GPT Image 2 API, GPT Image 1.5 API - AI Image Generation APIs

GPT Image 2 API, developers can create images that accurately reflect complex prompts, edit existing images with natural language instructions, and generate variations. The API combines GPT's language understanding with powerful image generation for intuitive creative workflows.

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GPT Image 2 Image to Image (Image Editing) API Documentation

https://gateway.pixazo.ai/gpt-image-2-image-to-image/v1

Authentication

All requests require an API key passed via header.

Header	Type	Required	Description
Ocp-Apim-Subscription-Key	string	Yes	Your API subscription key

Image to Image - GPT Image 2 Image to Image Api

Request Code

POST https://gateway.pixazo.ai/gpt-image-2-image-to-image/v1/gpt-image-2-image-to-image/generate
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_API_KEY

{
  "prompt": "Transform this into a Studio Ghibli style anime illustration",
  "input_images": ["https://pub-582b7213209642b9b995c96c95a30381.r2.dev/f1.png"]
}

import requests

url = "https://gateway.pixazo.ai/gpt-image-2-image-to-image/v1/gpt-image-2-image-to-image/generate"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
}
data = {
    "prompt": "Transform this into a Studio Ghibli style anime illustration",
    "input_images": ["https://pub-582b7213209642b9b995c96c95a30381.r2.dev/f1.png"]
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

const url = 'https://gateway.pixazo.ai/gpt-image-2-image-to-image/v1/gpt-image-2-image-to-image/generate';
const headers = {
  'Content-Type': 'application/json',
  'Cache-Control': 'no-cache',
  'Ocp-Apim-Subscription-Key': 'YOUR_API_KEY'
};
const data = {
  prompt: 'Transform this into a Studio Ghibli style anime illustration',
  input_images: ['https://pub-582b7213209642b9b995c96c95a30381.r2.dev/f1.png']
};

fetch(url, {
  method: 'POST',
  headers: headers,
  body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data))
.catch(error => console.error('Error:', error));

curl -X POST "https://gateway.pixazo.ai/gpt-image-2-image-to-image/v1/gpt-image-2-image-to-image/generate" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  --data-raw '{
    "prompt": "Transform this into a Studio Ghibli style anime illustration",
    "input_images": ["https://pub-582b7213209642b9b995c96c95a30381.r2.dev/f1.png"]
  }'

Output

{
  "request_id": "gpt-image-2-image-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/gpt-image-2-image-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your generate request to receive a POST callback instead of polling.

X-Webhook-URL: https://your-server.com/webhook/callback

Request Parameters - Image to Image

Parameter	Required	Type	Default	Allowed values / range	Description
prompt	Yes	string	—	non-empty	Text description of the desired image
input_images	Yes	array of URI strings	—	≥ 1 URL, each http:// or https://	Publicly accessible reference images used to condition generation
quality	No	string	"auto"	"low", "medium", "high", "auto"	Image quality — higher = slower, more detail
background	No	string	"auto"	"auto", "transparent", "opaque"	Background handling. "transparent" requires output_format of png or webp
moderation	No	string	"auto"	"auto", "low"	Content moderation level
aspect_ratio	No	string	"1:1"	"1:1", "3:2", "2:3"	Output aspect ratio (square, landscape, portrait)
output_format	No	string	"webp"	"png", "jpeg", "webp"	Output file format
number_of_images	No	integer	1	1–10	Number of images to generate in one request
output_compression	No	integer	90	0–100	Compression level for jpeg / webp (no effect on png)

Example Request (Full)

{
  "prompt": "Transform this into a Studio Ghibli style anime illustration",
  "input_images": ["https://pub-582b7213209642b9b995c96c95a30381.r2.dev/f1.png"],
  "quality": "high",
  "background": "auto",
  "moderation": "auto",
  "aspect_ratio": "3:2",
  "output_format": "png",
  "number_of_images": 2,
  "output_compression": 95
}

Response

{
  "request_id": "gpt-image-2-image-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/gpt-image-2-image-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Request Headers

Header	Value
Content-Type	application/json
Cache-Control	no-cache
Ocp-Apim-Subscription-Key	YOUR_API_KEY

Response Handling

Common status codes.

Code	Meaning
202	Accepted — Request queued
400	Bad Request
401	Unauthorized
402	Insufficient Balance
403	Forbidden
429	Too Many Requests
500	Internal Server Error

Error Responses

Queue system errors and model validation errors.

Queue System Errors

// 402 — Insufficient balance
{
  "error": "Insufficient Balance",
  "message": "Your wallet does not have enough balance."
}

// 400 — Model not found
{
  "error": "Model not found",
  "message": "Model 'gpt-image-2-image-to-image' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "gpt-image-2-image-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "gpt-image-2-image-to-image",
  "error": "Description of the error",
  "output": null
}

Retrieving Results

Poll the universal status endpoint to check progress and retrieve results.

