How do I login to the NIGP site? October 07, 2020 18:22 Updated To login please click on Login then use your e-mail address and a unique password to login. If you have forgotten your password or do not have one click here. Your new password must include a number and be between 4 to 8 characters in total. Related articles What is the purpose of the NIGP credentialing system? How do I register a group for a course? How do I change my personal information online?