Build on top of Esig

Personal access tokens unlock envelopes, templates, PowerForms, workspaces, CLM, branding, SSO, and admin. Webhooks notify your systems when agreements move.

REST coverage

/api/envelopes … send, fields, comments
/api/templates · /api/bulk-send
/api/power-forms · /api/workspaces
/api/clm/board · /api/branding · /api/sso
Authorization: Bearer TOKEN

Webhooks

Subscribe to envelope_sent, document_signed, envelope_completed, document_declined, envelope_voided, and expiry notices. Payloads are HMAC-signed with X-Esig-Signature.

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Embedded signing

Open a recipient’s signing URL with ?embed=1 inside your own iframe or portal. Same OTP and field flow as the standalone experience.

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Plan note

API access and webhooks are included on Business Pro and Enterprise (admin-controlled api_access / webhooks features).

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