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What do you want Square and Payaca to do together?
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Give your AI client this address.
https://mcp.apiant.aiOne 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.aiStart 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)Example flows
What Square can start in Payaca
When New order in Square
then Add invoice in Payaca
When New or updated customer in Square
then Get customer in Payaca
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with Square and Payaca
Triggers and actions 3 triggers · 33 actions
Trigger
New orderTriggered when a new order is created at the specified location.
Trigger
New or updated customerTriggered when a customer is created or updated.
Trigger
New paymentTriggered when a new payment is received.
Action
Add catalog objectCreates a catalog object (item, variation, category, tax, discount, modifier list and more) in the Square catalog.
Action
Add orderCreates a new Square order at a location, with optional line items, taxes, discounts, service charges and a fulfillment.
Action
Add paymentCreates a payment: charges a card or payment token, or records a cash or external payment the seller received outside Square.
Action
Add refundRefund a payment.
Action
Cancel paymentCancels (voids) a Square payment that is still in the APPROVED status, i.e. a delayed-capture payment that has not been completed.
Action
Create customerCreates a new customer profile.
Action
Delete catalog objectDeletes a Square catalog object by ID, along with any objects that depend on it (for example an item's variations).
Action
Delete customerDeletes a customer profile by ID.
Action
Find catalog objectRetrieves a catalog object (item, variation, etc.) by ID.
Action
Find customerReturns customer details for the specified customer ID.
Action
Find orderRetrieves an order by ID.
Action
Find paymentRetrieves a payment by ID.
Action
List locationsLists all business locations for the connected Square account.
Action
List paymentsLists payments for the connected merchant, newest first.
Action
Search catalog objectsSearches catalog objects by type (ITEM, CATEGORY, etc.).
Action
Search customersSearches customer profiles by email, phone, or reference ID.
Action
Search ordersSearches orders for the specified location(s).
Action
Update customerUpdates an existing customer profile.
Action
Update orderUpdates an open Square order by adding or replacing fields, or clearing them. Completed or canceled orders cannot be updated.
Action
Add invoiceCreates an invoice against a Payaca project for a fixed amount, a percentage of the accepted project value, or everything still payable, and can optionally send it or mark it as sent.
Action
Add paymentRecords a payment against a Payaca project, optionally reconciling it to a specific invoice and emailing the customer a receipt. Returns the created payment and how it was reconciled.
Action
Add project noteAdds one or more notes to a Payaca project and returns the notes that were created.
Action
Add proposalCreates a proposal on a Payaca project, with its line items, optional payment schedule and any grants. Returns the new proposal with its totals.
Action
Get customerReturns a customer by id, including their contacts, addresses, custom field values and tags.
Action
Get invoiceReturns a Payaca invoice by its ID, including its status, totals, line items and linked project. An error occurs if the invoice is not found.
Action
Get projectReturns a project by its id, including its customer, pipeline stage, site address, custom fields, totals, grants and expected payments.
Action
Get scheduled eventReturns a single scheduled event, including its times, location, customer, project, assignees, notes, tags and contacts to notify. An error occurs if the event is not found.
Action
List customersReturns all customers in the Payaca account, optionally narrowed to those with a contact on a given email address or phone number.
Action
List pipelinesReturns all pipelines in the Payaca account, including each pipeline's stages in order.
Action
List projectsReturns the projects in the Payaca account, optionally only those belonging to one customer.
Action
Mark proposal as acceptedMarks a proposal that was already sent to the customer as accepted and returns the updated proposal.
Action
Update projectUpdates the custom field values on an existing project and returns the updated project. Service-type projects cannot be updated.
Action
Update scheduled eventUpdates the name, description, start time or end time of an existing scheduled event, and returns the updated event.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
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Questions
Square and Payaca, answered
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 Payaca when something happens in Square?
Any of Payaca's 14 actions, including Update project, Update scheduled event, Add invoice and Add payment. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Payaca to Square?
Payaca has no triggers in the catalog today, so automations start in Square. If you need the other direction, ask: your agent reads Payaca's API documentation and adds it.
Do I have to build a connector for Square or Payaca?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
Can my AI client use Square and Payaca without building an automation?
Yes. With your AI client connected to APIANT, ask it to do something in either app 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. One connection covers both.
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.