Generate or Edit Images

curl --request POST \
  --url https://secureai.hiperai.ai/api/external/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'prompt=A beautiful sunset over the ocean with mountains in the background, digital art style' \
  --form image='@example-file' \
  --form smltp_policy=internal \
  --form response_format=url \
  --form size=1024x1024 \
  --form n=1

import requests

url = "https://secureai.hiperai.ai/api/external/images/generations"

files = { "image": ("example-file", open("example-file", "rb")) }
payload = {
    "prompt": "A beautiful sunset over the ocean with mountains in the background, digital art style",
    "smltp_policy": "internal",
    "response_format": "url",
    "size": "1024x1024",
    "n": "1"
}
headers = {"Authorization": "Bearer <token>"}

response = requests.post(url, data=payload, files=files, headers=headers)

print(response.text)

const form = new FormData();
form.append('prompt', 'A beautiful sunset over the ocean with mountains in the background, digital art style');
form.append('image', '<string>');
form.append('smltp_policy', 'internal');
form.append('response_format', 'url');
form.append('size', '1024x1024');
form.append('n', '1');

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

options.body = form;

fetch('https://secureai.hiperai.ai/api/external/images/generations', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "success": true,
  "id": "90d3756f-41c3-4f86-a18d-e257bfbc33a3",
  "object": "image.generation",
  "created": 1705312200,
  "data": [
    {
      "url": "http://localhost:5173/uploads/secureai_image_api_68c5c6d2d57c85b102eb05e2_90d3756f_0.png",
      "revised_prompt": "A beautiful sunset over the ocean with mountains in the background, digital art style"
    }
  ],
  "metadata": {
    "model": "google/gemini-2.5-flash-image-preview",
    "provider": "Google",
    "total_images": 1,
    "is_image_to_image": false,
    "text_response": null,
    "smltp_trace_id": "trx-220eca66-5e3a-4a72-886b-e6ba8cde18a6",
    "smltp_bundle_id": "jti-bb850e61-fbfe-412a-8b0d-d180d4a36d22",
    "smltp_policy": "internal"
  }
}

{
  "success": false,
  "error": "Invalid prompt",
  "message": "Prompt is required and must be a non-empty string",
  "request_id": "90d3756f-41c3-4f86-a18d-e257bfbc33a3"
}

{
  "success": false,
  "error": "Invalid API key",
  "message": "The provided API key is invalid or has been revoked",
  "request_id": "req-abc123"
}

{
  "success": false,
  "error": "Invalid API key",
  "message": "The provided API key is invalid or has been revoked",
  "request_id": "req-abc123"
}

{
  "success": false,
  "error": "File too large",
  "message": "Maximum image size is 10MB",
  "request_id": "90d3756f-41c3-4f86-a18d-e257bfbc33a3"
}

{
  "success": false,
  "error": "Invalid API key",
  "message": "The provided API key is invalid or has been revoked",
  "request_id": "req-abc123"
}

{
  "success": false,
  "error": "Service unavailable",
  "message": "Image generation service is not configured",
  "request_id": "90d3756f-41c3-4f86-a18d-e257bfbc33a3"
}

Modelos & Generación AI

Generate Images

Generate new images from text prompts or transform existing images using Google Gemini 2.5 Flash Image. All requests and responses are processed through SMLTP for security and compliance.

This endpoint supports:

Text-to-Image: Generate images from text descriptions
Image-to-Image: Transform or edit existing images (upload an image file)

All prompts and responses are automatically processed through SMLTP for audit logging and compliance.

POST

images

generations

Generate or Edit Images

curl --request POST \
  --url https://secureai.hiperai.ai/api/external/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'prompt=A beautiful sunset over the ocean with mountains in the background, digital art style' \
  --form image='@example-file' \
  --form smltp_policy=internal \
  --form response_format=url \
  --form size=1024x1024 \
  --form n=1

import requests

url = "https://secureai.hiperai.ai/api/external/images/generations"

files = { "image": ("example-file", open("example-file", "rb")) }
payload = {
    "prompt": "A beautiful sunset over the ocean with mountains in the background, digital art style",
    "smltp_policy": "internal",
    "response_format": "url",
    "size": "1024x1024",
    "n": "1"
}
headers = {"Authorization": "Bearer <token>"}

response = requests.post(url, data=payload, files=files, headers=headers)

print(response.text)

const form = new FormData();
form.append('prompt', 'A beautiful sunset over the ocean with mountains in the background, digital art style');
form.append('image', '<string>');
form.append('smltp_policy', 'internal');
form.append('response_format', 'url');
form.append('size', '1024x1024');
form.append('n', '1');

