Docs

Nano Banana Pro API developer guide

Nano Banana Pro is currently "Available". This guide provides model IDs, price snapshots, and copyable examples for integration. Nano Banana Pro model page

Overview

  • Vendor: Google
  • Type: Image
  • Number of tiers: 1
  • Endpoint tags: image-task, openai

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 Pro nano-banana-pro $0.0300 / 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.

Console

Quickstart

curl https://api.rokoapi.com/v1/images/tasks \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "nano-banana-pro",
  "prompt": "A serene lake at dawn, photorealistic",
  "size": "1:1",
  "quality": "1K"
}'

Common parameters

ParameterDescription
modelUse the public model IDs from the table above.
prompt / messagesInput prompt, conversation messages, or generation instructions; format depends on the endpoint.
quality / duration / image_urlsGeneration 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.