Create Checkout Page API

Time	Status	User Agent
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Headers

Key	Value
Authorization	Bearer <publicAccessToken>
Idempotency-Key	[uuid] (recommended)

Notes on headers:

Same key + same request body → returns the same checkout session (no duplicates).
Different body with the same key → 409 Idempotency Mismatch.

Request Body

{
  "externalId": "ORD-2025-0001",
  "currency": "IDR",
  "amount": 125000,   
  "description": "Top up Premium Plan",
  "successUrl": "https://merchant.com/thank-you?o=ORD-2025-0001",
  "cancelUrl": "https://merchant.com/cancel?o=ORD-2025-0001",
  "metadata": "{ \"note\": \"optional\" }",
  "type": "virtual_account"
}

Field Reference

Field	Required	Type	Notes
`externalId`	✅	string	Unique per client. If duplicate return `409 DUPLICATE_EXTERNAL_ID`.
`currency`	✅	string	`IDR` (more in future).
`amount`		integer	Smallest unit (Rupiah). Omit to ask end-user on page.
`description`		string	Shown on checkout page.
`successUrl`		string	Redirect user to this URL if payment success. Overrides dashboard default. Required here or in dashboard.
`failedUrl`		string	Redirect user to this URL if payment failed. Overrides dashboard default. Required here or in dashboard.
`metadata`		string	Custom key-value pairs. Stored in Paystrator and returned in API/webhook, but never sent to providers. Read more about metadata here.
`type`		enum	Preselect flow: `virtual_account` / `ewallet` / `qrcode` / `credit_card`. If omitted: end-user will chooses.

End-User Page Flow Guide**

If amount if empty, end-user will be prompted to input payment amount.
If type:
- is empty, end-user can choose the available payment method
- is filled (with ewallet / qrcode / virtual_account / credit_card), end-user will be directed to respective payment type. So, end-user can't choose the payment method available.

Responses

201 Created

{
  "id": "co_01JABCXYZ",
  "externalId": "ORD-2025-0001",
  "status": "PENDING",
  "checkoutUrl": "https://checkout.paystrator.com/co_01JABCXYZ",
  "currency": "IDR",
  "amount": 125000,
  "type": "qrcode",
  "createdAt": "2025-08-23T03:50:00Z"
}

Field Notes

Field	Description
id	Checkout session ID (prefix `co_`).
checkoutUrl	Send your customer here (redirect or link).
status	`PENDING` on create
amount	`null` if omitted in request

Error Payload (standard)

{
  "error": {
    "code": "INVALID_TYPE_FOR_TENANT",
    "message": "The selected type is not enabled for this tenant.",
    "requestId": "req_abc123"
  }
}

Error Codes

HTTP	Code	Description
400	`INVALID_AMOUNT`	Amount invalid/missing for fixed flows.
400	`MISSING_REDIRECT_URLS`	Neither API nor dashboard provided success/cancel.
400	`INVALID_TYPE_FOR_TENANT`	Type not enabled for this tenant.
400	`NO_AVAILABLE_PAYMENT_TYPE`	Tenant has no payment methods enabled.
403	`PERMISSION_DENIED`	API key lacks required permissions.
409	`DUPLICATE_EXTERNAL_ID`	`externalId` already used.
409	`IDEMPOTENCY_CONFLICT`	Same `Idempotency-Key` with different body.
422	`INVALID_PROVIDER_MAPPING`	Provider not mapped in production.

Status and Expiration Rules

Status	Description	Expiry Rules
Created	Checkout created	24h
Opened	End-user opened link	15 mins from first open
Completed	Paid
Expired	Not paid before expiry

For UI purposes:

Any status other than Completed is displayed as UNPAID.
Completed is displayed as PAID.