Models

Nano Banana

Stable

Reference-image transformation. One primary reference plus a scene prompt → a 2K or 4K composition. Best for 'put the subject in the reference into a new outfit / setting / scene'.

Product id

nano-banana

Price

$0.06 / call

Output

image (jpeg)

Avg latency

~50s

Parameters

Inputs

Send these in the JSON body of a POST /v1/generations request alongside "product": "nano-banana".

source_image_urlurlRequired

HTTPS URL to the primary input image this model transforms. Must be publicly reachable for the duration of the job.

promptstringRequired

Text prompt that describes what to generate. 1–4000 characters. Be specific — subject, lighting, lens, mood, action.

image_qualitystringOptionalDefaults to 2k

Output quality tier. `2k` is the default (lowest cost); `4k` renders at higher resolution and may cost more. Only applies to models that list both tiers.

seedintegerOptional0 – 4,294,967,295

Deterministic seed. Same seed + same prompt = same image. Omit for a random seed.

webhook_urlurlOptional

HTTPS callback fired when the job reaches a terminal state. HMAC-SHA256 signed. See the Webhooks guide.

metadataobjectOptional

Arbitrary JSON object echoed back on retrieval and in the webhook. Useful for correlating jobs to your records. ≤ 4 KB.

POST /v1/generations — full reference for the create endpoint.
Playground — try this model inline with your key.

Quick call

POSTNano Banana/v1/generations

curl https://api.kiara-api.com/v1/generations \
  -H "Authorization: Bearer $KIARA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
       "product": "nano-banana",
       "source_image_url": "https://example.com/source.jpg",
       "prompt": "your prompt here"
     }'