---
title: "Accept an invitation"
method: POST
path: "/identity/business_invites/{group_id}/step_3"
tags: ["identity", "customer-session", "customer-session-public"]
---

# Accept an invitation

`POST /identity/business_invites/{group_id}/step_3`

## 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/identity/business_invites/{group_id}/step_3`
- Auth: none declared

Accept your own invitation using the email-link token and business ID. New members provide their name and password; existing members keep their credentials. Sign in with your own second factor afterward. This does not install session cookies.

## Path parameters

- `group_id` string, required

## Request body

- IdentityInviteStep3Input
  - `first_name` string
  - `last_name` string
  - `password` string
  - `session_token` string

## Response `200`

OK

- IdentityInviteStep3Output
  - `activated` boolean
  - `email` string
  - `group_id` string
  - `individual_id` string
  - `pre_existing` boolean

## Other responses

- `default`: Error response.

## Changes

- **2026-10-29** `e003c8a67b62`: 1 info
  - added the optional property `error/authorization` to the response with the `default` status
- **2026-10-15** `33870379032d`: 3 info
  - api tag `customer-session` added
  - api tag `customer-session-public` added
  - api tag `invites` removed
- **2026-09-01** `f2d9f80610d9`: 1 info
  - added the optional property `error/api_client_id` to the response with the `default` status
- **2026-08-29** `78f4fe30ef9c`: 1 info
  - added the optional property `activated` to the response with the `200` status
- **2026-08-06** `fe2041c5ba86`: 1 warning, 2 info
  - changed the pattern of the `path` request parameter `group_id` from `^grp_[0-9a-hjkmnp-tv-z]{26}$` to `^grp_[0-7][0-9a-hjkmnp-tv-z]{25}$`
  - the `group_id` response's property pattern was changed from `^grp_[0-9a-hjkmnp-tv-z]{26}$` to `^grp_[0-7][0-9a-hjkmnp-tv-z]{25}$` for the status `200`
  - the `individual_id` response's property pattern was changed from `^ind_[0-9a-hjkmnp-tv-z]{26}$` to `^ind_[0-7][0-9a-hjkmnp-tv-z]{25}$` for the status `200`

[Operation history](https://skmtc.dev/stablesea/apis/stable-sea-backend/changes/identity/business_invites/:group_id/step_3/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/6f5456d6453c?raw)