Envelope
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Definition
In e-signature platforms, an envelope is the container for one signing transaction: the document(s) being signed, the list of recipients with their roles and signing order, and the status and audit history of the whole exchange.
The word is a skeuomorph from DocuSign's early days: you put papers in an envelope and send it. Digitally, the envelope is the transaction record that groups everything about one signing request, covering what's being signed, by whom, in what order, what's happened so far, and what evidence accumulated along the way.
What lives inside one
The document or form being signed; the recipient roster with each person's role (signer, viewer, approver) and signing order (parallel, where everyone signs at once, or sequential, where signer 2 waits for signer 1); per-recipient access tokens so each person sees only their own signing session; status (sent, viewed, signed, declined, voided, expired); and the envelope-level audit trail tying it all together.
Why pricing models obsess over it
Most e-signature vendors meter by envelope, and the details bite: an envelope usually counts the moment it's sent, whether or not anyone signs, and allowances are smaller than they look, with DocuSign's Standard plan including 100 envelopes per user per year as of mid-2026. If your 'documents' are really forms collected at volume, like waivers and registrations, envelope metering is where the bill explodes.
Envelopes in Sign Sail
Sign Sail uses envelopes as the engine for multi-party and document-first signing, with rosters, ordered or parallel routing, reminders, declines, and expiry, but doesn't price by them. Plans meter monthly submissions (25 free, 1,000 on Pro, 5,000 on Business), an unsigned send never consumes your quota, and a public form link isn't an envelope at all, just a URL anyone can sign.
↗ · Common questions
Does an unsigned envelope count against my quota?
On most envelope-metered platforms, yes: the envelope is consumed when sent, signed or not. On Sign Sail, the meter is completed submissions, so a request nobody signs costs you nothing from your monthly allowance.
What's the difference between sequential and parallel signing?
Sequential (ordered) signing releases the document to each signer only after the previous one finishes, which is right for approvals and countersignatures. Parallel sends to everyone at once, which is faster when order doesn't matter. Sign Sail's Business plan supports both, with reminders and per-recipient tracking.
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See it in a real signature.
Every Sign Sail plan, the free one included, captures this evidence on every signature.