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Nano Banana 2 API developer guide
Nano Banana 2 is currently "Available". This guide provides model IDs, price snapshots, and copyable examples for integration. Nano Banana 2 model page
Overview
- Vendor: Google
- Type: Image
- Number of tiers: 1
- Endpoint tags: image-task
Available tiers and pricing
The model in requests must use the model IDs in the table below, case-sensitive.
| Tier | Model ID | Per request | Output | Context |
|---|---|---|---|---|
| Nano Banana 2 | nano-banana-2 | $0.0200 / 次 | — | — |
Prices are build-time snapshots; refer to the pricing page and console for the latest prices.
Base URL and authentication
Base URL is https://api.rokoapi.com/v1. All requests must include Authorization: Bearer $OPENAI_API_KEY.
Quickstart
curl https://api.rokoapi.com/v1/images/tasks \
-H "Authorization: Bearer $OPENAI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "nano-banana-2",
"prompt": "A serene lake at dawn, photorealistic",
"size": "1:1",
"quality": "1K"
}'Common parameters
| Parameter | Description |
|---|---|
model | Use the public model IDs from the table above. |
prompt / messages | Input prompt, conversation messages, or generation instructions; format depends on the endpoint. |
quality / duration / image_urls | Generation models can accept size, quality, duration, aspect ratio, or reference asset URLs based on model capabilities. |
After a successful async generation task submission, a task ID is returned. Poll GET /v1/tasks/{task_id} until the status becomes completed or failed.
Notes
- Use only the model IDs listed on this page; unprovisioned or retired names will return a model unavailable error.
- If you encounter a 403 error, check your account balance, key group, and model access permissions.
- Multimodal, tool calling, caching, and streaming capabilities depend on the upstream model and channel configuration; refer to actual responses.