Nano Banana Edit API
Add prompt-guided image editing to your product with GoEnhance. Send one to four source images, choose an output ratio, receive a task ID, and track completion by polling or HTTPS callback. GoEnhance provides independent API access and is not Google’s official API.
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Built for Reference-Guided Image Edits
Prompt Plus Source Images
Describe the desired change in prompt and provide one to four HTTPS image URLs in image_list. This supports edits that stay grounded in supplied visual material.
Async Delivery for Production Apps
Persist the returned img_uuid, poll the task-detail endpoint, or receive status changes at a public HTTPS callback URL. Callback retries are attempted when your server does not return HTTP 200.
Validate these inputs before submitting an edit request.
Nano Banana Edit API Parameters
Endpoint
Send POST requests to <code>https://api.goenhance.ai/api/v1/nano-banana/edit</code>.
Authorization
Include your GoEnhance API credential in the <code>Authorization</code> header.
Prompt
A required string that describes the image edit you want the model to perform.
Image List
A required array containing 1–4 source image objects, each with an accessible image URL.
Output Ratio
Choose <code>auto</code>, <code>1:1</code>, <code>16:9</code>, <code>9:16</code>, <code>4:3</code>, <code>3:4</code>, <code>2:3</code>, or <code>3:2</code>.
Callback URL
Optionally provide a public HTTPS URL to receive processing, success, and failed task-status updates.
Plan each edit request around the documented per-image charge and asynchronous response.
Clear Pricing and Task Handling
2 Tokens per Image
Nano Banana Edit API pricing is 2 tokens per generated image, equal to $0.04 per image in the GoEnhance documentation.
Task Identifier Response
A successful submission returns an <code>img_uuid</code>. Store it with your application job so you can retrieve the terminal result.
Callback Retry Behavior
If your callback does not return HTTP 200, GoEnhance retries notification up to three times with a three-second timeout per attempt.
Integrate Nano Banana Edit in Three Steps
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1. Prepare the Request
Host one to four input images at accessible HTTPS URLs, write a precise edit prompt, select a supported ratio, and optionally add a callback URL.
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2. Submit and Persist
POST the JSON payload to the edit endpoint with authorization, then store the returned
img_uuid before responding to your user. 3
3. Resolve the Result
Poll the task-detail API or validate callback events until the job reaches success or failed, then save the returned output URL or surface the failure safely.
Ship controlled image-editing workflows without building your own model-serving stack.
Image Editing API Use Cases
Product Scene Variations
Place an existing product image into new visual settings while retaining the source as edit context.
Campaign Creative
Generate prompt-directed visual variations for ads, banners, and seasonal concepts.
Character Restyling
Apply art-direction changes to supplied character or portrait references with an explicit prompt.
E-commerce Workflows
Automate background, composition, or presentation changes around catalog imagery.
Content Localization
Adapt scene direction and visual context for regional campaigns while keeping a consistent source asset.
Creative Prototyping
Test art directions from one or more references before committing to a production concept.
Practical answers for implementation, pricing, and Google API search intent.