Skip to main content
POST
Relay a client-signed transaction

Authorizations

Authorization
string
header
required

An API key (hk_live_… / hk_test_…) with read/taker/maker scopes.

Headers

Idempotency-Key
string

Client-chosen unique key; retries with the same key replay the first response (24h).

Body

application/json
chain
enum<string>
required
Available options:
evm,
tron,
bitcoin,
solana
signed
any
required

evm: 0x raw transaction hex · tron: the signed transaction object · bitcoin: raw hex, or { psbtBase64, signaturesHex[], preimageHex? } · solana: the signed transaction, base64

Response

ok

txid
string