Square Create Payment: Square action

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

Field	Type	Required	Description
Source ID (nonce or saved card) source_id	string	Required	—
Amount (cents) amount	string	Required	1000 = $10.00
Currency currency	string	Optional	—
Idempotency Key idempotency_key	string	Required	A unique string per request to prevent double charges
Customer ID customer_id	string	Optional	The Customer ID assigned by Square. Find via the corresponding list/search operation in this app. Use the exact ID, not a name or label.
Note note	string	Optional	—

Sample request

{
  "source_id": "{{trigger.source_id}}",
  "amount": "1000 = $10.00",
  "currency": "{{trigger.currency}}",
  "idempotency_key": "{{trigger.idempotency_key}}",
  "customer_id": "{{trigger.customer_id}}"
}

Returns

{
  "payment": {
    "id": "pay_abc",
    "status": "COMPLETED",
    "receipt_url": "https://x.com",
    "amount_money": {
      "amount": 1000
    }
  }
}

Use these fields in downstream nodes for routing, logging, or error handling.

FAQ

Questions about Square Create Payment.

What does the Square Create Payment action do in Square?

Charges a saved customer card or processes a payment with provided source. For "external order completed → charge via Square" workflows.

What inputs does Square Create Payment require?

Required: Source ID (nonce or saved card), Amount (cents), Idempotency Key. Every input accepts a static value or a variable from any upstream node in your workflow.

Can I use dynamic inputs from earlier workflow nodes?

Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.

What happens if Square returns an error?

The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.

Does Square Create Payment support batch operations?

Yes. Run Square Create Payment inside a Loop node to process arrays. Tiny Command handles Square's rate limits automatically so you don't have to throttle manually.

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