v5

latestOpenAPI 3.1.02026-07-262421791.5 MB

card-sensitive-details

Fetch RSA encryption key

Fetches Wise's RSA public key required for encrypting sensitive card data requests.

This key is used in the sensitive card details flow to create JWE (JSON Web Encryption) payloads.

get/twcard-data/v1/clientSideEncryption/fetchEncryptingKey

X-External-Correlation-Idstring uuid

Optional UUID for correlating requests across systems. If provided, Wise echoes it back in the response. Maximum 36 characters. Learn more.

RSA encryption key retrieved successfully.

versioninteger

Version of the encryption key.

keystring

The RSA public key.

{
  "version": 1,
  "key": "<encryption key>"
}