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POST
/
api
/
v1
/
auth
/
accounts
Create account
curl --request POST \
  --url https://staging.zerolatencylabs.com/api/v1/auth/accounts \
  --header 'Content-Type: application/json' \
  --data '
{
  "payload": "AQABAAAAAAB4m2tQz9KvX1Yk2mN3oQ4rS5tU6vW7xZ8aB9cD0eF1gH2iJ3kL5mN7oP9qR1sT3uV5wX7yZ9a=",
  "public_key": "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8=",
  "signature": "AAcOFRwjKjE4P0ZNVFtiaXB3foWMk5qhqK+2vcTL0tng5+71/AMKERgfJi00O0JJUFdeZWxzeoGIj5adpKuyuQ=="
}
'
{
  "message": "Account and session created successfully",
  "session_created": true,
  "success": true,
  "account_id": 12345
}

Body

application/json

Signed write request from a master key. The JSON body is a Base64SignedPayload (Secp256k1) or a PasskeySignedPayload (passkey — adds WebAuthn authenticator_data, client_data_json, and credential_id, with public_key optional); the wire signature_type selects which. The base64 payload is identical in both and decodes to the binary layout [Header(8) || RequestId(16) || Body || Auth] — see spec/signing.md. The decoded Body is:

  • CreateSecp256k1Account when Header.request_type = create_secp256k1_account (15).
  • CreatePasskeyAccount when Header.request_type = create_passkey_account (18).

JSON envelope for a signed request: the base64-encoded canonical payload plus the base64 signature and public_key of the signing credential. Session-key (Ed25519) endpoints accept exactly these fields; master-key (Secp256k1 / Passkey) endpoints sign the same payload and may carry additional signature material. Endpoints also accept the equivalent application/octet-stream binary frame.

​
payload
string
required

Base64-encoded bytes of the canonical request payload.

Example:

"AQABAAAAAAB4m2tQz9KvX1Yk2mN3oQ4rS5tU6vW7xZ8aB9cD0eF1gH2iJ3kL5mN7oP9qR1sT3uV5wX7yZ9a="

​
public_key
string
required

Base64-encoded public key of the signing credential.

Example:

"AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8="

​
signature
string
required

Base64-encoded signature over the payload.

Example:

"AAcOFRwjKjE4P0ZNVFtiaXB3foWMk5qhqK+2vcTL0tng5+71/AMKERgfJi00O0JJUFdeZWxzeoGIj5adpKuyuQ=="

Response

Account creation processed; inspect success/session_created

Response for account creation.

​
message
string
required
Example:

"Account and session created successfully"

​
session_created
boolean
required
Example:

true

​
success
boolean
required
Example:

true

​
account_id
integer<int64> | null
Required range: x >= 0
Example:

12345