Uploading Back Order KYC (base64) Documents

POST https://numbers.messagebird.com/v1/backorders/{backOrderId}/documents

Request Body

{"id"=>62, "name"=>"messagebird-kyc-upload-test.txt", "mimeType"=>"text/plain", "content"=>"RG9jdW1lbnQgdGhhdCBnb2luZyB0byBiZSB2ZXJpZmllZCBieSBhIHBlcnNvbi4="}

HEADERS