---
title: Sourceful | Scenario Docs
---

> This page is auto-generated from model configurations. Last updated: 2026-04-09.

This reference lists all available **Sourceful** image generation models and their parameters. Use these parameter names when calling the [Generation API](/api/postgeneratecustom/index.md).

- [Riverflow 2.0 Fast](#riverflow-20-fast)
- [Riverflow 2.0 Pro](#riverflow-20-pro)
- [Riverflow 2.0 REFSR](#riverflow-20-refsr)

---

## Riverflow 2.0 Fast

Agentic image model optimized for high-quality, fast generations.

**Model ID:** `model_sourceful-riverflow-2-0-fast`

**Capabilities:** `txt2img`, `img2img`

**LLM Markdown:** <https://app.scenario.com/api/models/model_sourceful-riverflow-2-0-fast/markdown>

| Parameter             | Type          | Required | Default | Min | Max | Allowed Values                                                                  | Description                                         |
| --------------------- | ------------- | -------- | ------- | --- | --- | ------------------------------------------------------------------------------- | --------------------------------------------------- |
| `prompt`              | string        | Yes      | -       | -   | -   | -                                                                               | Generation instruction                              |
| `referenceImages`     | file\_array   | No       | -       | -   | -   | -                                                                               | Reference images to edit.                           |
| `superResolutionRefs` | file\_array   | No       | -       | -   | -   | -                                                                               | Optional reference images for detail fix            |
| `resolution`          | string        | No       | `1K`    | -   | -   | `1K`, `2K`                                                                      | Target resolution                                   |
| `aspectRatio`         | string        | No       | `auto`  | -   | -   | `auto`, `21:9`, `16:9`, `3:2`, `4:3`, `5:4`, `1:1`, `4:5`, `3:4`, `2:3`, `9:16` | Aspect ratio for output.                            |
| `fontUrls`            | string\_array | No       | -       | -   | -   | -                                                                               | Optional font URLs (ttf/otf/woff/woff2). Up to 2.   |
| `fontTexts`           | string\_array | No       | -       | -   | -   | -                                                                               | Text strings matching font\_urls (≤300 chars each). |
| `transparency`        | boolean       | No       | `false` | -   | -   | -                                                                               | Enable transparent background when supported.       |
| `enhancePrompt`       | boolean       | No       | `false` | -   | -   | -                                                                               | Let model enhance the instruction.                  |
| `maxIterations`       | number        | No       | `3`     | 1   | 3   | -                                                                               | Number of internal reasoning iterations.            |

## Riverflow 2.0 Pro

Agentic image model optimized for robust, high-precision generations supporting font control

**Model ID:** `model_sourceful-riverflow-2-0-pro`

**Capabilities:** `txt2img`, `img2img`

**LLM Markdown:** <https://app.scenario.com/api/models/model_sourceful-riverflow-2-0-pro/markdown>

| Parameter             | Type          | Required | Default | Min | Max | Allowed Values                                                                  | Description                                         |
| --------------------- | ------------- | -------- | ------- | --- | --- | ------------------------------------------------------------------------------- | --------------------------------------------------- |
| `prompt`              | string        | Yes      | -       | -   | -   | -                                                                               | Generation instruction                              |
| `referenceImages`     | file\_array   | No       | -       | -   | -   | -                                                                               | Reference images to edit.                           |
| `superResolutionRefs` | file\_array   | No       | -       | -   | -   | -                                                                               | Optional reference images for detail fix            |
| `resolution`          | string        | No       | `1K`    | -   | -   | `1K`, `2K`, `4K`                                                                | Target resolution                                   |
| `aspectRatio`         | string        | No       | `auto`  | -   | -   | `auto`, `21:9`, `16:9`, `3:2`, `4:3`, `5:4`, `1:1`, `4:5`, `3:4`, `2:3`, `9:16` | Aspect ratio for output.                            |
| `fontUrls`            | string\_array | No       | -       | -   | -   | -                                                                               | Optional font URLs (ttf/otf/woff/woff2). Up to 2.   |
| `fontTexts`           | string\_array | No       | -       | -   | -   | -                                                                               | Text strings matching font\_urls (≤300 chars each). |
| `transparency`        | boolean       | No       | `false` | -   | -   | -                                                                               | Enable transparent background when supported.       |
| `enhancePrompt`       | boolean       | No       | `false` | -   | -   | -                                                                               | Let model enhance the instruction.                  |
| `maxIterations`       | number        | No       | `3`     | 1   | 3   | -                                                                               | Number of internal reasoning iterations.            |

## Riverflow 2.0 REFSR

Render product images with 100% accuracy and environmental blending

**Model ID:** `model_sourceful-riverflow-2-0-refsr`

**Capabilities:** `img2img`

**LLM Markdown:** <https://app.scenario.com/api/models/model_sourceful-riverflow-2-0-refsr/markdown>

| Parameter                   | Type        | Required | Default | Min | Max | Allowed Values | Description                                     |
| --------------------------- | ----------- | -------- | ------- | --- | --- | -------------- | ----------------------------------------------- |
| `referenceImage`            | file        | Yes      | -       | -   | -   | -              | The base image to apply super resolution to.    |
| `superResolutionReferences` | file\_array | Yes      | -       | -   | -   | -              | Reference images for super resolution guidance. |