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

options.body = form;

fetch('https://secureai.hiperai.ai/api/external/images/generations', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "success": true,
  "id": "90d3756f-41c3-4f86-a18d-e257bfbc33a3",
  "object": "image.generation",
  "created": 1705312200,
  "data": [
    {
      "url": "http://localhost:5173/uploads/secureai_image_api_68c5c6d2d57c85b102eb05e2_90d3756f_0.png",
      "revised_prompt": "A beautiful sunset over the ocean with mountains in the background, digital art style"
    }
  ],
  "metadata": {
    "model": "google/gemini-2.5-flash-image-preview",
    "provider": "Google",
    "total_images": 1,
    "is_image_to_image": false,
    "text_response": null,
    "smltp_trace_id": "trx-220eca66-5e3a-4a72-886b-e6ba8cde18a6",
    "smltp_bundle_id": "jti-bb850e61-fbfe-412a-8b0d-d180d4a36d22",
    "smltp_policy": "internal"
  }
}

{
  "success": false,
  "error": "Invalid prompt",
  "message": "Prompt is required and must be a non-empty string",
  "request_id": "90d3756f-41c3-4f86-a18d-e257bfbc33a3"
}

{
  "success": false,
  "error": "Invalid API key",
  "message": "The provided API key is invalid or has been revoked",
  "request_id": "req-abc123"
}

{
  "success": false,
  "error": "Invalid API key",
  "message": "The provided API key is invalid or has been revoked",
  "request_id": "req-abc123"
}

{
  "success": false,
  "error": "File too large",
  "message": "Maximum image size is 10MB",
  "request_id": "90d3756f-41c3-4f86-a18d-e257bfbc33a3"
}

{
  "success": false,
  "error": "Invalid API key",
  "message": "The provided API key is invalid or has been revoked",
  "request_id": "req-abc123"
}

{
  "success": false,
  "error": "Service unavailable",
  "message": "Image generation service is not configured",
  "request_id": "90d3756f-41c3-4f86-a18d-e257bfbc33a3"
}

Generate Images

Generate new images from text prompts or transform existing images using Google Gemini 2.5 Flash Image.

Endpoint

POST /images/generations

Description

Generate new images from text descriptions or transform existing images. This endpoint supports:

Text-to-Image: Generate images from text descriptions
Image-to-Image: Transform or edit existing images (upload an image file)

All prompts and responses are automatically processed through SMLTP for audit logging and compliance.

Authentication

Required: API Key

Authorization: Bearer sk-your-api-key-here

Request Body

This endpoint accepts both multipart/form-data (for file uploads) and application/json formats.

Parameters

Parameter	Type	Required	Description
`prompt`	string	Yes	Text prompt describing the image to generate or how to transform the uploaded image (1-4000 characters)
`image`	binary	No	Image file for image-to-image generation (JPEG, PNG, WEBP, or GIF, max 10MB)
`smltp_policy`	string	No	SMLTP security policy (default: “internal”)
`response_format`	string	No	Response format: “url” or “b64_json” (default: “url”)
`size`	string	No	Image size (default: “1024x1024”)
`n`	integer	No	Number of images to generate (1-4, default: 1)

Request Examples

Text-to-Image (JSON)

curl -X POST "https://{customer.name}.hiperai.ai/api/external/images/generations" \
  -H "Authorization: Bearer sk-your-api-key-here" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A beautiful sunset over the ocean with mountains in the background, digital art style",
    "smltp_policy": "internal",
    "response_format": "url",
    "n": 1
  }'

Image-to-Image (Multipart Form Data)

curl -X POST "https://{customer.name}.hiperai.ai/api/external/images/generations" \
  -H "Authorization: Bearer sk-your-api-key-here" \
  -F "prompt=Add dramatic sunset colors to the sky" \
  -F "image=@/path/to/image.jpg" \
  -F "smltp_policy=internal" \
  -F "response_format=url"

