vellTRDocs

Download Export

GET/v1/transactions/exports/{exportId}/downloadOptional

Stream the generated PDF or CSV. 409 until the export is ready.

Authentication

Signature Pattern

HMAC-SHA256(secretKey, "{timestamp}\nGET\n/v1/transactions/exports/{exportId}/download\n{sha256(\"\")}")
HeaderValueDescription
X-Api-Keypk_live_a1b2c3d4e5f6g7h8Merchant public API key
X-Signature{hmac_sha256_hex}Hex HMAC-SHA256 request signature
X-Timestamp2026-04-13T10:00:00ZISO 8601 UTC request time (±5 min)

Response Parameters

FieldTypeExample
notestring"Streams application/pdf or text/csv; no …

Response Example

JSONResponse
{
  "note": "Streams application/pdf or text/csv; no JSON body."
}

Status Codes

200Success
201Created
400Bad Request
401Unauthorized
404Not Found
429Rate Limited
Try itMock
GEThttps://api.pay.sandbox.kvell.group