> ## Documentation Index
> Fetch the complete documentation index at: https://docs.modelslab.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Text to Image
> Generate images fast with normal quality, where speed is more critical than high resolution.
This API currently supports the following image formats: **`PNG`** and **`JPG`**.
## Request
Make a `POST` request to below endpoint and pass the required parameters as a request body.
```curl curl theme={null}
--request POST 'https://modelslab.com/api/v6/realtime/text2img' \
```
## Body
```json json theme={null}
{
"key": "your_api_key",
"prompt": "ultra realistic close up portrait ((beautiful pale cyberpunk female with heavy black eyeliner))",
"negative_prompt": "bad quality",
"width": "512",
"height": "512",
"safety_checker": false,
"seed": null,
"samples": 1,
"base64": false,
"webhook": null,
"track_id": null
}
```
## OpenAPI
````yaml POST /realtime/text2img
openapi: 3.1.0
info:
title: ModelsLab Real-Time Stable Diffusion API
description: >-
A comprehensive API for real-time AI-driven image generation, including
text-to-image, image-to-image, inpainting, and fetching queued results.
license:
name: MIT
version: 6.0.0
servers:
- url: https://modelslab.com/api/v6
description: Real-Time Stable Diffusion API v6 server
security: []
paths:
/realtime/text2img:
post:
summary: Generate image from text prompt (Real-Time)
description: >-
Rapid image generation with standard quality from a text prompt. Ideal
for applications where speed is more critical than high resolution.
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/RealtimeTextToImageRequest'
responses:
'200':
description: Text-to-image generation response
content:
application/json:
schema:
oneOf:
- $ref: >-
#/components/schemas/RealtimeImageGenerationSuccessResponse
- $ref: >-
#/components/schemas/RealtimeImageGenerationProcessingResponse
- $ref: '#/components/schemas/RealtimeImageGenerationErrorResponse'
'400':
$ref: '#/components/responses/StandardErrorResponse'
'401':
$ref: '#/components/responses/StandardErrorResponse'
'500':
$ref: '#/components/responses/StandardErrorResponse'
components:
schemas:
RealtimeTextToImageRequest:
type: object
allOf:
- $ref: '#/components/schemas/RealtimeCommonImageGenerationParams'
required:
- key
- prompt
RealtimeImageGenerationSuccessResponse:
type: object
properties:
status:
type: string
enum:
- success
description: Status of the image generation.
generationTime:
type: number
description: Time taken to generate the image in seconds.
id:
type: integer
description: Unique identifier for the image generation request.
output:
type: array
items:
type: string
format: uri
description: Array of generated image URLs.
proxy_links:
type: array
items:
type: string
format: uri
description: Array of proxy image URLs.
meta:
type: object
description: Metadata about the image generation including all parameters used.
additionalProperties: true
nsfw_content_detected:
type: boolean
description: Indicates if NSFW content was detected in the generated image.
RealtimeImageGenerationProcessingResponse:
type: object
properties:
status:
type: string
enum:
- processing
description: Status of the image generation.
tip:
type: string
description: Information about faster processing options.
eta:
type: number
description: Estimated time for completion in seconds.
message:
type: string
description: Processing status message.
fetch_result:
type: string
format: uri
description: URL to fetch the result when processing.
id:
type: integer
description: Unique identifier for the image generation request.
output:
type: array
items:
type: string
description: Empty array during processing.
meta:
type: object
description: Metadata about the image generation including all parameters used.
additionalProperties: true
future_links:
type: array
items:
type: string
format: uri
description: Array of future image URLs for queued requests.
RealtimeImageGenerationErrorResponse:
type: object
required:
- status
- message
properties:
status:
type: string
enum:
- error
message:
type: string
description: Error message description.
RealtimeCommonImageGenerationParams:
type: object
properties:
key:
type: string
description: Your API Key used for request authorization.
prompt:
type: string
description: >-
Text prompt with description of the things you want in the image to
be generated.
negative_prompt:
type: string
description: Items you don't want in the image.
width:
type: integer
default: 512
maximum: 1024
description: 'Width of the generated image in pixels. Max: 1024.'
height:
type: integer
default: 512
maximum: 1024
description: 'Height of the generated image in pixels. Max: 1024.'
samples:
type: integer
default: 1
maximum: 4
description: Number of images to be returned in response. Maximum value is 4.
safety_checker:
type: boolean
default: false
description: >-
A checker for NSFW images. If such an image is detected, it will be
replaced by a blank image.
seed:
oneOf:
- type: integer
- type: 'null'
description: >-
Seed is used to reproduce results; the same seed will give you the
same image in return. Pass 'null' for a random number.
instant_response:
type: boolean
default: false
description: >-
Queue response instantly before processing finishes instead of
waiting a minimum amount of time.
base64:
type: boolean
default: false
description: Get response as base64 string.
webhook:
type: string
format: uri
description: URL to get a POST API call once the image generation is complete.
track_id:
type: string
description: >-
This ID is returned in the response to the webhook API call and is
used to identify the webhook request.
responses:
StandardErrorResponse:
description: >-
Bad request (invalid parameters), unauthorized (invalid API key), or
internal server error.
content:
application/json:
schema:
$ref: '#/components/schemas/RealtimeImageGenerationErrorResponse'
````