mirror of https://github.com/snapotter-hq/SnapOtter.git synced 2026-08-03 07:46:42 +02:00

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Siddharth Kumar Sah 6668615750 docs: add VitePress documentation site with GitHub Pages deployment

Rewrites all documentation with accurate project details (Fastify, port
1349, single-container Docker, all 33+ tools, full database schema).
Adds getting started guide and configuration reference. Updates help and
settings dialogs to link to the docs site.

2026-03-22 21:00:37 +08:00

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REST API

The API server runs on port 1349 by default and serves all endpoints under /api. Interactive Swagger documentation is available at /api/docs when the server is running.

Authentication

Requests can be authenticated in two ways:

Session cookie -- Log in via POST /api/auth/login and the server sets a session cookie.
API key -- Pass an Authorization: Bearer si_... header with an API key.

Some endpoints (health check, login, Swagger docs) are public and don't require authentication.

Tools

Execute a tool

POST /api/v1/tools/:toolId
Content-Type: multipart/form-data

Send a multipart request with:

file -- The image file
settings -- JSON string with tool-specific options

Response:

{
  "jobId": "abc123",
  "downloadUrl": "/api/v1/download/abc123/output.png",
  "originalSize": 245000,
  "processedSize": 180000
}

Available tool IDs

Image operations: resize, crop, rotate, flip, convert, compress, strip-metadata, border

Color: color-adjustments, grayscale, sepia, invert, color-palette, replace-color

Text and codes: watermark-text, watermark-image, text-overlay, qr-generate, barcode-read, ocr

Composition: compose, collage, split, image-to-pdf

Analysis: info, compare, find-duplicates

Conversion: svg-to-raster, vectorize, favicon, gif-tools

AI-powered: remove-background, upscale, blur-faces, erase-object, smart-crop

Utility: bulk-rename

Batch processing

POST /api/v1/tools/:toolId/batch
Content-Type: multipart/form-data

Send multiple files with the same settings. Returns a ZIP file containing all processed images. The response includes an X-Job-Id header you can use to track progress.

File management

Upload files

POST /api/v1/upload
Content-Type: multipart/form-data

Upload one or more images. Returns file identifiers for use with other endpoints.

Download results

GET /api/v1/download/:jobId/:filename

Download a processed image by job ID and filename.

Pipelines

Pipelines chain multiple tools together. The output of each step becomes the input for the next.

Execute a pipeline

POST /api/v1/pipeline/execute
Content-Type: multipart/form-data

Body fields:

file -- The input image
steps -- JSON array of { "toolId": "resize", "settings": { ... } } objects

Response includes jobId, downloadUrl, and details about each completed step.

Save a pipeline

POST /api/v1/pipeline/save
Content-Type: application/json

{
  "name": "Thumbnail generator",
  "description": "Resize and compress for web thumbnails",
  "steps": [
    { "toolId": "resize", "settings": { "width": 200, "height": 200, "fit": "cover" } },
    { "toolId": "compress", "settings": { "quality": 80 } },
    { "toolId": "convert", "settings": { "format": "webp" } }
  ]
}

List saved pipelines

GET /api/v1/pipeline/list

Delete a pipeline

DELETE /api/v1/pipeline/:id

Progress tracking

For long-running jobs (AI operations, batch processing), you can track progress via Server-Sent Events.

GET /api/v1/jobs/:jobId/progress

The stream emits JobProgress objects:

{
  "status": "processing",
  "progress": 45,
  "completedFiles": ["image1.jpg", "image2.jpg"],
  "failedFiles": [],
  "errors": []
}

The connection closes automatically 5 seconds after the job completes.

API keys

Generate a key

POST /api/v1/api-keys
Content-Type: application/json

{ "name": "My integration" }

Returns the raw key (prefixed with si_). This is the only time the full key is shown.

List keys

GET /api/v1/api-keys

Returns key metadata (name, prefix, creation date) but not the full key.

Delete a key

DELETE /api/v1/api-keys/:id

Settings

Get all settings

GET /api/v1/settings

Update settings

PUT /api/v1/settings
Content-Type: application/json

Admin only. Accepts a JSON object of key-value pairs.

Auth endpoints

POST /api/auth/login
Content-Type: application/json

{ "username": "admin", "password": "admin" }

Returns a session token and sets a cookie.

Get current session

GET /api/auth/session

Change password

POST /api/auth/change-password
Content-Type: application/json

{ "currentPassword": "old", "newPassword": "new" }

List users (admin)

GET /api/auth/users

Create user (admin)

POST /api/auth/register
Content-Type: application/json

{ "username": "newuser", "password": "pass", "role": "user" }

Delete user (admin)

DELETE /api/auth/users/:id

Health check

GET /api/v1/health

Returns 200 OK if the server is running. Used by Docker's health check.

Rate limiting

All endpoints are rate-limited to RATE_LIMIT_PER_MIN requests per minute per IP (default: 100). When exceeded, the server returns 429 Too Many Requests.

Error responses

Errors follow a consistent format:

{
  "statusCode": 400,
  "error": "Bad Request",
  "message": "Invalid image format"
}

Common status codes:

400 -- Invalid input (bad format, missing required fields)
401 -- Not authenticated
403 -- Not authorized (e.g., non-admin trying admin endpoints)
413 -- File too large (exceeds MAX_UPLOAD_SIZE_MB)
429 -- Rate limited
500 -- Server error

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