Checkout event - HG.Cash

{ "topic": "CHECKOUT", "eventType": "checkout.completed", "id": "8cc52116-355c-4bc6-a9e5-2a49bd800f4e", "status": "completed", "event": "checkout.completed", "amount": "6000.00", "currency": "ARS", "country": "AR", "transactionId": "170be3b6-01b9-4baa-8fcf-2031e9596596", "transaction": { "id": "040eac5b-a998-4879-9d8a-05fd2a08c625", "externalID": "E-67REZ8NPQDQ460QK94KVGO-2026-01-14 09:17:21", "amount": "12000", "currency": "ARS", "direction": "Inbound", "status": "hecha", "type": "inbound", "date": "2026-01-14T09:17:21", "timezone": "America/Argentina/Buenos_Aires", "fromName": "Jose Angel Gallucci", "fromCBU": "0000003100117987328844", "fromCUIT": "20125680667", "toName": "MUNDO OFERTA IMPORTACIONES S.A", "toCBU": "0000151500037626120131", "toCUIT": "30718891813", "coelsaCode": "67REZ8NPQDQ460QK94KVGO", "accountId": "843d9d8b-6db8-47a2-8c22-23b198e99c15" }, "metadata": { "adapterTransactionId": "in1345115478", "user_id": "109659669" }, "completedAt": "2026-08-10T06:02:57.136Z" }

Authorizations

X-HG-Webhook-Signature

string

header

required

HMAC-SHA256 signature of the raw JSON body. Format: sha256=<hex>. When you configure a webhook signing secret in account settings, HG.Cash includes this header on every webhook POST. Verify the signature in your endpoint to ensure the request is authentic.

Body

application/json

Payload sent when a hosted checkout session changes state. On checkout.completed, when a ledger transaction is linked, includes a nested transaction object with the same fields as Account movement webhooks, excluding topic and eventType.

topic

enum<string>

required

Webhook topic for routing

Available options:

CHECKOUT

Example:

"CHECKOUT"

eventType

enum<string>

required

Event kind (matches event)

Available options:

checkout.completed,

checkout.awaiting_manual_review,

checkout.rejected

Example:

"checkout.completed"

string<uuid>

required

Checkout session ID

status

string

required

Checkout status after the event

event

enum<string>

required

Available options:

checkout.completed,

checkout.awaiting_manual_review,

checkout.rejected

amount

string

required

Decimal amount as string

currency

string

required

ISO 4217 currency code

country

enum<string>

required

Available options:

AR,

BR,

CL,

BO

transactionId

string<uuid> | null

Linked inbound transaction when available

transaction

object

Present on checkout.completed when a ledger transaction is linked. Omitted when no transaction is linked.

Show child attributes

metadata

object

Opaque metadata from checkout create

completedAt

string<date-time> | null