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POST
/
internal-accounts
/
{id}
/
export
cURL
curl --request POST \
  --url https://api.lightspark.com/grid/2025-10-13/internal-accounts/{id}/export \
  --header 'Authorization: Basic <encoded-value>'
{
  "id": "InternalAccount:019542f5-b3e7-1d02-0000-000000000002",
  "encryptedWalletCredentials": "5KqM8nT3wJz2F9b6H1vRgLpXcA7eD4YuN0sBaE8kPyW5iVfG2xQoZ3MnK9LhU6jT1dS4rCyPbH7oVwX2AgE5uYsNq8fLzR3D7JeM1bVkWcHa9Tp"
}

Authorizations

​
Authorization
string
header
required

API token authentication using format <api token id>:<api client secret>

Headers

​
Grid-Wallet-Signature
string

Signature over the payloadToSign returned in a prior 202 response, produced with the session private key of a verified authentication credential on the target internal account and base64-encoded. Required on the signed retry; ignored on the initial call.

​
Request-Id
string

The requestId returned in a prior 202 response, echoed back on the signed retry so the server can correlate it with the issued challenge. Required on the signed retry; must be paired with Grid-Wallet-Signature.

Path Parameters

​
id
string
required

The id of the internal account to export.

Response

Signed retry accepted. Returns the encrypted wallet credentials.

​
id
string
required

The id of the internal account that was exported.

Example:

"InternalAccount:019542f5-b3e7-1d02-0000-000000000002"

​
encryptedWalletCredentials
string
required

Encrypted wallet mnemonic, sealed to the clientPublicKey supplied on the verify request. Decrypt with the matching private key, then manage the mnemonic securely — it is the master key of the self-custodial Embedded Wallet. Encoded as base58check (same format as AuthSession.encryptedSessionSigningKey).

Example:

"5KqM8nT3wJz2F9b6H1vRgLpXcA7eD4YuN0sBaE8kPyW5iVfG2xQoZ3MnK9LhU6jT1dS4rCyPbH7oVwX2AgE5uYsNq8fLzR3D7JeM1bVkWcHa9Tp"