# Image API: generation and editing models

> Choose Chinese image models by verified text-to-image, image-to-image, editing, and resolution capabilities, then run the correct API request.

- Canonical: https://chinaapi.ai/image-api/
- Updated: 2026-08-08
- Tasks: text-to-image, image-to-image, image-editing, high-resolution
- Endpoint: `POST /v1/images/generations`
- Inputs: A text prompt; models explicitly tagged for image-to-image or editing may also accept a source image.
- Outputs: A generated or edited image payload/URL in the format supported by the selected model.
- Lifecycle: Synchronous request. Save the returned image URL or base64 payload before it expires.
- Limits: Do not assume editing, reference images, 4K output, aspect ratios, or batch sizes unless the selected model lists that capability.

## Models with matching catalog metadata

### [step-2x-large](https://chinaapi.ai/models/step-2x-large/)

- Tasks: text-to-image
- Endpoint: `POST https://api.chinaapi.ai/v1/images/generations`
- Cost example: 1 image × $0.0155 = $0.0155.

### [step-image-edit-2](https://chinaapi.ai/models/step-image-edit-2/)

- Tasks: image-editing
- Endpoint: `POST https://api.chinaapi.ai/v1/images/generations`
- Cost example: 1 image × $0.0035 = $0.0035.

### [image-01](https://chinaapi.ai/models/image-01/)

- Tasks: text-to-image
- Endpoint: `POST https://api.chinaapi.ai/v1/images/generations`
- Cost example: 1 image × $0.0035 = $0.0035.

### [doubao-seedream-5-0-260128](https://chinaapi.ai/models/doubao-seedream-5-0-260128/)

- Tasks: text-to-image, image-to-image, high-resolution
- Endpoint: `POST https://api.chinaapi.ai/v1/images/generations`
- Cost example: 1 image × $0.030556 = $0.030556.

### [wan2.7-image](https://chinaapi.ai/models/wan2.7-image/)

- Tasks: text-to-image, image-editing
- Endpoint: `POST https://api.chinaapi.ai/v1/images/generations`
- Cost example: 1 image × $0.027778 = $0.027778.

### [wan2.7-image-pro](https://chinaapi.ai/models/wan2.7-image-pro/)

- Tasks: text-to-image, image-editing, high-resolution
- Endpoint: `POST https://api.chinaapi.ai/v1/images/generations`
- Cost example: 1 image × $0.069444 = $0.069444.

Displayed prices are generated from `scripts/models-data.json`, synchronized against the ChinaAPI gateway. Media service margin, if any, is included in the displayed USD rate and is not added separately.

Source: https://chinaapi.ai/data/model-pricing/ · updated 2026-08-08.