Paste the id into the verifier and you have your answer, with nothing to sign up for and nobody to email.
tenurable.com/verify takes an id and returns the course and the month and whether it is valid.
Verify a certificateA certificate id resolves at tenurable.com/verify. You see the course and the month and the holder, with no account and no request to the candidate.
Each id is signed when it issues. A changed name or course or date stops verifying. A screenshot proves nothing.
Every class and every figure a course teaches is listed on this site. You can read what the certificate covers before you ask about it.
It says twelve classes were finished and a final passed on a date. Tenurable is not accredited and a certificate is not a degree.
Bulk checks and a feed a recruiting system can read are the two asks that come up most. Both are worth building for the teams that need them.
Send what you would use.