Validate data imports
before they break production

ImportGuard is an API-first service to validate CSV, Excel and JSON files using custom rules and generate clear, actionable error reports.

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Multiple formats

CSV, Excel and JSON supported out of the box.

Custom rules

Define validation rules directly in your request or config.

Clear error reports

Human-readable error messages your users understand.

API-first

Built for automation, CI and backend workflows.

How it works

  1. 1. Upload a file or send data via API
  2. 2. Define validation rules
  3. 3. ImportGuard validates and analyzes the data
  4. 4. Receive a structured error report

Example request

curl https://api.importguard.dev/validate \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -F "file=@users.csv" \
  -F 'rules={
    "email": { "required": true, "type": "email" },
    "age": { "min": 18 }
  }'

Start validating imports in minutes

Free tier included. No credit card required.

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