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POST
/
sdk
/
{environmentId}
/
businessAccounts
/
linkWallet
SDK — add an existing wallet to a business account
curl --request POST \
  --url https://app.dynamicauth.com/api/v0/sdk/{environmentId}/businessAccounts/linkWallet \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "walletId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "businessAccountId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'
{
  "id": "95b11417-f18f-457f-8804-68e361f9164f",
  "projectEnvironmentId": "95b11417-f18f-457f-8804-68e361f9164f",
  "members": [
    {
      "id": "95b11417-f18f-457f-8804-68e361f9164f",
      "businessAccountId": "95b11417-f18f-457f-8804-68e361f9164f",
      "userId": "95b11417-f18f-457f-8804-68e361f9164f",
      "addedByUserId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "createdAt": "2023-11-07T05:31:56Z"
    }
  ],
  "signers": [
    {
      "id": "95b11417-f18f-457f-8804-68e361f9164f",
      "businessAccountId": "95b11417-f18f-457f-8804-68e361f9164f",
      "walletId": "95b11417-f18f-457f-8804-68e361f9164f",
      "userId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "shareSetId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "derivedFromUserId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "apiKeyIdentityRef": "<string>",
      "expiresAt": "2023-11-07T05:31:56Z",
      "revokedAt": "2023-11-07T05:31:56Z",
      "createdAt": "2023-11-07T05:31:56Z"
    }
  ],
  "name": "<string>",
  "externalRef": "<string>",
  "metadata": {},
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "wallets": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "publicKey": "<string>",
      "createdAt": "2023-11-07T05:31:56Z"
    }
  ]
}

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Path Parameters

​
environmentId
string
required

ID of the environment

Required string length: 36
Pattern: ^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$
Example:

"95b11417-f18f-457f-8804-68e361f9164f"

Body

application/json
​
walletId
string<uuid>
required

The existing wallet (Wallets.id) to add.

​
businessAccountId
string<uuid>

Target business account. Omit to find-or-create the per-wallet business account.

Response

Business account with embedded members, signers, and wallets

SDK-side business account response with embedded members, signers, and wallets. Origin 2 callers (low member count) get everything in one fetch; if a business account ever needs pagination we add a separate paginated list endpoint without changing this shape.

​
id
string
required
Required string length: 36
Pattern: ^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$
Example:

"95b11417-f18f-457f-8804-68e361f9164f"

​
projectEnvironmentId
string
required
Required string length: 36
Pattern: ^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$
Example:

"95b11417-f18f-457f-8804-68e361f9164f"

​
members
object[]
required
​
signers
object[]
required
​
name
string | null
Maximum string length: 255
​
externalRef
string | null

Developer-supplied stable ID inside the env

Maximum string length: 255
​
metadata
object
​
createdAt
string<date-time>
​
updatedAt
string<date-time>
​
wallets
object[]

Wallets bound to this business account via Wallets.business_account_id. Superset of signers[].walletId — a wallet exists before any signer row is minted on it (staged-then-resolved lifecycle).

Last modified on July 7, 2026