---
title: Transaction Relay
icon: Forward
---

import Balance from '../../components/Balance'

Omnid's Transaction Relay, relays Login and Membership proofs on-chain for a gasless user experience.
It focuses on transction privacy by dropping any Privately Identifiable Information like origin IP etc, uses private Mempools and super-fast transaction inclusion.

### Relay Details

- **Optimism Sepolia**
  - Wallet : [`0xBded25d1C7B2aD66127a428403B7a1d00Ec88c48`](https://sepolia-optimism.etherscan.io/address/0xBded25d1C7B2aD66127a428403B7a1d00Ec88c48)
  - Balance : <Balance network="op" address="0xBded25d1C7B2aD66127a428403B7a1d00Ec88c48" />

- **Arbitrum Sepolia**
  - Wallet : [`0xBded25d1C7B2aD66127a428403B7a1d00Ec88c48`](https://sepolia.arbiscan.io/address/0xBded25d1C7B2aD66127a428403B7a1d00Ec88c48)
  - Balance : <Balance network="arb" address="0xBded25d1C7B2aD66127a428403B7a1d00Ec88c48" />

## API Integration

Send a `POST` request to `https://alchemy.omnid.io/relay/login`

Example Body,
```json
{
    "proof": [
        "16542621509410053127180387595858590984069811549341034937997775421926834748020",
        "20702256844640518841411526839603115720618751986459966057588068773690912905714",
        "21811687962243789867810552422514798867905366303789368233601883705941622297142",
        "7768624353157223849366228342281427754848881229957073051831197309450597677814",
        "12180626064816181864527099324259146365047484523276645341551866903820338222938",
        "19296035482436430695655967539447488884387331622027256005181332896174520709126",
        "9270672781696211451602553041916807236621435485560976127236250211460439091332",
        "13971011189193993844603405040627665795133383452032176546235959148967822825566"
    ],
    "publicSignals": [
        "20863566422097840723875850637863141710309762677874301494587303648930032009190",
        "11988898704341589615651194483646701367638832472705883623925289677484196905814",
        "21314750377587299243560398691338153649122129395319388938814883722875975462",
        "187035976211163640032000461805755068405187575174480755232212391996596767257"
    ]
}
```

[SDK Integration](/nodejs#relayproof)