Endpoint

GET https://gateway.pixazo.ai/v2/requests/status/{request_id}
Ocp-Apim-Subscription-Key: YOUR_API_KEY

cURL Example

curl -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  "https://gateway.pixazo.ai/v2/requests/status/gpt-image-2-image-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "gpt-image-2-image-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "gpt-image-2-image-to-image",
  "error": null,
  "output": {
    "media_url": [
      "https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/gpt-image-2-image-to-image_019dxxxx-xxxx/output.webp"
    ],
    "media_type": "image/webp"
  },
  "created_at": "2026-04-22T10:00:00.000Z",
  "updated_at": "2026-04-22T10:01:30.000Z",
  "completed_at": "2026-04-22T10:01:30.000Z"
}

Response Fields

Field	Type	Description
request_id	string	Unique request identifier
status	string	QUEUED, PROCESSING, COMPLETED, FAILED, or ERROR
model_id	string	Model that processed the request
error	string\|null	Error message if failed
output.media_url	array	URLs to generated media (R2 CDN)
output.media_type	string	MIME type of the output
created_at	string	When request was created
completed_at	string\|null	When request completed
polling_url	string	Status URL (initial response only)

Status Values

Status	Description
QUEUED	Request accepted, waiting to be processed
PROCESSING	Being processed by the model
COMPLETED	Done — output contains the result
FAILED	Failed — check error field
ERROR	System error — not charged

Status Flow

QUEUED → PROCESSING → COMPLETED
                    → FAILED
                    → ERROR

Typical Workflow

Send a generate request to the API endpoint
Save the request_id from the response
Poll every 5-10 seconds: GET /v2/requests/status/{request_id}
When status is "COMPLETED", download from output.media_url

Tip: Use X-Webhook-URL header to get a callback instead of polling.

GPT Image 2 Image to Image (Image Editing) API Pricing

Resolution	Price (USD)
auto	$0.128
low	$0.012
medium	$0.047
high	$0.128

GPT Image 2 Text to Image API Documentation

https://gateway.pixazo.ai/gpt-image-2-text-to-image/v1

Authentication

All requests require an API key passed via header.

Header	Type	Required	Description
Ocp-Apim-Subscription-Key	string	Yes	Your API subscription key

Text to Image - GPT Image 2 Text to Image Api

Request Code

POST https://gateway.pixazo.ai/gpt-image-2-text-to-image/v1/gpt-image-2-text-to-image/generate
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_API_KEY

{
  "prompt": "A photorealistic portrait of an astronaut on Mars at golden hour"
}

import requests

url = "https://gateway.pixazo.ai/gpt-image-2-text-to-image/v1/gpt-image-2-text-to-image/generate"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
}
data = {
    "prompt": "A photorealistic portrait of an astronaut on Mars at golden hour"
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

const url = 'https://gateway.pixazo.ai/gpt-image-2-text-to-image/v1/gpt-image-2-text-to-image/generate';
const headers = {
  'Content-Type': 'application/json',
  'Cache-Control': 'no-cache',
  'Ocp-Apim-Subscription-Key': 'YOUR_API_KEY'
};
const data = {
  prompt: 'A photorealistic portrait of an astronaut on Mars at golden hour'
};

fetch(url, {
  method: 'POST',
  headers: headers,
  body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data))
.catch(error => console.error('Error:', error));

curl -X POST "https://gateway.pixazo.ai/gpt-image-2-text-to-image/v1/gpt-image-2-text-to-image/generate" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  --data-raw '{
    "prompt": "A photorealistic portrait of an astronaut on Mars at golden hour"
  }'

Output

{
  "request_id": "gpt-image-2-text-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/gpt-image-2-text-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your generate request to receive a POST callback instead of polling.

X-Webhook-URL: https://your-server.com/webhook/callback

Request Parameters - Text to Image

Parameter	Required	Type	Default	Allowed values / range	Description
prompt	Yes	string	—	non-empty	Text description of the desired image
quality	No	string	"auto"	"low", "medium", "high", "auto"	Image quality — higher = slower, more detail
background	No	string	"auto"	"auto", "transparent", "opaque"	Background handling. "transparent" requires output_format of png or webp
moderation	No	string	"auto"	"auto", "low"	Content moderation level
aspect_ratio	No	string	"1:1"	"1:1", "3:2", "2:3"	Output aspect ratio (square, landscape, portrait)
output_format	No	string	"webp"	"png", "jpeg", "webp"	Output file format
number_of_images	No	integer	1	1–10	Number of images to generate in one request
output_compression	No	integer	90	0–100	Compression level for jpeg / webp (no effect on png)

Example Request (Full)

{
  "prompt": "A photorealistic portrait of an astronaut on Mars at golden hour",
  "quality": "high",
  "background": "auto",
  "moderation": "auto",
  "aspect_ratio": "3:2",
  "output_format": "png",
  "number_of_images": 2,
  "output_compression": 95
}

Response

{
  "request_id": "gpt-image-2-text-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/gpt-image-2-text-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Request Headers

Header	Value
Content-Type	application/json
Cache-Control	no-cache
Ocp-Apim-Subscription-Key	YOUR_API_KEY

Response Handling

Common status codes.

