Facebook Checker
Endpoints
check_one_program 1
What is the Facebook Checker API?
Verify Facebook accounts by email, phone, or username. Extract numerical Profile IDs, avatar images, custom photo flags, and linked Instagram accounts.
Facebook Checker API is available on the JoJ API marketplace. Subscribe with a single JoJ API key, call it through one gateway, and pay from one wallet — no separate account or contract with the provider.
Facebook Checker API endpoints
- POST
/check$0.01 / callSingle Check
Verify Facebook account existence by email, phone, or username. Returns live status and, when available depending on the target account and input type, numerical Profile IDs, HD profile photos, custom avatar flags, and linked Instagram accounts.
Frequently asked questions about Facebook Checker API
What input formats are supported for Facebook lookups?
You can query by email address ([email protected]), international phone number in E.164 format (+14155552671), or Facebook vanity username (e.g. zuck).
What metadata is returned when an account is found?
When resolved, the API returns the exact numerical Facebook Profile ID (profile_id), high-resolution profile avatar URL (photo_url), custom avatar indicator (is_custom_photo), linked Instagram user ID (linked_instagram_id), and direct profile link (profile_url).
Are queries executed in real time?
Yes, every query performs live real-time verification directly against Facebook services with zero reliance on stale data dumps.
How does rate limiting work across plans?
Standard plans allow 1 request per second with burst tolerance. Subscriptions provide monthly quota pools that decrement on successful queries.
Where can I access a visual dashboard or bulk CSV scanning?
Visit OSINT Trace at https://osinttrace.com for unified single searches, bulk CSV batch jobs, and downloadable OSINT reports.