At a glance
The Guava API runs Guava and 4 other variants through Mage at POST https://api.mage.space/v1/guava/generate. A request at the default settings costs 37 Gems (about $0.037), with no subscription. Guava takes saved characters, references by @handle in the prompt.
Image
Output
5
Variants
37
Gems per image, default
$0.037
About, in USD
Overview
What the Guava API does
Our photorealism family, for portraits, fashion, and product shots with true-to-life skin, fabric, and light. Takes references or Characters, up to 2K.
Mage's photorealism family, for portraits, fashion, and product shots that pass for photographs, with reference images. Guava 2 and Guava 2 Pro are the current pair.
It accepts image, additional_images as inputs.
Quick start
Call the Guava API
Set MAGE_API_KEY, submit to /guava/generate, and poll status_url until the request completes.
cURL
STATUS_URL=$(curl --request POST 'https://api.mage.space/v1/guava/generate' \
--header "Authorization: Bearer $MAGE_API_KEY" \
--header 'Content-Type: application/json' \
--data '{
"prompt": "Editorial portrait in soft daylight, 35mm film look",
"aspect_ratio": "4:5",
"model_id": "guava"
}' | jq -r '.status_url')
# Repeat until status is "completed"; result.url is the file
curl "$STATUS_URL" --header "Authorization: Bearer $MAGE_API_KEY"Python
import os, time, requests
headers = {"Authorization": f"Bearer {os.environ['MAGE_API_KEY']}"}
request = requests.post(
"https://api.mage.space/v1/guava/generate",
headers=headers,
json={
"prompt": "Editorial portrait in soft daylight, 35mm film look",
"aspect_ratio": "4:5",
"model_id": "guava"
},
).json()
while request["status"] in ("queued", "in_progress"):
time.sleep(3)
request = requests.get(request["status_url"], headers=headers).json()
print(request["status"], request["result"] and request["result"]["url"])JavaScript
const headers = {
Authorization: `Bearer ${process.env.MAGE_API_KEY}`,
'Content-Type': 'application/json',
};
let request = await fetch('https://api.mage.space/v1/guava/generate', {
method: 'POST',
headers,
body: JSON.stringify({
"prompt": "Editorial portrait in soft daylight, 35mm film look",
"aspect_ratio": "4:5",
"model_id": "guava"
}),
}).then((response) => response.json());
while (['queued', 'in_progress'].includes(request.status)) {
await new Promise((resolve) => setTimeout(resolve, 3000));
request = await fetch(request.status_url, { headers }).then((r) => r.json());
}
console.log(request.status, request.result?.url);Models
Guava model_id values
Send model_id to pick a variant. A request without one runs the default.
| model_id | Name | Default |
|---|---|---|
| guava | Guava | Yes |
| guava-pro | Guava Pro | |
| guava-pro-v1-5 | Guava Pro 1.5 | |
| guava-2 | Guava 2 | |
| guava-2-pro | Guava 2 Pro |
Options
Guava parameters
Allowed values across all variants; a variant may offer fewer. The docs list the options per variant.
| Field | Values |
|---|---|
| aspect_ratio | 21:9, 16:9, 3:2, 5:4, 1:1, 4:5, 2:3, 9:16, 9:21 |
| resolution | 1K, 2K |
Inputs
Media inputs Guava accepts
Send each as an https URL, a data URL, or an upload of up to 100 MB.
| Field | Role |
|---|---|
| image | The reference image. |
| additional_images | Additional reference images. |
More image models
Other image generation APIs on Mage
Image · from 20 Gems
HiDream API
Fast and versatile, with negative prompts
Image · from 20 Gems
Krea 2 API
Gorgeous aesthetics in seconds
Image · from 135 Gems
Mango API
Our flagship image family
Image · from 68 Gems
Nano Banana 2 API
Crisp, readable text, up to 4K
Image · from 15 Gems
SDXL Plus API
SDXL with faces and hands fixed
Image · from 10 Gems
Stable Diffusion v1.5 API
The classic, on a budget
FAQ
Frequently asked questions
How much does the Guava API cost?
A Guava request at the default settings (Guava) costs 37 Gems, about $0.037. Other resolutions, durations, and variants change the price; the response reports the exact charge. A generation that fails is refunded; one Mage's content policy blocks is not.
What is the Guava API endpoint?
POST https://api.mage.space/v1/guava/generate with an Authorization: Bearer header carrying your Mage API key. The response includes a status_url to poll for the result.
Which Guava models can I call?
guava (Guava), guava-pro (Guava Pro), guava-pro-v1-5 (Guava Pro 1.5), guava-2 (Guava 2), guava-2-pro (Guava 2 Pro). The default is Guava.
Does Guava support reference images or characters?
Guava accepts image, additional_images. Guava takes saved characters, references by @handle in the prompt.
Can I use Guava from Claude or ChatGPT?
Yes. Connect the Mage MCP server to Claude, ChatGPT, Claude Code, Grok, or Cursor and ask for Guava by name. Your assistant reads its options with get_model and quotes the price before it generates.
How long are Guava results kept?
Results and inputs are kept for 30 days. Download anything you want to keep to your own storage.
Start building with Mage
One account, one Gems balance, every model. Pay only for what you generate.