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POST
Mint signed image URLs

Authorizations

Authorization
string
header
required

Your Kynva API key (kyn_live_xxx or kyn_test_xxx; legacy rf_ keys remain valid)

Body

application/json
template
string
required

Design preset slug, optionally version-pinned ("promo-bold@3")

params
object[]
required

One entry per URL to mint

Required array length: 1 - 100 elements
profile_id
string

Applied to every URL (default facebook_16x9)

format
enum<string>
Available options:
png,
jpg
expires_in
number | null

Seconds until expiry. Omit for non-expiring URLs (recommended for OG tags).

Required range: x >= 60

Response

200 - application/json

Signed URLs minted

data
object