Documentation Index
Fetch the complete documentation index at: https://docs.eversince.ai/llms.txt
Use this file to discover all available pages before exploring further.
List models
Returns all available generation models with their capabilities and supported features.
| Parameter | Type | Description |
|---|
type | string | Filter by video or image. |
Response 200
{
"models": [
{
"id": "kling-3.0",
"name": "Kling 3.0",
"type": "video",
"generation_types": ["text-to-video", "image-to-video"],
"aspect_ratios": ["16:9", "9:16", "1:1"],
"durations": ["4s", "6s", "8s"],
"resolutions": ["1080p"],
"has_sound": true,
"supports_audio_toggle": true,
"supports_audio_input": false,
"supports_image_input": true,
"supports_end_frame": false,
"supports_multi_shot": false,
"supports_reference_images": false,
"max_reference_images": null,
"supports_reference_videos": false,
"max_reference_videos": null,
"supports_video_input": false,
"max_input_video_duration": null,
"supports_negative_prompt": true,
"supports_camera_fixed": false,
"supports_camera_motion": true,
"camera_motion_options": ["static", "dolly_in", "dolly_out", "tracking_left", "tracking_right"],
"max_prompt_length": 2500
}
]
}
video_model, image_model) or when directing the agent to use a specific model.
List voices
Returns available voiceover voices with descriptions.
| Parameter | Type | Description |
|---|
gender | string | Filter by male, female, or neutral. |
Response 200
{
"voices": [
{
"name": "Isabella",
"gender": "female",
"age": "young adult",
"accent": "American",
"style": "warm, conversational",
"description": "Warm and engaging, ideal for lifestyle brands and conversational narration."
},
{
"name": "James",
"gender": "male",
"age": "middle-aged",
"accent": "British",
"style": "authoritative, cinematic",
"description": "Deep and commanding, suited for luxury brands and cinematic narration."
}
]
}
"Use the voice Isabella for the voiceover".
Estimate costs
Estimate credit costs for planned operations before committing.
Request body
| Parameter | Type | Required | Description |
|---|
operations | array | Yes | List of planned operations. Max 50. |
| Field | Type | Required | Description |
|---|
tool | string | Yes | generate_image, generate_video, generate_audio, upscale_media, analyze_media, remove_background, motion_overlay. |
model | string | Varies | Required for generate_image and generate_video. |
type | string | Varies | Required for generate_audio (voiceover, music, sound_effect) and upscale_media (image, video). |
duration | number | Varies | Required for generate_video (seconds). |
count | integer | No | Number of generations. Default 1, max 100. |
sound | boolean | No | Include audio in video generation. |
resolution | string | No | Output resolution. |
music_model | string | No | Music engine for audio generation. |
Response 200
{
"items": [
{
"operation": "generate_video",
"credits_per_unit": 55,
"count": 4,
"subtotal": 220
},
{
"operation": "generate_image",
"credits_per_unit": 12,
"count": 4,
"subtotal": 48
}
],
"total_credits": 268,
"is_partial": false,
"note": "Covers generation costs only. Agent reasoning costs are additional."
}
Example
curl -X POST https://eversince.ai/api/v1/estimate-cost \
-H "Authorization: Bearer $EVERSINCE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"operations": [
{ "tool": "generate_video", "model": "seedance-2.0", "duration": 5, "count": 4 },
{ "tool": "generate_image", "model": "nano-banana-pro", "count": 4 },
{ "tool": "generate_audio", "type": "voiceover", "duration": 15 },
{ "tool": "generate_audio", "type": "music", "duration": 15 }
]
}'
Discover existing projects
List projects created in the studio that are available for API management.
| Parameter | Type | Default | Description |
|---|
limit | integer | 20 | Results per page. 1–100. |
offset | integer | 0 | Pagination offset. |
title | string | | Search by title. |
Response 200
The title field can be null if the project has no title set.
{
"projects": [
{
"project_id": "proj_abc123",
"title": "My Project",
"aspect_ratio": "16:9",
"project_url": "https://eversince.ai/app/projects/...",
"created_at": "2025-03-15T10:30:00Z",
"updated_at": "2025-03-15T10:35:00Z"
}
],
"total": 5,
"limit": 20,
"offset": 0
}
Adopt a project
Take control of an existing studio project via the API.
Request body
| Parameter | Type | Required | Description |
|---|
project_id | string | Yes | The project ID from discovery. |
mode | string | No | autonomous or collaborative (default). |
Response 201 (newly adopted)
{
"id": "proj_abc123",
"status": "idle",
"mode": "collaborative",
"project_url": "https://eversince.ai/app/projects/..."
}
Response 200 (already adopted)
If the project was already adopted, returns the existing record with a message field.
{
"id": "proj_abc123",
"status": "idle",
"mode": "collaborative",
"project_url": "https://eversince.ai/app/projects/...",
"message": "Project already adopted"
}