Code	Meaning
202	Accepted — Request queued
400	Bad Request
401	Unauthorized
402	Insufficient Balance
403	Forbidden
429	Too Many Requests
500	Internal Server Error

Error Responses

Queue system errors and model validation errors.

Queue System Errors

// 402 — Insufficient balance
{
  "error": "Insufficient Balance",
  "message": "Your wallet does not have enough balance."
}

// 400 — Model not found
{
  "error": "Model not found",
  "message": "Model 'gpt-image-2-text-to-image' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "gpt-image-2-text-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "gpt-image-2-text-to-image",
  "error": "Description of the error",
  "output": null
}

Retrieving Results

Poll the universal status endpoint to check progress and retrieve results.

Endpoint

GET https://gateway.pixazo.ai/v2/requests/status/{request_id}
Ocp-Apim-Subscription-Key: YOUR_API_KEY

cURL Example

curl -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  "https://gateway.pixazo.ai/v2/requests/status/gpt-image-2-text-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "gpt-image-2-text-to-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "gpt-image-2-text-to-image",
  "error": null,
  "output": {
    "media_url": [
      "https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/gpt-image-2-text-to-image_019dxxxx-xxxx/output.webp"
    ],
    "media_type": "image/webp"
  },
  "created_at": "2026-04-22T10:00:00.000Z",
  "updated_at": "2026-04-22T10:01:30.000Z",
  "completed_at": "2026-04-22T10:01:30.000Z"
}

Response Fields

Field	Type	Description
request_id	string	Unique request identifier
status	string	QUEUED, PROCESSING, COMPLETED, FAILED, or ERROR
model_id	string	Model that processed the request
error	string\|null	Error message if failed
output.media_url	array	URLs to generated media (R2 CDN)
output.media_type	string	MIME type of the output
created_at	string	When request was created
completed_at	string\|null	When request completed
polling_url	string	Status URL (initial response only)

Status Values

Status	Description
QUEUED	Request accepted, waiting to be processed
PROCESSING	Being processed by the model
COMPLETED	Done — output contains the result
FAILED	Failed — check error field
ERROR	System error — not charged

Status Flow

QUEUED → PROCESSING → COMPLETED
                    → FAILED
                    → ERROR

Typical Workflow

Send a generate request to the API endpoint
Save the request_id from the response
Poll every 5-10 seconds: GET /v2/requests/status/{request_id}
When status is "COMPLETED", download from output.media_url

Tip: Use X-Webhook-URL header to get a callback instead of polling.

GPT Image 2 Text to Image API Pricing

Resolution	Price (USD)
auto	$0.128
low	$0.012
medium	$0.047
high	$0.128

2. GPT Image v1.5

GPT Image v1.5 Text to Image API Documentation

https://gateway.pixazo.ai/gpt-image-1-5-api-923/v1

Authentication

All requests require an API key passed via header.

Header	Type	Required	Description
Ocp-Apim-Subscription-Key	string	Yes	Your API subscription key

GPT-Image 1.5 API generate request - GPT Image 1.5 API

Request Code

POST https://gateway.pixazo.ai/gpt-image-1-5-api-923/v1/gpt-image-1-5-api-request
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_SUBSCRIPTION_KEY

{
  "prompt": "create a realistic image taken with iphone at these coordinates 41°43′32″N 49°56′49″W 15 April 1912",
  "image_size": "1024x1024",
  "background": "auto",
  "quality": "high",
  "num_images": 1,
  "output_format": "png"
}

import requests

url = "https://gateway.pixazo.ai/gpt-image-1-5-api-923/v1/gpt-image-1-5-api-request"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_SUBSCRIPTION_KEY"
}
data = {
    "prompt": "create a realistic image taken with iphone at these coordinates 41°43′32″N 49°56′49″W 15 April 1912",
    "image_size": "1024x1024",
    "background": "auto",
    "quality": "high",
    "num_images": 1,
    "output_format": "png"
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

const url = 'https://gateway.pixazo.ai/gpt-image-1-5-api-923/v1/gpt-image-1-5-api-request';
const headers = {
  'Content-Type': 'application/json',
  'Cache-Control': 'no-cache',
  'Ocp-Apim-Subscription-Key': 'YOUR_SUBSCRIPTION_KEY'
};
const data = {
  prompt: 'create a realistic image taken with iphone at these coordinates 41°43′32″N 49°56′49″W 15 April 1912',
  image_size: '1024x1024',
  background: 'auto',
  quality: 'high',
  num_images: 1,
  output_format: 'png'
};

fetch(url, {
  method: 'POST',
  headers: headers,
  body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data))
.catch(error => console.error('Error:', error));

curl -X POST "https://gateway.pixazo.ai/gpt-image-1-5-api-923/v1/gpt-image-1-5-api-request" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_SUBSCRIPTION_KEY" \
  --data-raw '{
    "prompt": "create a realistic image taken with iphone at these coordinates 41°43′32″N 49°56′49″W 15 April 1912",
    "image_size": "1024x1024",
    "background": "auto",
    "quality": "high",
    "num_images": 1,
    "output_format": "png"
  }'

