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What Permissio is

Permissio is the system of record for the envelopes your business needs signed. It is built for engineers first: the API surface is the source of truth, and every UI in the Permissio application is a thin client over the same endpoints you have access to.

The platform handles three durable concerns:

  • Custody. Envelopes and their signed copies are stored, versioned, and retrievable through stable IDs.
  • Identity. Each signer is bound to a verified email address (and, in production, optional stronger identity proofs).
  • Audit. Every state change emits an immutable event that can be streamed to your systems through webhooks or pulled from the events API.

Permissio is not a document editor. You bring a PDF (or generate one from a template), and Permissio routes it through signing.