JavaScript/Node.js

// Text-to-Image
const response = await fetch('https://{customer.name}.hiperai.ai/api/external/images/generations', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer sk-your-api-key-here',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    prompt: 'A beautiful sunset over the ocean with mountains in the background, digital art style',
    smltp_policy: 'internal',
    response_format: 'url',
    n: 1
  })
});

const data = await response.json();
console.log('Generated image URL:', data.data[0].url);

// Image-to-Image
const formData = new FormData();
formData.append('prompt', 'Add dramatic sunset colors to the sky');
formData.append('image', fileInput.files[0]);
formData.append('smltp_policy', 'internal');
formData.append('response_format', 'url');

const response2 = await fetch('https://{customer.name}.hiperai.ai/api/external/images/generations', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer sk-your-api-key-here'
  },
  body: formData
});

const data2 = await response2.json();
console.log('Edited image URL:', data2.data[0].url);

Python

import requests

# Text-to-Image
url = "https://{customer.name}.hiperai.ai/api/external/images/generations"
headers = {
    "Authorization": "Bearer sk-your-api-key-here",
    "Content-Type": "application/json"
}
data = {
    "prompt": "A beautiful sunset over the ocean with mountains in the background, digital art style",
    "smltp_policy": "internal",
    "response_format": "url",
    "n": 1
}

response = requests.post(url, headers=headers, json=data)
result = response.json()
print('Generated image URL:', result['data'][0]['url'])

# Image-to-Image
with open('image.jpg', 'rb') as f:
    files = {'image': f}
    data = {
        'prompt': 'Add dramatic sunset colors to the sky',
        'smltp_policy': 'internal',
        'response_format': 'url'
    }
    response = requests.post(url, headers={'Authorization': 'Bearer sk-your-api-key-here'}, files=files, data=data)
    result = response.json()
    print('Edited image URL:', result['data'][0]['url'])

Response

Success Response (200)

{
  "success": true,
  "id": "90d3756f-41c3-4f86-a18d-e257bfbc33a3",
  "object": "image.generation",
  "created": 1705312200,
  "data": [
    {
      "url": "http://localhost:5173/uploads/secureai_image_api_68c5c6d2d57c85b102eb05e2_90d3756f_0.png",
      "revised_prompt": "A beautiful sunset over the ocean with mountains in the background, digital art style"
    }
  ],
  "metadata": {
    "model": "google/gemini-2.5-flash-image-preview",
    "provider": "Google",
    "total_images": 1,
    "is_image_to_image": false,
    "text_response": null,
    "smltp_trace_id": "trx-220eca66-5e3a-4a72-886b-e6ba8cde18a6",
    "smltp_bundle_id": "jti-bb850e61-fbfe-412a-8b0d-d180d4a36d22",
    "smltp_policy": "internal"
  }
}

Response Fields

Field	Type	Description
`success`	boolean	Always true for successful requests
`id`	string	Unique request identifier
`object`	string	Object type: “image.generation”
`created`	integer	Unix timestamp of when images were created
`data`	array	Array of generated images
`metadata`	object	Additional metadata including SMLTP tracking

Image Object

Field	Type	Description
`url`	string	URL to access the generated image (when response_format is “url”)
`b64_json`	string	Base64-encoded image data (when response_format is “b64_json”)
`revised_prompt`	string	The prompt actually used for generation (may differ from input)

Metadata Object

Field	Type	Description
`model`	string	Model used: “google/gemini-2.5-flash-image-preview”
`provider`	string	Provider: “Google”
`total_images`	integer	Total number of images generated
`is_image_to_image`	boolean	Whether this was an image-to-image generation
`text_response`	string\|null	Optional text response from the model
`smltp_trace_id`	string	SMLTP trace ID for audit tracking
`smltp_bundle_id`	string	SMLTP bundle ID for audit tracking
`smltp_policy`	string	SMLTP policy that was applied

Error Responses

400 Bad Request

{
  "success": false,
  "error": "Invalid prompt",
  "message": "Prompt is required and must be a non-empty string",
  "request_id": "90d3756f-41c3-4f86-a18d-e257bfbc33a3"
}

