Migrations
Mint signed upload URLs
Request one signed upload URL per file, then PUT each file’s bytes to its signed_url. Files are workbook-level — not mapped to templates.
POST
Mint signed upload URLs
Authorizations
Your Vern API key. Create one at Settings → API keys.
Path Parameters
The migration ID returned by Create a migration.
Body
application/json
Minimum array length:
1Response
One signed upload per requested file.
Mint signed upload URLs