Sign upload

POST/v1/uploads/sign

Auth: Site public key (rk_pk_)

Get a signed URL for file upload. Allowed types: jpeg, png, gif, webp, pdf, plain text, csv.

Body parameters

Name	Type	Description
`filename`required	`string`	Original filename
`mime`required	`string`	MIME type
`sizeBytes`required	`integer`	File size in bytes
`sitePublicKey`required	`string`	rk_pk_… key

Responses

200Signed upload URL

{
  "uploadUrl": "https://...",
  "attachmentId": "990e8400-e29b-41d4-a716-446655440004"
}

curl -X POST "https://api.rokochat.com/v1/uploads/sign" \
  -H "X-Site-Public-Key: rk_pk_YOUR_KEY" \
  -H "Origin: https://yourdomain.com" \
  -H "Content-Type: application/json" \
  -d '{
  "filename": "screenshot.png",
  "mime": "image/png",
  "sizeBytes": 102400,
  "sitePublicKey": "rk_pk_YOUR_KEY"
}'