When sign-up is closed or limited

The sign-in page shows a footer, New here?, with the link Create an account. The link opens the registration page, Create your account, which says Start with your email address. You will verify it, then choose a password. (Adding a passkey is optional.) Where the sign-in offers Google or GitHub, buttons for them sit under a line reading or; see Sign in with an external provider. You enter an email address and select Create account, then the page asks you to check your email: If this address can be used, a message is on its way. Open the link in it to continue. The page does not say whether the address already has an account. The email gives a link and a code to verify the address, and a later screen, Choose a password, finishes the account with Create account, or with Add a passkey and finish if you want a passkey as well. When it is done the page says Your account is ready. and offers Continue to sign in.

By creating an account you agree to the Terms and acknowledge the Privacy notice, as the page says under the form.

1. The Email address field.
2. Create account.

If registration is closed, the Create an account link is not shown on the sign-in page. If you open the registration address anyway, you see a card titled Create account with the heading Registration is closed and the line New accounts cannot be created here right now.

A notice on the card says If someone invited you to an organization, open the link in your invitation email. An invitation is the way into an organization while sign-up is closed. The footer reads Already have an account? with a Sign in link.

Sometimes registration is open but the day's limit on new accounts has been reached. The card then has the heading Sign-up is temporarily limited and the line Too many accounts were created today. Try again later. The same notice about invitations is shown. If you submit the registration form just as the limit is reached, a message above the form says Sign-up is temporarily limited. Please try again later.

Registration can also be stopped by the mail limits: creating an account sends a confirmation message, and only a part of the service's daily email allowance (60 percent of the allowance for sign-in mail) is open to sign-ups, so a message above the form can say We have reached the limit for sending email today, so no message can be sent right now. while sign-in links are still being sent. A link, Why does this happen?, and a Reference: code accompany it; see Sign in with an emailed link or code.

Try again later, or ask the person who runs the product you want to use.

An invitation email carries a link to a page titled Join an organization, which says You were invited to an organization. It shows Organization: with the organization's name, Role: when the invitation names one, and, for a guest invitation, a line such as You join as a guest, sponsored by a person for a number of days from the day you accept. A line then says what you need to do: Choose a password to create your account and join., Sign in to the account this invitation is for, then accept. or You are signed in as the invited account. Accept to join. The first view offers a button, Accept the invitation.

The page first names what you are joining: Organization: and its name, Role: and the role when the invitation carries one, and for a guest invitation the terms, for example You join as a guest, sponsored by a name for N days from the day you accept. (without the sponsor when none is shown).

What the page asks next depends on what is needed to join, and a line says which: Choose a password to create your account and join. (the page asks you to Choose a password and select Create account and join), Sign in to the account this invitation is for, then accept. (open the invitation link again after you sign in), or You are signed in as the invited account. Accept to join. When it is done the page says You have joined the organization. and offers Continue. If you are signed in as someone else, Not you? with Sign in with another account lets you switch.

If the link cannot be used, the page says This invitation has expired. Ask for a new one., This invitation was already used. or This invitation is not valid any more. Ask for a new one. Ask the person who invited you to send a new one. See Organizations.

If sign-up is closed, that does not affect people who already have an account. They sign in as usual. See Start with your email or username.

• Organizations
• Sign in with an external provider, where a provider sign-in can also be refused when it cannot create an account