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POST
Step 3 Create passkeys (OTP auth)

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