YepAPI
GoogleImage Generation/v1/media/queue

Gemini 2.5 Flash Image API

Gemini 2.5 Flash Image — the original Nano Banana — from $0.09 per image via one REST call.

The original Nano Banana image model. Google's Gemini 2.5 Flash Image generates and edits images fast across ten aspect ratios — from $0.09 per image.

No credit card required. Takes 30 seconds.

Gemini 2.5 Flash Image API pricing

Pay per request from your YepAPI balance — no subscription, no monthly minimum. Prices updated October 23, 2026.

BillingPrice
Rate$0.09/image
What it costsPer job
1 imagefrom default size$0.09
100 imagesa product catalog batch$9.00
1,000 imagesa month of app traffic$90.00

2,400+

Developers

1.2M+

API calls served

100+

Endpoints

$0.01

Per call

Yep, that's it.

Try it live

Enter a prompt and generate an image with Gemini 2.5 Flash Image.

POST/v1/media/queue

Drop image or click to upload

For image-to-image editing

Response
Hit "Send Request" to see the response

Gemini 2.5 Flash Image specs

ProviderGoogle
Model IDgoogle/gemini-2.5-flash-image
Endpoint/v1/media/queue
TypeImage Generation
Aspect ratios1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9
Image inputYes

How to get a Gemini 2.5 Flash Image API key

  1. 1

    Create a free account

    Sign up at yepapi.com with Google or email. It takes about 30 seconds and needs no card.

  2. 2

    Create an API key

    Open the dashboard, go to API Keys and create a key. Copy it — it starts with yep_sk_.

  3. 3

    Call Gemini 2.5 Flash Image

    Send a request to /v1/media/queue with the x-api-key header and model "google/gemini-2.5-flash-image".

  4. 4

    Pay as you go

    Usage is billed per request from your balance. Top up any amount; there is no subscription.

Strengths

✓
The original Nano Banana

Gemini 2.5 Flash Image is the model that made 'Nano Banana' famous for conversational image editing.

✓
Strong editing

Especially good at instruction-driven edits to an uploaded image — change one element, keep the rest intact.

✓
Fast and low cost

Around $0.09 an image with quick turnaround, suited to interactive editing tools.

✓
Ten aspect ratios

From 21:9 through 9:16, covering cinematic, web, and social framing.

Quick start

Copy this snippet and start making calls with Gemini 2.5 Flash Image.

// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "model": "google/gemini-2.5-flash-image",
    "prompt": "A corner bakery at opening time, steam on the window, trays of golden pastries just set out, warm interior light spilling onto a wet sidewalk",
    "options": {
      "aspectRatio": "1:1"
    }
  }),
});
const { data } = await res.json();
const jobId = data.jobId;

// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
  headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }

Gemini 2.5 Flash Image vs similar models

Every model below runs on the same API key — switch by changing the model ID.

ModelProviderPrice
Gemini 2.5 Flash ImageGooglefrom $0.09/image
Gemini 3.1 Flash Lite ImageGooglefrom $0.08/image
Nano Banana 3.1 FlashGoogle$1.00/1M input, $120.00/1M output (~$0.19 est.)
Nano Banana 3 ProGoogle$4.00/1M input, $240.00/1M output (~$0.32 est.)
FLUX 3 Image KleinBlack Forest Labsfrom $0.02/image
GPT Image 2OpenAIfrom $0.02/image
GPT Image 1 MiniOpenAIfrom $0.02/image
GPT-5.4 Image 2OpenAIfrom $0.02/image

Why use Gemini 2.5 Flash Image through YepAPI?

✓One API key for all models — no separate accounts
✓No monthly minimums — pay per call
✓Switch models with one line of code
✓Simple REST API — works from any language
✓Unified billing across all providers
✓No rate limits for most use cases

Gemini 2.5 Flash Image API — the original Nano Banana

Gemini 2.5 Flash Image is Google's image generation and editing model better known by its codename, Nano Banana. Its signature strength is instruction-driven editing: describe the change and the rest of the image stays put.

On YepAPI it is available on `/v1/media/queue` at roughly $0.09 per image, alongside the newer Nano Banana 3 tiers on the same key.

Start generating in 30 seconds

$5 free credit on signup. No credit card required. Pay per call.

What developers say

“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”

Marcus T.

SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”

Priya S.

Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”

Jake R.

Indie Hacker

Frequently asked questions

The original Nano Banana image model. Google's Gemini 2.5 Flash Image generates and edits images fast across ten aspect ratios — from $0.09 per image.

Gemini 2.5 Flash Image costs from $0.09/image through YepAPI, billed per request with no monthly fee. For example, a 1 image (from default size) costs about $0.09.

Sign up at yepapi.com (Google or email, about 30 seconds), open the dashboard and create an API key. The same key works for Gemini 2.5 Flash Image and every other model — no separate Google account or waitlist.

New YepAPI accounts in most countries get free signup credit, enough to test Gemini 2.5 Flash Image without a card. After that you pay per request at the rates above — there is no subscription.

Use "google/gemini-2.5-flash-image" as the model on /v1/media/queue. The short alias "gemini-flash-image" also works.

Ready to use Gemini 2.5 Flash Image?

$5 free credit on signup. No credit card required. Pay per call.

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