---
title: "Create an embedded signing session (business)"
method: POST
path: "/compliance/esign/envelopes/{id}/signing_sessions"
tags: ["compliance", "esign", "business", "customer-session"]
---

# Create an embedded signing session (business)

`POST /compliance/esign/envelopes/{id}/signing_sessions`

## Request

- Base URL: `https://api.stablesea.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.stablesea.com/compliance/esign/envelopes/{id}/signing_sessions`
- Auth: none declared

Issues a one-time embedded signing session on one of the caller's business's envelopes for the calling member, who must be its signer. The URL is returned once and never stored.

## Path parameters

- `id` string, required

## Response `200`

OK

- EsignSigningSessionView
  - `allowed_origin` string, required
  - `expires_ts` string, date-time, required
  - `protocol` 'postmessage_v1' | 'redirect', required
  - `provider` string, required
  - `url` string, required

## Other responses

- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `409`: Conflict
- `503`: Service Unavailable
- `default`: Error response.

## Changes

- **2026-10-29** `e003c8a67b62`: 6 info
  - added the optional property `error/authorization` to the response with the `401` status
  - added the optional property `error/authorization` to the response with the `403` status
  - added the optional property `error/authorization` to the response with the `404` status
  - added the optional property `error/authorization` to the response with the `409` status
  - …2 more
- **2026-10-16** `d8ab48e744d6`: 1 info
  - api tag `customer-session` added
- **2026-10-07** `fe94c97bbbe7`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/stablesea/apis/stable-sea-backend/changes/compliance/esign/envelopes/:id/signing_sessions/post.md)

---

[API](https://skmtc.dev/stablesea/apis/stable-sea-backend.md) - [All operations](https://skmtc.dev/stablesea/apis/stable-sea-backend/llms.txt) - [OpenAPI document](https://skmtc.dev/stablesea/apis/stable-sea-backend/revisions/772c80d83658?raw)