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POST
video.extend

Authorizations

Authorization
string
header
required

API key: sk_live_…

Headers

Idempotency-Key
string

Optional. A retry with the same key returns the stored result.

Maximum string length: 255
Pramaan-Max-Price-Micro
string

Optional. The most this request may be priced at, in micro-USD (a whole number above 0). It replaces the capability's own price ceiling for this request, lower or higher. Sources that could cost more are left out; when none is left the answer is 400 with the lowest limit that would work.

Pattern: ^[1-9]\d{0,14}$

Body

application/json
prompt
string
required

What the clip should show, including any desired sound.

Required string length: 1 - 4000
video
object
required

MP4 clip to continue from its final frames.

aspectRatio
string
default:16:9

Frame ratio, or auto to let the source choose.

Required string length: 1 - 16
Pattern: ^\d{1,4}:\d{1,4}$|^auto$
resolution
enum<string>
default:hd

Output resolution class. Default hd; larger classes cost more.

Available options:
hd,
fhd,
qhd,
uhd
audio
boolean
default:true

Generate synchronized audio. Default true.

moderationTolerance
integer

Moderation tolerance where supported; lower is stricter.

Required range: 0 <= x <= 6
negativePrompt
string

What to exclude, where supported.

Required string length: 1 - 4000
seed
integer

Reproducibility seed where supported.

Required range: 0 <= x <= 4294967295
addedDurationSeconds
default:5

Length of the new continuation, not the combined original and output.

Required range: 1 <= x <= 60

Response

Job started; poll GET /v1/jobs/{id}

job_id
string
required
status
enum<string>
required
Available options:
running
held_micro
integer
required

The credit set aside for the job (its estimate), micro-USD; 0 when it takes none. Not a price: what the job is charged reads on GET /v1/jobs/{id} once it is settled.