---
title: "Assign an authorized account"
method: POST
path: "/ais/{aiId}/connections/{connectionId}/assignments"
tags: ["Connections"]
---

# Assign an authorized account

`POST /ais/{aiId}/connections/{connectionId}/assignments`

## Request

- Base URL: `https://api.darwin.so/api/v1`
- URL: `https://api.darwin.so/api/v1/ais/{aiId}/connections/{connectionId}/assignments`
- Auth: one of:
  - API key in header `x-api-key`
  - HTTP bearer

Owner user credentials only. Assigns a sanitized provider authorization to one AI, Listing, or transaction without exposing credentials. Request-only assignments must expire within 24 hours; saved assignments require explicit consent.

## Path parameters

- `aiId` string, required
- `connectionId` string, required

## Request body

- CreateConnectionAssignmentRequest
  - `targetKind` 'AI' | 'LISTING' | 'TRANSACTION', required
  - `targetId` string, required
  - `retention` 'REQUEST_ONLY' | 'SAVED_WITH_CONSENT', required
  - `scopes` string[], required
  - `expiresAt` string, date-time
  - `consented` boolean: Must be true for SAVED_WITH_CONSENT after the user completes Darwin-hosted consent.

## Response `201`

The scoped account assignment.

- object
  - `assignment` ConnectionAssignment, required
    - `id` string, required
    - `targetKind` 'AI' | 'LISTING' | 'TRANSACTION', required
    - `targetId` string, required
    - `retentionMode` 'REQUEST_ONLY' | 'SAVED_WITH_CONSENT', required
    - `scopes` string[], required
    - `status` 'ACTIVE' | 'CONSUMED' | 'REVOKED', required
    - `consentedAt` string, date-time, nullable
    - `expiresAt` string, date-time, nullable
    - `consumedAt` string, date-time, nullable
    - `revokedAt` string, date-time, nullable
    - `createdAt` string, date-time
    - `updatedAt` string, date-time

## Other responses

- `400`: The request was invalid.
- `401`: The API key or access token is missing, invalid, expired, or revoked.
- `403`: The principal does not have the required scope or resource access.
- `404`: The resource was not found for this principal.

---

[API](https://skmtc.dev/darwin/apis/darwin-api.md) · [All operations](https://skmtc.dev/darwin/apis/darwin-api/llms.txt) · [OpenAPI document](https://skmtc.dev/darwin/apis/darwin-api/revisions/56166fce7bfb?raw)