Login with OTP

Create an OTP session for a user.

POST

/

public

/

v1

/

submit

/

otp_login

Authorizations

API Key

X-Stamp · string · required

Cryptographically signed (stamped) request to be passed in as a header. For more info, see here.

WebAuthn (Passkey)

X-Stamp-WebAuthn · string · required

Cryptographically signed (stamped) request to be passed in as a header. For more info, see here.

Body

type · enum<string> · required

Enum options: ACTIVITY_TYPE_OTP_LOGIN

timestampMs · string · required

Timestamp (in milliseconds) of the request, used to verify liveness of user requests.

organizationId · string · required

Unique identifier for a given Organization.

parameters · object · required

The parameters object containing the specific intent data for this activity.

Show details

parameters.verificationToken

string

required

Signed JWT containing a unique id, expiry, verification type, contact

parameters.publicKey

string

required

Client-side public key generated by the user, which will be conditionally added to org data based on the validity of the verification token

parameters.expirationSeconds

string

Expiration window (in seconds) indicating how long the Session is valid for. If not provided, a default of 15 minutes will be used.

parameters.invalidateExisting

boolean

Invalidate all other previously generated Login API keys

parameters.clientSignature

string

Optional signature associated with the public key passed into the verification step. This must be a hex-encoded ECDSA signature over the verification token. Only required if a public key was provided during the verification step.

Response

A successful response returns the following fields:

activity · object · required

The activity object containing type, intent, and result

Show activity details

activity.id

string

required

Unique identifier for a given Activity object.

activity.organizationId

string

required

Unique identifier for a given Organization.

activity.status

string

required

The activity status

activity.type

string

required

The activity type

activity.intent

object

required

The intent of the activity

Show intent details

activity.intent.otpLoginIntent

object

required

The otpLoginIntent object

Show otpLoginIntent details

activity.intent.otpLoginIntent.verificationToken

string

required

Signed JWT containing a unique id, expiry, verification type, contact

activity.intent.otpLoginIntent.publicKey

string

required

Client-side public key generated by the user, which will be conditionally added to org data based on the validity of the verification token

activity.intent.otpLoginIntent.expirationSeconds

string

Expiration window (in seconds) indicating how long the Session is valid for. If not provided, a default of 15 minutes will be used.

activity.intent.otpLoginIntent.invalidateExisting

boolean

Invalidate all other previously generated Login API keys

activity.intent.otpLoginIntent.clientSignature

string

Optional signature associated with the public key passed into the verification step. This must be a hex-encoded ECDSA signature over the verification token. Only required if a public key was provided during the verification step.

activity.result

object

required

The result of the activity

Show result details

activity.result.otpLoginResult

object

required

The otpLoginResult object

Show otpLoginResult details

activity.result.otpLoginResult.session

string

required

Signed JWT containing an expiry, public key, session type, user id, and organization id

activity.votes

array

required

A list of objects representing a particular User’s approval or rejection of a Consensus request, including all relevant metadata.

activity.fingerprint

string

required

An artifact verifying a User’s action.

activity.canApprove

boolean

required

Whether the activity can be approved.

activity.canReject

boolean

required

Whether the activity can be rejected.

activity.createdAt

string

required

The creation timestamp.

activity.updatedAt

string

required

The last update timestamp.

cURL

curl --request POST \
  --url https://api.turnkey.com/public/v1/submit/otp_login \
  --header 'Accept: application/json' \
  --header 'Content-Type: application/json' \
  --header "X-Stamp: <string> (see Authorizations)" \
  --data '{
    "type": "ACTIVITY_TYPE_OTP_LOGIN",
    "timestampMs": "<string> (e.g. 1746736509954)",
    "organizationId": "<string> (Your Organization ID)",
    "parameters": {
        "verificationToken": "<string>",
        "publicKey": "<string>",
        "expirationSeconds": "<string>",
        "invalidateExisting": "<boolean>",
        "clientSignature": "<string>"
    }
}'

200

{
  "activity": {
    "id": "<activity-id>",
    "status": "ACTIVITY_STATUS_COMPLETED",
    "type": "ACTIVITY_TYPE_OTP_LOGIN",
    "organizationId": "<organization-id>",
    "timestampMs": "<timestamp> (e.g. 1746736509954)",
    "result": {
      "activity": {
        "id": "<string>",
        "organizationId": "<string>",
        "status": "<string>",
        "type": "<string>",
        "intent": {
          "otpLoginIntent": {
            "verificationToken": "<string>",
            "publicKey": "<string>",
            "expirationSeconds": "<string>",
            "invalidateExisting": "<boolean>",
            "clientSignature": "<string>"
          }
        },
        "result": {
          "otpLoginResult": {
            "session": "<string>"
          }
        },
        "votes": "<array>",
        "fingerprint": "<string>",
        "canApprove": "<boolean>",
        "canReject": "<boolean>",
        "createdAt": "<string>",
        "updatedAt": "<string>"
      }
    }
  }
}