Refund an invoice (full or partial)

post

https://api.wingspan.app/v3/payments/invoices/{invoiceId}/refund

Initiates a full or partial refund on a paid and deposited invoice. Omit amount to refund the remaining refundable balance. Targeting a specific paymentId and refunding off-platform payments are not supported.

Requires a session with recent MFA step-up for HighRiskWriteAction. If step-up is missing or expired, this operation returns 403 StepUpMfaRequired; create and verify an MFA challenge at /v3/platform/mfa-challenges with requiredFor: "HighRiskWriteAction", then retry.

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Path Params

invoiceId

string

required

Body Params

amount

double

Partial refund amount. Omit for full refund.

reason

string

Optional issuer-authored reason retained for the issuer's records.

paymentId

string

Target a specific InvoicePayment when multiple payments with different methods exist. Omit for a full refund.

Headers

Idempotency-Key

string

length between 1 and 255

^[\x21-\x7e]{1,255}$

Optional idempotency token for authenticated POST and PATCH requests. Reusing the same key and body returns the cached response for 24 hours, except credential operations that explicitly document a 409 because one-time secret material is never cached; reusing it with a different body returns 409 IdempotencyKeyConflict. Use 1-255 printable ASCII characters.

X-Wingspan-Account

string

^(?:[A-Za-z0-9_.]{22}|[a-f0-9]{24})$

Select the Account for an Account-scoped operation. A direct ServiceAccount API key MUST supply this header, and the target must be within the ServiceAccount owner's or Authorization grant's Account boundary. A Person bearer may select an Account on which it has an active Stakeholder, and an Account session may select its bound Account (or a descendant only when the session explicitly includes descendants).

string

enum

Defaults to application/json

Generated from available response content types

Allowed:

Responses

Language

Credentials

Bearer

JWT

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Response

Click Try It! to start a request and see the response here! Or choose an example:

application/json

application/problem+json

200Refund initiated

400Malformed request syntax

401Unauthenticated

403Forbidden or step-up MFA required

404Resource not found

422Validation error