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POST
/
v1
/
submit
/
create-authenticators-otp
Create authenticators (passkeys) for a user (OTP auth).
curl --request POST \
  --url https://api.example.com/v1/submit/create-authenticators-otp \
  --header 'Content-Type: application/json' \
  --header 'X-Pubkey: <x-pubkey>' \
  --header 'X-Pubkey, X-Timestamp, X-Signature: <api-key>' \
  --header 'X-Signature: <x-signature>' \
  --header 'X-Timestamp: <x-timestamp>' \
  --data '
{
  "sessionId": "550e8400-e29b-41d4-a716-446655440000",
  "accountId": "550e8400-e29b-41d4-a716-446655440000",
  "userId": "550e8400-e29b-41d4-a716-446655440000",
  "authenticators": [
    {
      "authenticatorName": "<string>",
      "challenge": "<string>",
      "attestation": {
        "credentialId": "<string>",
        "clientDataJson": "<string>",
        "attestationObject": "<string>",
        "transports": [
          "AUTHENTICATOR_TRANSPORT_BLE"
        ]
      }
    }
  ]
}
'
{
  "authenticatorIds": [
    "<string>"
  ]
}

Authorizations

​
X-Pubkey, X-Timestamp, X-Signature
string
header
required

Headers

​
X-Pubkey
string
required

Integrator's ECDSA public key (P-256 curve, compressed SEC1 format). Example: 0x038fedef7c12f93bbf342ad8943b7a825a3b41f61c9dc118b2c718efebabbf62fd

​
X-Timestamp
string
required

Unix timestamp in seconds (UTC). Must be within tolerance window (1 minute) to prevent replay attacks. Example: 1760375826

​
X-Signature
string
required

ECDSA signature (DER-encoded, hex with 0x prefix). Signs the message: {timestamp}{METHOD}{path_and_query}{json_body}. Example: 0x3045022100...

Body

application/json

Create authenticators using OTP session

Request to create authenticators (passkeys) using an OTP session

​
sessionId
string<uuid>
required

A UUID string

Example:

"550e8400-e29b-41d4-a716-446655440000"

​
accountId
string<uuid>
required

A UUID string

Example:

"550e8400-e29b-41d4-a716-446655440000"

​
userId
string<uuid>
required

A UUID string

Example:

"550e8400-e29b-41d4-a716-446655440000"

​
authenticators
object[]
required

List of authenticators (passkeys) to create

Response

Authenticators created successfully

Response from creating authenticators (passkeys)

​
authenticatorIds
string[]
required

List of created authenticator IDs