401 Unauthorized

{
  "success": false,
  "error": "Invalid API key",
  "message": "The provided API key is invalid or has been revoked"
}

403 Forbidden

{
  "success": false,
  "error": "Access denied",
  "message": "SMLTP policy not allowed"
}

413 Payload Too Large

{
  "success": false,
  "error": "File too large",
  "message": "Maximum image size is 10MB",
  "request_id": "90d3756f-41c3-4f86-a18d-e257bfbc33a3"
}

500 Internal Server Error

{
  "success": false,
  "error": "Internal server error",
  "message": "Image generation failed"
}

503 Service Unavailable

{
  "success": false,
  "error": "Service unavailable",
  "message": "Image generation service is not configured",
  "request_id": "90d3756f-41c3-4f86-a18d-e257bfbc33a3"
}

Notes

Supported image formats for upload: JPEG, PNG, WEBP, GIF
Maximum file size: 10MB per image
When uploading an image, the prompt describes how to transform it
Gemini typically generates 1-4 images per request
All requests are processed through SMLTP for security and compliance
Use response_format: "b64_json" to receive base64-encoded image data instead of URLs

Authorizations

Authorization

string

header

required

API key authentication using Bearer token format. Example: Authorization: Bearer sk-your-api-key-here

Body

prompt

string

required

The text prompt describing the image to generate or how to transform the uploaded image

Required string length: 1 - 4000

Example:

"A beautiful sunset over the ocean with mountains in the background, digital art style"

image

file

Optional image file for image-to-image generation (JPEG, PNG, WEBP, or GIF, max 10MB)

smltp_policy

string

default:internal

SMLTP security policy to apply (e.g., 'internal', 'public', 'confidential', 'hipaa', 'gdpr')

Example:

"internal"

response_format

enum<string>

default:url

The format of the response images

Available options:

url,

b64_json

Example:

"url"

size

string

default:1024x1024

The size of the generated images (for future use, currently uses default size)

Example:

"1024x1024"

integer

default:1

Number of images to generate (Gemini typically generates 1-4 images)

Required range: 1 <= x <= 4

Example:

1

Response

Images generated successfully

success

boolean

Example:

true

string

Unique request identifier

Example:

"90d3756f-41c3-4f86-a18d-e257bfbc33a3"

object

string

Example:

"image.generation"

created

integer

Unix timestamp of when the images were created

Example:

1705312200

data

object[]

Array of generated images

Show child attributes

metadata

object

Show child attributes

Primeros Pasos & Setup

Modelos & Generación AI

Knowledge Base & RAG

Seguridad, Guardrails & Auditoría

Usuarios & Acceso (IAM)

Facturación, Cuotas & Webhooks

Generate Images

Generate Images

Endpoint

Description

Authentication

Request Body

Parameters

Request Examples

Text-to-Image (JSON)

Image-to-Image (Multipart Form Data)

JavaScript/Node.js

Python

Response

Success Response (200)

Response Fields

Image Object

Metadata Object

Error Responses

400 Bad Request

401 Unauthorized

403 Forbidden

413 Payload Too Large

500 Internal Server Error

503 Service Unavailable

Notes

Authorizations

Body

Response

​Generate Images

​Endpoint

​Description

​Authentication

​Request Body

​Parameters

​Request Examples

​Text-to-Image (JSON)

​Image-to-Image (Multipart Form Data)

​JavaScript/Node.js

​Python

​Response

​Success Response (200)

​Response Fields

​Image Object

​Metadata Object

​Error Responses

​400 Bad Request

​401 Unauthorized

​403 Forbidden

​413 Payload Too Large

​500 Internal Server Error

​503 Service Unavailable

​Notes

Authorizations

Body

Response

Generate Images

Endpoint

Description

Authentication

Request Body

Parameters

Request Examples

Text-to-Image (JSON)

Image-to-Image (Multipart Form Data)

JavaScript/Node.js

Python

Response

Success Response (200)

Response Fields

Image Object

Metadata Object

Error Responses

400 Bad Request

401 Unauthorized

403 Forbidden

413 Payload Too Large

500 Internal Server Error

503 Service Unavailable

Notes