Authentication

Creating API Keys

API keys are managed from your PostCapture dashboard. To create a key:

1. Sign in to your PostCapture account
2. Navigate to Dashboard → API
3. Click Create New Key and give it a name
4. Copy the key immediately — it is only shown once

All keys are prefixed with sk_ for easy identification.

Passing the Key

Include your API key as a query parameter named apiKey:

1curl "https://postcapture.com/api/screenshot?postUrl=YOUR_POST_URL&apiKey=sk_your_api_key"

Security Best Practices

• •Use environment variables. Store keys in .env files and load them at runtime.
• •Server-side only. Make API calls from your backend, never directly from the browser.
• •Rotate keys regularly. If a key is compromised, delete it from the dashboard and create a new one.
• •Use descriptive names. Name keys after the service or environment (e.g., “production-backend”, “staging”).

Authentication Errors

1{
2  "error": "Missing required parameter: apiKey"
3}

1{
2  "error": "Invalid API key",
3  "details": "KEY_NOT_FOUND"
4}