API Reference

Create a financial account transfer

post
https://api.wingspan.app/v3/finance/transfers

Initiates a transfer between financial accounts (e.g. external bank to Wingspan Wallet, or between internal accounts). Creates in pending state and processes according to specified method and timing. The Idempotency-Key header is REQUIRED so a retry after a 5xx/timeout cannot move funds twice.

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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Body Params
double
required

Transfer amount as a plain decimal

string
enum
required

ISO 4217 currency code

string
enum
required
Allowed:
string
length ≤ 140
string
enum
Allowed:
string
required

Source account ID (internal or external)

string
required

Destination account ID (internal or external)

date

Optional future processing date

metadata
object

Free-form key-value pairs. Max 50 keys; key length at most 40 characters; value length at most 500 characters. Where a list endpoint declares metadata filtering, it uses the QueryQL namespace via filter[metadata.{key}][eq]=value or filter[metadata.{key}][in][]=value. Endpoints that do not declare the dynamic Metadata filter do not support Metadata filtering.

Headers
string
required
length between 1 and 255
^[\x21-\x7e]{1,255}$

REQUIRED idempotency token for money-moving requests (e.g. transfers). The token is used by the API so a retry after a 5xx/timeout replays the original result instead of moving funds twice. Reuse the same key to retry safely; use a NEW key to issue a genuinely new transfer. Use 1-255 printable ASCII characters.

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

Updated 4 months ago

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Response
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application/json
application/problem+json

Updated 4 months ago

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