Check how a link previews on X, LinkedIn, Facebook and chat apps (Open Graph and Twitter card tags)
POST/tools/link-preview-checker
Check how a link previews on X, LinkedIn, Facebook and chat apps (Open Graph and Twitter card tags). The same logic as the free web tool at https://postboost.co/tools/link-preview-checker. No account needed: call it without a token, or with any API token.
Request
Responses
- 200
- 401
- 413
- 422
- 429
- 504
The tool output.
Response Headers
Calls allowed in the limit window closest to running out.
Calls left in that window.
Missing or invalid API token.
The request body is larger than 128 KB.
Validation failed.
Rate limit reached. Without a token: 30 calls per minute and 20 per UTC day per IP address (IPv6 per /64). With a token: 300 per minute and 200 per UTC day per user.
Response Headers
Calls allowed in the limit window closest to running out.
Calls left in that window.
Seconds until the limit resets.
The page did not load in time, or the connection failed.