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POST
/
v1
/
users
/
custom_auth
/
id
Lookup User by Custom Auth ID
curl --request POST \
  --url https://api.privy.io/v1/users/custom_auth/id \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --header 'privy-app-id: <privy-app-id>' \
  --data '
{
  "custom_user_id": "<string>"
}
'
{
  "id": "did:privy:cm3np4u9j001rc8b73seqmqqk",
  "created_at": 1731974895,
  "linked_accounts": [
    {
      "address": "[email protected]",
      "type": "email",
      "first_verified_at": 1674788927,
      "latest_verified_at": 1674788927,
      "verified_at": 1674788927
    },
    {
      "type": "farcaster",
      "fid": 4423,
      "owner_address": "0xE6bFb4137F3A8C069F98cc775f324A84FE45FdFF",
      "username": "payton",
      "display_name": "payton ↑",
      "bio": "engineering at /privy. building pixelpool.xyz, the first Farcaster video client. nyc. 👨‍💻🍎🏳️‍🌈  nf.td/payton",
      "profile_picture": "https://supercast.mypinata.cloud/ipfs/QmNexfCxdnFzWdJqKVgrjd27UGLMexNaw5FXu1XKR3cQF7?filename=IMG_2799.png",
      "profile_picture_url": "https://supercast.mypinata.cloud/ipfs/QmNexfCxdnFzWdJqKVgrjd27UGLMexNaw5FXu1XKR3cQF7?filename=IMG_2799.png",
      "verified_at": 1740678402,
      "first_verified_at": 1740678402,
      "latest_verified_at": 1741194370
    },
    {
      "type": "passkey",
      "credential_id": "Il5vP-3Tm3hNmDVBmDlREgXzIOJnZEaiVnT-XMliXe-BufP9GL1-d3qhozk9IkZwQ_",
      "authenticator_name": "1Password",
      "public_key": "pQECAyYgASFYIKdGwx5XxZ/7CJJzT8d5L6jyLNQdTH7X+rSZdPJ9Ux/QIlggRm4OcJ8F3aB5zYz3T9LxLdDfGpWvYkHgS4A8tPz9CqE=",
      "created_with_browser": "Chrome",
      "created_with_os": "Mac OS",
      "created_with_device": "Macintosh",
      "enrolled_in_mfa": true,
      "verified_at": 1741194420,
      "first_verified_at": 1741194420,
      "latest_verified_at": 1741194420
    }
  ],
  "mfa_methods": [
    {
      "type": "passkey",
      "verified_at": 1741194420
    }
  ],
  "has_accepted_terms": true,
  "is_guest": false
}

Authorizations

​
Authorization
string
header
required

Basic Auth header with your app ID as the username and your app secret as the password.

Headers

​
privy-app-id
string
required

ID of your Privy app.

Body

application/json
​
custom_user_id
string
required

Response

200 - application/json

Object with user data.

A Privy user object.

​
id
string
required
​
linked_accounts
(LinkedAccountEmail · object | LinkedAccountPhone · object | LinkedAccountEthereum · object | LinkedAccountSolana · object | LinkedAccountSmartWallet · object | LinkedAccountEthereumEmbeddedWallet · object | LinkedAccountSolanaEmbeddedWallet · object | LinkedAccountBitcoinSegwitEmbeddedWallet · object | LinkedAccountBitcoinTaprootEmbeddedWallet · object | LinkedAccountCurveSigningEmbeddedWallet · object | LinkedAccountGoogleOauth · object | LinkedAccountTwitterOauth · object | LinkedAccountDiscordOauth · object | LinkedAccountGithubOauth · object | LinkedAccountSpotifyOauth · object | LinkedAccountInstagramOauth · object | LinkedAccountTiktokOauth · object | LinkedAccountLineOauth · object | LinkedAccountTwitchOauth · object | LinkedAccountLinkedInOauth · object | LinkedAccountAppleOauth · object | LinkedAccountCustomOauth · object | LinkedAccountCustomJwt · object | LinkedAccountFarcaster · object | LinkedAccountPasskey · object | LinkedAccountTelegram · object | LinkedAccountCrossApp · object | LinkedAccountAuthorizationKey · object)[]
required

An email account linked to the user.

​
mfa_methods
(SmsMfaMethod · object | TotpMfaMethod · object | PasskeyMfaMethod · object)[]
required

A SMS MFA method.

​
created_at
number
required

Unix timestamp of when the user was created in milliseconds.

​
has_accepted_terms
boolean
required

Indicates if the user has accepted the terms of service.

​
is_guest
boolean
required

Indicates if the user is a guest account user.

​
custom_metadata
CustomMetadata · object

Custom metadata associated with the user.