Output

{
  "request_id": "gpt-image-1-5-api-923_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/gpt-image-1-5-api-923_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your generate request to receive a POST callback instead of polling.

X-Webhook-URL: https://your-server.com/webhook/callback

Request Parameters - GPT-Image 1.5 API generate request

Parameter	Required	Type	Description
prompt	Yes	string	A detailed text description of the desired image. The model interprets this prompt to generate visuals with high fidelity.
image_size	Optional	string	Dimensions of the generated image. Supports standard aspect ratios.
background	Optional	string	Background handling mode. Use "auto" for intelligent background inference, or specify a color/texture if supported.
quality	Optional	string	Rendering quality level. "high" produces more detailed outputs with longer processing. "standard" is faster but less detailed.
num_images	Optional	integer	Number of distinct images to generate in a single request.
output_format	Optional	string	File format of the generated image. Supported formats: "png", "jpeg", "webp".

Example Request

{
  "prompt": "create a realistic image taken with iphone at these coordinates 41°43′32″N 49°56′49″W 15 April 1912",
  "image_size": "1024x1024",
  "background": "auto",
  "quality": "high",
  "num_images": 1,
  "output_format": "png"
}

Response

{
  "request_id": "gpt-image-1-5-api-923_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/gpt-image-1-5-api-923_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Request Headers

Header	Value
Content-Type	application/json
Cache-Control	no-cache
Ocp-Apim-Subscription-Key	YOUR_SUBSCRIPTION_KEY

Response Handling

Common status codes.

Code	Meaning
202	Accepted — Request queued
400	Bad Request
401	Unauthorized
402	Insufficient Balance
403	Forbidden
429	Too Many Requests
500	Internal Server Error

Error Responses

Queue system errors and model validation errors.

Queue System Errors

// 402 — Insufficient balance
{
  "error": "Insufficient Balance",
  "message": "Your wallet does not have enough balance."
}

// 400 — Model not found
{
  "error": "Model not found",
  "message": "Model 'gpt-image-1-5-api-923' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "gpt-image-1-5-api-923_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "gpt-image-1-5-api-923",
  "error": "Description of the error",
  "output": null
}

Retrieving Results

Poll the universal status endpoint to check progress and retrieve results.

Endpoint

GET https://gateway.pixazo.ai/v2/requests/status/{request_id}
Ocp-Apim-Subscription-Key: YOUR_API_KEY

cURL Example

curl -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  "https://gateway.pixazo.ai/v2/requests/status/gpt-image-1-5-api-923_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "gpt-image-1-5-api-923_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "gpt-image-1-5-api-923",
  "error": null,
  "output": {
    "media_url": [
      "https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/gpt-image-1-5-api-923_019dxxxx-xxxx/output.ext"
    ],
    "media_type": "application/octet-stream"
  },
  "created_at": "2026-03-31T10:00:00.000Z",
  "updated_at": "2026-03-31T10:00:15.000Z",
  "completed_at": "2026-03-31T10:00:15.000Z"
}

Response Fields

Field	Type	Description
request_id	string	Unique request identifier
status	string	QUEUED, PROCESSING, COMPLETED, FAILED, or ERROR
model_id	string	Model that processed the request
error	string\|null	Error message if failed
output.media_url	array	URLs to generated media (R2 CDN)
output.media_type	string	MIME type of the output
created_at	string	When request was created
completed_at	string\|null	When request completed
polling_url	string	Status URL (initial response only)

Status Values

Status	Description
QUEUED	Request accepted, waiting to be processed
PROCESSING	Being processed by the model
COMPLETED	Done — output contains the result
FAILED	Failed — check error field
ERROR	System error — not charged

Status Flow

QUEUED → PROCESSING → COMPLETED
                    → FAILED
                    → ERROR

Typical Workflow

Send a generate request to the API endpoint
Save the request_id from the response
Poll every 5-10 seconds: GET /v2/requests/status/{request_id}
When status is "COMPLETED", download from output.media_url

Tip: Use X-Webhook-URL header to get a callback instead of polling.

GPT Image v1.5 Text to Image API Pricing

No data available

Could not load current pricing