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One attempt

GET
/api/attempts/{attemptId}
curl --request GET \
--url https://example.com/api/attempts/0193f6c1-8b3f-7c5e-a012-3d4e5f6a7b8c \
--header 'Authorization: Bearer <token>'

The attempt as the dashboard sees it — its transactions, verdicts and acks — with the session and order it belongs to. Another merchant’s attempt answers the same 404 as a nonexistent one.

attemptId
required
string format: uuid
/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/

The attempt, as a search returned it. A lowercase UUID — the ones we mint are v7.

Example
0193f6c1-8b3f-7c5e-a012-3d4e5f6a7b8c

The attempt, with the home that gives it meaning — session, merchant, order.

Media typeapplication/json
object
sessionId
required

The session this belongs to.

string format: uuid
merchantId
required

The merchant it belongs to.

string
orderId
required

Their own order reference.

string
attempt
required

The attempt itself.

object
attemptId
required

Our handle for this attempt — what the refund door addresses.

string format: uuid
createdAt
required

When the attempt was opened — epoch milliseconds (Q13).

integer
updatedAt
required

The last event that touched it — its transactions’ moves included.

integer
method
required

Archetype of the method that carried it (card, oney…).

string
methodId
required

The method INSTANCE of the session it was started on.

string
provider
required

The PSP adapter that served this attempt (D-051) — always present.

string
status
required

Where this attempt stands. AUTHORIZING: dispatched, verdict still due (always out-of-band). AUTHORIZED: the money is held. DECLINED: refused, nothing taken. CANCELLED: the payer backed out at the PSP. CAPTURED: taken. VOIDED: the hold was released.

string
Allowed values: AUTHORIZING AUTHORIZED DECLINED CANCELLED CAPTURED VOIDED
partialAuth

Who decided a grant below the request: the payer in their app (chosen), or the issuer (mandated).

string
Allowed values: chosen mandated
plan

BNPL attempts only: the plan the payer chose.

object
installments
required

How many instalments the payer took.

integer
withFees
required

Whether that plan carried fees.

boolean
requested
required

What the attempt asked for.

object
amount
required

Amount in the MINOR unit of the currency — 1000_00 is one thousand euros, never 1000.

integer
currency
required

ISO 4217 code, uppercase. One currency per session.

string
/^[A-Z]{3}$/
granted
required

What was actually authorized — what counts against the balance.

object
amount
required

Amount in the MINOR unit of the currency — 1000_00 is one thousand euros, never 1000.

integer
currency
required

ISO 4217 code, uppercase. One currency per session.

string
/^[A-Z]{3}$/
refunded
required

How much of it has already been sent back.

object
amount
required

Amount in the MINOR unit of the currency — 1000_00 is one thousand euros, never 1000.

integer
currency
required

ISO 4217 code, uppercase. One currency per session.

string
/^[A-Z]{3}$/
refundable
required

What can still be refunded on it — granted minus refunded, zero unless it settled.

object
amount
required

Amount in the MINOR unit of the currency — 1000_00 is one thousand euros, never 1000.

integer
currency
required

ISO 4217 code, uppercase. One currency per session.

string
/^[A-Z]{3}$/
cardAlias

The card registration this attempt produced, when the order asked for one (for later merchant-initiated payments).

string
cardScheme

The card network this attempt ran on, as the PSP named it — visa, cb, mastercard, amex… Card attempts only, and only when the platform named one we could place: an absence means the verdict said nothing, never that the payment had no network.

string
owedToPayer

Money taken that nothing can hand back (direct-settlement) — the ops debt.

string
transactions
required

Every PSP operation of this attempt, oldest first — the authorization, then its capture, void or refunds.

Array<object>
object
transactionId
required

Our handle for this PSP operation — what a refund door addresses.

string format: uuid
createdAt
required

When the operation was opened — epoch milliseconds (Q13).

integer
updatedAt
required

The last event that touched it — for a terminal transaction, its verdict’s instant.

integer
type
required

What this operation asked the PSP: hold the money, take it in one go, capture a hold, release a hold, or send money back.

string
Allowed values: authorization payment capture void refund
amount
required

What this operation moved, in minor units.

object
amount
required

Amount in the MINOR unit of the currency — 1000_00 is one thousand euros, never 1000.

integer
currency
required

ISO 4217 code, uppercase. One currency per session.

string
/^[A-Z]{3}$/
providerRef

The PSP’s reference — what their dashboard greps (D-047).

string
status
required

The VERDICT facet: what the PSP finally decided about this operation — as opposed to the ack facet below, which is what the driving call answered on the spot.

object
kind
required

Where the operation stands. pending means the verdict is still due — it always arrives out-of-band.

string
Allowed values: pending succeeded failed cancelled
statusCode

The PSP’s own code, split at the source — successes carry theirs too.

string
statusMessage

The PSP’s own sentence, as they said it — never glued to the code.

string
category

What a refusal means, when the PSP’s answer could be read.

string
Allowed values: bank-refusal insufficient-funds invalid-card-data authentication-failed expired method-unavailable
ackCode

What the driving call answered (the ack facet).

string
ackMessage

What the driving call said — a transport failure’s raw cause included.

string
ackHttpStatus

Absent beside a present ackMessage = no HTTP response ever came.

integer
extraData

The caller’s reconciliation tag, on refunds only (lot 5) — echoed verbatim.

string
Example
{
"attempt": {
"status": "AUTHORIZING",
"partialAuth": "chosen",
"cardScheme": "visa",
"transactions": [
{
"type": "authorization",
"status": {
"kind": "pending",
"category": "bank-refusal"
}
}
]
}
}

InvalidRequest — the request could not be read: a missing or malformed field, a bad pattern, or a property this door does not declare (the message names it). Every door with a schema can answer this, before any business rule is consulted.

Media typeapplication/json
object
code
required

Stable machine-readable code — the one thing to branch on. Never parse the message.

string
message
required

English sentence for logs and operators. Wording may change; the code will not.

string
Example
{
"code": "InvalidRequest",
"message": "body/<field> failed validation"
}

Unauthorized — the only code this response carries: no usable access token (absent, malformed, expired). One answer for every failure shape, so nothing can be learned by watching which one comes back.

Media typeapplication/json
object
code
required

Stable machine-readable code — the one thing to branch on. Never parse the message.

string
message
required

English sentence for logs and operators. Wording may change; the code will not.

string
Example
{
"code": "Unauthorized",
"message": "a valid access token is required"
}

NotFound — the only code this response carries: unknown, or belonging to another merchant. The two are deliberately indistinguishable.

Media typeapplication/json
object
code
required

Stable machine-readable code — the one thing to branch on. Never parse the message.

string
message
required

English sentence for logs and operators. Wording may change; the code will not.

string
Example
{
"code": "NotFound",
"message": "no such resource"
}