Manage your subscription

Your API key is your login. Paste it below and we open your billing portal — the same place your card, plan and invoices live. Nothing here needs a ticket.

• Change cardUpdate the payment method before the next renewal.
• Switch planStarter ↔ Flat, monthly ↔ annual, prorated.
• InvoicesDownload every invoice, issued by FLUXIUM LTDA.
• CancelTakes effect at the end of the paid period. Nothing renews after.

API key

Sent to your e-mail when you signed up. The key never leaves your browser except to our API over HTTPS, and is not stored on this page.

Open billing portal

Lost your key? Sign up again with the same e-mail and we send a fresh claim link; your plan stays. Rather talk to a person? contato@fluxium.pro.