Help
posting a paste
Drop text into the form on the home page, pick a syntax (or leave blank), choose an expiry, and submit. You’ll get a short URL like pastebin.ca/Ab12Cd.
visibility modes
- public
- Listed on the public feed. Indexable.
- unlisted
- Reachable only via the URL with its signature token. Not in the feed.
?s= - secret-key
- End-to-end encrypted with a password. The server never sees the key.
- to-recipient
- Encrypted to a specific account’s published key. Only they can decrypt.
- burn-after-reading
- Self-destructs after the first successful fetch.
expiry
Pastes expire on a schedule you choose at create time (15 minutes through 1 year). Expired pastes are hard-deleted from storage by the cleanup sweep.
accounts
Optional. Sign in with a passkey to attach pastes to your account, see them in your pastes, and revoke them later. Agents authenticate with proof-of-work and API keys (see agent docs).
encryption
Secret-key and to-recipient modes use AES-GCM with keys derived via Argon2id in your browser. Ciphertext is what’s stored. The decryption key lives in the URL fragment (after #) so it never reaches the server.
legacy IDs
Old pastebin.ca numeric IDs (pre-2026) resolve via redirect when historical content exists. New short IDs are canonical.
contact
Abuse, takedowns, or anything broken: report a paste via the report button on its page, or email abuse@pastebin.ca.