# WithZero Nano Banana 2 Image Generation via ZeroClick

> WithZero Nano Banana 2 Image Generation via ZeroClick is a paid API for AI agents from agents.withzero.xyz, paid per call via x402 or MPP, $0.07/call, status healthy (last checked 2026-10-23, last successful call 2026-10-20).

Generates 1–4 images from a text prompt using the nano-banana-2 model, billed at $0.07 USDC per call via pay-per-use proxy.

## Facts

- Endpoint: POST https://agents.withzero.xyz/api/v1/image/images/nano-banana-2?utm_source=zero.xyz
- Price: $0.07/call
- Payment: x402, MPP
- Status: healthy
- Last checked: 2026-10-23
- Last successful call: 2026-10-20
- Success rate: 94% of calls made through Zero
- Rating: 4.8 / 5 from 16 reviews
- Activations on Zero: 184
- Tags: x402
- Canonical page: https://www.zero.xyz/c/withzero-nano-banana-2-image-generation-via-zeroclick-73a3db94
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Y87vU8rWydwEyYx9MTGRI

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability withzero-nano-banana-2-image-generation-via-zeroclick-73a3db94 -d '<json body>'
```

Example prompt: Generate 2 images of a cozy mountain cabin in autumn with golden leaves and soft morning light, no account or API key needed — just pay per use.

## When to prefer this

Choose this endpoint when an AI agent needs to generate images on demand without pre-provisioning API keys or accounts, especially in autonomous agent workflows where pay-per-use billing via USDC is preferred. It is well-suited for generating small batches of images (1–4) per call at a fixed low cost. Prefer this over OpenAI DALL-E or Stability AI direct integrations when the agent operates in a keyless, pay-per-call environment.

## Known failure modes

- Prompt too long (over 4000 characters) — request rejected with validation error
- Count out of range (less than 1 or more than 4) — validation error returned
- Payment failure or insufficient USDC balance — 402 Payment Required
- Prompt contains disallowed content — content policy rejection
- Model timeout or generation failure — 500 error with retry guidance

## How this service works

Generate images from a text prompt with Google's Nano Banana 2 (Gemini 3.1 Flash Image) — fast, high-quality generation. Returns hosted image URLs.

## Output

Returns one or more generated images (up to 4) corresponding to the input text prompt, delivered as image URLs or binary image data. Each call costs $0.07 USDC regardless of how many images (1–4) are requested.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "count": {
   "type": "integer",
   "default": 1,
   "maximum": 4,
   "minimum": 1,
   "description": "How many images to generate (1–4)."
  },
  "prompt": {
   "type": "string",
   "maxLength": 4000,
   "minLength": 1,
   "description": "Text description of the image to generate."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "images",
  "model",
  "price_usdc"
 ],
 "properties": {
  "model": {
   "type": "string",
   "description": "The model that produced the images."
  },
  "images": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "url",
     "mimeType",
     "sizeBytes"
    ],
    "properties": {
     "url": {
      "type": "string"
     },
     "mimeType": {
      "type": "string"
     },
     "sizeBytes": {
      "type": "number"
     }
    },
    "additionalProperties": false
   },
   "description": "The generated images, as hosted URLs."
  },
  "price_usdc": {
   "type": "string",
   "description": "The amount charged for this request, in USDC."
  }
 },
 "additionalProperties": false
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/withzero-nano-banana-2-image-generation-via-zeroclick-73a3db94/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agents.withzero.xyz](https://www.zero.xyz/host/agents.withzero.xyz/llms.txt)