> ## Documentation Index
> Fetch the complete documentation index at: https://docs.b3os.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Create Checkout

Create a single-use Coinbase Business checkout for accepting crypto payments. Generates a hosted checkout URL with configurable amount, currency, and expiration. Supports fiat currencies (USD, EUR, SGD, GBP) and USDC. Completed checkouts can be refunded. Ideal for: one-time invoices, e-commerce orders, event tickets, service payments.

![Create Checkout logo](https://ai-icon.b3.fun/logo/coinbase-business)
Catalog action Integrations coinbase-business

Create a single-use Coinbase Business checkout for accepting crypto payments. Generates a hosted checkout URL with configurable amount, currency, and expiration. Supports fiat currencies (USD, EUR, SGD, GBP) and USDC. Completed checkouts can be refunded. Ideal for: one-time invoices, e-commerce orders, event tickets, service payments.


## At a Glance

| Field | Value |
| --- | --- |
| Action ID | `coinbase-business-create-checkout` |
| Category | Integrations |
| Connector | `coinbase-business` |
| Requires gas | No |
| Funds movement | None declared |
| Tags | `coinbase`, `checkout`, `payment`, `crypto`, `finance`, `create`, `write` |

## Payload Schema

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `amount` | `string` | Yes | Payment amount with up to 2 decimal places \(e.g., '25.00'\). Range: 0.01–100000000 |
| `currency` | `string` | Yes | Currency code — 'USDC' or fiat codes such as 'USD', 'EUR', 'SGD', 'GBP' |
| `network` | `string` | No | Blockchain network — currently only 'base' is supported |
| `description` | `string` | No | Description for the checkout \(max 500 characters\) |
| `expiresAt` | `string` | No | Expiration timestamp in RFC 3339 format. Defaults to 1 hour from creation |
| `metadata` | `object` | No | Key-value metadata \(max 20 properties, 100 chars per value\) |
| `successRedirectUrl` | `string` | No | HTTPS URL to redirect on successful payment |
| `failRedirectUrl` | `string` | No | HTTPS URL to redirect on failed payment |
| `apiKeyName` | `string` | No | CDP API Key Name \(overrides connector\) |
| `apiKeySecret` | `string` | No | CDP API Key Secret \(overrides connector\) |

## Result Schema

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | `string` | Yes | Checkout ID \(24-char hex\) |
| `url` | `string` | Yes | Hosted payment page URL |
| `status` | `string` | Yes | Checkout status |
| `amount` | `string` | Yes | Payment amount |
| `currency` | `string` | Yes | Currency code |
| `network` | `string` | Yes | Blockchain network |
| `address` | `string` | Yes | Blockchain payment address |
| `tokenAddress` | `string` | No | ERC-20 token contract address |
| `description` | `string` | No | Payment description |
| `expiresAt` | `string` | No | Expiration timestamp |
| `metadata` | `object` | No | Attached metadata |
| `successRedirectUrl` | `string` | No | Success redirect URL |
| `failRedirectUrl` | `string` | No | Fail redirect URL |
| `settlement` | `object` | No | Settlement breakdown \(available after completion\) |
| `fiatAmount` | `string` | No | Original fiat amount \(if fiat currency used\) |
| `fiatCurrency` | `string` | No | Original fiat currency code |
| `transactionHash` | `string` | No | Blockchain transaction hash \(when completed\) |
| `refundedAmount` | `string` | No | Total refunded amount |
| `refunds` | `array` | No | Refund details |
| `createdAt` | `string` | Yes | Creation timestamp |
| `updatedAt` | `string` | Yes | Last update timestamp |

## Examples

**Workflow node**

```json
{
  "type": "coinbase-business-create-checkout",
  "payload": {
    "amount": "1000000",
    "currency": "example-currency"
  },
  "children": [],
  "connector": {
    "type": "coinbase-business",
    "id": "conn_coinbase_business"
  }
}
```
  **Test with API**

```bash
curl -X POST "https://api.b3os.org/v1/actions/coinbase-business-create-checkout/test" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "inputs": {
    "amount": "1000000",
    "currency": "example-currency"
  }
}'
```

**Use expressions for dynamic values**

Payload fields can use workflow expressions such as `{{$trigger.body.amount}}`, `{{$nodes.fetch.result.price}}`, and `{{$props.asset}}` when the value should come from a trigger, prior node, or reusable workflow prop.