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POST
/
refunds
Create a refund
curl --request POST \
  --url https://api.alguna.io/refunds \
  --header 'Alguna-Version: <alguna-version>' \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": "99.00",
  "payment_id": "pay_01H1VECT",
  "reason": "Customer requested refund",
  "statement_descriptor": "Invoice INV-001 refund"
}
'
{
  "amount": "99.00",
  "created_at": "2026-04-01T10:00:00Z",
  "currency": "USD",
  "customer_id": "cust_01H1VECT",
  "id": "re_01H1VECT",
  "payment_id": "pay_01H1VECT",
  "status": "succeeded",
  "updated_at": "2026-04-01T12:30:00Z",
  "external_id": "<string>",
  "external_url": "<string>",
  "failure_reason": "<string>",
  "processor_id": "<string>",
  "reason": "Customer requested refund"
}

Documentation Index

Fetch the complete documentation index at: https://alguna.com/docs/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

API key authentication. Pass your API key as a Bearer token.

Headers

​
Alguna-Version
enum<string>
required
Available options:
2026-04-01
​
Idempotency-Key
string

A unique string used to ensure the request is processed exactly once. If you retry a request with the same idempotency key within 24 hours, the original response is returned without re-executing the operation.

Maximum string length: 255
Example:

"ik_a1b2c3d4e5f6"

Body

application/json
​
amount
string
required

Refund amount

Example:

"99.00"

​
payment_id
string
required

The payment to refund

Example:

"pay_01H1VECT"

​
reason
string | null

Reason for the refund

Example:

"Customer requested refund"

​
statement_descriptor
string | null

Text that appears on the customer's bank statement

Example:

"Invoice INV-001 refund"

Response

Success

​
amount
string
required

Refund amount as a decimal string

Example:

"99.00"

​
created_at
string<date-time>
required

Timestamp when the refund was created

Example:

"2026-04-01T10:00:00Z"

​
currency
string
required

Currency code

Example:

"USD"

​
customer_id
string
required

The customer that received the refund

Example:

"cust_01H1VECT"

​
id
string
required

Unique identifier for the refund

Example:

"re_01H1VECT"

​
payment_id
string
required

The original payment that was refunded

Example:

"pay_01H1VECT"

​
status
enum<string>
required

Refund status

Available options:
pending,
succeeded,
failed,
canceled
Example:

"succeeded"

​
updated_at
string<date-time>
required

Timestamp when the refund was last updated

Example:

"2026-04-01T12:30:00Z"

​
external_id
string | null

External reference ID from the payment processor

​
external_url
string | null

Link to view the refund in the payment processor's dashboard

​
failure_reason
string | null

Reason for failure if status is failed

​
processor_id
string | null

Payment processor's internal refund ID

​
reason
string | null

Reason for the refund

Example:

"Customer requested refund"