory you want to work in.

claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai

Start Claude Code there, approve the server, and sign in in the browser page it opens.

Claude Code guide (opens in a new tab)
Claude, web and desktop

Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.

Setup guide (opens in a new tab)
Cursor

Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.

Setup guide (opens in a new tab)
Zed

Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.

Setup guide (opens in a new tab)
Codex and the ChatGPT desktop app

Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.

Setup guide (opens in a new tab)
Any other MCP client

Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.

Setup guide (opens in a new tab)

Popular

Square with the apps people pair it with most

Pair it

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What your agent can do with Square

Triggers and actions 3 triggers ยท 19 actions

  • Trigger
    New order

    Triggered when a new order is created at the specified location.

  • Trigger
    New or updated customer

    Triggered when a customer is created or updated.

  • Trigger
    New payment

    Triggered when a new payment is received.

  • Action
    Add catalog object

    Creates a catalog object (item, variation, category, tax, discount, modifier list and more) in the Square catalog.

  • Action
    Add order

    Creates a new Square order at a location, with optional line items, taxes, discounts, service charges and a fulfillment.

  • Action
    Add payment

    Creates a payment: charges a card or payment token, or records a cash or external payment the seller received outside Square.

  • Action
    Add refund

    Refund a payment.

  • Action
    Cancel payment

    Cancels (voids) a Square payment that is still in the APPROVED status, i.e. a delayed-capture payment that has not been completed.

  • Action
    Create customer

    Creates a new customer profile.

  • Action
    Delete catalog object

    Deletes a Square catalog object by ID, along with any objects that depend on it (for example an item's variations).

  • Action
    Delete customer

    Deletes a customer profile by ID.

  • Action
    Find catalog object

    Retrieves a catalog object (item, variation, etc.) by ID.

  • Action
    Find customer

    Returns customer details for the specified customer ID.

  • Action
    Find order

    Retrieves an order by ID.

  • Action
    Find payment

    Retrieves a payment by ID.

  • Action
    List locations

    Lists all business locations for the connected Square account.

  • Action
    List payments

    Lists payments for the connected merchant, newest first.

  • Action
    Search catalog objects

    Searches catalog objects by type (ITEM, CATEGORY, etc.).

  • Action
    Search customers

    Searches customer profiles by email, phone, or reference ID.

  • Action
    Search orders

    Searches orders for the specified location(s).

  • Action
    Update customer

    Updates an existing customer profile.

  • Action
    Update order

    Updates an open Square order by adding or replacing fields, or clearing them. Completed or canceled orders cannot be updated.

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Questions

Square, answered

Is there a Square MCP server?

APIANT's MCP server at https://mcp.apiant.ai works with Square. Add that address to any AI client that takes a remote MCP server and sign in once in your browser. Your client can then run Square actions on demand, or have APIANT build, test and run automations that use Square. Nothing to install.

What can start an automation from Square?

Any of Square's 3 triggers in the catalog, including New order, New or updated customer and New payment. Describe the moment in plain language and your agent picks the right one.

What can your agent do in Square?

Any of Square's 19 actions, including Create customer, Update customer, Update order and Add catalog object. Your agent maps the data both ways and tests every scenario before it ships.

Can I use Square directly from Claude, ChatGPT or Cursor?

Yes. Connect your AI client to APIANT once and it works with Square two ways. Ask it to do something in Square once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running on its own. A one-off action uses your plan's tasks the same way an automation step does.

Do I need to write code against the Square API?

No. APIANT connects to the Square API for you, and you sign in to Square once with OAuth. Describe what you want in plain language and your agent builds it on the Square triggers and actions in the catalog. If you need an endpoint that is not there yet, your agent reads the Square API documentation and adds it.

Which apps can Square connect to?

Any app in the catalog; the list on this page pairs Square with each of them. If the other app is missing, point your agent at its API documentation and it builds the connector.

What happens when something fails?

Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.

Is there a free plan?

Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.